Eliminate weak factory plastic idlers with the UPD M156 Billet Idler Set - a high-strength CNC aluminum upgrade built for smoother operation, extreme durability, and long-term AMG reliability.
2012 Mercedes Benz SLS AMG Base Coupe 197.377 V8 6.3L Idler Pulley Belts & Parts
Ships in 3 Business Days
$495.00 USD
Free Shipping
Upgraded Weistec Idler Pulley Kit
In Stock
$649.00 USD
Free Shipping
on orders $49 and up
All Weistec idler pulleys run this same high quality bearing.
Ships in 1 Business Day
$22.00 USD
Free Shipping
on orders $49 and up
The solution to a noisy, failing pulley
We Price Match - Give Us A Call or Chat!
In Stock at Vendor
$44.99
$43.99 USD
This product was last offered at the strikethrough price on
05-07-2026