Upgrade your M157 AMG with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
Upgrade your M157 AMG with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
Upper Grooved Pulley
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
11-13-2026
Grooved - The solution to a noisy, failing pulley
We Price Match - Give Us A Call or Chat!
Smooth - The solution to a noisy, failing pulley
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
11-12-2026
Smooth - The solution to a noisy, failing pulley
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
11-11-2026
Grooved - The solution to a noisy, failing pulley
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
11-13-2026