Engine Coolant Thermostat O-Ring - GM (12551507)
Genuine OEM GM Parts & Accessories - 12551507
Engine Coolant Thermostat O-Ring - GM (12551507)
Genuine OEM GM Parts & Accessories - 12551507
- GM
- 12551507
- 12553106
Fast Delivery
Most in-stock items ship within 1–3 business days. Special orders may take longer.
OEM Parts. Wholesale Prices.
Genuine OEM parts with a nationwide warranty. Lowest pricing guaranteed.
Shop With Confidence
Secure checkout, verified fitment, and dealer-backed support from real parts experts.
- MSRP: $11.80
- You Save: $3.55 (30.1% off)
- Sale Price: $8.25
- MSRP: $11.80
- You Save: $3.55 (30.1% off)
- Sale Price: $8.25
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Also Purchased
- GM
- 12551507
- 12553106
Details
- Brand:
- SKU:
12551507
- Other Names:
Engine Coolant Thermostat Gasket
- Description: GM Genuine Parts Engine Coolant Thermostat O-Ring (Part Number: 12551507) is an OEM O-ring seal used to prevent coolant leakage at thermostat housings.
- Function: Seals thermostat housing to prevent coolant leaks and maintain system pressure.
- Benefits: OEM fit and material compatibility to ensure reliable sealing across specified engine families.
- Application: Used across multiple engines (including 4.3L, selected 6-cylinder and V8 applications) and thermostat designs.
- Also known as: Engine Coolant Thermostat Gasket
World Parts Direct — a U.S. based distributor — provides OEM seals with the best pricing, compatibility guarantee, and expert installation advice.
- Condition: New
- Notes: Seal included with thermostat.
- Applications: 5.7L.
- Replaces:
12553106
California Proposition 65
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov WorldPartsDirect.com
Thanks for shopping with World Parts Direct, home of the low-price and right-part-guarantee! Everything we carry is genuine, OEM and ships straight from a licensed dealership. All of our products are backed by a nationwide warranty and can be returned within 30 days if you no longer need it. What's the catch? There isn't one! Nobody beats our prices and nobody offers higher quality parts than we do, and if we cannot get the part you need, nobody can! We offer hundreds of thousands of unique items, including discontinued parts. Your satisfaction is our top priority and we hope you'll give us the opportunity to earn your business today.
GM
Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Engine Coolant Thermostat O-Ring for your vehicle. GM Parts & Accessories Limited Warranty.