Based in the USA

USA

GMC OEM Valve Covers

Introduction

Valve covers are essential engine components that protect the valve train assembly while helping seal engine oil within the cylinder head. Positioned above the valves, rocker arms, camshafts, and other valve train components, valve covers play a vital role in maintaining proper engine lubrication and protection while keeping contaminants out of critical engine systems.

GMC valve covers are engineered for precise factory fitment, dependable sealing performance, and long-term durability. Genuine OEM valve covers are specifically designed to integrate seamlessly with your vehicle’s cylinder heads, gaskets, PCV system, ignition components, and engine management systems to maintain reliable engine operation.

Over time, valve covers can crack, warp, corrode, or develop sealing issues due to heat cycles, vibration, oil exposure, and normal engine wear. Damaged valve covers may lead to oil leaks, contamination, engine odors, and reduced engine reliability. Replacing worn components with genuine OEM GMC valve covers helps restore proper engine sealing, oil containment, and factory-level performance.

Unlike many aftermarket alternatives, genuine OEM GMC valve covers are specifically designed for your vehicle’s engine configuration, mounting specifications, and factory requirements.

Benefits of GMC OEM Valve Covers

Factory-engineered for precise GMC engine fitment and compatibility

Provides reliable sealing to help prevent oil leaks

Protects valve train components from dirt, debris, and contaminants

Designed to integrate seamlessly with OEM gaskets, ignition systems, and engine components

Durable construction built to withstand heat, vibration, and oil exposure

Supports proper crankcase ventilation and engine operation

Compatible with factory mounting hardware and sealing systems

Maintains original GMC engine reliability and performance

When to Replace Your GMC Valve Covers

Valve covers are exposed to continuous heat cycles, vibration, pressure fluctuations, and oil exposure during normal engine operation. Over time, the cover material and sealing surfaces may deteriorate or become damaged.

Failing valve covers can compromise engine sealing, increase oil loss, and negatively affect engine cleanliness and reliability. Replacing worn components helps maintain proper lubrication and long-term engine protection.

Common signs include:

Oil leaks around the valve cover area

Burning oil smell coming from the engine compartment

Visible cracks, warping, or physical damage

Oil residue on the engine or surrounding components

Deteriorated valve cover gasket sealing surfaces

Engine misfires caused by oil contamination near ignition components

Excessive dirt or contamination around exposed engine areas

For best results:

Replace worn valve covers with genuine OEM GMC components for factory-correct fitment and sealing performance

Inspect valve cover gaskets, PCV components, and surrounding engine parts during service

Verify proper torque specifications during installation

Address oil leaks early to help prevent additional engine damage and contamination

Find the Right GMC Valve Covers

Your GMC’s engine depends on properly functioning sealing components designed to protect internal systems and maintain reliable lubrication performance. Genuine OEM GMC valve covers are engineered to provide dependable sealing, long-lasting durability, and factory-level engine protection.

Whether you are repairing oil leaks, restoring engine reliability, or replacing damaged components, genuine OEM GMC valve covers help deliver the fitment, durability, and performance your vehicle was designed to provide.

VIP Promise

VIP Promise

Factory OEM parts. Verified fit. Trusted support.

Manufacturer Warranty

Full Manufacturer Warranty

Genuine parts backed by factory warranty.

Guaranteed Fit

Guaranteed Fit

Submit your VIN. We confirm fit before shipping.

Returns

30 Day Returns

30 days from delivery.

Largest OEM Catalog

Largest OEM Catalog

One of the largest OEM inventories online.

Expert Support

Expert Support

Specialists ready to help.

