Apex AHG389 Engine Cylinder Head Gasket

Name: Apex AHG389 Engine Cylinder Head Gasket
Brand: Apex
SKU: FMVJ-AHG389
Price: 46.00 USD
Availability: InStock

168 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab, 9-7x, Ascender, Avalanche, Camaro, Canyon, Colorado, Corvette, CTS, Envoy, Envoy XL, Envoy XUV, Express 1500, Express 2500, Express 3500, Firebird, Grand Prix, GTO, H3, H3T, Impala, LaCrosse, Monte Carlo, Rainier, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Classic, Silverado 1500, Silverado 1500 Classic, Suburban 1500, Tahoe, Trailblazer, Trailblazer EXT, Yukon, and Yukon XL 1500

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Not what you need? See all Engine Cylinder Head Gasket options

Reliable Engine Cylinder Head Gasket for Select GM and Isuzu Models

The Apex AHG389 engine cylinder head gasket is designed to provide a precise seal for a range of vehicles including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab models. Engineered to meet OEM specifications, this gasket ensures proper sealing between the engine block and cylinder head to maintain optimal engine performance.

Compatible with multiple GM and Isuzu vehicles such as Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac CTS, and Hummer H3
Part number AHG389 for accurate identification and fitment
Constructed to withstand high temperatures and pressures within the combustion chamber
Designed to prevent coolant and oil leaks between engine components
Precision manufacturing for consistent thickness and durability

Product Details and Compatibility

The Apex AHG389 engine cylinder head gasket is suitable for a wide range of vehicles including the Chevrolet Avalanche, Camaro, Corvette, and Impala, as well as GMC Canyon, Envoy, and Sierra 1500 models. It also fits Buick LaCrosse and Pontiac GTO, among others. This gasket is engineered to maintain a tight seal under the demanding conditions of internal combustion engines, helping to prevent loss of compression and fluid leaks. The part number AHG389 ensures compatibility and ease of ordering for technicians and vehicle owners.

Common Applications and Problem Resolution

Seals the cylinder head to the engine block to maintain compression
Prevents coolant leaks that can cause engine overheating
Stops oil leaks that may lead to engine damage or contamination
Addresses engine misfires caused by gasket failure
Helps maintain engine efficiency and performance

Installation Notes and Tips

When installing the Apex AHG389 cylinder head gasket, ensure the mating surfaces of the engine block and cylinder head are clean and free of debris. Follow manufacturer torque specifications for cylinder head bolts to avoid warping or gasket damage. It is recommended to inspect the cylinder head and block for any signs of damage or warping before installation. Proper installation will help maintain the integrity of the seal and engine performance.

Quality Assurance and Warranty

Apex manufactures the AHG389 cylinder head gasket to meet industry standards for durability and performance. While specific warranty details are not provided, Apex products typically undergo rigorous quality control to ensure reliability in demanding engine environments. Using this gasket helps maintain engine integrity and reduces the risk of premature failure.

