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If you own a 2010-2017 Chevrolet Equinox, a failing oxygen sensor can cause rough idling, reduced fuel economy, and an illuminated check engine light. Choosing the right oxygen sensor replacement matters because fitment and sensor response directly affect engine management and emissions control on these model years.This guide shortlists seven top oxygen sensors compatible with the 2010-2017 Equinox and explains how we evaluated fit, wiring/pigtail compatibility, and signal reliability. Read on for practical buying guidance and straightforward installation considerations before you pick a replacement.
Looking for other parts? See all Chevrolet Equinox parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | TRQ 4-Piece O2 Oxygen Sensor Set (OSA60242) |  |
| Best Quality Built to a higher standard if you want something more solid | GM Genuine Parts 12634061 Heated Oxygen Sensor |  |
| Best Value The sweet spot between price and what you get | higherbro 4-Pack Oxygen O2 Sensor Set for 2010–2017 Chevrolet Equinox 3.0L/3.6L |  |
| Best Budget The cheapest option that still gets the job done reliably | Marketplace Auto Parts Downstream Oxygen Sensor for 2010–2017 Chevy Equinox |  |
| Highest Rated A top-rated pick with lots of positive feedback | Denso 234-4673 Oxygen Sensor (Air and Fuel Ratio Sensor) |  |
| Most Popular A crowd favorite that many people choose with confidence | Sangyue Oxygen O2 Sensor Kit (Upstream + Downstream) for 2010–2014 2.4L Equinox/Terrain (2-piece) |  |
| Best Seller A high-volume bestseller chosen again and again | A-Premium 4-Pack Heated Oxygen Sensors Compatible with 2010-2017 Chevrolet Equinox (Upstream and Downstream) |  |
1. TRQ 4-Piece O2 Oxygen Sensor Set (OSA60242)
| Maximum Supply Voltage | 12 Volts (DC) |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | Digital |
| Upper Temperature Rating | 2192 Degrees Fahrenheit |
| Included Components | 2 Downstream O2 Oxygen Sensors, 2 Upstream O2 Oxygen Sensors |
This TRQ four-piece oxygen sensor set supplies two upstream and two downstream sensors designed as direct replacements for the listed 3.0L and 3.6L V6 GM applications. Installation is aimed at DIYers and repair shops; the sensors arrive pre-assembled for flange mounting and plug into existing wiring harnesses without modification. TRQ highlights corrosion-resistant alloy steel construction and a high upper temperature rating, which suggests durability in exhaust environments, and the set is pre-calibrated to restore air/fuel feedback for improved fuel economy and emissions control. Practical benefits include replacing all four sensors at once to clear long-term fuel-trim issues and avoid repeat labor. Limitations are that this is a vehicle-specific kit, so fitment must be confirmed for your Equinox year and engine, and returns may be restricted once electrical parts are installed. Customers should also verify connector compatibility before purchase to avoid surprises during installation.
Best for: Buyers who want a balanced, no-frills replacement that addresses all four O2 sensors in one service visit and value direct-fit components that make DIY installation straightforward.
Less Ideal for: Drivers who need a universal sensor solution for multiple makes or who require OEM-branded sensors for warranty or dealer compliance should look elsewhere.
- Complete kit includes both upstream and downstream sensors so all points are addressed at once
- Designed for direct-fit flange mounting to avoid modifications
- High upper temperature rating and stainless construction for better resistance to exhaust conditions
- Pre-calibrated digital output to restore proper air/fuel feedback and emissions control
- Compatibility is limited to specific V6 GM engines and years so fitment must be checked carefully
Verdict: If you need a practical, all-in-one replacement for the four oxygen sensors on compatible 2010–2017 Equinox/Terrain V6 applications, this TRQ kit delivers direct-fit, pre-calibrated sensors for straightforward DIY or shop installation.
