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Choosing the right radiator for your Chrysler 300 matters because cooling performance directly affects engine longevity and day-to-day reliability. A correct radiator helps prevent overheating, supports consistent cabin climate control, and reduces the chance of unexpected roadside breakdowns. This guide summarizes the top shortlisted radiators for the Chrysler 300 and explains the evaluation criteria we used, including cooling capacity and construction quality. Read on to understand which features matter for real-world driving and maintenance, then use the product list to find an option that fits your needs.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | DWVO Complete Radiator for Chrysler 300 (2009–2023) |  |
| Most Popular A crowd favorite that many people choose with confidence | TRQ Radiator, direct-fit replacement for 2005–2008 Chrysler 300 (heavy-duty cooling) |  |
| Best Quality Built to a higher standard if you want something more solid | Readair Radiator Assembly with Aluminum Core for Chrysler 300 |  |
| Best Budget The cheapest option that still gets the job done reliably | YITAMOTOR Radiator Compatible with 2005–2008 Chrysler 300 (2.7L–6.1L) |  |
| Most Sold A high-volume bestseller chosen again and again | Autoexact 1178 Aluminum Radiator Replacement for Chrysler 300 / Dodge Challenger / Charger (Front) |  |
| Best Value for Money The sweet spot between price and what you get | KAX CU2767 Engine Cooling Radiator for Chrysler 300 (2005–2008) |  |
| Best Overall The best all-around choice for most situations | A-Premium Engine Coolant Radiator for Chrysler 300 (fits select 2009–2021 engines) |  |
1. DWVO Complete Radiator for Chrysler 300 (2009–2023)
| Compatible vehicle | Chrysler 300 (2009–2023) |
|---|---|
| Core material | 100% aluminum core |
| Includes | Transmission oil cooler |
| Manufacturer part numbers | 68050126AB, CH3010355 |
This DWVO complete radiator is a direct-fit replacement for Chrysler 300 years 2009–2023 and is built around a dense, multi-louvered aluminum core to improve heat dissipation. It installs in place of the factory unit and includes a transmission oil cooler to support automatic transmissions that rely on the radiator for fluid cooling. The radiator uses TIG-welded end tanks and a treated coating intended to resist corrosion and leaks, and the manufacturer reports pressure and leak testing before shipping. For reliability-focused owners this product offers practical benefits: better cooling surface area than many aftermarket cores, reinforced mounting foam to reduce handling damage in transit, and a user manual to guide professional installation. Limitations to note are that the radiator ships without a radiator cap and may require reuse of some small fittings from the old unit; some buyers have also reported minor alignment fiddling during installation. Professional installation is recommended to ensure proper bleeding and fitment in the Chrysler 300.
Best for: Reliability-focused buyers who prioritize a durable, factory-style replacement to restore cooling performance and avoid repeat repairs on a Chrysler 300.
Less Ideal for: Buyers seeking a plug-and-play upgrade with every small fitting included or those wanting to modify cooling performance beyond factory specifications should consider other options.
- Direct-fit design made to match Chrysler 300 fitment from 2009 through 2023
- High-density multi-louvered aluminum core for improved cooling efficiency
- Includes integrated transmission oil cooler for automatic transmission fluid cooling
- TIG-welded end tanks and factory-style testing intended to reduce leaks and increase durability
- Does not include the radiator cap or some small plugs which may need to be transferred from the old radiator
- Some users reported minor bolt alignment adjustments required during installation
Verdict A robust, factory-style replacement radiator for Chrysler 300 owners who need a reliable cooling solution but expect to reuse small fittings and have a professional install it.
2. TRQ Radiator, direct-fit replacement for 2005–2008 Chrysler 300 (heavy-duty cooling)
| Core Row Quantity | 1 |
|---|---|
| Core Thickness | 1.25 in |
| Inlet Diameter | 1.5 in |
| Outlet Diameter | 1.5 in |
| Core Material | Aluminum |
This TRQ radiator is a one-row, direct-fit replacement specified for 2005–2008 Chrysler 300 models with heavy-duty cooling and V8 engines. It installs in the factory location as a cross-flow unit with a single aluminum core row and plastic tanks, so it functions like the stock radiator while restoring cooling capacity for daily driving and towing where heavy-duty cooling was originally specified. Practical details include 1.25-inch core thickness, 1.5-inch inlet and outlet diameters, and bottom-left outlet and top-right inlet positions, which keep hose routing and mounting consistent with the factory layout. The radiator does not include a cap or internal oil/ transmission cooler, so plan to reuse or replace those components separately. Buyers report straightforward bolt-up fitment when used on the intended Chrysler 300 models, though installation can require removing surrounding trim or condenser components on some cars. For convenience-focused owners this unit offers a close factory-replacement fit and accessible installation resources, but it is a basic single-row design rather than an upgraded high-capacity performance radiator.
