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If your Infiniti FX35 is running hotter than normal or the fan sounds unusually loud, choosing the right cooling fan matters for drivability and engine longevity. The right fan keeps coolant temperatures stable during idling, towing, or heavy traffic, reduces strain on the cooling system, and can cut cabin and engine bay noise. This guide shortlists the top 7 Infiniti FX35 cooling fans that meet practical performance and fitment expectations. We evaluated each option on thermal performance and durability, and present the key points to help you pick the best match. Read on for what we considered and how to approach installation planning.
Looking for other parts? See all Infiniti FX35 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Dorman 620-039 Engine Cooling Fan Assembly |  |
| Most Popular A crowd favorite that many people choose with confidence | Fekuar Dual Radiator and Condenser Fan Assembly (no motors) |  |
| Best Quality Built to a higher standard if you want something more solid | TRQ Dual Radiator & Condenser Fan Assembly (RFA83470) |  |
| Best Budget The cheapest option that still gets the job done reliably | TYG Radiator Cooling Fan Assembly for 2004–2006 Infiniti QX56 V8/5.6L (2-Pin) |  |
| Most Sold A high-volume bestseller chosen again and again | Dorman 621-586 Engine Cooling Fan Assembly |  |
| Best Value for Money The sweet spot between price and what you get | SCITOO Radiator Condenser Cooling Fan Assembly (Dual Fan) |  |
| Best Overall The best all-around choice for most situations | TYG Radiator Cooling Fan Assembly (3-Pin) — Direct Replacement for Infiniti FX35 |  |
1. Dorman 620-039 Engine Cooling Fan Assembly
| Power Connector Type | 6-Pin |
|---|---|
| Voltage | 12 Volts |
| Wattage | 80 watts |
| Maximum Rotational Speed | 3500 RPM |
This Dorman cooling fan assembly is sold as a complete fan unit intended to replace a failed radiator cooling fan. It includes the motor and shroud so installation is typically a drop-in swap for compatible vehicles after transferring or connecting the vehicle harness. The product is described as tested to deliver similar cooling performance to the factory unit and users report strong airflow and quieter operation in practice. Notable hardware details listed are a 12 volt motor, an 80 watt rating and a maximum speed of 3500 RPM with a 6-pin power connector. Practical benefits include getting a ready-to-install assembly that restores A/C and engine cooling without rebuilding the old fan and avoiding dealership lead times. Common limitations noted by installers are that the supplied wiring pigtail or connector routing sometimes needs trimming, zip-tying, or minor modification to fit cleanly, and a few users had to adapt connectors during installation. If purchased for the FX35, verify the connector and fitment before installation and plan for simple wiring tidying during the swap.
Best for: Reliability-focused owners who prioritize restoring dependable engine cooling with a tested replacement unit and prefer a straightforward assembly swap to minimize downtime and repeat visits.
Less Ideal for: Buyers seeking a plug-and-play solution without any wiring work or those who need a unit guaranteed to match a specific OEM connector and routing exactly without modification.
- Complete assembly including motor and shroud for faster replacement
- Engineered to match factory cooling performance according to product testing
- Higher reported airflow and generally quieter operation in user reports
- Standard 12V motor with specified power and speed ratings for predictable performance
- Supplied wiring pigtail can be long or require trimming and securing
- Connector differences may require making or buying an adapter for a clean plug-in fit
Verdict A practical, tested complete fan assembly that restores cooling reliably but may need minor wiring or connector adjustments for a perfect fit.
2. Fekuar Dual Radiator and Condenser Fan Assembly (no motors)
| Power Connector Type | 3-Pin |
|---|---|
| Voltage | 12 Volts |
| Cooling Method | Air |
| Compatible Devices | Radiator |
This dual fan assembly is a direct-fit style cooling shroud for the radiator and A/C condenser intended as a factory-quality replacement part. It installs in place of the original fan assembly and is used to restore airflow when the previous shroud is cracked or the fan motors have been removed for service. The listing specifies OEM replacement numbers and vehicle fitment, and the unit is supplied as the plastic housing only so you reuse or separately source the electric motors and mounting hardware. Buyers will appreciate the correct mounting points and full-coverage design that restores the factory airflow path. Expect a moderately difficult install because access behind the bumper and radiator is tight, and some installers report vibration or noise if the motor or mounts are not fitted or balanced precisely. Build quality is typical plastic replacement grade and results vary by installer skill and whether foam or rubber isolators are reused or replaced.