2. GM Genuine Parts 12634061 Heated Oxygen Sensor
| Maximum Supply Voltage | 12 Volts (DC) |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | Push-Pull |
| Upper Temperature Rating | 500 Degrees Fahrenheit |
This GM Genuine Parts heated oxygen sensor is a direct-fit replacement designed to restore accurate oxygen readings to the exhaust system. It bolts in using a flange mount and provides a push-pull output so the engine control module can adjust fuel trim for performance, emissions, and fuel economy. Typical use is as a factory-quality replacement when a check engine light or poor fuel economy indicates a failing O2 sensor, or as preventive maintenance between 60,000 and 100,000 miles. Notable features include a stainless steel construction rated to 500 degrees Fahrenheit and GM/ACDelco OE engineering for precise fit and integration with factory engine management. In real-world driving that means faster, more reliable air-fuel corrections and reduced risk of failed emissions tests. The unit is a basic sensor without added performance calibrations, so tuners or users seeking altered fueling behavior will still need aftermarket controllers or custom tuning to change engine parameters.
Best for: Buyers who want a reliable, factory-compatible replacement to restore proper emissions control and fuel trims on 2010–2017 Chevrolet Equinox models and prioritize drivability and stock performance.
Less Ideal for: Drivers planning on wideband tuning, custom fueling maps, or motorsport use should choose a dedicated performance or wideband sensor instead.
- Factory-quality fit and function engineered for GM vehicles
- Stainless steel build and 500°F upper temperature rating for durability
- Heated sensor element for faster warm-up and accurate readings at idle
- Push-pull output compatible with factory engine control modules
- No performance-tuned calibration or wideband output for aftermarket tuning
Verdict: Choose this GM Genuine heated oxygen sensor if you want a factory-quality, direct-fit replacement to restore accurate air-fuel control on a 2010–2017 Chevrolet Equinox.
3. higherbro 4-Pack Oxygen O2 Sensor Set for 2010–2017 Chevrolet Equinox 3.0L/3.6L
| Measurement Accuracy | High |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | Digital |
| Upper Temperature Rating | 2500 Degrees Fahrenheit |
This four-pack of higherbro oxygen sensors supplies both upstream and downstream fittings to replace the factory sensors on 2010–2017 Equinox models with 3.0L and 3.6L engines. The sensors use a digital output and are made from stainless steel and aluminum with a high temperature rating, so they are built to withstand exhaust heat and provide consistent feedback to the engine control system. Typical use is straightforward: swap the faulty upstream and downstream sensors to restore proper air-fuel readings and resolve check-engine codes related to oxygen sensing. The inclusion of four sensors covers both banks and helps avoid repeat purchases. Practical benefits include OEM-style mounting and a one-year quality guarantee that offers short-term protection. Limitations are that compatibility is specific to certain model years and engine sizes so you must confirm fitment, and the one-year coverage is shorter than some aftermarket warranties.
Best for: Buyers who want a practical, all-in-one replacement to fix oxygen-sensor related codes and restore proper fuel trim on a 2010–2017 Equinox with a 3.0L or 3.6L engine.
Less Ideal for: Drivers who prefer extended aftermarket warranties or need sensors for other engine sizes or different vehicle models should look elsewhere.
- Includes four sensors to replace both upstream and downstream positions in one purchase
- Digital output design provides consistent electronic signal to the engine control unit
- Stainless steel and aluminum construction with high temperature rating for durability
- Fits the specified Equinox 3.0L and 3.6L model years, reducing risk of mixed-fit purchases
- Compatibility limited to specific model years and engine sizes so fit must be confirmed
Verdict: A convenient four-sensor replacement kit that restores oxygen sensing for 2010–2017 Equinox 3.0L/3.6L engines so you can fix codes and get fuel trim back to normal in one purchase.
4. Marketplace Auto Parts Downstream Oxygen Sensor for 2010–2017 Chevy Equinox
| Mounting Type | Flange Mount |
|---|---|
| Output Type | NPN, PNP, Push-Pull |
| Material Type | Stainless Steel, Ceramic, Silicon |
| Specific Uses For Product | Vehicle emission control and monitoring |
This downstream oxygen sensor replaces the factory unit on 2.4L Chevrolet Equinox engines and restores the vehicle's ability to monitor exhaust oxygen for proper fuel trim and emissions control. It mounts with a flange and supports NPN, PNP, and push-pull signal outputs so it can interface with the vehicle wiring on the listed Equinox engine variants. The sensor uses stainless steel with ceramic and silicon sensing elements, which is typical for durable aftermarket oxygen sensors. For everyday use it will clear OBD-II downstream oxygen faults, help the engine computer adjust fuel trims, and maintain emissions system function. Installation is a straightforward vehicle-side swap but may require an oxygen sensor socket and basic hand tools. As a budget replacement, it provides a direct-fit option for owners who need a working downstream sensor without paying for a dealer part, though long-term durability and exact match to factory calibration can vary compared with higher-end branded sensors.
