Apex AMS3850 Engine Intake Manifold Gasket Set

Name: Apex AMS3850 Engine Intake Manifold Gasket Set
Brand: Apex
SKU: FMVJ-AMS3850
Price: 54.65 USD
Availability: InStock

256 vehicles fit this part

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

$54.65Free Shipping

Free ShippingNo Cost to Continental U.S.

Free Returns*Wrong fit? No cost

60-Day ReturnsMoney back guarantee

*Free return shipping only qualifies if our fitment verification tool is used.

In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.

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

Fitment: Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Saab, 9-7x, Ascender, Avalanche, Avalanche 1500, Canyon, Colorado, Envoy, Envoy XL, Envoy XUV, Escalade, Escalade ESV, Escalade EXT, Express 1500, Express 2500, Express 3500, H2, H3, H3T, Rainier, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD, Sierra 1500 HD Classic, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD, Silverado 1500 HD Classic, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, SSR, Suburban 1500, Suburban 2500, Tahoe, Trailblazer, Trailblazer EXT, Yukon, Yukon XL 1500, and Yukon XL 2500

Easy Returns — Return within 60 days for a full refund

Fast Shipping — Most orders ship same business day before 1pm CST

Not what you need? See all Engine Intake Manifold Gasket Set options

Reliable Engine Intake Manifold Gasket Set for GM and Related Vehicles

The Apex AMS3850 Engine Intake Manifold Gasket Set is designed for precise fitment on a range of GM and related vehicles including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Saab models. This gasket set ensures a proper seal between the intake manifold and engine block, helping maintain engine performance and prevent leaks.

Compatible with multiple GM makes and models such as Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, and Hummer H3
Engineered to meet OEM specifications for reliable sealing and durability
Includes all necessary gaskets for intake manifold sealing
Part number AMS3850 for easy identification and ordering
Designed to withstand engine heat and pressure for long-lasting performance

Product Details and Compatibility

The Apex AMS3850 gasket set is specifically manufactured to fit a wide range of vehicles including Buick Rainier, Cadillac Escalade EXT, Chevrolet Avalanche 1500, GMC Yukon XL 2500, Hummer H2, Isuzu Ascender, and Saab 9-7x. This ensures compatibility with various engine configurations found in these models. The gasket set provides a tight seal to prevent air and coolant leaks that can affect engine efficiency and emissions. Using this gasket set helps maintain proper engine vacuum and fuel mixture, which is critical for optimal engine operation.

Common Applications and Issues Addressed

Sealing intake manifold to prevent vacuum leaks
Eliminating coolant leaks around the intake manifold area
Reducing engine misfires caused by intake gasket failure
Preventing contamination of intake air with oil or coolant
Maintaining engine performance and fuel efficiency

Installation Notes and Tips

When installing the Apex AMS3850 intake manifold gasket set, ensure the mating surfaces are clean and free of old gasket material or debris. Proper torque specifications should be followed to avoid warping the intake manifold or damaging the gasket. It is recommended to inspect the intake manifold and surrounding components for cracks or damage before installation. Using the correct gasket set for your specific make and model, such as Chevrolet Silverado 1500 or GMC Sierra 2500 HD, will help ensure a proper fit and seal.

Quality Assurance and Warranty

Apex manufactures the AMS3850 gasket set to meet or exceed OEM standards, providing reliable sealing performance under normal operating conditions. While specific warranty details are not provided, Apex products typically undergo quality control testing to ensure durability and fitment accuracy. Using genuine or OEM-equivalent gaskets like the AMS3850 helps maintain engine integrity and reduces the risk of premature failure.

