Upgrade your AMG’s reliability with UPD’s billet idler kit - built to outlast factory plastic pulleys and handle the heat without compromise.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Eliminate weak factory plastic idlers with the UPD M113K Billet Idler Set - a high-strength CNC aluminum upgrade built for smoother operation, extreme durability, and long-term AMG reliability.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3102937
Mfg#:
M1575PCI
Ships in 10 Business Days
$595.00
This product was last offered at the strikethrough price on 05-10-2026
Includes accessory and supercharger belt idler pulleys
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2873711
Mfg#:
1132020419
In Stock
Limited Qty Sale
$371.99
This product was last offered at the strikethrough price on 08-11-2026
OEM Supplier! Does not include new mounting bolt
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
This wrench offers a T50 head with a 33-splined sleeve that fits snugly into your alternator bolt.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4727399
Mfg#:
003581SCH01A
In Stock
ON SALE!
SAVE 25%
$20.99
This product was last offered at the strikethrough price on 05-02-2026
Includes tensioner and pulley
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2586575
Mfg#:
2722000270
Ships in 1-2 days
$116.99
This product was last offered at the strikethrough price on 10-20-2026
Maintains constant tension on the accessory belt - Alternator Side (Right)
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3387310
Mfg#:
1772003400
In Stock
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$280.00
This product was last offered at the strikethrough price on 10-27-2026
Used as a vibration absorber as well as supplying power to the accessory drive system
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1637524
Mfg#:
1130300103
Ships in 4 Business Days
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$830.00
This product was last offered at the strikethrough price on 10-27-2026
Unlock faster turbo spool, sharper throttle response, and hidden horsepower with the UPD M157 Underdrive Crank Pulley - a precision billet upgrade built to maximize AMG performance and reliability.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3102938
Mfg#:
M157CP
Ships in 1 Business Day
$795.00
This product was last offered at the strikethrough price on 05-10-2026
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.
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