Shopping Cart

Your cart is empty.

Your cart is empty.

ACDelco GM Original Equipment 15-81889 Engine-Coolant Thermostat and Housing Assembly

Free shipping on orders over $29.99

$78.26

$ 33 .99 $33.99

In Stock

About this item

  • Repairs leaking thermostat housings
  • GM-recommended replacement part for your GM vehicleÆs original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function



From the manufacturer

Certainty Starts Here

THREE TIERS OF A PREMIUM PORTFOLIO

GM OE

GM ORIGINAL EQUIPMENT

GM Genuine Parts and ACDelco Original Equipment are the true OE parts installed during production or validated by General Motors for GM vehicles. These maintenance, repair, powertrain and collision components are designed and engineered to meet rigorous standards set by General Motors.

ACDelco Gold

GOLD

ACDelco Gold parts are the high-quality alternative to OE parts. These parts are manufactured to meet expectations for fit, form and function, making them a smart choice for General Motors vehicles and many makes and models, including special applications.

ACDelco Silver

SILVER

ACDelco Silver parts are high-quality, high-value options for General Motors vehicles, as well as for most makes and models.

Our History

OUR HISTORY – OUR ROOTS EMPOWER US

ACDelco has been at the forefront of automotive innovation since the birth of GM in 1908. Since then, we’ve helped a woman fly around the world and a man traverse the surface of the moon.

However, our history isn’t half as promising as our future. We continue forward with GM Genuine Parts by our side. From the assembly line to the finish line, we’re building innovation and improvement on a foundation of GM Original Equipment.

GM Genuine Parts and ACDelco are proud to work together as the only source for true General Motors Original Equipment and aftermarket parts – past, present and future.


Revere
Reviewed in the United States on March 2, 2025
Original thermostat stuck open making it stay cold randomly and kick fan on. Swapped and fixed the issue. Took couple hrs.
Guido Sarducci
Reviewed in the United States on February 27, 2025
This is the exact same OEM thermostat you get from your local dealer for twice the price. Thanks for the good deal!
R S Thompson
Reviewed in the United States on January 29, 2025
Perfect replacement for the OEM part
Erin Bowman
Reviewed in the United States on January 18, 2025
Best deal I found. It works as it should. Fit properly.
Customer
Reviewed in the United States on August 5, 2024
This part fit my Chevy Colorado with no issues. Fixed the problem and no other issues since. Great product at a great price.
Manuel Galeano
Reviewed in the United States on December 26, 2024
Fixed the temperature issues on my Chevy Colorado, now it reaches the correct operating temperature and the annoying issue of the temperature dropping on high speeds is gone.
Danny Deez
Reviewed in the United States on November 5, 2024
Good OEM thermostat that fits perfect and works as it should.
Alejandro Cuellar
Reviewed in the United States on November 10, 2024
Fit on my truck like a glove and it solve my problem
Recommended Products

$14.42

$ 6 .99 $6.99

4.4
Select Option