This part fits 256 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Fuel Type	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	Cadillac	Escalade	6.0L	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	Cadillac	Escalade	6.0L	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	Cadillac	Escalade	6.0L	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	Cadillac	Escalade	6.0L	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	Cadillac	Escalade	6.0L	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	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	Chevrolet	Trailblazer	6.0L	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	Chevrolet	Avalanche	5.3L	V8		N/A
2008	Chevrolet	Express 1500	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	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	Saab	9-7x	5.3L	V8		N/A
2007	Chevrolet	Avalanche	5.3L	V8		N/A
2007	Chevrolet	Express 1500	5.3L	V8		N/A
2007	Chevrolet	Express 2500	4.8L	V8		N/A
2007	Chevrolet	Express 3500	4.8L	V8		N/A
2007	Chevrolet	Silverado 1500	4.8L	V8		N/A
2007	Chevrolet	Silverado 1500 Classic	4.8L	V8		N/A
2007	Chevrolet	Silverado 1500 HD Classic	6.0L	V8		N/A
2007	Chevrolet	Silverado 2500 HD Classic	6.0L	V8		N/A
2007	Chevrolet	Silverado 3500 Classic	6.0L	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	Savana 1500	5.3L	V8		N/A
2007	GMC	Savana 2500	4.8L	V8		N/A
2007	GMC	Savana 3500	4.8L	V8		N/A
2007	GMC	Sierra 1500	4.8L	V8		N/A
2007	GMC	Sierra 1500 Classic	4.8L	V8		N/A
2007	GMC	Sierra 1500 HD Classic	6.0L	V8		N/A
2007	GMC	Sierra 2500 HD Classic	6.0L	V8		N/A
2007	GMC	Sierra 3500 Classic	6.0L	V8		N/A
2007	GMC	Yukon	4.8L	V8		N/A
2007	GMC	Yukon XL 1500	5.3L	V8		N/A
2007	Hummer	H2	6.0L	V8		N/A
2007	Saab	9-7x	5.3L	V8		N/A
2006	Cadillac	Escalade	6.0L	V8		N/A
2006	Cadillac	Escalade ESV	6.0L	V8		N/A
2006	Cadillac	Escalade EXT	6.0L	V8		N/A
2006	Chevrolet	Avalanche 1500	5.3L	V8		N/A
2006	Chevrolet	Express 1500	5.3L	V8		N/A
2006	Chevrolet	Express 2500	4.8L	V8		N/A
2006	Chevrolet	Express 3500	4.8L	V8		N/A
2006	Chevrolet	Silverado 1500	4.8L	V8		N/A
2006	Chevrolet	Silverado 1500 HD	6.0L	V8		N/A
2006	Chevrolet	Silverado 2500 HD	6.0L	V8		N/A
2006	Chevrolet	Silverado 3500	6.0L	V8		N/A
2006	Chevrolet	SSR	6.0L	V8		N/A
2006	Chevrolet	Suburban 1500	5.3L	V8		N/A
2006	Chevrolet	Suburban 2500	6.0L	V8		N/A
2006	Chevrolet	Tahoe	4.8L	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	Savana 1500	5.3L	V8		N/A
2006	GMC	Savana 2500	4.8L	V8		N/A
2006	GMC	Savana 3500	4.8L	V8		N/A
2006	GMC	Sierra 1500	4.8L	V8		N/A
2006	GMC	Sierra 1500 HD	6.0L	V8		N/A
2006	GMC	Sierra 2500 HD	6.0L	V8		N/A
2006	GMC	Sierra 3500	6.0L	V8		N/A
2006	GMC	Yukon	4.8L	V8		N/A
2006	GMC	Yukon XL 1500	5.3L	V8		N/A
2006	GMC	Yukon XL 2500	6.0L	V8		N/A
2006	Hummer	H2	6.0L	V8		N/A
2006	Isuzu	Ascender	5.3L	V8		N/A
