GMC OEM Exhaust Gaskets

Introduction

Exhaust gaskets are critical sealing components that help create leak-free connections throughout your GMC’s exhaust system. Positioned between exhaust manifolds, cylinder heads, catalytic converters, pipes, and other exhaust components, these gaskets help contain exhaust gases while supporting engine efficiency, emissions performance, and proper exhaust flow.

GMC exhaust gaskets are engineered for precise factory fitment, dependable sealing performance, and long-term durability. Genuine OEM exhaust gaskets are specifically designed to withstand extreme temperatures, pressure fluctuations, vibration, and constant exposure to exhaust gases while maintaining a secure seal under demanding operating conditions.

Over time, exhaust gaskets can deteriorate, crack, burn out, or lose their sealing capability due to heat cycles, corrosion, vibration, and normal engine operation. A failing exhaust gasket may cause exhaust leaks, increased engine noise, reduced efficiency, and emissions-related issues. Replacing worn components with genuine OEM GMC exhaust gaskets helps restore proper exhaust sealing, performance, and factory-level reliability.

Unlike many aftermarket alternatives, genuine OEM GMC exhaust gaskets are specifically designed for your vehicle’s engine configuration, exhaust system layout, and factory specifications.

Benefits of GMC OEM Exhaust Gaskets

Factory-engineered for precise GMC exhaust system fitment and compatibility

Provides reliable sealing between critical exhaust system components

Helps prevent exhaust leaks and loss of system efficiency

Supports proper exhaust flow and emissions performance

Designed to withstand extreme temperatures and pressure fluctuations

Durable materials built for long-term exposure to exhaust gases

Compatible with factory exhaust manifolds, pipes, and mounting hardware

Maintains original GMC engine performance and emissions system integrity

When to Replace Your GMC Exhaust Gaskets

Exhaust gaskets are exposed to continuous heat cycles, vibration, pressure changes, and harsh operating conditions during normal vehicle operation. Over time, gasket materials can degrade and lose their sealing effectiveness.

Failing exhaust gaskets can compromise exhaust system performance, increase noise levels, and affect engine efficiency. Replacing worn gaskets helps maintain dependable operation and proper exhaust system function.

Common signs include:

Excessive exhaust noise or ticking sounds from the engine bay

Visible exhaust leaks around gasket connection points

Reduced engine performance or fuel efficiency

Exhaust odors entering the cabin

Soot buildup around exhaust connections

Check engine light related to exhaust or emissions issues

Visible gasket deterioration or damage

For best results:

Replace worn exhaust gaskets with genuine OEM GMC components for factory-correct sealing performance and fitment

Inspect exhaust manifolds, pipes, fasteners, and mounting hardware during service

Verify proper torque specifications during installation

Address exhaust leaks early to help prevent emissions and performance-related issues

Find the Right GMC Exhaust Gaskets

Your GMC’s exhaust system depends on properly functioning sealing components designed to contain exhaust gases and maintain efficient operation. Genuine OEM GMC exhaust gaskets are engineered to provide dependable sealing performance, long-lasting durability, and factory-level reliability.

Whether you are repairing exhaust leaks, restoring system efficiency, or performing routine maintenance, genuine OEM GMC exhaust gaskets 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.

25919673 - : Exhaust Muffler Assembly with 3-Way Catalytic Converter, Insulator, and Gasket for GM Image

Exhaust Muffler Assembly with 3-Way Catalytic Converter, Insulator, and Gasket

Malibu. 3.5l. Without sporty chrome. 3.5L, 4 speed trans. Has the necessary components to service your vehicle's exhaust muffler Helps...
$1,086.44
MSRP $1,685.74
Save $599.30
35.6% Off
25923026 - : Exhaust Muffler Assembly with 3-Way Catalytic Converter, Insulator, and Gasket for GM Image

Exhaust Muffler Assembly with 3-Way Catalytic Converter, Insulator, and Gasket

Has the necessary components to service your vehicle's exhaust muffler Helps diminish the amount of noise emitted by your vehicle's...
$1,141.30
MSRP $1,770.87
Save $629.57
35.6% Off
25924125 - : Exhaust Muffler Assembly with 3-Way Catalytic Converter, Insulator, and Gasket for GM Image

Exhaust Muffler Assembly with 3-Way Catalytic Converter, Insulator, and Gasket

G6. 3.5l. Without sport package. 3.5L, base model, without flex fuel. Has the necessary components to service your vehicle's exhaust...
$671.51
MSRP $1,041.94
Save $370.43
35.6% Off
24576382 - : Gasket for GM Image

Gasket

With egr valve. All models. 2.4l.
$13.75
84941398 - : Rear Muffler Gasket for GM Image

Rear Muffler Gasket

5.3L. 5.3 & 6.2L.
$5.43
MSRP $7.73
Save $2.30
29.8% Off
26416290 - : Front Pipe Gasket for GM Image

Front Pipe Gasket

$1.79
MSRP $2.55
Save $0.76
29.8% Off
89018175 - : Exhaust Gas Recirculation (EGR) Valve Kit with Pipe, Connectors, and Gasket for GM Image

Exhaust Gas Recirculation (EGR) Valve Kit with Pipe, Connectors, and Gasket

Malibu, Malibu Maxx. 3.5l. 1st design. 3.5L, 2005-06. 3.5L, sedan. 3.5L, wagon. G6. 3.5l. 1st design. This GM Genuine Part is designed,...
$238.56
MSRP $407.80
Save $169.24
41.5% Off
25924124 - : Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket for GM Image

Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket

Has the necessary components to service your vehicle's exhaust muffler Helps diminish the amount of noise emitted by your vehicle's...
$697.07
MSRP $1,028.14
Save $331.07
32.2% Off
20818630 - : Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket for GM Image

Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket

Aura. 2.4l. 2.4L, california. Has the necessary components to service your vehicle's exhaust muffler Helps diminish the amount of noise...
$1,159.64
MSRP $1,703.54
Save $543.90
31.9% Off
25923025 - : Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket for GM Image

Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket

Has the necessary components to service your vehicle's exhaust muffler Helps diminish the amount of noise emitted by your vehicle's...
$926.98
MSRP $1,361.76
Save $434.78
31.9% Off
25919661 - : Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket for GM Image

Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket

3.6L. Has the necessary components to service your vehicle's exhaust muffler Helps diminish the amount of noise emitted by your...
$1,106.59
MSRP $1,632.14
Save $525.55
32.2% Off
25919667 - : Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket for GM Image

Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipe, Insulators, and Gasket

3.6L. Has the necessary components to service your vehicle's exhaust muffler Helps diminish the amount of noise emitted by your...
$1,486.76
MSRP $2,184.10
Save $697.34
31.9% Off

No results found for "Exhaust Gasket". 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!