Best for: Convenience-driven buyers who want a straightforward replacement shroud to get cooling performance back quickly without sourcing a full assembled unit and who prioritize quick fitment over an all-in-one kit.
Less Ideal for: Drivers seeking a complete plug-and-play solution with motors and new mounts included or those who prefer a lifetime-durable OEM-specified assembly should consider fully assembled alternatives or dealer parts.
- Fits factory mounting points for listed Nissan/Infiniti 3.5L models so it drops into place with correct alignment
- Restores full radiator and condenser airflow when paired with proper fan motors
- Sold as the shroud only which lets you reuse working motors or install upgraded motors
- Plastic construction keeps weight down and resists corrosion compared with metal alternatives
- Does not include electric fan motors or rubber isolators so additional parts may be required for a complete repair
- Some users report noise or vibration after installation if mounts or motors are not balanced
- Plastic material may be less durable long term compared with OEM-fitted assemblies
Verdict A practical, drop-in plastic fan shroud that restores airflow for compatible Infiniti/Nissan 3.5L models but requires separate fan motors and mounts for a complete repair.
3. TRQ Dual Radiator & Condenser Fan Assembly (RFA83470)
| Power Connector Type | 2-Pin |
|---|---|
| Voltage | 12 Volts |
| Wattage | 2.16 watts |
| Material | Metal |
This TRQ dual fan assembly replaces the radiator and condenser fan pack on compatible Infiniti vehicles and is intended to restore cooling performance to factory levels. It arrives pre-assembled so installation is straightforward for a technician or experienced DIYer and eliminates trimming or modification in most cases. The assembly uses two fans with a 2-pin power connector and a 12 volt rating, matching factory electrical interfaces for plug-and-play replacement. In real-world use the unit clears the radiator and condenser properly, provides strong airflow to address overheating, and the metal construction and machined exterior give a solid initial impression. Some users report long trouble-free service while a minority have experienced plastic support breaks after months of use, so durability can vary by operating conditions. If you need a like-for-like replacement to recover cooling capacity on an FX35, this offers convenience and straightforward fitment, but check mounting points and inspect plastic fasteners during installation to catch potential weak spots.
Best for: Performance-oriented buyers who prioritize restoring reliable engine cooling and maintaining consistent operating temperatures on their Infiniti FX35 during spirited driving and towing.
Less Ideal for: Drivers seeking an upgraded high-performance aftermarket cooling solution or a lightweight racing-specific fan should consider purpose-built performance fans instead.
- Pre-assembled direct-fit design reduces installation time and avoids modification
- Matches factory electrical connector and 12V rating for plug-and-play replacement
- Dual-fan layout restores airflow for radiator and condenser to address overheating
- Metal construction and machined exterior provide a sturdy initial build quality
- Some reported failures of plastic support pieces months after installation affecting long-term durability
- Not a universal unit; fitment must be confirmed for specific FX35 production dates and configurations
Verdict A convenient, factory-style dual fan assembly that restores cooling capacity on the FX35 but inspect mounting supports for potential durability issues.
4. TYG Radiator Cooling Fan Assembly for 2004–2006 Infiniti QX56 V8/5.6L (2-Pin)
| Power Connector Type | 2-Pin |
|---|---|
| Voltage | 13.5 Volts |
| Wattage | 60 watts |
| Maximum Rotational Speed | 2512 RPM |
| Noise Level | 49 Decibels |
This TYG cooling fan assembly is a direct-fit replacement designed to restore radiator airflow for the specified 5.6L V8 vehicles. It installs in place of the original fan assembly and uses a 2-pin power connector for plug-and-play wiring on compatible models. The motor is tested to run at up to about 2512 RPM and the manufacturer reports a noise level near 49 dB under controlled conditions, so it should operate quietly during normal driving and A/C load. Built as a factory-style replacement with similar materials and accelerated-cycle testing, it aims to return cooling performance without expensive OE pricing. Expect straightforward use: remove the old fan, transfer any brackets or mounts if needed, and connect the harness for normal operation. Limitations include occasional shipping damage reported by some buyers and the need to confirm connector and part numbers before ordering to ensure fitment; a few users noted minor balance or connector issues that required simple fixes.
