Applies tension to the accessory belt to prevent slippage
5X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For vehicles without the Energy Recovery System
Maintain proper accessory belt tension and protect your engine’s drive system with this OEM-quality replacement automatic belt tensioner from Febi Bilstein.
Replace your failing harmonic balancer and address your leaking front crank seal with this replacement kit
For models without the Energy Recover System (S1CEA) or 48V Mild Hybrid System
Brand:
ES#:
5444830
Mfg#:
11239846660KT
Back Ordered
$933.00
This product was last offered at the strikethrough price on 03-11-2026
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.
Lifetime Replacement
