Transfers power from the accessory belt to the alternator rotor
We Price Match - Give Us A Call or Chat! Fits All Bosch 120 Amp Alternators - Only Fits Valeo 120 Amp Alternators Up To Valeo Number 2542582C - Please Verify Fitment Prior To Ordering
Upgrade your M157 AMG or M278 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 M112K 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 V12 with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
Comes complete with a new drive belt, belt tensioner, and the necessary coolant to properly refill the low-temperature intercooler system.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5434942
Mfg#:
0009931200KT
Ships in 1-2 days
$133.99
This product was last offered at the strikethrough price on 05-07-2026
Transfers power from the accessory belt to the alternator rotor
We Price Match - Give Us A Call or Chat! Does Not Fit Bosch Alternators - Only Fits Valeo 120 Amp Alternators From Valeo Number 2542582D - Please Verify Fitment Prior To Ordering
Pulleys drive accessories essential to vehicle operation. Whether you need to install a stock original equipment pulley during a repair, or improve engine performance and appearance with a lightweight aluminum or underdrive pulley, count on ECS Tuning for pulley solutions that work.
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Mercedes Benz
Lifetime Replacement
