GM GENUINE 12688943

Verified fitment Cylinder Head Gasket · Fits 43 Configurations

GM GENUINE part number 12688943 is a cylinder head gasket in the Engine system. This catalog matches it to 43 year-and-engine configurations from 2015 to 2026.

Verified fitment includes 2026 Chevrolet Corvette 6.2L V8 ; 2026 Chevrolet Corvette 6.2L V8 ELECTRIC/GAS ; 2026 Chevrolet Silverado 1500 6.2L V8 ; 2026 Chevrolet Suburban 6.2L V8 ; 2026 Chevrolet Tahoe 6.2L V8 , plus 38 other configurations. See every vehicle this part fits.

Manufacturer specifications

Fits:

8 Speed Automatic Dual Clutch TransmissionNew Head Bolts REQ'D When Head is RemovedExc. Sport Electrified Propulsion-Electric Front Axle(HP1)Emission System (NFD)

or:

8 Speed Automatic Dual Clutch TransmissionNew Head Bolts REQ'D When Head is RemovedExc. Sport Electrified Propulsion-Electric Front Axle(HP1)Euro 6E Emission System (NCE), Euro 6D Emission System (NCL)

or:

8 Speed Automatic Dual Clutch TransmissionNew Head Bolts REQ'D When Head is RemovedJapan WLTP Emission System (NM9), Tier 3 Federal Emission System (NTB), ULEV70 California Emissions (NUB)Exc. Sport Electrified Propulsion-Electric Front Axle(HP1)

Application data published for:

🇺🇸 US 🇨🇦 CA

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Frequently Asked Questions

What is GM GENUINE 12688943?

GM GENUINE part number 12688943 is a cylinder head gasket with published application data for 43 vehicle configurations from 2015 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does GM GENUINE 12688943 fit?

This catalog matches 12688943 to 43 year-and-engine configurations from 2015 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is GM GENUINE 12688943 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. GM GENUINE 12688943 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.

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