Best for: Buyers seeking a low-cost, direct-replacement downstream oxygen sensor to restore emissions monitoring on a 2010–2017 Equinox 2.4L and avoid dealer-level expense.
Less Ideal for: Drivers who prioritize factory-calibrated performance or long-term OEM-level longevity should consider higher-end branded sensors or dealer replacements.
- Direct-fit for 2010–2017 Chevy Equinox 2.4L downstream sensor locations
- Supports multiple output types (NPN, PNP, push-pull) for broad vehicle compatibility
- Stainless steel and ceramic construction typical of durable oxygen sensors
- Restores emission monitoring and helps clear downstream OBD-II faults
- Aftermarket unit with limited information on long-term durability compared with premium brands
Verdict: A budget-friendly downstream replacement that restores emissions monitoring on 2010–2017 Equinox 2.4L models without the premium price of branded units.
5. Denso 234-4673 Oxygen Sensor (Air and Fuel Ratio Sensor)
| Measurement Accuracy | ±1.5% |
|---|---|
| Measuring Range | 0 to 20% oxygen |
| Mounting Type | Flange Mount |
| Output Type | Push-Pull |
| Material Type | Stainless Steel |
This Denso 234-4673 oxygen sensor measures oxygen in the exhaust to help the engine control system maintain the correct air-fuel ratio. It installs at the flange mount and uses a push-pull output that pairs with standard vehicle wiring harnesses, so replacement is straightforward for a typical under-hood or underbody sensor swap. The sensor is constructed from stainless steel and includes protective layers and a PTFE filter that help resist contamination and extend service life, while the listed ±1.5% measurement accuracy and 0 to 20% oxygen measuring range indicate reliable feedback for fuel trim and emissions control. Practical benefits include improved combustion control and reduced risk of long-term sensor-related drivability or emissions issues compared with worn sensors. Limitations are that fitment must be confirmed for the Equinox model years and bank/location required, and this is a direct sensor component rather than a plug-and-play harness or bracket kit, so minor installation adjustments may be needed on some vehicles.
Best for: Buyers who prioritize long-term reliability and a factory-style replacement to restore proper emissions and fuel control on a 2010–2017 Equinox should consider this sensor.
Less Ideal for: If you need a full harness, universal sensor kit, or an aftermarket performance-tuned sensor, this direct replacement unit is not the best choice.
- Manufactured to factory-quality standards for consistent fit and function.
- Specified measurement accuracy of ±1.5% for dependable air-fuel feedback.
- Stainless steel construction with multiple protective layers for durability.
- Flange mount and standard output type simplify installation for common replacement jobs.
- Fitment is vehicle- and bank-specific so you must confirm correct application before purchase.
Verdict: Choose this Denso sensor when you want a reliable, factory-quality replacement to restore correct air-fuel monitoring on a 2010–2017 Equinox.
6. Sangyue Oxygen O2 Sensor Kit (Upstream + Downstream) for 2010–2014 2.4L Equinox/Terrain (2-piece)
| Mounting Type | Flange Mount |
|---|---|
| Output Type | Electrical Signal |
| Specific Uses For Product | vehicle emission control, car maintenance |
| Upper Temperature Rating | 1000 Degrees Celsius |
This Sangyue kit supplies both the upstream and downstream oxygen sensors needed when replacing failed sensors on 2.4L Equinox and Terrain engines. The sensors use flange mounting and provide electrical signal output for the vehicle engine control module, so they function like standard replacement sensors to restore correct air-fuel readings and emissions performance. Made from aluminum and stainless steel with a high heat rating, the pair is intended for direct-fit installation and arrives as two sensors plus connector boots so you can replace both positions at once rather than swapping one at a time. Practical benefits include fixing common O2-related fault codes, improving fuel trim response, and reducing emissions when the original sensors age. Limitations are that this is an aftermarket reverse-engineered product rather than a factory supplier part and buyers should confirm engine bank and position before ordering to ensure proper fitment and avoid returns.