Best for: Convenience-driven buyers seeking a straightforward, factory-style replacement that restores original cooling performance with minimal fuss and installation time.
Less Ideal for: Drivers who need an upgraded high-flow or heavy-duty performance radiator for sustained towing, racing, or significantly higher cooling demand should consider a multi-row or performance-oriented unit instead.
- Direct-fit replacement tailored to 2005–2008 Chrysler 300 heavy-duty cooling configurations.
- Aluminum single-row core provides reliable cooling similar to factory units while keeping weight and complexity low.
- Connector locations and flow orientation match factory routing for easier hose and mount alignment.
- Pre-assembled mounting points reduce the need for modifications during installation.
- Extensive installation videos and documentation available to guide DIY installs.
- Single-row core is not a high-capacity upgrade for extreme towing or performance use.
- Radiator cap and any transmission/engine oil coolers are not included.
- Plastic tanks rather than full-metal construction may be less durable under extreme heat or long-term high-load conditions.
Verdict A convenient, factory-style direct-fit radiator for 2005–2008 Chrysler 300s with heavy-duty cooling that restores stock cooling without upgrading capacity.
3. Readair Radiator Assembly with Aluminum Core for Chrysler 300
| Compatible vehicles | Chrysler 300 (2009–2022) with listed engine options |
|---|---|
| Core thickness | 1 inch |
| Core height | 24-1/5 inch |
| Core width | 18 inch |
| Inlet/outlet diameter | 1-1/2 inch |
This Readair radiator is a direct-fit replacement for Chrysler 300 engines across several displacements and model years, offering an aluminum core with reinforced plastic end tanks. It installs like a factory-quality unit and is intended for routine engine cooling duty in daily driving or spirited use. Notable features include a TIG-welded aluminum core, treated coating for corrosion resistance, and leak-tested construction intended to improve durability. The listing specifies that transmission and engine oil coolers are not included, so it functions solely as the coolant radiator. In practice you can expect an OEM-style fit and straightforward swap for compatible 300s, with many buyers reporting secure packaging and easy alignment of mounting points. Potential limitations are variability in build quality across units and the absence of integrated oil coolers if your vehicle requires them; buyers who need a combined cooler must plan separately. For performance-minded owners, the aluminum core and welds aim to handle higher thermal loads better than cheaper cores, but long-term reliability will depend on installation and cooling system maintenance.
Best for: Performance-oriented Chrysler 300 owners who prioritize better heat rejection and a near-factory replacement when upgrading or repairing their cooling system.
Less Ideal for: Drivers who need a radiator with integrated oil coolers or who want a guaranteed premium OEM-brand part without any risk of variable quality should consider other options.
- Direct-fit compatibility with Chrysler 300 model years 2009–2022 and multiple engine options.
- Aluminum core with TIG-welded construction for improved heat transfer and structural strength.
- Treated coating and leak testing intended to reduce corrosion and early failure.
- Packaging and fitment reported by users to match factory mounting points for easier installation.
- Does not include transmission or engine oil coolers, so additional parts are required if your application needs them.
- Build quality reports are mixed among buyers, indicating possible unit-to-unit variability.
Verdict A performance-minded, direct-fit aluminum-core radiator for Chrysler 300s that improves cooling capacity over basic replacements but lacks integrated oil coolers and shows some quality variability.
4. YITAMOTOR Radiator Compatible with 2005–2008 Chrysler 300 (2.7L–6.1L)
| Compatibility | 2005–2008 Chrysler 300 2.7L/3.5L/5.7L/6.1L |
|---|---|
| Core Size | 24.25" x 18.38" |
| Header Size | 19.25" x 1.65" |
| Tanks | Glass-fiber reinforced nylon PA66 |
| Manufacturer | YITAMOTOR |
This YITAMOTOR radiator is a cost-focused, factory-style replacement for 2005–2008 Chrysler 300 models across the 2.7L through 6.1L engines. It uses a high-density aluminum tube-and-fin core and an integrated aluminum oil cooler to increase heat dissipation, while glass-fiber reinforced nylon PA66 inlet and outlet tanks aim to reduce cracking and leaks compared with cheaper plastic alternatives. The unit ships securely packaged and is sized to match factory fitment so installation is straightforward for a mechanic or experienced DIYer, though the radiator cap is not included. Buyers should expect good cooling performance under normal driving and towing loads, but occasional reports in reviews note early leaks or fitment problems on some vehicles, so careful pre-purchase compatibility checks and professional installation are advised. For a budget replacement that prioritizes cooling efficiency over premium materials, this radiator delivers solid value with the usual risk of shorter long-term durability versus higher-end options.
