Best Dnj Valve Cover Gasket Sets in 2026

Designed, engineered and tested for GM vehicles

Precise fit for ease of installation

For proper installation, locate your nearest GM dealer, independent service center, or body shop

REPLACEMENT VALVE COVER GASKET - Designed to bring seal to the cylinder head and the valve cover, stops oil from leaking out and spilling onto the rest of your engine. If you have a leaking valve cover, or your engine oil is always low, or you smell burnin oil, you will need to replace your valve cover gasket.

FIT THE FOLLOWING VEHICLES - Valve Cover Seal compatible with 4.8L 5.3L 5.7L 6.0L 6.2L GM Vortec engine, including Chevrolet Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon, Cadillac Escalade, Buick Rainier, model year 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020.

REPLACE PART NUMBER - Replace GM 12633904, replace VS 50504 R-1 VS50504R1. Commonly found on Chevrolet Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon, Cadillac Escalade, Buick Rainier with 4.8 5.3 5.7 6.0 6.2 V8 Vortec Engine.

Great Compatibility — Fit for Chevrolet 1999 CAL V8 5665cc 5.7L / for Chevrolet 2001~2004 AV V8 5665cc 5.7L / for Chevrolet 2005~2009 GM V8 5328cc 5.3L / for Chevrolet 1999~2005 GM V8 5665cc 5.7L / for Chevrolet 2005~2011 GM V8 5967cc 6.0L / for Chevrolet 2008~2011 GM V8 6195cc 6.2L / 1999~2011 GMT L/D V8 4807 / AVANTI, BUICK, CADILLAC, for Chevrolet , GMC, HUMMER, ISUZU, PONTIAC AND SAAB 4.8L, 5.3L, 6.0L, 6.2L, 7.0L OHV V8 16V VORTEC.

Special Features — Replace VS50504R1 and VS50250A. Include: 2 x Valve Covers / 1 X Graphite Gasket / 8 x Grommets.

Benefit — No more leaks. Engine bay is clean. It securely seals the valve cover so that oil leaks will be prevented each time it pools lubricant oil as it goes to the cylinder head's drain back opening. Aside from oil, this gasket also helps prevent the entry of other harmful materials to the valve train.

Replace your worn out, leaky valve cover gaskets with OE quality gaskets

Compatible with 1997-2014 GM LS series engines

Made from heavy duty silicone

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

🚘【APPLICATION】LS9 Cylinder head gasket kit Compatible with LS9 Head Gasket New LS Full Set Oil Pan Gen III Valley Cover Gasket for LS1/LS6/LQ4/LQ9/LS9 4.8L 5.3L 5.7L 6.0L. Ref Manufacturer-OE: 12622033,T598129,12585673,12639249,12573460,12630223

🚘【SPECIFICS】LQ4 head gasket kit includes gen iii valley cover gasket (6.2L), ls1/ls2/ls3 header gasket, ls oil pan gasket, ls water pump gasket, ls front cover gasket, ls valve cover gasket, ls damper seal, ls rear cover gasket, rear main seal, water crossover/block off gasket, knock sensor grommet and multi-layer steel (mls) gaskets for ls9 engines

🚘【FUNCTION】Head Gasket Set are designed to save money by givingthe technician the exact gaskets needed for installing an alreadyreconditioned or fully assembled head. Head Gasket systems canwithstand high pressures, high temperatures and aggressive media of a car.

gm-recommended replacement part for your gm vehicle’s original factory component

offering the quality, reliability, and durability of gm oe

manufactured to gm oe specification for fit, form, and function

Replaces Part # - VS50805R, 5184596AE. Before ordering, please confirm compatibility and weather are suitable for your vehicle!

Compatible Vehicle - The Valve Cover Gasket Set compatible with 2011-2017 Chrysler 200, 2011-2020 Chrysler 300, 2011-2014 Dodge Avenger, 2011-2020 Dodge Challenger, 2011-2020 Dodge Charger, 2011-2015 Dodge Durango, 2011-2020 Dodge Grand Caravan, 2011-2019 Dodge Journey, 2014-2020 Jeep Cherokee, 2011-2015 Jeep Grand Cherokee, 2012-2017 Jeep Wrangler, 2018 Jeep Wrangler JK, 2013-2019 Ram 1500, 2019-2020 Ram 1500 Classic, 2014-2020 Ram ProMaster 1500, 2014-2020 Ram ProMaster 2500.

High Performance - Valve Cover Gasket Set made of durable materials that are completely corrosion-resistant and dust-proof, its equivalent parts fully comply with the original manufacturer's specifications and functions.

Fitment:For GM Chevrolet LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L, These gaskets can also be used with LS3, LS2, and 6.0L iron blocks, as well as 4.8L/5.3L and LS1/LS6 applications

Package:(1) Gen III Valley Cover Gasket 12558178,(2) LS1/LS2/LS3 Header Gasket,(1) LS Oil Pan Gasket,(2) LS Water Pump Gasket,(1) LS Front Cover Gasket,(2) LS Valve Cover Gasket,(1) LS Damper Seal,(1) LS Rear Cover Gasket,(1) Rear Main Seal,(4) Gaskets 12551933,(1) Oil Filter Adapter Gasket 12611384,(2) Knock Sensor Grommet 12558177,(2) Multi-Layer Steel (MLS) Head Gaskets for LS9 engines.