Best for: Budget-conscious buyers who need an affordable, vehicle-specific cooling fan to replace a failed radiator fan and prefer a factory-style swap without upgrading components.
Less Ideal for: Owners seeking premium performance upgrades, long-term high-output cooling solutions, or a guaranteed perfectly balanced aftermarket fan should consider higher-end or professional options instead.
- Vehicle-specific direct-replacement design for compatible 5.6L V8 models
- Factory-style construction with accelerated-cycle testing for durability
- Plug-in 2-pin connector for simple installation with stock wiring
- Balanced blades and tested motor produce relatively quiet operation around 49 dB
- Some customers reported shipping damage to electrical housings or broken parts on arrival
- Fitment requires verifying OE/part numbers and connector pin count before purchase
- A small number of units showed imbalance or vibration at high speed requiring blade balancing
Verdict A cost-conscious, vehicle-specific replacement that restores factory-style cooling for compatible 5.6L V8 models but requires careful fitment checks and occasional minor fixes.
5. Dorman 621-586 Engine Cooling Fan Assembly
| Voltage | 12 Volts |
|---|---|
| Wattage | 80 watts |
| Power Connector Type | 6-Pin |
| Maximum Rotational Speed | 3500 RPM |
This Dorman fan assembly is a complete radiator fan replacement engineered to match factory fit and cooling performance for compatible vehicle years and trims. It arrives as a ready-to-install assembly with the motor and shroud pre-mounted, so typical use is a like-for-like swap when the original fan fails or the controller stops working. Notable features listed include a 12 volt motor rated at 80 watts, a 6-pin power connector, and a maximum rotational speed around 3500 RPM; Dorman states the motor is laboratory tested. In practice the assembly saves time over sourcing separate parts and can be painted if needed to match surroundings. Installation can be tight and fiddly on the Infiniti FX35 because of limited engine-bay access and may require battery or module removal for clearance. Some buyers report the control module design differs from factory and may affect reuse of the original controller, and longevity reports vary across users. For a risk-averse buyer this offers a cost-effective, mostly plug-and-play replacement when fitment for the FX35 is confirmed.
Best for: Risk-averse mainstream buyers who prioritize a close-to-factory replacement and lower cost than dealer parts but still want a tested, preassembled unit they can install or have installed.
Less Ideal for: Drivers seeking an upgraded high-performance cooling solution or those unwilling to accept any possibility of fitment or control-module differences should consider alternatives or dealer parts.
- Complete assembly with motor and shroud reduces parts sourcing and simplifies replacement
- Motor tested in laboratory settings to match cooling performance
- Factory-style 6-pin connector for straightforward electrical connection
- Ready-to-paint exterior if visual matching is desired
- Installation can be difficult in the tight engine bay and may require removal of battery or modules
- Aftermarket control module differs from factory on some units which can prevent swapping the original module without splicing
- Mixed longevity reports from users suggest variable durability compared with factory parts
Verdict A cost-effective, mostly plug-and-play replacement fan assembly for the Infiniti FX35 that mirrors factory fit but may require patience during installation and has mixed long-term durability reports.
6. SCITOO Radiator Condenser Cooling Fan Assembly (Dual Fan)
| Power Connector Type | 4-Pin |
|---|---|
| Voltage | 12 Volts |
| Wattage | 220 watts |
| Maximum Rotational Speed | 2000 RPM |
| Cooling Method | Air |
This SCITOO dual radiator fan assembly is a direct-replacement style cooling module that combines two electric fans in a single shroud to move air through the radiator and condenser. It is typically used as a factory-style replacement when a car overheats, the original fans fail, or during routine cooling system repairs. Notable attributes include a 4-pin power connector, a rated 12-volt input, and dual power ratings listed at 150/220 watts with a maximum rotation around 2000 RPM, which translate to strong pull and moderate noise in operation. The plastic shroud and blades make it lightweight and easy to handle for DIY installs; several users report simple drop-in installs from below the car without special tools. Limitations are that fitment can vary by vehicle year and engine variant so verify electrical connector and mounting alignment before buying, and some buyers noted missing small trim pieces or occasional mounting hole misalignment that may require swapping components or minor adjustments. Expect factory-quality airflow at a lower cost but check fit carefully for your application.
Best for: Practical optimizers looking to restore reliable engine cooling without paying dealer rates and who prioritize a cost-effective, serviceable replacement part.