Best for: Buyers who want a complete, budget-friendly replacement pair to restore emissions control and fuel trim on a 2.4L Equinox or Terrain and who prioritize community-verified performance over OEM branding.
Less Ideal for: Drivers seeking guaranteed factory-supplier components or those unwilling to verify exact bank/position before purchase should consider factory-quality alternatives.
- Includes both upstream and downstream sensors for complete replacement
- Flange-mount design for direct installation on compatible 2.4L engines
- High temperature rating (up to 1000°C) and stainless steel construction for durability
- Saves time by replacing both sensors in one service event
- Aftermarket reverse-engineered unit rather than a factory supplier part
Verdict: A ready-to-install two-sensor kit that fixes O2-related drivability and emissions issues on 2.4L Equinox/Terrain models while offering a budget-conscious aftermarket alternative.
7. A-Premium 4-Pack Heated Oxygen Sensors Compatible with 2010-2017 Chevrolet Equinox (Upstream and Downstream)
| Mounting Type | Threaded |
|---|---|
| Sensor Type | Heated |
| Wire Quantity | 4 |
| Package Quantity | 4x Oxygen Sensor |
This four-piece A-Premium oxygen sensor kit replaces both upstream and downstream sensors on applicable 2010-2017 Equinox V6 applications and similar GM models. Each sensor is a threaded, heated design with a four-wire connector intended to provide direct monitoring of exhaust oxygen for the engine control system. In practical use the set lets you change all required sensors at once, which is handy if multiple sensors show age-related drift or trigger check-engine codes. The sensors come with factory-style threaded mounts and male connectors so installation follows factory wiring and mounting locations on compatible vehicles. A one-year unlimited-mileage guarantee provides extra reassurance for buyers who want lower risk. Expect typical replacement-sensor limits such as variation from factory sensors in long-term durability and sensor calibration; have codes cleared and verify fit before installation.
Best for: A cautious buyer who wants a complete, like-for-like replacement set to restore proper oxygen sensing and clear check-engine codes on covered 2010-2017 Equinox V6 vehicles with minimal guesswork.
Less Ideal for: Someone who prefers original factory parts from the vehicle maker or who only needs a single sensor rather than a full four-piece kit.
- Four-sensor kit replaces both upstream and downstream positions so you can service the whole bank at once
- Heated design and four-wire connector match factory-style sensor functionality for quick closed-loop operation
- Threaded mount and male connector fit factory mounting locations and wiring on listed GM vehicles
- Includes a one-year unlimited-mileage guarantee for added buyer protection
- Aftermarket sensors can show variation in long-term durability and calibration compared with factory-original units
Verdict: Buy this kit if you want a complete, factory-style heated oxygen sensor replacement set that lets you swap all upstream and downstream sensors on covered 2010-2017 Equinox V6 vehicles in one job.
Choosing the Right 2010-2017 Chevrolet Equinox Oxygen Sensor: Key Factors to Consider
Fitment and Connector Compatibility
Correct fitment ensures the replacement sensor threads into the exhaust bung without cross-threading and that the electrical connector matches the Equinox harness. Many 2010-2017 Equinox engines have specific sensor positions and heater circuit pinouts, so a sensor that matches the factory connector avoids splicing and reduces installation time.
Mismatched connectors or incorrect thread sizes can lead to exhaust leaks or unreliable electrical contacts. Always confirm the sensor is specified for the Equinox year range and the correct bank and position to prevent fitment problems that could trigger diagnostic trouble codes.
Heater Circuit Function
Heated oxygen sensors have an internal heater to bring the sensor up to operating temperature quickly. For the Equinox, a functioning heater shortens the time spent in open-loop operation after cold start, improving emissions and drivability. A replacement with a reliable heater circuit reduces warm-up time and helps the engine control module reach closed-loop fueling sooner.
If the heater element fails or has high resistance, you may see heater-related codes and delayed feedback from the sensor. Verify that the replacement provides the same heater configuration as the factory part to maintain correct electrical loads and thermal behavior.
