OEM part for 420SEL, 560SEL, 560SEC and 560SL.
The bearing in this pulley wears out at 80,000 to 120,000 miles and can cause rumbling sounds while the engine is running. A good time to plan to replace or at least inspect this is when you change the V-belts.
1986 to 1991 420 560 V8 A/C Idler Pulley
$58.95
SKU:
GEG-560ACIDLER