EPS Steering Rack Drive Belt – Porsche Boxster / Cayman | OEM 99134701165 78060405643EPS Steering Rack Drive Belt Porsche Boxster Cayman OEM 99134701165 78060405643 Fix EPS Steering Noise and Poor Assist on Your Porsche Boxster or Cayman Replace the Rack Belt. The electric power steering rack on the Porsche Boxster and Cayman uses a toothed drive belt. A worn belt causes steering noise, reduced power assist, and rough steering feel. This OEM spec replacement belt restores silent, precise steering. Vehicle Compatibility Porsche Boxster

Valve cover diaphragm (OEM 6510109118 / 6510100630 and equivalents)

X3 and USA-market diesel X5 applications shown in the compatibility list

E230 (W211)

These are fairly common problems that almost any BMW owner has encountered with the Disa system

which affects engine behavior and can create secondary drivability issues

Major Savings: New MMI screen assembly replacement at Audi dealer costs $2

AND vacuum actuators

3' E46 (12/1999 — 08/2006)

N16 and N18 applications

A failed 89mm valve cover diaphragm on the VAG 2

Range Rover Sport L320 2

Not included: complete DISA valve housing