ACEEK00031-Chevrolet GMC Front & Rear Thermostat 2 Piece Set ACDelco ACEEK00031
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Replaces

6

2012 GMC Sierra 2500 HD V8 6.6L Front & Rear Thermostat 2 Piece Set ACDelco ACEEK00031

01-15 Silverado, Sierra w/Duramax Diesel 6.6L Front & Rear Thermostat PAIR (AC Delco)
$ 114.95
$155.95
26% OFF
$155.95
26% OFF
FREE SAME DAY SHIPPING
AC DELCO
ACEEK00031
In Stock

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AC DELCO
ACEEK00031
In Stock
Product Reviews
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5.00/ 5.0 6
2012 Chevy Silverado 2500hd Duramax ltz
Marion
March 12, 2020
Truck would not warm up to operating temperature. Purchased new OEM thermostats from your online store. Perfect fit, good packaging. Truck is fixed. Thank you.
good quality
T
October 20, 2020
Delivered early and fit perfectly
ACEEK00031-Chevrolet GMC Front & Rear Thermostat Pair
Raul
May 7, 2021
Arrived on time. Fit and works perfect, as described. Good price.
EARL
November 30, 2023
They arrive promptly as anticipated, looked identical to the manufacturers product, fit perfectly, and performing well
Duramax Thermostats
Larry
April 16, 2024
Fast delivery, good price. Just as advertised.
Great quality
Tyler
October 17, 2024
Great quality, have had them in my truck for over a year with no issues!
Customer Q&A
Does this come with the 2 o rings, so a total of 4 parts?
August 11, 2020
Jacob C
10
This comes with just the 2 thermostats with a black gasket on each. Thank you for the inquiry!
August 11, 2020
Andra M
Did your thermostat s come with gaskets ?
November 12, 2020
Mike W
10
This comes with just the 2 thermostats with a black gasket on each.
November 13, 2020
Christa R
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Saturday - Sunday 8:00am - 4:30pm ET

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Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
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Before proceeding,

select your Vehicle, to verify this Part will fit.

If your vehicle isn't listed, search Thermostat & Housing

This part will only fit a 2012 GMC Sierra 2500 HD with these options.

If your option isn't listed search Thermostat & Housing

Before proceeding,

select your Vehicle, to verify this Part will fit.

If your vehicle isn't listed, search Thermostat & Housing

This part will only fit a 2012 GMC Sierra 2500 HD with these options.

If your option isn't listed search Thermostat & Housing