Reseal your leaking M157 or M278 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seals.
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Reseal your leaking M157 or M278 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seals.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes Genuine Mercedes-Benz Sealant, all new hardware, camshaft adjuster seals for a perfect reseal.
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This product was last offered at the strikethrough price on
04-14-2026
Includes cap, filter and gasket
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This product was last offered at the strikethrough price on
01-03-2026
For pre-oiling and surge control on all applications.
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M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
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M157 / M278 Head Bolt - One Time Use - Twenty (20) Required Per Engine
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Commonly used on M113K and M157 Engine Builds
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For repair or changing valve in the cylinder head
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Intake Side - Right
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This product was last offered at the strikethrough price on
04-15-2026
Exhaust Side - Left
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Transmission End
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Control Solenoid - Directional Control Valve
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