MAHLE HS54580 (Without Head Gasket) | 2001–2004 GM 6.6L Duramax LB7

The MAHLE HS54580 Head Set delivers a reliable sealing solution for 2001–2004 GM 6.6L Duramax LB7 engines. This premium upper engine gasket kit includes the seals, O-rings, RTV, and top-end gaskets needed for cylinder head service, leak repairs, and complete upper engine resealing.

MAHLE designs these gaskets to meet or exceed OEM standards. As a result, you get precise fitment, dependable sealing, and long-lasting durability in high-heat diesel applications. The kit also features quality intake and exhaust manifold gaskets built to handle demanding engine conditions.

Whether you are completing a stock rebuild or repairing a leaking top end, the HS54580 provides the components needed for a professional repair. In addition, MAHLE’s reputation for quality makes this kit a trusted choice among diesel technicians and engine builders.

Please note: this kit does not include head gaskets or head bolts. Those items must be purchased separately.

Features

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• Fits 2001–2004 GM 6.6L Duramax LB7 engines
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• Includes upper engine gaskets, seals, O-rings, and RTV
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• Delivers OEM-quality fit and sealing performance
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• Handles high heat and pressure with confidence
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• Ideal for resealing and top-end engine repairs
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• Manufactured by trusted diesel gasket supplier MAHLE
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• Head gaskets and head bolts sold separately
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Vehicle Fitment

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• 2001 Chevy/GMC Silverado & Sierra 2500HD/3500 6.6L Duramax LB7
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• 2002 Chevy/GMC Silverado & Sierra 2500HD/3500 6.6L Duramax LB7
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• 2003 Chevy/GMC Silverado & Sierra 2500HD/3500 6.6L Duramax LB7
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• 2004 Chevy/GMC Silverado & Sierra 2500HD/3500 6.6L Duramax LB7 only
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