This part fits 168 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position
2017	Chevrolet	Express 2500	4.8L	V8	N/A
2017	Chevrolet	Express 3500	4.8L	V8	N/A
2017	GMC	Savana 2500	4.8L	V8	N/A
2017	GMC	Savana 3500	4.8L	V8	N/A
2016	Chevrolet	Express 2500	4.8L	V8	N/A
2016	Chevrolet	Express 3500	4.8L	V8	N/A
2016	GMC	Savana 2500	4.8L	V8	N/A
2016	GMC	Savana 3500	4.8L	V8	N/A
2015	Chevrolet	Express 2500	4.8L	V8	N/A
2015	Chevrolet	Express 3500	4.8L	V8	N/A
2015	GMC	Savana 2500	4.8L	V8	N/A
2015	GMC	Savana 3500	4.8L	V8	N/A
2014	Chevrolet	Express 1500	5.3L	V8	N/A
2014	Chevrolet	Express 2500	4.8L	V8	N/A
2014	Chevrolet	Express 3500	4.8L	V8	N/A
2014	Chevrolet	Suburban 1500	5.3L	V8	N/A
2014	Chevrolet	Tahoe	5.3L	V8	N/A
2014	GMC	Savana 1500	5.3L	V8	N/A
2014	GMC	Savana 2500	4.8L	V8	N/A
2014	GMC	Savana 3500	4.8L	V8	N/A
2014	GMC	Yukon	5.3L	V8	N/A
2014	GMC	Yukon XL 1500	5.3L	V8	N/A
2013	Chevrolet	Avalanche	5.3L	V8	N/A
2013	Chevrolet	Express 1500	5.3L	V8	N/A
2013	Chevrolet	Express 2500	4.8L	V8	N/A
2013	Chevrolet	Express 3500	4.8L	V8	N/A
2013	Chevrolet	Silverado 1500	4.8L	V8	N/A
2013	Chevrolet	Suburban 1500	5.3L	V8	N/A
2013	Chevrolet	Tahoe	5.3L	V8	N/A
2013	GMC	Savana 1500	5.3L	V8	N/A
2013	GMC	Savana 2500	4.8L	V8	N/A
2013	GMC	Savana 3500	4.8L	V8	N/A
2013	GMC	Sierra 1500	4.8L	V8	N/A
2013	GMC	Yukon	5.3L	V8	N/A
2013	GMC	Yukon XL 1500	5.3L	V8	N/A
2012	Chevrolet	Avalanche	5.3L	V8	N/A
2012	Chevrolet	Colorado	5.3L	V8	N/A
2012	Chevrolet	Express 1500	5.3L	V8	N/A
2012	Chevrolet	Express 2500	4.8L	V8	N/A
2012	Chevrolet	Express 3500	4.8L	V8	N/A
2012	Chevrolet	Silverado 1500	4.8L	V8	N/A
2012	Chevrolet	Suburban 1500	5.3L	V8	N/A
2012	Chevrolet	Tahoe	5.3L	V8	N/A
2012	GMC	Canyon	5.3L	V8	N/A
2012	GMC	Savana 1500	5.3L	V8	N/A
2012	GMC	Savana 2500	4.8L	V8	N/A
2012	GMC	Savana 3500	4.8L	V8	N/A
2012	GMC	Sierra 1500	4.8L	V8	N/A
2012	GMC	Yukon	5.3L	V8	N/A
2012	GMC	Yukon XL 1500	5.3L	V8	N/A
2011	Chevrolet	Avalanche	5.3L	V8	N/A
2011	Chevrolet	Colorado	5.3L	V8	N/A
2011	Chevrolet	Express 1500	5.3L	V8	N/A
2011	Chevrolet	Express 2500	4.8L	V8	N/A
2011	Chevrolet	Express 3500	4.8L	V8	N/A
2011	Chevrolet	Silverado 1500	4.8L	V8	N/A
2011	Chevrolet	Suburban 1500	5.3L	V8	N/A
2011	Chevrolet	Tahoe	5.3L	V8	N/A
2011	GMC	Canyon	5.3L	V8	N/A
2011	GMC	Savana 1500	5.3L	V8	N/A
2011	GMC	Savana 2500	4.8L	V8	N/A
2011	GMC	Savana 3500	4.8L	V8	N/A
2011	GMC	Sierra 1500	4.8L	V8	N/A
2011	GMC	Yukon	5.3L	V8	N/A
2011	GMC	Yukon XL 1500	5.3L	V8	N/A
2010	Chevrolet	Avalanche	5.3L	V8	N/A
2010	Chevrolet	Colorado	5.3L	V8	N/A
2010	Chevrolet	Express 1500	5.3L	V8	N/A
2010	Chevrolet	Express 2500	4.8L	V8	N/A
2010	Chevrolet	Express 3500	4.8L	V8	N/A
2010	Chevrolet	Silverado 1500	4.8L	V8	N/A
2010	Chevrolet	Suburban 1500	5.3L	V8	N/A
2010	Chevrolet	Tahoe	5.3L	V8	N/A
2010	GMC	Canyon	5.3L	V8	N/A
2010	GMC	Savana 1500	5.3L	V8	N/A
2010	GMC	Savana 2500	4.8L	V8	N/A
2010	GMC	Savana 3500	4.8L	V8	N/A
2010	GMC	Sierra 1500	4.8L	V8	N/A
2010	GMC	Yukon	5.3L	V8	N/A
2010	GMC	Yukon XL 1500	5.3L	V8	N/A
2010	Hummer	H3	5.3L	V8	N/A
2010	Hummer	H3T	5.3L	V8	N/A