Best for: Practical, budget-conscious buyers who need an affordable, direct-replacement radiator for a 2005–2008 Chrysler 300 and prioritize cooling performance and upfront value over premium longevity.
Less Ideal for: Owners seeking a long-term, high-end factory-quality overhaul or those who want a lifetime durability guarantee should consider higher-tier radiators or dealer replacement options.
- Aluminum high-density tube-and-fin core for improved heat dissipation
- Integrated aluminum oil cooler for better overall cooling efficiency
- Glass-fiber reinforced nylon PA66 tanks reduce crack and leak risk compared with basic plastics
- Designed to match factory fitment for straightforward installation on covered Chrysler 300 years
- Secure packaging and leak-tested before shipping to reduce arrival damage
- Radiator cap not included requiring a separate purchase
- Some customer reports of early leaks or fitment issues on certain vehicles
Verdict A wallet-friendly, direct-fit radiator for 2005–2008 Chrysler 300s that boosts cooling efficiency but may not match premium units for long-term durability.
5. Autoexact 1178 Aluminum Radiator Replacement for Chrysler 300 / Dodge Challenger / Charger (Front)
| Compatibility | 2009-2023 Chrysler 300 (2.7L–6.4L) and specified Dodge Challenger/Charger gasoline engines |
|---|---|
| Construction | All-aluminum core with multi-louvered fins and flat-flow B-type tubes |
| Position | Front |
| Manufacturer Part Number | ALQ-11645-1178-AE-1 |
This Autoexact 1178 radiator replaces the factory unit on 2009–2023 Chrysler 300 and compatible Dodge Challenger/Charger engines and is intended as a direct-fit replacement for coolant system repairs. Made from aluminum with multi-louvered fins and flat-flow tubes, it prioritizes faster heat transfer and corrosion resistance compared with older or corroded radiators. The unit is built with deep extrusion header tanks, precision welds, and premium seals and is pressure-tested to limit leaks. Installation is straightforward for a competent DIYer or shop because it is made to match factory connections for hoses, fan shroud, and cooler lines. Practical benefits include lighter weight than many OEM cast units, improved airflow geometry for cooler running under load, and a claimed leak-proof construction. Limitations to note are that certain severe-duty or pursuit-specific cooling setups may have different fan or shroud arrangements that prevent a perfect fit, and the product listing specifies a one-year warranty rather than a longer factory-equivalent coverage.
Best for: Cautious owners looking for a factory-style radiator replacement that restores reliable cooling with minimal fuss and who prioritize fitment and proven cooling performance over extended aftermarket warranties.
Less Ideal for: Buyers who need a purpose-built heavy-duty or pursuit-spec cooling solution or who require longer-term commercial warranties should consider dedicated performance or fleet cooling options instead.
- All-aluminum construction with multi-louvered fins and flat-flow tubes for efficient heat dissipation
- Designed to match factory connections for direct installation with existing hoses and fan shroud
- Pressure-tested with precision welds and sealed headers to reduce the chance of leaks
- Corrosion-resistant coating intended to extend service life compared with older cores
- May not fit specialized severe-duty or pursuit cooling configurations without modification
- Warranty coverage is limited to one year
Verdict A risk-averse, factory-style aluminum replacement that restores cooling reliability for Chrysler 300 owners, provided your vehicle does not have a specialized severe-duty cooling layout.
6. KAX CU2767 Engine Cooling Radiator for Chrysler 300 (2005–2008)
| Compatible Models | 2005–2008 Chrysler 300 |
|---|---|
| OEM Part Numbers Replaced | CU2767, 734996, 412767, 2217009, 2767C, 5175367AA, 5137692AA, 5137691AA |
| Core Thickness | 1 in |
| Inlet/Outlet Diameter | 1-1/2 in |
This KAX CU2767 radiator is a replacement cooling unit intended to fit 2005–2008 Chrysler 300 applications and similar platform vehicles. It installs where the factory radiator sits and circulates engine coolant through a high-density aluminum core to dissipate heat; the listing notes precision TIG welding and multi-louvered fins to improve thermal transfer and resist corrosion. Buyers should expect a straightforward swap-in when the part numbers match, and reinforced packaging reduces the risk of transit damage. Practical benefits include a claimed leak-tested assembly, PA66 GF30 plastic tanks for chemical resistance, and a core designed for efficient airflow that helps the engine maintain normal operating temperature under typical driving. Limitations are variable: customer feedback shows mostly positive fits and cooling but a few reports of early leaks, so professional installation and inspection after fitting are prudent. The manufacturer offers support and a stated two-year assurance but confirm vehicle fitment before ordering to avoid returns.