Less Ideal for: Buyers seeking a guaranteed plug-and-play, vehicle-computer-matched module or those unwilling to check fit and wiring compatibility should consider factory dealer parts or a specialist unit instead.
- Dual-fan assembly provides stronger airflow than a single fan for improved cooling under load
- 4-pin connector and 12V design match common vehicle electrical systems for straightforward wiring
- Reported drop-in installs and modular shroud make it DIY-friendly for technicians and home mechanics
- Fitment and mounting hole alignment can differ by model year requiring minor modifications or fan transfers
- Some units have arrived missing small trim or rubber pieces that are not included in the package details
Verdict A budget-friendly dual-fan replacement that delivers strong, factory-style airflow if you confirm fit and are comfortable with minor installation checks.
7. TYG Radiator Cooling Fan Assembly (3-Pin) — Direct Replacement for Infiniti FX35
| Power Connector Type | 3-Pin |
|---|---|
| Voltage | 13.5 Volts |
| Wattage | 60 watts |
| Maximum Rotational Speed | 1792 RPM |
| Noise Level | 49 Decibels |
This TYG radiator cooling fan assembly is a direct-fit replacement meant to restore radiator airflow and cooling performance on compatible Infiniti vehicles such as the FX35. It installs in place of the original fan assembly and uses the same 3-pin connector configuration, so wiring and mounting are straightforward for a DIY swap or a shop installation. The motor is rated around 60 watts with a tested top speed near 1792 RPM and the manufacturer reports noise under controlled conditions around 49 dB, which makes it acceptably quiet for daily driving and heavier A/C or traffic loads. The listing emphasizes factory-quality materials and accelerated cycle testing to provide durability and reliable operation under normal use. Some buyers have reported occasional fitment or hardware issues, so verify connector pin count and part references before ordering and inspect mounting hardware on arrival. If installed correctly, it restores cooling function and helps prevent overheating in stop-and-go traffic.
Best for: Balanced owners looking for a straightforward, factory-quality replacement to restore reliable cooling on their FX35 without chasing the cheapest option.
Less Ideal for: Drivers who want a universal or custom cooling solution or who need upgraded high-performance cooling beyond the stock specification should consider aftermarket performance fans or professional upgrades instead.
- Direct-fit design intended to match factory mounting and connector layout for compatible vehicles
- Motor performance suitable for restoring radiator airflow under A/C load and traffic
- Balanced blades and tested motor produce relatively low operating noise
- Manufactured and cycle-tested to replicate factory-quality performance
- Some customers reported loose or missing hardware on delivery requiring inspection or replacement
- Fitment depends on confirming the correct OEM reference and connector count before purchase
Verdict A direct-replacement fan assembly that aims to match factory performance for the FX35 and restore reliable cooling, provided you confirm fitment and inspect hardware on arrival.
Choosing the Right Infiniti FX35 Cooling Fan: Key Factors to Consider
Airflow Capacity
Airflow capacity determines how effectively the fan moves air through the radiator and across the condenser. Higher cubic feet per minute or measured airflow at given RPMs typically improves cooling under high engine load and during slow-speed driving.
When assessing airflow, consider both static airflow and performance under the vehicle's typical operating conditions. A fan that produces strong airflow at lower RPMs is valuable for stop-and-go traffic, while high-RPM airflow can help when towing or driving up steep grades. Balance raw airflow with noise and motor durability to avoid excessive vibration or premature wear.
Noise and Vibration
Noise matters for cabin comfort and can indicate inefficient blade design or imbalance. Fans with aerodynamic blades and solid shroud mounting tend to run quieter and produce less vibration, which reduces stress on mounting points and sensors.
Consider measured decibel ratings where available and look for features that dampen vibration, such as rubber mounts or reinforced shrouds. A quieter fan that still provides adequate airflow is often preferable to a louder high-flow unit that may be fatiguing in daily use.
Motor Durability and Electrical Reliability
The cooling fan motor is a high-stress component that experiences frequent starts and stops and must tolerate heat, moisture, and voltage fluctuations. Motors with sealed housings, quality bearings, and proven thermal protection generally last longer and maintain consistent performance.
