2001-2004.5 GM/CHEVROLET 6.6L DURAMAX LB7 LOWER VALVE COVER GASKET/ ROCKER BOX GASKET SET
Keep your LB7 Duramax engine sealed and leak-free with this Lower Valve Cover Gasket (Rocker Box Gasket) Set for 2001–2004.5 GM/Chevrolet 6.6L Duramax diesel engines. Designed to replace worn or leaking gaskets, this set of two rocker box gaskets ensures a tight, oil-resistant seal between the cylinder head and lower valve cover. Manufactured from premium heat-resistant materials, these gaskets maintain integrity under high pressure and temperature conditions, helping to prevent oil leaks and maintain proper crankcase pressure. Ideal for engine rebuilds or routine maintenance on your LB7.
What’s Included in the Kit:
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(2) Lower Valve Cover Gaskets (Rocker Box Gaskets)
Features and Benefits:
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Direct-fit replacement for 2001–2004.5 GM/Chevrolet 6.6L Duramax LB7
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Premium construction for durability under high heat and pressure
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Prevents oil leaks and maintains proper crankcase sealing
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Resists deformation and chemical breakdown from engine oil exposure
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Designed for OEM fit and reliable long-term performance
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Recommended for engine service, rebuilds, or gasket replacement projects
Truck Compatibility:
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2001 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7
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2002 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7
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2003 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7
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2004 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7
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2001 GMC Sierra 2500HD / 3500 6.6L Duramax LB7
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2002 GMC Sierra 2500HD / 3500 6.6L Duramax LB7
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2003 GMC Sierra 2500HD / 3500 6.6L Duramax LB7
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2004 GMC Sierra 2500HD / 3500 6.6L Duramax LB7
Interchange Part Numbers: DT660018,97188896,615-203, VS50549
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California Proposition 65 Warning:
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information, go to www.P65Warnings.ca.gov
Interchange Number:
