13590315 GM Heater Core

Review GM Auxiliary Quick Heater Core

The GM 13590315 heater core is an essential component of a vehicle's heating system designed specifically for select GM models. This heater core is engineered to provide efficient and effective heating to the passenger compartment, ensuring driver and passenger comfort during colder weather conditions.

The heater core is a compact, tubular radiator-like component that utilizes a series of tiny passages to circulate coolant through it. As the coolant passes through the core, it absorbs heat from the engine's waste heat, which is then distributed to the vehicle's interior via the heater system.

This particular heater core, part number 13590315, is manufactured to meet the high-quality standards set by General Motors. It is made of corrosion-resistant materials and features a robust design to ensure a long service life, even in harsh driving conditions.

The heater core measures approximately 21 inches in length, 10 inches in width, and 3 inches in height, making it a standard size for many GM models. The inlet and outlet connections are threaded, allowing for easy installation and removal. Additionally, the heater core comes with a gasket to ensure a tight seal and prevent coolant leaks.

When it comes to maintaining or replacing your vehicle's heater core, trust the OEM (Original Equipment Manufacturer) part from GM. The 13590315 heater core is designed to fit and function perfectly in your GM vehicle, ensuring optimal heating performance and efficiency.

Heater cores are essential components of a vehicle's heating system. A faulty heater core can cause several issues, including reduced heating performance, unpleasant odors, and even potential damage to other components. GM part number 13590315 is a heater core designed for certain GM vehicles. In this response, we will discuss the pros and cons of buying this specific heater core to help you make an informed decision.

1. OEM Quality: This heater core is an original equipment manufacturer (OEM) part, meaning it is manufactured by the same company that originally built the part for your vehicle. This ensures a perfect fit and optimal performance.

2. Warranty: OEM parts typically come with a warranty, providing peace of mind for the consumer. The length and specifics of the warranty may vary, so be sure to check with your parts supplier.

3. Availability: GM part number 13590315 is specifically designed for certain GM vehicles, making it readily available at GM dealerships and authorized parts retailers.

1. Cost: OEM parts, including heater cores, are often more expensive than aftermarket alternatives. This is due to the research, development, manufacturing, and distribution costs involved in producing an OEM part.

2. Longer Installation Time: Replacing an OEM heater core may take longer than an aftermarket part due to the need for specific tools and procedures. This could result in additional labor costs.

Ultimately, the decision to purchase GM part number 13590315 (or any other specific heater core) depends on your preferences and priorities. If you prioritize a perfect fit, optimal performance, and peace of mind, the OEM heater core may be the best choice for you. However, if you're looking to save on costs and have some experience with automotive repairs, an aftermarket heater core could be an alternative option.

1. Identify the make, model, and year of your vehicle.

2. Determine if your heater core is the specific GM part number 13590315.

3. Consider the pros and cons of an OEM heater core versus an aftermarket alternative.

4. Compare prices and warranties from various suppliers.

5. Weigh the importance of perfect fit, optimal performance, and cost savings in your decision.

By following these steps, you'll be well-equipped to make the best choice for your vehicle and budget.

Details:

Items are not returnable due to leakage of used seals and gaskets. The item may or not be what is pictured if multiple of items are listed available for purchase. The item size may be approximate. This was taken from a 2015 Chevrolet Silverado 3500hd 6.6 dramas diesel, crew cab long bed 4x4 automatic Allison transmission, cruise control with power locks, windows, manual seats mirrors.

This item may or not be the exact color as pictured due to lighting of pictures and fade age. If the item has a gasket or seal and is not listed as new, there no guarantee of sealing. Truck was driven down the road and inspected prior to part out. P/n: 13590315.

Hvac auxiliary quick heater core. This part is being sold as is, please see above pictures for condition.

specifications heatercoreco:

• brand: Gm
• mpn: 13590315
• type: Heater Core
• country of origin: United States

payments heatercoreco:

• other
• wallet: apple-pay
• credit card: diners-club

offer heatercoreco:

• in stock #: 1
• options: ship-to-home
• started: june 10, 2026
• price: $45.00
• item condition: Used
• sold #: 8
• availability: in stock

general heatercoreco:

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

returns heatercoreco:

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

shipping heatercoreco:

• type: calculated
• class: standard, expedited
• transit: 2-6 days
• service: usps ground advantage, ups ground, usps priority mail
• carrier: usps, ups

seller heatercoreco:

• # reviews: 2536
• rating: 99.8%
• city: spencer, ohio