Best for: Buyers who prioritize practical value and a near-factory replacement at a reasonable cost, looking to restore reliable cooling on a Chrysler 300 without paying for a premium brand.
Less Ideal for: People seeking an ultra-durable, all-metal performance radiator for heavy towing, racing, or extreme-duty use should consider higher-end performance units instead.
- Designed as a direct-fit replacement for 2005–2008 Chrysler 300 applications using listed OEM part numbers
- Aluminum core with multi-louvered fins aimed at efficient heat dissipation
- Precision TIG welding and leak testing claimed to improve long-term durability
- Reinforced, shockproof packaging to lower risk of shipping damage
- Manufacturer offers customer support and a two-year quality assurance
- Some customer reports indicate occasional early leaking from seams in real-world use
- Plastic water tanks may be less durable over decades compared with all-metal designs
Verdict A cost-conscious, near-factory replacement radiator for Chrysler 300 owners that restores cooling performance for most daily drivers but may show occasional quality variation.
7. A-Premium Engine Coolant Radiator for Chrysler 300 (fits select 2009–2021 engines)
| Transmission Oil Cooler Included | No |
|---|---|
| Core Thickness | 1 inch |
| Core Height | 24-1/8 inch |
| Inlet Diameter | 1-7/16 inch |
| Outlet Diameter | 1-7/16 inch |
This A-Premium radiator is a straight replacement intended to bring a worn or damaged cooling core back to factory-quality performance for compatible Chrysler 300 model years and engines. It installs in place of the original radiator and is sold as a standard-duty unit with a single fan setup and no transmission oil cooler. Key features from the listing include matching inlet and outlet diameters and a compact core thickness that makes it a straightforward swap for 3.6L and 5.7L applications among others. In practice it cools to expected temperatures and many buyers report easy installation and cost savings compared with dealer parts. Limitations: some customers noted minor fitment finish issues such as slight core curvature and missing attachment tabs that can complicate alignment during installation, and one reported a defective unit that required return. The manufacturer backs the part with a one-year unlimited-mileage guarantee, which helps offset risk for routine replacement jobs.
Best for: Balanced buyers who value a reliable, budget-conscious factory-style replacement to restore cooling on a Chrysler 300 without overpaying for dealer parts.
Less Ideal for: Buyers planning heavy-duty, track, or towing use who need a heavy-duty or performance radiator should consider higher-capacity aftermarket options.
- Direct-fit replacement for many Chrysler 300 engine options reducing installation complexity
- Single-fan standard duty design matches factory cooling layout for covered models
- Matching inlet and outlet sizes simplify hose connections during swap
- Reported to restore or improve operating temperatures in typical driving conditions
- One-year unlimited-mileage guarantee provides reasonable post-purchase protection
- Does not include a transmission oil cooler so not suitable where that feature is required
- Some units have reported minor manufacturing defects such as core curvature or missing attachment tabs
- Standard-duty construction may not be ideal for heavy towing or high-performance sustained use
Verdict A cost-effective, direct-fit radiator that restores factory-style cooling for Chrysler 300 owners seeking a practical replacement, though it is standard-duty and lacks a transmission cooler.
Choosing the Right Chrysler 300 Radiator: Key Factors to Consider
Cooling Capacity
Cooling capacity determines how effectively a radiator removes heat from engine coolant. Higher thermal transfer capacity helps maintain stable engine temperatures during highway driving, towing, or stop-and-go traffic, reducing the risk of overheating.
When choosing, consider core size, fin density, and whether the design improves airflow through the radiator. A unit with better cooling capacity can allow the engine to operate closer to its optimal temperature range, which benefits fuel efficiency and reduces stress on head gaskets and other components.
Materials And Corrosion Resistance
The materials used in the core and tanks affect durability and corrosion resistance. Aluminum cores with quality brazing resist rust and typically have better heat transfer than older materials, while plastic tanks can be lighter but may be more prone to stress-related failure over time.
Look for radiators with corrosion-resistant coatings or construction that matches the coolant chemistry used in your vehicle. Long-term exposure to road salts and varying temperatures makes material choices important for service life and leak prevention.
Fitment Accuracy
Fitment accuracy ensures the radiator mounts securely and aligns with factory hoses, brackets, and transmission cooler interfaces. Correct inlet and outlet positions, mounting tab placement, and thickness relative to the space behind the grille all affect ease of installation and proper operation.
