Protect your engine's valvetrain and eliminate startup chain slack with this redesigned passenger-side exhaust adjuster for your BiTurbo V8.
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2012 Mercedes Benz S550 Base Sedan 221.173 V8 4.6L Engine Timing Parts
Engine Timing Sprocket
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Silence the dreaded cold-start death rattle and bulletproof your BiTurbo V8's timing with this complete set of the latest, fully redesigned camshaft adjusters.
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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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from engine # 60 009368 from 02/04/12
Silence the dreaded cold-start death rattle and bulletproof your BiTurbo V8's timing with this complete set of the latest, fully redesigned camshaft adjusters.
2X Entries For Our 25th Anniversary Sweepstakes!