500254 MAP Heater Core Uplander Rear Chevrolet Pontiac

Review MAP Heater Core Fits Chevrolet Uplander Pontiac Rear for CHEVROLET PONTIAC MONTANA 2005–2009

Introducing the Mapco 500254 Heater Core, specifically designed for Chevrolet Uplander models from the years 2005 to 2009, and Pontiac Montana vehicles from the same era. This heater core is a crucial component of your vehicle's heating system, responsible for transferring engine coolant heat to the passenger compartment.

The Mapco 500254 Heater Core is meticulously crafted using advanced materials and manufacturing techniques to ensure optimal performance and durability. It features a robust aluminum construction that withstands the rigors of continuous use. The core comprises a series of thin, finned tubes that maximize heat transfer, while the internal passages are precisely engineered to ensure efficient coolant flow.

This heater core is a direct fit replacement for the original part, ensuring easy installation. It comes complete with all necessary hardware, including mounting brackets and gaskets, to make the installation process as seamless as possible. The Mapco 500254 Heater Core is also compatible with all original heating system components, eliminating the need for costly system upgrades.

The Mapco 500254 Heater Core is designed to meet or exceed OEM specifications, ensuring that your vehicle's heating system functions as intended. It is thoroughly tested under various conditions to guarantee reliable performance, even in extreme temperatures. The core is also compatible with all engine coolant types, allowing you to use the coolant of your choice.

In summary, the Mapco 500254 Heater Core is a high-quality, direct-fit replacement for your Chevrolet Uplander or Pontiac Montana from 2005 to 2009. Its robust aluminum construction, efficient heat transfer design, and compatibility with original system components make it an excellent choice for maintaining your vehicle's heating system in top condition.

Heater Core Replacement for 2005-2009 Chevrolet Uplander and Pontiac Montana: A Detailed Analysis

Heater cores in vehicles play a crucial role in providing warmth inside the cabin during cold weather. If your 2005-2009 Chevrolet Uplander or Pontiac Montana is not heating up properly, you might be considering a heater core replacement. In this analysis, we will discuss the pros and cons of buying a new heater core (Map 500254) for these vehicles.

1. Improved cabin temperature: Installing a new heater core will ensure that your vehicle's cabin is warmed up effectively, making your driving experience more comfortable during cold weather.

2. Enhanced engine performance: A faulty heater core can cause your engine to work harder than necessary, which can lead to decreased fuel efficiency and increased engine wear. Replacing the heater core can help improve your engine's performance and fuel economy.

3. Increased safety: In extreme cold weather, a faulty heater core can make it difficult for the defroster to work properly, making it challenging to see clearly through the windshield. Replacing the heater core can help ensure the defroster functions correctly, improving your safety on the road.

4. Long-term savings: While the upfront cost of a heater core replacement can be significant, it can save you money in the long run by preventing further damage to your vehicle's cooling system.

1. Cost: The cost of a new heater core (Map 500254) can be quite high, especially when factoring in labor costs for the installation.

2. Time-consuming: Heater core replacement is a complex process that requires specialized tools and knowledge. It can take several hours to complete the job, which can be inconvenient for vehicle owners.

3. Potential for additional repairs: A faulty heater core can be a symptom of a larger cooling system issue. Replacing the heater core may require additional repairs to ensure the cooling system is functioning correctly.

The decision to replace a faulty heater core (Map 500254) in your 2005-2009 Chevrolet Uplander or Pontiac Montana depends on various factors, such as the severity of the issue, your budget, and your personal priorities. While the upfront cost can be significant, the long-term benefits, including improved cabin temperature, enhanced engine performance, increased safety, and potential fuel savings, may make the investment worthwhile.

If you are experiencing issues with your vehicle's heater core, it is essential to have it inspected by a certified mechanic. They can assess the extent of the damage and provide you with an accurate diagnosis and repair estimate. Based on their recommendation, you can decide whether a heater core replacement is the best course of action for your specific situation.

Details:

Rotating electrical. Condition: new.: heater core. Timing parts/kits-valve train.

Oe manufacturer part number: 10362445. Caution: fitment is for north america vehicles. Material: aluminum. Units per package: 1.

Placement on vehicle: underhood. Features: direct fit. Manufacturer part number: 500254. Position: rear.

Number of pieces: tire chains and accessories.

specifications heatercoreco:

• for models: Montana
• for makes: Chevrolet, Pontiac
• for years: 2005–2009
• brand: Map
• mpn: 500254
• placement on vehicle: Underhood
• ipn: 99265-92004
• type: Heater Core
• features: Direct Fit
• caution: Fitment Is For North America Vehicles
• position: Rear
• material: Aluminum
• oe manufacturer part number: 10362445
• fitment type: Direct Replacement
• modified item: No

general heatercoreco:

• category: Auto Parts > Car Truck Accessories > Air Conditioning Heating > Heater Cores

seller heatercoreco:

• city: portland, oregon
• # reviews: 13804
• rating: 99.9%

offer heatercoreco:

• availability: in stock
• sold #: 6
• options: ship-to-home
• in stock #: 5
• started: april 14, 2026
• prices: $31.29–$51.99
• item condition: New

payments heatercoreco:

• other
• credit card: visa
• wallet: apple-pay

shipping heatercoreco:

• type: fixed
• transit: 3-7 days
• service: economy
• class: economy

returns heatercoreco:

• paid by: seller
• policy: returns accepted
• time: 30 days