A radiator that fits precisely reduces the need for modifications, prevents stress on hoses and clamps, and maintains correct fan clearance. Verify fitment specifications against your Chrysler 300 model year and engine configuration to avoid compatibility issues.
Build Quality And Manufacturing
Overall build quality covers brazing seams, tank attachment methods, and the integrity of mounting points. Robust manufacturing reduces the risk of leaks at joints, warped cores, or broken fittings after installation.
Inspect details like reinforced mounting tabs and high-quality hose connections when evaluating options. Better manufacturing often correlates with longer warranties and fewer in-service failures, which is especially valuable for vehicles driven in demanding conditions.
Serviceability And Installation
Serviceability affects how easy it is to install the radiator and perform maintenance tasks such as flushing coolant or replacing hoses. Radiators designed with accessible drain plugs, standard hose sizes, and clear mounting instructions can significantly reduce labor time.
Consider whether the unit supports reuse of existing components like fans and sensors or if adapters are required. A radiator that simplifies routine service lowers long-term maintenance hassle and can reduce the chance of installation errors that lead to leaks or poor performance.
Compatibility With Cooling System Accessories
Some radiator replacements must interface with transmission coolers, sensor ports, or shrouds. Compatibility with these accessories ensures complete system functionality after replacement and avoids additional modifications.
Confirm whether the radiator includes or supports an integrated transmission cooler if your vehicle requires one, and check for provisions for coolant temperature sensors or bleed ports. Proper accessory compatibility maintains factory system behavior and helps prevent overheating or transmission issues.
FAQ
How do I know if my Chrysler 300 radiator needs replacement?
Common signs include persistent overheating, visible coolant leaks under the vehicle, discolored or low coolant level, and steam or a sweet odor from the engine bay. You may also notice fluctuating temperature gauge readings or poor cabin heating performance.
Can I replace the radiator myself on a Chrysler 300?
Many mechanically inclined owners can replace a radiator with basic tools, a service manual, and time. The job usually involves draining coolant, disconnecting hoses and mounts, and refilling and burping the system. If you are uncertain about fitment or coolant bleeding, professional installation reduces risk.
Should I choose an OEM or aftermarket radiator for my Chrysler 300?
OEM parts often match factory fit and specifications closely, while aftermarket radiators can offer upgrades in cooling performance or materials. The best choice depends on whether you prioritize exact original fit or enhanced cooling capacity. Check build quality and fitment documentation before deciding.
What maintenance helps extend radiator life?
Regular coolant changes or flushes based on the vehicle maintenance schedule, using the correct coolant type, and inspecting hoses and clamps for wear all help. Keep the cooling system free of debris and ensure the radiator and condenser fins are clean to maintain airflow.
Will a radiator replacement fix overheating immediately?
Replacing a failing radiator often resolves overheating caused by poor cooling capacity or leaks, but overheating can have other causes such as thermostat failure, a weak water pump, or blocked passages. Diagnose the entire cooling system if problems continue after replacement.
How important is proper coolant type when replacing the radiator?
Using the recommended coolant and the correct mixture helps protect against corrosion and supports consistent heat transfer. Mismatched coolant types or incorrect concentration can accelerate internal corrosion and reduce cooling efficiency, so follow manufacturer guidelines.
How We Chose the Best Chrysler 300 Radiator
We prioritized radiators that deliver dependable cooling under typical driving conditions and in occasional higher-load situations. Key evaluation criteria included thermal transfer capacity measured by core design and fin density, materials and corrosion resistance such as aluminum cores and quality brazing, and overall build quality including tank construction and reliable hose flange fittings. We also assessed fitment accuracy for the Chrysler 300 mounting points and inlet/outlet orientations, ease of installation and serviceability, and compatibility with common cooling-system components like transmission coolers when applicable. Longevity factors such as warranty coverage and manufacturer quality control were considered in our selection as proxies for expected lifespan. Products that lacked clear fitment data for the Chrysler 300, used substandard materials, or did not meet basic cooling capacity expectations were excluded. We did not include items without documented mounting specifications or those clearly intended for different vehicle platforms.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize fitment accuracy and cooling capacity when selecting a radiator for your Chrysler 300, because those factors have the biggest impact on installation ease and real-world temperature control. Balance material quality and manufacturing robustness against how you drive and maintain the vehicle to pick an option that lasts. Remember that proper installation and periodic coolant maintenance are essential to getting the expected lifespan from any radiator. Consider serviceability and accessory compatibility as part of your decision to avoid unexpected work after installation.