Check for descriptions of duty cycle rating and whether the motor design resists water ingress and corrosion. Reliable electrical connectors and proper wiring compatibility reduce the chance of failures related to shorts, corrosion, or poor contact, which can cause the cooling fan not running when it is most needed.
Fitment and Mounting Compatibility
Accurate fitment to the radiator and existing shroud assembly simplifies installation and ensures proper airflow direction. A fan or cooling fan assembly that matches factory mounting points reduces the need for modifications and prevents gaps that can allow hot air recirculation.
Verify that mounting holes, connector types, and overall dimensions align with the Infiniti FX35 radiator and fan shroud assembly. Proper fitment also helps protect adjacent components and maintains correct clearance for belts, hoses, and other engine-bay parts.
Material Quality and Corrosion Resistance
Materials influence longevity in a hot, wet, and salty environment. Fans and shrouds made from UV-stabilized plastics or corrosion-resistant metals withstand heat cycling and road exposure without cracking or rusting.
Also inspect fasteners, brackets, and exposed hardware for protective coatings. Better materials reduce the likelihood of failures like cracked housings or corroded mounts, which can lead to misalignment or contact with the radiator core.
Serviceability and Installation Effort
Ease of installation affects total repair time and cost of ownership. Assemblies designed for bolt-on replacement with accessible connectors and clear wiring routes reduce labor and the chance of installation errors.
Consider whether supplemental parts like clips or harness adaptors are commonly needed and whether the fan allows reuse of the existing shroud or requires full replacement. Simpler, service-friendly designs help you get the cooling system back to working order faster and minimize workshop time.
FAQ
What are common cooling fan symptoms on an Infiniti FX35?
Common symptoms include the engine running hotter than normal at idle, the cooling fan not running when the engine is hot, or unusual grinding or rattling noises from the fan area. You may also notice reduced air conditioning performance when the vehicle is stopped. These signs often indicate motor wear, electrical issues, or damaged blades.
How can I tell if I need a radiator fan replacement or just a repair?
If the issue is a damaged blade, loose mounting, or a simple electrical connector fault, a targeted repair may be sufficient. However, if the motor has failed, bearings are noisy, or the shroud is cracked, replacing the full radiator fan assembly is usually more reliable. Diagnosis should include checking voltage at the connector and visually inspecting blades and mounting points.
Is an electric cooling fan easy to replace on this vehicle?
Replacing an electric cooling fan can be straightforward if the assembly is accessible and the replacement matches the original fitment. Typical tasks include disconnecting the battery, unplugging the electrical connector, removing mounting hardware, and installing the new unit. Complexity increases if other components must be removed to reach the fan.
What causes a cooling fan motor to fail?
Motors fail from normal wear of bearings, heat-induced degradation of internal components, moisture ingress, or electrical issues such as shorting or connector corrosion. Repeated heavy duty cycles or prolonged overheating can accelerate wear. Ensuring good electrical connections and using parts with proper thermal protection helps reduce failure risk.
Can I reuse the fan shroud assembly when replacing the fan?
Often the existing shroud can be reused if it is intact and mounts securely, which simplifies replacement. However, if the shroud is cracked, warped, or has damaged mounting points, replacing it with the fan or using a complete assembly provides better airflow sealing and fitment. Inspect the shroud for signs of stress before deciding to reuse it.
How We Chose the Best Infiniti FX35 Cooling Fan
We focused on parts and assemblies appropriate for the Infiniti FX35 and prioritized components that directly affect cooling performance and reliability. Evaluation criteria included airflow capacity at typical engine speeds, noise output under load, build quality of the fan and shroud, electrical reliability of the cooling fan motor, and ease of installation with correct radiator fan assembly fitment. We also considered corrosion resistance of mounting points and material durability for long-term service under heat cycling. Excluded items were generic universal fans that require extensive modification, non-electric aftermarket adaptors, and parts with unclear fitment data. We prioritized components designed for direct replacement or simple swap-in installation to limit installation time and reduce the need for additional parts. Final selections balanced airflow, noise, and build quality to reflect common Infiniti FX35 cooling demands.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing an Infiniti FX35 cooling fan, prioritize airflow capacity, motor reliability, and correct fitment to the radiator and shroud. These factors most directly affect cooling performance, noise, and long-term durability. Balance raw airflow with noise and installation ease. Opt for assemblies that match mounting points and electrical connectors to reduce installation time and lower the risk of fitment-related issues.
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