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Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle
Vehicle Info Required to Guarantee FitAdd Vehicle

AC Delco®
131-120 GM Original Equipment Series Thermostat

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$19.99
$42.88Save: $22.89(53%)
Manufacturer #131-120
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Part:
Thermostat
Brand:
AC Delco
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:
91 degrees C
Recommended Use:
OE Replacement
Series:
GM Original Equipment Series

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1998 Buick Regal
25th Anniversary Edition
6 Cyl 3.8L
-
1998 Oldsmobile Intrigue
Base
6 Cyl 3.8L
-
1998 Oldsmobile Regency
Base
6 Cyl 3.8L
-
1998-1999 Buick Riviera
Base
6 Cyl 3.8L
-
1998-1999 Chevrolet Lumina
LTZ
6 Cyl 3.8L
-
Page 1 of 11 | Showing 1 - 5 of 54 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
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
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.

Product Q&A

0
Does this come with the Gasket?Justin N.Mar 13, 2022
Best Answer:Hi Justin, I'm glad to assist you. The seal is at the base already around the sides. This should be plug-and-play once you receive it. Grab our sale price offer and click the link below to order today. I hope this helps. Happy shopping. <a href="https://www.carparts.com/thermostat/ac-delco/ac131120?can=CPJE1043_20220313" target="_blank">https://www.carparts.com/thermostat/ac-delco/ac131120?can=CPJE1043_20220313</a>
Jeonino E.STAFFMar 13, 2022
0
Where is thermostat located on 98 Pontiac firebird 3.8 ?RenstarMay 14, 2024
Best Answer:Hi Karen, Thanks for initiating contact. The thermostat on a 1998 Pontiac Firebird 3.8L is located in the cooling system, specifically in the thermostat housing or water outlet. It can also be on the lower part of the engine block, where the upper radiator hose connects to the engine. Don't miss this opportunity to save big! Click the link below to order and enjoy our special sale price and limited stocks. Happy shopping! <a href="https://www.carparts.com/thermostat/ac-delco/ac131120?can=CPGG4850_CSQA_20240514" target="_blank">https://www.carparts.com/thermostat/ac-delco/ac131120?can=CPGG4850_CSQA_20240514</a>
Grace G.STAFFMay 14, 2024
0
Does this part come with gaskets a the other things that are needed to install?  Sorry if dumb question I am a grandmaw and I don’t knowPenny B.Mar 11, 2024
Best Answer:Hi Penny, I'm glad to assist you. Yes, it does. Click on the link below for direct ordering to take advantage of our ongoing discount and limited stocks. I hope this helps, and happy shopping. <a href="https://www.carparts.com/thermostat/ac-delco/ac131120?can=CPAE1047_CSQA_20240311" target="_blank">https://www.carparts.com/thermostat/ac-delco/ac131120?can=CPAE1047_CSQA_20240311</a>
Arnel E.STAFFMar 11, 2024
0
What temp do I need 2 buy ?Bruce M.Feb 21, 2021
Best Answer:Hi Bruce, Please check your vehicle manual for the thermostat recommendations. I also recommend reaching out to your local dealership, parts department. They may be able to help.
Aldrin P.STAFFFeb 21, 2021
0
does it come with gasket?A shopperSep 18, 2020
Best Answer:Hi, The gasket is not included, it is sold separately.
Grace G.STAFFSep 18, 2020

Customer Reviews

Gm Original Equipment Series Thermostat
Perfect fit
Perfect Fit actual OEM GM parts. Side note Gasket was included and installed with this thermostat. The Monte Carlo is running like a champ. Thanks again for speedy delivery
Justin N.
VERIFIED PURCHASER
Purchased on Mar 13, 2022
Gm Original Equipment Series Thermostat
Fit perfect and great price!!! You can't beat <a href="http://carparts.com" target="_blank">carparts.com</a> anywhere!!! Highly recommend!!!!!😁 Ships super fast too!
David F.
VERIFIED PURCHASER
Purchased on Oct 23, 2022
Gm Original Equipment Series Thermostat
Works great and install was easy
Logan M.
VERIFIED PURCHASER
Purchased on Feb 14, 2024