Signal Response and Accuracy
Oxygen sensors must provide timely and accurate voltage or current changes to reflect exhaust oxygen content. For the Equinox, fast response helps the ECU make precise fuel trim adjustments, which affects idle quality, throttle response, and fuel economy. Sensors with sluggish or noisy signals can cause oscillating fuel trims and persistent check engine lights.
Look for replacements with proven sensor element designs and stable output characteristics. While bench test data is rarely provided on packaging, manufacturer-specified response times and claims about improved sensing materials are useful indicators of signal quality.
Durability and Heat Resistance
Exhaust environments reach high temperatures and expose sensors to contaminants. A durable sensor for the Equinox should use robust sensing elements and protective housings to resist thermal cycling, soot buildup, and vibration. Corrosion-resistant thread coatings and sturdy wiring insulation also extend service life.
Durability affects long-term maintenance costs and reliability. A cheaper sensor that fails sooner may leave you replacing parts more often and risking driveability problems between changes.
Positioning: Upstream Vs Downstream
The Equinox uses upstream (pre-catalyst) and downstream (post-catalyst) sensors for different control tasks. Upstream sensors primarily guide air/fuel ratio adjustments, so they typically need faster response and higher accuracy. Downstream sensors monitor catalytic converter performance and often require stable long-term output to detect degradation.
When selecting a replacement, ensure the sensor is specified for its intended position. Using an upstream-type sensor downstream or vice versa can produce improper feedback and diagnostic issues.
Installation and Serviceability
Installation ease matters if you plan to replace the sensor yourself. For the Equinox, accessibility of the sensor bung, required socket sizes, and whether the replacement includes a new gasket or anti-seize affect the job time. Correct torque and avoiding contamination of the sensing tip are important for proper operation.
Sensors that match factory dimensions and include clear instructions or necessary hardware reduce the chance of installation errors. Consider whether you have the tools and access to perform the swap comfortably or if professional installation is preferred.
Understanding Sensor Locations on the Equinox
The 2010-2017 Chevrolet Equinox uses specific upstream and downstream oxygen sensor positions that serve different functions. Knowing which bank and sensor position is affected helps you order the correct replacement and diagnose faults accurately.
Upstream sensors affect real-time fuel control while downstream sensors are primarily monitoring catalytic converter efficiency. Confirming the exact position tied to a diagnostic trouble code will avoid replacing the wrong sensor and save time.
- Bank and sensor numbering correspond to the engine layout and cylinder banks.
- Codes referencing bank 1 sensor 1 indicate the primary upstream sensor on the first bank.
- Downstream sensor codes typically point to catalyst monitoring rather than fuel trim control.
Common Symptoms and Diagnosing O2 Sensor Issues
Symptoms commonly attributed to oxygen sensor trouble on the Equinox include a persistent check engine light, poor fuel economy, rough idle, and increased emissions. Some of these symptoms overlap with other engine issues, so accurate diagnosis is important.
Use diagnostic trouble codes, live data, and heater circuit checks to narrow down the cause. Monitoring short-term and long-term fuel trim numbers while watching the sensor voltage or UEGO reading reveals whether the sensor is cycling correctly.
- Look for erratic voltage swings or a sensor that sits at a fixed value.
- Heater circuit-related codes suggest the sensor cannot reach operating temperature.
- Compare fuel trim behavior before and after replacing the sensor to confirm resolution.
How to Test an Oxygen Sensor on the Equinox
Basic testing uses a scan tool to view live sensor output and heater status. For upstream sensors, you should see rapid switching in voltage for narrowband types or changing current/voltage for wideband units during varied engine load.
If a scan tool is not available, a multimeter can check heater circuit continuity and approximate signal behavior, but it will not provide the full dynamic picture. Always follow safe practices when probing near the exhaust and work with a cool engine when possible.
- Check heater resistance against the specification to verify the circuit.
- Observe the sensor output during a snap throttle and steady cruise to see response changes.
- Record baseline readings before removal to compare with a replacement.
Installation Tips for a Smooth Sensor Swap
Prepare the vehicle by allowing the exhaust to cool and using proper safety stands if you need to get under the car. Apply anti-seize only where manufacturer guidance permits and avoid contaminating the sensing tip with grease or thread sealants.