2006	Saab	9-7x	5.3L	V8		N/A
2005	Cadillac	Escalade	5.3L	V8		N/A
2005	Cadillac	Escalade ESV	6.0L	V8		N/A
2005	Cadillac	Escalade EXT	6.0L	V8		N/A
2005	Chevrolet	Avalanche 1500	5.3L	V8		N/A
2005	Chevrolet	Express 1500	5.3L	V8		N/A
2005	Chevrolet	Express 2500	4.8L	V8		N/A
2005	Chevrolet	Express 3500	4.8L	V8		N/A
2005	Chevrolet	Silverado 1500	4.8L	V8		N/A
2005	Chevrolet	Silverado 1500 HD	6.0L	V8		N/A
2005	Chevrolet	Silverado 2500 HD	6.0L	V8		N/A
2005	Chevrolet	Silverado 3500	6.0L	V8		N/A
2005	Chevrolet	SSR	6.0L	V8		N/A
2005	Chevrolet	Suburban 1500	5.3L	V8		N/A
2005	Chevrolet	Suburban 2500	6.0L	V8		N/A
2005	Chevrolet	Tahoe	4.8L	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	Savana 1500	5.3L	V8		N/A
2005	GMC	Savana 2500	4.8L	V8		N/A
2005	GMC	Savana 3500	4.8L	V8		N/A
2005	GMC	Sierra 1500	4.8L	V8		N/A
2005	GMC	Sierra 1500 HD	6.0L	V8		N/A
2005	GMC	Sierra 2500 HD	6.0L	V8		N/A
2005	GMC	Sierra 3500	6.0L	V8		N/A
2005	GMC	Yukon	4.8L	V8		N/A
2005	GMC	Yukon XL 1500	5.3L	V8		N/A
2005	GMC	Yukon XL 2500	6.0L	V8		N/A
2005	Hummer	H2	6.0L	V8		N/A
2005	Isuzu	Ascender	5.3L	V8		N/A
2005	Saab	9-7x	5.3L	V8		N/A
2004	Buick	Rainier	5.3L	V8		N/A
2004	Cadillac	Escalade	5.3L	V8		N/A
2004	Cadillac	Escalade ESV	6.0L	V8		N/A
2004	Cadillac	Escalade EXT	6.0L	V8		N/A
2004	Chevrolet	Avalanche 1500	5.3L	V8		N/A
2004	Chevrolet	Express 1500	5.3L	V8		N/A
2004	Chevrolet	Express 2500	4.8L	V8		N/A
2004	Chevrolet	Express 3500	4.8L	V8		N/A
2004	Chevrolet	Silverado 1500	4.8L	V8		N/A
2004	Chevrolet	Silverado 2500	6.0L	V8		N/A
2004	Chevrolet	Silverado 2500 HD	6.0L	V8		N/A
2004	Chevrolet	Silverado 3500	6.0L	V8		N/A
2004	Chevrolet	SSR	5.3L	V8		N/A
2004	Chevrolet	Suburban 1500	5.3L	V8		N/A
2004	Chevrolet	Suburban 2500	6.0L	V8		N/A
2004	Chevrolet	Tahoe	4.8L	V8		N/A
2004	Chevrolet	Trailblazer EXT	5.3L	V8		N/A
2004	GMC	Envoy XL	5.3L	V8		N/A
2004	GMC	Envoy XUV	5.3L	V8		N/A
2004	GMC	Savana 1500	5.3L	V8		N/A
2004	GMC	Savana 2500	4.8L	V8		N/A
2004	GMC	Savana 3500	4.8L	V8		N/A
2004	GMC	Sierra 1500	4.8L	V8		N/A
2004	GMC	Sierra 2500	6.0L	V8		N/A
2004	GMC	Sierra 2500 HD	6.0L	V8		N/A
2004	GMC	Sierra 3500	6.0L	V8		N/A
2004	GMC	Yukon	4.8L	V8		N/A
2004	GMC	Yukon XL 1500	5.3L	V8		N/A
2004	GMC	Yukon XL 2500	6.0L	V8		N/A
2004	Hummer	H2	6.0L	V8		N/A
2004	Isuzu	Ascender	5.3L	V8		N/A
2003	Chevrolet	Silverado 1500	5.3L	V8	FLEX	N/A
2003	Chevrolet	Suburban 1500	5.3L	V8	FLEX	N/A
2003	Chevrolet	Tahoe	5.3L	V8	FLEX	N/A
2003	GMC	Sierra 1500	5.3L	V8	FLEX	N/A
2003	GMC	Yukon	5.3L	V8	FLEX	N/A
2003	GMC	Yukon XL 1500	5.3L	V8	FLEX	N/A
2002	Chevrolet	Silverado 1500	5.3L	V8	FLEX	N/A
2002	Chevrolet	Suburban 1500	5.3L	V8	FLEX	N/A
2002	Chevrolet	Tahoe	5.3L	V8	FLEX	N/A
2002	GMC	Sierra 1500	5.3L	V8	FLEX	N/A
2002	GMC	Yukon	5.3L	V8	FLEX	N/A
2002	GMC	Yukon XL 1500	5.3L	V8	FLEX	N/A

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