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AC Delco®
12T121D Professional Series Thermostat

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$24.49
$61.81Save: $37.32(60%)
Manufacturer #12T121D
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Brand:
Notes:
Includes seal; Thermostat only; OEM recommended temperature; Standard; With replacement late model water pump requiring separate thermostat and housing
Quantity Sold:
Sold individually
Warranty:
24-months or unlimited mile AC Delco limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material:
Stainless Steel
Opening Temperature Rating:
86 degrees C
Recommended Use:
OE Replacement
Series:
Professional Series

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1990 GMC C6000
C6D042
8 Cyl 6.0L
-
1990 GMC C7000
C7D042
8 Cyl 6.0L
-
1990 GMC C7000
C7D064
8 Cyl 6.0L
-
1990-1991 GMC B6000
B6P042
8 Cyl 6.0L
-
1990-1991 GMC C5000 Topkick
C5H042
8 Cyl 6.0L
-
Page 1 of 54 | Showing 1 - 5 of 269 results

Product Information

ACDELCO OE REPLACEMENT THERMOSTATS

The factory-original fit and lasting function of ACDelco’s OE replacement thermostats provide the perfect repair without breaking your budget. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

  • High-grade design delivers extended lifespan
  • Carefully formed to suit your specific vehicle
  • Engineered to exact OE standards
  • Has undergone stringent evaluation to guarantee proper fit and performance
Need help?Call our product expert1-866-529-0412
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Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

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