HIHIAV Valve Cover Gasket Set for GM 2.0L/2.5L Engines — Direct Fit 2013–2018, OEM Replacement

HIHIAV valve cover gasket 12635953 is a direct-fit replacement gasket set engineered to seal the valve cover on select 2.0L and 2.5L GM engines from 2013–2018.

This complete gasket set is designed for owners and repair technicians who need a reliable valve cover seal for Chevrolet, Buick, Cadillac and GMC models. It includes the primary gasket and related seals, packaged in a protective bag and box to prevent damage or loss in shipping. The set replaces several OEM part numbers so it’s suitable for routine maintenance or repair when oil leaks or aged seals are detected.

Which vehicles and engines will this gasket fit?

HIHIAV’s gasket set is matched to a range of GM 2.0L and 2.5L engines across multiple model years. Confirm fit by cross-referencing the part numbers listed with your vehicle’s VIN or service manual before ordering.

• Chevrolet: Malibu, Camaro, Colorado, Equinox, Impala, Traverse (2013–2018 depending on model and engine).
• Buick: Envision and Regal models with 2.0L and 2.5L engines (selected years 2014–2018).
• Cadillac: ATS, CT6, CTS with compatible 2.0L/2.5L engines (various years 2013–2018).
• GMC: Acadia, Canyon, Terrain variants using 2.0L or 2.5L engines (selected years 2015–2018).

How does this gasket set compare to original equipment?

This kit is manufactured to meet the dimensional and material expectations of OEM valve cover gaskets, offering a cost-effective replacement without sacrificing sealing performance. It replaces several common OEM numbers so installers can swap it in during routine service.

• Replaces OEM numbers: 12635953, 12627105, 12634516, 12635744, 636480, VS50752, 812030.
• Constructed from durable sealing materials to resist oil and engine heat.
• Supplied as a full set to ensure all required seals are included for a proper install.

What should I expect during installation and service intervals?

Installation is typical for valve cover gasket replacement: remove the valve cover, clean mating surfaces, and install the new gasket following torque specs. While this gasket addresses leaks when installed correctly, inspect surrounding components such as PCV valves and cover fasteners to prevent premature wear.

• Requires basic mechanical skill and standard hand tools; torque wrench recommended.
• Clean mating surfaces thoroughly and remove old gasket residue before fitting.
• Replace if oil seepage appears at the valve cover or during scheduled maintenance.

How is the product packaged and protected for delivery?

HIHIAV packages the gasket set in an inner protective bag and an outer box to reduce the risk of damage or missing pieces in transit. This double-packaging approach addresses common shipping issues reported by customers and ensures the set arrives intact.

• Inner sealed bag keeps gaskets clean and prevents movement.
• Outer box protects against crushing and punctures during shipping.
• Complete kit presentation helps verify contents on arrival.

Who is this for: This HIHIAV valve cover gasket set is intended for DIYers, independent mechanics and fleet service shops needing a dependable replacement for GM 2.0L and 2.5L engines from around 2013–2018. It’s a practical choice when your vehicle shows oil seepage at the valve cover or when performing scheduled engine maintenance, provided you verify compatibility with your vehicle’s exact model year and engine code.