Original equipment intake manifold adjusters often fail due to weak plastic construction. This Dorman OE FIX repair kit is a cost-saving solution to replace only the failed component with a more durable aluminum adjuster. Product Features:Upgraded replacement - this intake manifold adjuster is made of aluminum to increase durabilityCost-effective solution - allows for simple, inexpensive repair of failure-prone adjuster instead of entire manifoldApplication specific - made to match fit and function of original adjusters on certain Mercedes vehiclesQuality engineering - designed in the United States and backed by decades of automotive aftermarket experience