INFINITI 21410JK20B Radiator Condenser 675-50239A G37 6873

( Manufacturer Part Number: 21410JK20B ), ( Part Type: Radiator Condenser ), ( Conditions Options: Sport ), ( Genuine Oem: Yes ), ( Ipn: 675-50239a ), ( Year: 2009 )

Review INFINITI Radiator And Condenser Assembly G37 fits 2008–2013

The **Infiniti G37 (2008 2013) Radiator/Condenser Assembly (Part Number: 21410JK20B, OEM Code: 6873)** is a precision-engineered, high-performance cooling component designed exclusively for the front-wheel-drive Infiniti G37 platform, which shares its architecture with the Nissan Altima and Maxima. This radiator and condenser assembly serves as the heart of the vehicle s cooling system, ensuring optimal thermal regulation for the engine, automatic transmission, and auxiliary components like the power steering and cooling fans. Crafted from durable, corrosion-resistant aluminum alloy, the assembly features a robust honeycomb core structure that maximizes heat dissipation efficiency while minimizing airflow resistance. The front-mounted design integrates a **radiator** responsible for cooling the engine coolant and a **condenser** critical for the air conditioning system s refrigerant cycle into a single compact unit, streamlining installation and maintaining aerodynamic efficiency. The assembly is equipped with **high-flow inlet and outlet hoses** (typically 32mm and 28mm respectively) that are reinforced with durable rubber and reinforced fabric layers to withstand the high pressures and thermal fluctuations inherent in high-performance driving conditions. Additionally, the condenser includes **optimized fin spacing and tube design**, which enhances heat rejection in both ambient and high-load scenarios, such as prolonged highway driving or aggressive acceleration. For added durability, the assembly is sealed with **high-temperature silicone gaskets** and **clips**, preventing coolant or refrigerant leaks while ensuring a secure fit within the vehicle s grille and support brackets. This radiator and condenser assembly is a direct OEM replacement, meaning it adheres to Infiniti s exact specifications for fitment, performance, and compatibility with the G37 s 3.7-liter V6 engine and 6-speed automatic transmission, ensuring seamless integration with the existing cooling system components, including the water pump, thermostat housing, and cooling fans. Whether used in a routine maintenance replacement or as part of a comprehensive cooling system upgrade, this assembly guarantees reliable operation, extended engine life, and consistent climate control, making it an essential component for maintaining the performance and longevity of the Infiniti G37.

### **Pros and Cons of buying a Infiniti G37 Radiator/Condenser (Part Number: 21410JK20B, Fits 2008 2013 Models)**

1. **OEM Quality** This is an original equipment manufacturer (OEM) part, meaning it meets Infiniti s exact specifications for fit, function, and durability. It should integrate seamlessly with your vehicle s cooling system without compatibility issues.

2. **Reliability** OEM parts are typically built to last, reducing the risk of premature failure compared to aftermarket alternatives that may cut corners on materials or assembly.

3. **Warranty Coverage** If purchased from a reputable dealer or online retailer (e.g., Infiniti-authorized parts stores, RockAuto, or Amazon with seller warranties), this part may come with a warranty, offering peace of mind against defects.

4. **Performance Match** The radiator and condenser are designed to work together with the G37 s cooling system, ensuring optimal heat dissipation for the engine and cabin A/C. Poor-quality aftermarket parts might not match this performance.

5. **Ease of Installation** As an OEM part, it should fit without modifications, making installation straightforward for a mechanic or a DIYer with basic tools.

6. **Long-Term Cost Savings** While the upfront cost may be higher than aftermarket options, an OEM part can prevent recurring issues (e.g., leaks, poor cooling) that might arise from cheaper alternatives.

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1. **Higher Cost** OEM parts are generally more expensive than aftermarket equivalents. For example, you might pay $200 $400 for this radiator/condenser, whereas aftermarket versions could range from $80 $150. This can be a significant outlay if you re on a tight budget.

2. **Limited Availability** OEM parts may not be as widely stocked as aftermarket options, especially if you re buying from a local dealer. You might need to order online, which could involve shipping delays.

3. **Potential for Overkill** If your radiator/condenser is only failing due to a minor issue (e.g., a cracked hose or a clogged core), replacing the entire assembly might be unnecessary. A partial repair (e.g., sealing a leak) could be more cost-effective.

4. **Resale Value Impact** If you plan to sell the vehicle later, installing an OEM part might not provide a tangible return on investment. Buyers often prioritize maintenance history and cost savings over OEM upgrades.

5. **Risk of Counterfeit Parts** When purchasing online, there s a chance of receiving a counterfeit OEM part, especially from untrusted sellers. Always verify the seller s reputation and check for authenticity markings (e.g., Infiniti s logo, part number matching).

6. **Time-Consuming Replacement** Replacing a radiator/condenser requires draining coolant, removing the grille, and potentially disconnecting electrical components (e.g., fans). This is a labor-intensive job that may require professional help, adding to the total cost.

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Buying the **Infiniti 21410JK20B OEM radiator/condenser (2008 2013 G37)** is a strong choice if you prioritize **reliability, longevity, and exact fitment**. The part is built to Infiniti s standards, reducing the risk of future cooling system failures and ensuring optimal performance for your engine and A/C. However, the **higher cost** and **potential for overkill** (if only a minor repair is needed) make it less ideal for budget-conscious buyers or those who prefer aftermarket alternatives.

If you re comfortable with aftermarket parts and willing to research thoroughly, you could save money with a high-quality aftermarket radiator/condenser (e.g., from **Mopar, ACDelco, or Koyo**) that meets OEM standards. Always verify compatibility, read reviews, and check for warranties before purchasing.

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- You want the most reliable and long-lasting solution.

- You re replacing a failed radiator/condenser due to age or severe damage.

- You re comfortable paying the premium for peace of mind.

- You re having the work done by a trusted mechanic who can ensure proper installation.

- You re on a tight budget and can find a reputable brand with good reviews (e.g., **Koyo, ACDelco, or Mopar**).

- The issue is minor (e.g., a cracked hose or a clogged core), and a partial repair is sufficient.

- You re confident in your DIY skills and can verify the part s quality before purchasing.

**Final Tip:** If possible, compare prices from multiple sources (e.g., **Infiniti dealers, RockAuto, Amazon, or local auto parts stores**) and check for bundled deals (e.g., radiator condenser hoses). Always ensure the part number matches your vehicle s year and model exactly.

Details:

INFINITI G35 07 4 Dr SD, MT. INFINITI Q60 14-15 radiator and condenser assembly, MT. Please review the photos and specifics before purchasing. INFINITI G35 08 4 Dr, SD, MT.

INFINITI G37 08-13 radiator and condenser assembly, MT.

part #: 21410jk20b prices

• $149.95-$189.99

specifications ocoosys:

• for makes: Infiniti
• for years: 2008-2013
• mpn: 21410jk20b
• part type: Radiator Condenser
• conditions options: Sport
• genuine oem: Yes
• ipn: 675-50239a
• year: 2009

seller ocoosys:

• city: Tampa, Florida
• rating: 99.5%
• # reviews: 5317

general ocoosys:

• Car Truck Parts Accessories > Engine Cooling Components > Radiators
• condition: Used

returns ocoosys:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

offer ocoosys:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: February 18, 2026
• quantity: 1

payments ocoosys:

• other
• credit card: Visa
• wallet: Apple-pay

shipping ocoosys:

• service: Standard
• transit: 3-8 Days
• cost: $0.00
• class: Standard
• type: Fixed

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