Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Mercedes Benz Engine Pulley Parts

Sort By
Filter By
Return to Top

Belt Tensioner Assembly

ES#2800591 - 1122000970 - Belt Tensioner Assembly - Keeps constant pressure on your serpentine belt to prevent belt slipping - Continental - Mercedes Benz

Keeps constant pressure on your serpentine belt to prevent belt slipping We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2800591
Mfg#:
1122000970
Back Ordered
$133.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#2226550 - 2712000470 - Accessory Belt Tensioner Assembly - Maintains constant tension on the accessory belt - Genuine Mercedes Benz - Mercedes Benz

Maintains constant tension on the accessory belt

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2226550
Mfg#:
2712000470
Ships in 3 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$140.00

This product was last offered at the strikethrough price on
09-04-2026

$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drive Belt Tensioner - with Pulley

ES#4684445 - 6422001670 - Drive Belt Tensioner - with Pulley - Accessory Drive Belt Tensioner Assembly - Vaico - Mercedes Benz

Accessory Drive Belt Tensioner Assembly We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4684445
Mfg#:
6422001670
Ships on Dec 31, 2026
$64.99 USD
Free Shipping
on orders $49 and up

Belt Tensioner Assembly

ES#4017648 - 2722000270 - Belt Tensioner Assembly - Includes tensioner and pulley - URO - Mercedes Benz

Includes tensioner and pulley 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4017648
Mfg#:
2722000270
Back Ordered
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multi-Rib Accessory Belt

ES#2593513 - 1139970092 - Multi-Rib Accessory Belt - 21.36x2462mm - Gates - Mercedes Benz

21.36x2462mm

Brand:
Gates - Corporate Logo
ES#:
2593513
Mfg#:
1139970092
Ships in 1 Business Day
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit - Level 1

ES#2770628 - 0109977992KT1 - Accessory Belt Kit - Level 1 - Includes Belt Tensioner Pulley, Belt, And Hardware - Genuine Mercedes Benz - Mercedes Benz

Includes Belt Tensioner Pulley, Belt, And Hardware

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2770628
Mfg#:
0109977992KT1
Ships in 3 Business Days
$121.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt Tensioner Assembly

ES#4684446 - 6422001970 - Accessory Drive Belt Tensioner Assembly - Featuring Belt Tensioner for 3.0L Diesel & 2.1L Diesel vehicles - Vaico - Mercedes Benz

Featuring Belt Tensioner for 3.0L Diesel & 2.1L Diesel vehicles We Price Match - Give Us A Call or Chat!
Left (1); For cars with (Code B03).

Brand:
Vaico - Corporate Logo
ES#:
4684446
Mfg#:
6422001970
Special Order: No Guaranteed ETA
$120.99 USD

Accessory Belt Kit - Level 2

ES#2770317 - 01199797921KT9 - Accessory Belt Kit - Level 2 - Includes Belt Tensioner, Idler Pulley, Belt, And Hardware - Assembled By ECS - Mercedes Benz

Includes Belt Tensioner, Idler Pulley, Belt, And Hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2770317
Mfg#:
01199797921KT9
Ships in 1 Business Day
ON SALE! SAVE 28%
$161.99

This product was last offered at the strikethrough price on
03-29-2026

$116.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2763802 - 01199797921KT3 - Accessory Belt Kit - Includes belt tensioner, pulley, belt, and hardware - Assembled By ECS - Mercedes Benz

Includes belt tensioner, pulley, belt, and hardware 10X Entries Into Our F80 M3 Sweepstakes
Up To Chassis: A 429265, Or Up To Chassis: X 778320

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763802
Mfg#:
01199797921KT3
Ships in 1 Business Day
ON SALE! SAVE 28%
$161.99

This product was last offered at the strikethrough price on
03-29-2026

$116.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#2515480 - 1032000870 - Accessory Belt Tensioner - Controls the tension on your accessory drive belt - Febi - Mercedes Benz

Controls the tension on your accessory drive belt We Price Match - Give Us A Call or Chat!
Up To Engine Number M104.994 12/52, 22/62 031209 - Also Installed On Engine Number M104.994 12 035750 And M104.994 12 037428

Brand:
Febi - Corporate Logo
ES#:
2515480
Mfg#:
1032000870
Ships in 1 Business Day
$117.99

This product was last offered at the strikethrough price on
05-07-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Idler Pulley

ES#1641779 - 1161300460 - A/C Idler Pulley - Idler pulley for cars with air pump delete - Genuine Mercedes Benz - Mercedes Benz

Idler pulley for cars with air pump delete

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1641779
Mfg#:
1161300460
Ships in 3 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.

$122.00

This product was last offered at the strikethrough price on
09-04-2026

$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#1621400 - 0119970292 - Accessory Belt - 21.36x1875mm - Genuine Mercedes Benz - Mercedes Benz

21.36x1875mm

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1621400
Mfg#:
0119970292
Ships in 3 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.

$60.00

This product was last offered at the strikethrough price on
09-04-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#2534227 - 1192000270 - Belt Tensioner Assembly - Keeps constant pressure on your serpentine belt to prevent belt slipping - URO - Mercedes Benz

Keeps constant pressure on your serpentine belt to prevent belt slipping 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534227
Mfg#:
1192000270
Ships in 1 Business Day
$108.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Pulley Kit

ES#2762891 - 2712000570KT - Accessory Belt Pulley Kit - Includes Belt Tensioner Pulley and Idler Pulley - Genuine Mercedes Benz - Mercedes Benz

Includes Belt Tensioner Pulley and Idler Pulley

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2762891
Mfg#:
2712000570KT
Ships in 3 Business Days
$108.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Harmonic Balancer

ES#2642168 - 1120351300KT2 - Engine Harmonic Balancer - Includes New Securing Bolt - Assembled By ECS - Mercedes Benz

Includes New Securing Bolt 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2642168
Mfg#:
1120351300KT2
Ships in 3 Business Days
ON SALE! SAVE 25%
$143.99

This product was last offered at the strikethrough price on
05-02-2026

$108.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drive Belt Tensioner - Priced Each

Includes Pulley We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3560116
Mfg#:
2762000370
Ships in 1 Business Day
ON SALE! SAVE 10%
$59.99

This product was last offered at the strikethrough price on
09-03-2026

$53.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Pulley Parts

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.

Let us help you find the parts that fit your Mercedes Benz

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings