Cylinder Head Gasket - GM (12688186)
Genuine OEM GM Parts & Accessories - 12688186
Cylinder Head Gasket - GM (12688186)
Genuine OEM GM Parts & Accessories - 12688186
- GM
- 12688186
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- MSRP: $121.06
- You Save: $45.51 (37.6% off)
- Sale Price: $75.55
- MSRP: $121.06
- You Save: $45.51 (37.6% off)
- Sale Price: $75.55

Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Also Purchased
- GM
- 12688186
Details
- Brand:
- SKU:
12688186
- Other Names:
Head Gasket
- Description: GM Genuine Parts Cylinder Head Gasket (Part Number: 12688186) is a factory-specified cylinder head gasket for heavy-duty Silverado and Sierra applications.
- Function: Seals the cylinder head to the engine block to preserve combustion chamber integrity and separate coolant and oil passages.
- Applications: Specified for Silverado/Sierra 2500 HD and 3500 HD diesel models where listed.
- Quality: Engineered and tested to GM standards for durability and reliability under high-temperature conditions.
World Parts Direct is an American corporation offering competitive pricing, compatibility guarantee, and OEM-backed warranty along with expert support.
- Condition: New
- Applications: 6.6L GAS.
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 Cylinder Head Gasket for your 2020-2026 vehicle. GM Parts & Accessories Limited Warranty.