NOTE: Gasket kit only includes what is listed above and does not include intake manifold gaskets.

Application: 5.3 head gasket kit and non afm cam and lifters fit for 2005-2014 Chevy Silverado 5.3L

Head gasket kit include: multiple layers steel (mls) head gasket, valve cover gasket, valve stem seals, exhaust & intake manifold gasket, front camshaft seal, o-rings, other small gaskets, 30 cylinder head bolts, 1 camshaft, 1 oem gm balancer bolt, 16 non afm roller lifters, 4 lifter trays w/ bolts, 1 front cover gasket set

12625437 Camshaft specs: type: hydraulic roller. intake duration @ .050": 199. exhaust duration @ .050": 191. valve lift int (in.): .466. valve lift exh (in.): .457. rocker ratio: 1.7. lobe seperation: 114. camshaft gear attachment: 1-bolt. notes: works with factory valve springs

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

OE Number:12612350 12589226 12558178, BTR73450, 12617944, 12630223, 12633904, 12637683, 12585673, 12639249, 89060436, 12551933, 12611384, 12558177, 12622033, 12589227 ,12573460, 12558177 12630223,12633904,12637683

Gasket Set Compatible with Gen 3 Series GM Chevy Vortec LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L, LS3, LS2, and 6.0L iron blocks, 4.8L/5.3L and LS1/LS6

Fit for 1997–2004 Chevrolet Corvette C5/1998–2002 Pontiac Firebird Formula, Trans Am /1998–2002 Chevrolet Camaro Z28/1998–2002 Chevrolet Camaro SS/2004 Pontiac GTO /2001–2004 HSV GTO /1999–2005 Holden Statesman/2001–2005 Holden Monaro

Replacement for: 2005-2007 Buick Rainier 5.3L, 2007-2013 Chevy Avalanche 5.3L, 2007 Chevy Silverado 1500 Classic 5.3L, 2005-2014 Chevy Suburban 1500 5.3L, 2014 Chevy Suburban 5.3L, 2007-2014 Chevy Tahoe 5.3L, 2005-2006 Chevy Trailblazer Ext 5.3L, 2006-2008 Chevy Trailblazer 5.3L

Replacement for: 2005-2006 GMC Envoy Xl 5.3L, 2005 GMC Envoy Xuv 5.3L, 2005-2009 GMC Envoy 5.3L, 2007 GMC Sierra 1500 Classic 5.3L, 2005-2013 GMC Sierra 1500 5.3L, 2010-2013 GMC Sierra 5.3L, 2007-2014 GMC Yukon Xl 1500 5.3L, 2005-2006 Isuzu Ascender 5.3L, 2005-2009 Saab 9-7x 5.3L

This item includes: Multiple Layers Steel (MLS) Head Gasket, Valve Cover Gasket, Valve Stem Seals, Front Camshaft Seal, O-rings, Other Small Gaskets, RTV Silicone, 30 Cylinder Head Bolts, 1 Engine Valley Covers Non-AFM, 1 GM Balancer Bolt (TTY - torque to yeild bolt), 16 Non AFM Roller Lifters, 4 Lifter Trays w/ Bolts, 1 Front Cover Gasket Set

Fitment:For GM Chevrolet LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L, These gaskets can also be used with LS3, LS2, and 6.0L iron blocks, as well as 4.8L/5.3L and LS1/LS6 applications

Package:(1) Gen III Valley Cover Gasket 12558178,(2) LS1/LS2/LS3 Header Gasket,(1) LS Oil Pan Gasket,(2) LS Water Pump Gasket,(1) LS Front Cover Gasket,(2) LS Valve Cover Gasket,(1) LS Damper Seal,(1) LS Rear Cover Gasket,(1) Rear Main Seal,(4) Gaskets 12551933,(1) Oil Filter Adapter Gasket 12611384,(2) Knock Sensor Grommet 12558177,(2) Multi-Layer Steel (MLS) Head Gaskets for LS9 engines.

NOTE: Gasket kit only includes what is listed above and does not include intake manifold gaskets.

【Replacement Part#】 - Engine Valve cover Gasket Set: VC203 VS50422R 155357702 11193700103X 1121362020 90210050078X AVC832S 0361921 VS50158 155357703 0361583 56011200 1119316010 1119370010 1121362020 9021005007. Fuel Injection Plenum Gasket Set: MS19783 MS95899 1717662040 PG84 AMS8322 0374817 MS19911 0951642. Before ordering, please confirm compatibility and weather are suitable for your vehicle!

【Compatible Vehicle】 - The Valve Cover Gasket Set compatible with 1996-2002 Toyota 4Runner 3.4L V6, 1995-1998 Toyota T100 3.4L V6, 1995-2004 Toyota Tacoma 3.4L V6, 2000-2004 Toyota Tundra 3.4L V6.

【High Performance】 - Valve Cover Gasket Set made of durable materials that are completely corrosion-resistant and dust-proof, its equivalent parts fully comply with the original manufacturer's specifications and functions.