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Engine Coolant Thermostat - GM (12559338)

Engine Coolant Thermostat - GM (12559338)

Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 12559338
  • 12551496

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    12559338

  • Other Names:

    Engine Coolant Thermostat, 780

  • Description:

    All models. 6.2l, diesel. All models. 6.5l diesel. 1st Design. Single Thermostat. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature.

    Genuine OEM GM 1988–1997 GM Engine Coolant Thermostat - 12559338

    Maintain optimal engine performance with the Genuine OEM GM Engine Coolant Thermostat, part number 12559338. Specifically designed for GM vehicles manufactured between 1988 and 1997, this thermostat ensures precise temperature regulation, keeping your engine running efficiently and preventing overheating or overcooling.

    • Durable Construction: Manufactured from high-quality materials, this thermostat is built to withstand extreme temperature fluctuations and provide long-lasting reliability.
    • Exact Fit for GM Vehicles: Engineered to meet GM’s precise specifications, ensuring seamless integration with your vehicle’s cooling system. Check your vehicle manual or consult a professional mechanic to confirm compatibility.
    • Consistent Temperature Control: Maintains optimal engine operating temperature for improved performance, efficiency, and longevity.

    Benefits of the Genuine OEM GM Engine Coolant Thermostat

    • Improved Engine Efficiency: Ensures the engine warms up quickly and maintains the ideal temperature for optimal fuel efficiency and reduced emissions.
    • Durable and Reliable: Built to GM’s exacting standards to provide dependable performance under demanding conditions.
    • Easy Installation: Direct-fit design simplifies installation, saving time for both professionals and DIY enthusiasts.

    Ideal for Mechanics and DIYers The Genuine OEM GM Engine Coolant Thermostat is designed for straightforward installation, whether you’re an experienced mechanic or a DIY enthusiast. Its OEM-grade precision ensures a perfect fit and hassle-free replacement.

    • Why Choose Genuine OEM GM Parts?
      • Guaranteed fit and compatibility for GM vehicles from 1988 to 1997.
      • Meets or exceeds GM’s strict quality and performance standards.
      • Provides the same trusted performance as factory-installed components.

    Protect your engine and ensure consistent performance with the Genuine OEM GM Engine Coolant Thermostat - 12559338. Order today to experience the quality and reliability of genuine GM parts, designed to keep your vehicle running at its best.


    4o


  • Condition: New
  • Applications: 5.0L, 5.7L, 6.2L, 6.5L, 7.4L, 8.1L.
  • Replaces:

    12551496

Discontinued Product

No Longer Available For Purchase

Sold In Individual Units
Manufacturer Warranty Minimum of 12 Months
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Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 12559338
  • 12551496

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    12559338

  • Other Names:

    Engine Coolant Thermostat, 780

  • Description:

    All models. 6.2l, diesel. All models. 6.5l diesel. 1st Design. Single Thermostat. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature.

    Genuine OEM GM 1988–1997 GM Engine Coolant Thermostat - 12559338

    Maintain optimal engine performance with the Genuine OEM GM Engine Coolant Thermostat, part number 12559338. Specifically designed for GM vehicles manufactured between 1988 and 1997, this thermostat ensures precise temperature regulation, keeping your engine running efficiently and preventing overheating or overcooling.

    • Durable Construction: Manufactured from high-quality materials, this thermostat is built to withstand extreme temperature fluctuations and provide long-lasting reliability.
    • Exact Fit for GM Vehicles: Engineered to meet GM’s precise specifications, ensuring seamless integration with your vehicle’s cooling system. Check your vehicle manual or consult a professional mechanic to confirm compatibility.
    • Consistent Temperature Control: Maintains optimal engine operating temperature for improved performance, efficiency, and longevity.

    Benefits of the Genuine OEM GM Engine Coolant Thermostat

    • Improved Engine Efficiency: Ensures the engine warms up quickly and maintains the ideal temperature for optimal fuel efficiency and reduced emissions.
    • Durable and Reliable: Built to GM’s exacting standards to provide dependable performance under demanding conditions.
    • Easy Installation: Direct-fit design simplifies installation, saving time for both professionals and DIY enthusiasts.

    Ideal for Mechanics and DIYers The Genuine OEM GM Engine Coolant Thermostat is designed for straightforward installation, whether you’re an experienced mechanic or a DIY enthusiast. Its OEM-grade precision ensures a perfect fit and hassle-free replacement.

    • Why Choose Genuine OEM GM Parts?
      • Guaranteed fit and compatibility for GM vehicles from 1988 to 1997.
      • Meets or exceeds GM’s strict quality and performance standards.
      • Provides the same trusted performance as factory-installed components.

    Protect your engine and ensure consistent performance with the Genuine OEM GM Engine Coolant Thermostat - 12559338. Order today to experience the quality and reliability of genuine GM parts, designed to keep your vehicle running at its best.


    4o


  • Condition: New
  • Applications: 5.0L, 5.7L, 6.2L, 6.5L, 7.4L, 8.1L.
  • Replaces:

    12551496

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

GMC Parts Pros

GMC Parts Pros is a factory-authorized source for genuine OEM GMC parts and accessories covering Sierra, Yukon, Yukon XL, Acadia, Terrain, Canyon, Savana, and Hummer EV. Every part ships from our dealership inventory with the manufacturer's warranty intact and is priced below MSRP. Filter by year, model, and trim in the vehicle selector to confirm fitment before you order, or call us now to have a parts specialist match the part to your VIN.

GM

Genuine GM parts are built to the exact specifications GMC engineers used on the assembly line, which is why they fit and perform like the originals. Aftermarket substitutes can compromise tolerances, durability, and warranty coverage on trucks and SUVs that are expected to tow, haul, and hold their value.