2009	Buick	LaCrosse	5.3L	V8	N/A
2009	Chevrolet	Avalanche	5.3L	V8	N/A
2009	Chevrolet	Colorado	5.3L	V8	N/A
2009	Chevrolet	Express 1500	5.3L	V8	N/A
2009	Chevrolet	Express 2500	4.8L	V8	N/A
2009	Chevrolet	Express 3500	4.8L	V8	N/A
2009	Chevrolet	Impala	5.3L	V8	N/A
2009	Chevrolet	Silverado 1500	4.8L	V8	N/A
2009	Chevrolet	Suburban 1500	5.3L	V8	N/A
2009	Chevrolet	Tahoe	4.8L	V8	N/A
2009	GMC	Canyon	5.3L	V8	N/A
2009	GMC	Envoy	5.3L	V8	N/A
2009	GMC	Savana 1500	5.3L	V8	N/A
2009	GMC	Savana 2500	4.8L	V8	N/A
2009	GMC	Savana 3500	4.8L	V8	N/A
2009	GMC	Sierra 1500	4.8L	V8	N/A
2009	GMC	Yukon	4.8L	V8	N/A
2009	GMC	Yukon XL 1500	5.3L	V8	N/A
2009	Hummer	H3	5.3L	V8	N/A
2009	Hummer	H3T	5.3L	V8	N/A
2009	Saab	9-7x	5.3L	V8	N/A
2008	Buick	LaCrosse	5.3L	V8	N/A
2008	Chevrolet	Avalanche	5.3L	V8	N/A
2008	Chevrolet	Express 2500	4.8L	V8	N/A
2008	Chevrolet	Express 3500	4.8L	V8	N/A
2008	Chevrolet	Impala	5.3L	V8	N/A
2008	Chevrolet	Silverado 1500	4.8L	V8	N/A
2008	Chevrolet	Suburban 1500	5.3L	V8	N/A
2008	Chevrolet	Tahoe	4.8L	V8	N/A
2008	Chevrolet	Trailblazer	5.3L	V8	N/A
2008	GMC	Envoy	5.3L	V8	N/A
2008	GMC	Savana 1500	5.3L	V8	N/A
2008	GMC	Savana 2500	4.8L	V8	N/A
2008	GMC	Savana 3500	4.8L	V8	N/A
2008	GMC	Sierra 1500	4.8L	V8	N/A
2008	GMC	Yukon	4.8L	V8	N/A
2008	GMC	Yukon XL 1500	5.3L	V8	N/A
2008	Hummer	H3	5.3L	V8	N/A
2008	Pontiac	Grand Prix	5.3L	V8	N/A
2008	Saab	9-7x	5.3L	V8	N/A
2007	Buick	Rainier	5.3L	V8	N/A
2007	Chevrolet	Avalanche	5.3L	V8	N/A
2007	Chevrolet	Impala	5.3L	V8	N/A
2007	Chevrolet	Monte Carlo	5.3L	V8	N/A
2007	Chevrolet	Silverado 1500	4.8L	V8	N/A
2007	Chevrolet	Silverado 1500 Classic	5.3L	V8	N/A
2007	Chevrolet	Suburban 1500	5.3L	V8	N/A
2007	Chevrolet	Tahoe	4.8L	V8	N/A
2007	Chevrolet	Trailblazer	5.3L	V8	N/A
2007	GMC	Envoy	5.3L	V8	N/A
2007	GMC	Sierra 1500	4.8L	V8	N/A
2007	GMC	Sierra 1500 Classic	5.3L	V8	N/A
2007	GMC	Yukon	4.8L	V8	N/A
2007	GMC	Yukon XL 1500	5.3L	V8	N/A
2007	Pontiac	Grand Prix	5.3L	V8	N/A
2007	Saab	9-7x	5.3L	V8	N/A
2006	Buick	Rainier	5.3L	V8	N/A
2006	Chevrolet	Impala	5.3L	V8	N/A
2006	Chevrolet	Monte Carlo	5.3L	V8	N/A
2006	Chevrolet	Silverado 1500	5.3L	V8	N/A
2006	Chevrolet	Trailblazer	5.3L	V8	N/A
2006	Chevrolet	Trailblazer EXT	5.3L	V8	N/A
2006	GMC	Envoy	5.3L	V8	N/A
2006	GMC	Envoy XL	5.3L	V8	N/A
2006	GMC	Sierra 1500	5.3L	V8	N/A
2006	Isuzu	Ascender	5.3L	V8	N/A
2006	Pontiac	Grand Prix	5.3L	V8	N/A
2006	Saab	9-7x	5.3L	V8	N/A
2005	Buick	Rainier	5.3L	V8	N/A
2005	Cadillac	CTS	5.7L	V8	N/A
2005	Chevrolet	Silverado 1500	5.3L	V8	N/A
2005	Chevrolet	Trailblazer EXT	5.3L	V8	N/A
2005	GMC	Envoy	5.3L	V8	N/A
2005	GMC	Envoy XL	5.3L	V8	N/A
2005	GMC	Envoy XUV	5.3L	V8	N/A
2005	GMC	Sierra 1500	5.3L	V8	N/A
2005	Isuzu	Ascender	5.3L	V8	N/A
2005	Pontiac	Grand Prix	5.3L	V8	N/A
2005	Saab	9-7x	5.3L	V8	N/A
2004	Cadillac	CTS	5.7L	V8	N/A
2004	Chevrolet	Corvette	5.7L	V8	N/A
2004	Pontiac	GTO	5.7L	V8	N/A
2003	Chevrolet	Corvette	5.7L	V8	N/A
2002	Chevrolet	Camaro	5.7L	V8	N/A
2002	Chevrolet	Corvette	5.7L	V8	N/A
2002	Pontiac	Firebird	5.7L	V8	N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.