12655399 - : Positive Crankcase Ventilation (PCV) Valve for GM Image

Positive Crankcase Ventilation (PCV) Valve

Front. One way valve. Side of valve cover. Secondary (top). Center. Malibu. 2.0l. Blazer. 2.5l. Flow control valve. Helps remove...
$22.51
MSRP $38.48
Save $15.97
41.5% Off
19434412 - : Engine for GM Image

Engine

ENGINE (19434412) Built to perform, the LSX376-B15 engine is specifically designed for builders aiming to maximize the performance...
$14,563.24
MSRP $17,493.39
Save $2,930.15
16.8% Off
94173412 - : Multi-Purpose O-Ring***sold individually*** for GM Image

Multi-Purpose O-Ring***sold individually***

Oil Pressure Relief Valve to Timing Cover. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$3.46
MSRP $5.92
Save $2.46
41.6% Off
19433041 - : Engine for GM Image

Engine

CHEVROLET PERFORMANCE'S ICONIC 350-BASED "ZZ" ENGINE FAMILY CONTINUES THE LEGACY Chevrolet Performance's new ZZ6 delivers more power...
$9,888.73
MSRP $11,878.36
Save $1,989.63
16.8% Off
19435604 - : Engine for GM Image

Engine

HIGH-REVVING PERFORMANCE AND DURABILITY Chevrolet Performance's CT400 racing crate engine now features Fast Burn cylinder heads with...
$10,527.28
MSRP $12,645.39
Save $2,118.11
16.8% Off
19435445 - : Engine for GM Image

Engine

THE ULTIMATE 'ZZ' 350-BASED CRATE ENGINE FROM CHEVROLET PERFORMANCE! Chevrolet Performance's all-new ZZ6 is one of the most powerful...
$14,668.89
MSRP $17,620.30
Save $2,951.41
16.8% Off
19432779 - : Chevrolet Performance GM Replacement Small Block Chevy Crate Engine [1996-2002 L31 HD Vortec 350 ci/5.7L V8] for GM Image

Chevrolet Performance GM Replacement Small Block Chevy Crate Engine [1996-2002 L31 HD Vortec 350 ci/5.7L V8]

All models. 5.7l. Express, savana. 5.7l. With 4l80e trans. Express, savana. 5.0l. Discover the Powerhouse of Performance: Chevrolet...
$5,835.56
MSRP $5,841.40
Save $5.84
0.1% Off
23473653 - : Valve Stem Caps (Logo W/O Wreath for GM Image

Valve Stem Caps (Logo W/O Wreath

Add a subtle hint of style to your tires with these Custom Valve Caps. Sold in a set of 4 and available in two designs. Cadillac logo...
$21.94
MSRP $25.00
Save $3.06
12.2% Off
23473652 - : Valve Stem Caps (Logo W/O Wreath for GM Image

Valve Stem Caps (Logo W/O Wreath

Add a subtle hint of style to your tires with these Custom Valve Caps. Sold in a set of 4 and available in two designs. Cadillac logo...
$21.94
MSRP $25.00
Save $3.06
12.2% Off
9417745 - : Tire Valve Stem Extension for GM Image

Tire Valve Stem Extension

GM 9417745
Steel, without wheel cover. 4wd type 1. 4wd, without Typhoon. 19.5x6 10 lug steel wheels. 7/8" long. Aluminum wheels. 7/8" long. 4wd...
$4.36
MSRP $6.19
Save $1.83
29.6% Off
19115592 - : Turbocharger Wastegate Regulator Valve Solenoid Pigtail for GM Image

Turbocharger Wastegate Regulator Valve Solenoid Pigtail

Protective outer coverings help provide long-lasting durability Color-coded wires allow for easy installation Genuine OEM GM...
$66.20
MSRP $113.16
Save $46.96
41.5% Off
19259452 - : Throttle Position Sensor Kit with Clips and Cover for GM Image

Throttle Position Sensor Kit with Clips and Cover

Throttle actuator. Avalanche, Escalade EXT. Electronically informs the ECM of the throttle valve angle Used to regulate the fuel and...
$119.63
MSRP $204.50
Save $84.87
41.5% Off

No results found for "Valve Cover". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!