Use the correct oxygen sensor socket or crowfoot to avoid damaging the harness. Tighten the sensor to the correct torque and ensure the wiring harness is routed away from hot components to prevent premature insulation failure.
- Disconnect the battery briefly if the vehicle recommends it before electrical work.
- Replace mounting grommets or heat shields if they show wear to maintain proper position and protection.
- Clear related codes and perform a short drive cycle to confirm the ECM accepts the new sensor readings.
When the Check Engine Light Points to an Oxygen Sensor
Check engine light codes mentioning oxygen sensors can range from heater circuit faults to sensor response and catalytic converter efficiency problems. Interpreting these codes in the context of sensor data and vehicle behavior prevents unnecessary part swaps.
If the code references an oxygen sensor, validate the sensor output and heater function before replacement. Sometimes wiring issues, exhaust leaks, or unrelated engine problems can produce the same codes, so a methodical diagnostic approach saves time and expense.
- Inspect connectors and wiring for corrosion, chafing, or loose pins.
- Rule out vacuum or exhaust leaks that can skew sensor readings.
- Retest after any repair to ensure the underlying cause was addressed.
Still looking for the perfect fit?
Select your Chevrolet Equinox configuration to see the most relevant Oxygen Sensors recommendations
How We Chose the Best 2010-2017 Chevrolet Equinox Oxygen Sensor
We evaluated candidates for this list using criteria that reflect real-world needs for a 2010-2017 Chevrolet Equinox. Primary considerations included fitment accuracy and connector compatibility so the sensor integrates cleanly with factory wiring and oxygen sensor harnesses. Signal response and electrical stability were assessed because the engine control module depends on consistent voltage or current feedback to adjust air/fuel ratios. Durability factors such as sensor element construction and high-temperature resistance were included to estimate service life under exhaust heat cycles. Emissions compliance and heater circuit integrity were reviewed since many Equinox engines rely on heated oxygen sensors for quick warm-up and reliable closed-loop operation. Finally, ease of installation and availability of OEM-style grommets or threads were considered to limit the need for additional hardware.We excluded items that require vehicle-specific tuning or extensive wiring modifications. Products that did not specify compatibility with the 2010-2017 Equinox or lacked clear wiring/connector detail were also omitted. The final list focuses on replacements that balance straightforward fitment, dependable signal behavior, and long-term durability for typical Equinox usage.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know if my Equinox needs an oxygen sensor replacement?
You may notice a check engine light, worse fuel economy, or rough idle. Use a scan tool to read codes and monitor live sensor output. Heater circuit faults or a sensor that does not switch properly are common indicators.
Can I install an oxygen sensor on the Equinox myself?
Many owners can perform the swap with basic tools and an oxygen sensor socket. Ensure the exhaust is cool, match the connector and threads, and follow torque specs. If access is limited or you lack tools, professional installation is a safe choice.
Should I replace an upstream sensor with a downstream unit or vice versa?
No. Upstream and downstream sensors serve different roles. Use a sensor specified for the correct position to maintain proper ECU feedback and avoid diagnostic problems.
Will a new oxygen sensor clear a persistent O2 sensor code immediately?
Often a correct replacement and clearing codes will resolve the issue, but some codes may require several drive cycles for the ECU to confirm normal operation. If the code returns, further diagnosis of wiring, exhaust leaks, or fuel system issues is needed.
How important is the heater circuit on Equinox oxygen sensors?
It is important because the heater reduces the time the sensor spends below operating temperature, enabling quicker closed-loop fueling. Heater failures commonly trigger specific diagnostic codes and can cause drivability symptoms.
Can a bad oxygen sensor damage the catalytic converter on my Equinox?
A failing upstream sensor that causes rich running for extended periods can contribute to premature catalyst stress. It usually does not directly damage the converter instantly, but untreated fueling problems can increase the risk over time.
Final Verdict
When replacing oxygen sensors on a 2010-2017 Chevrolet Equinox, prioritize correct fitment, heater function, and reliable signal response. Those factors most directly influence fuel control, emissions, and drivability for these model years.Balance durability and installation ease against the expected service life, and confirm the sensor is specified for its upstream or downstream position. Doing so helps you address the underlying issue efficiently and reduces the chance of repeat diagnostics or premature failures.
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