Reseal your leaking M157 or M278 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seals.
Reseal your leaking M157 or M278 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seals.
Includes Genuine Mercedes-Benz Sealant, all new hardware, camshaft adjuster seals for a perfect reseal.
This product was last offered at the strikethrough price on
04-14-2026
Unlock hidden M157 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains of up to 25WHP!
Includes cap, filter and gasket
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This product was last offered at the strikethrough price on
05-02-2026
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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Located at the base of the fuel injector
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The stock HPFP on the M278 Motors is severely limited in capacity when trying to raise the output of the motor. The FX-170 adds 50% more flow, raising the fueling limits and helping you achieve more power!
Replacement of failed pulley instantly restores proper timing mark position and control of crank vibration
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This product was last offered at the strikethrough price on
05-02-2026
Includes Sensor - Does not include new reservoir cap
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Set of two engine air filters for your vehicle
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Replacement of failed pulley instantly restores proper timing mark position and control of crank vibration
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For repair or changing valve in the cylinder head
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For Vehicles With 4Matic Only
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Upper Grooved Pulley
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