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

Audi S4 Engine Drive Belt Parts

Sort By
Filter By
Return to Top

Accessory Belt Kit W/ Tensioner

ES#2678390 - 06E903137QKT - Accessory Belt Kit W/ Tensioner - Keep your accessories running properly with a new tensioner and drive belt - Genuine Volkswagen Audi - Audi

Keep your accessories running properly with a new tensioner and drive belt Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2678390
Mfg#:
06E903137QKT
Ships in 4 Business Days
$368.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#4057407 - 06E903341G - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - URO - Audi

Also referred to as the 'relay roller' 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4057407
Mfg#:
06E903341G
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#2187572 - 078903133AB - Accessory Belt Tensioner - Keep your drive belt tight - URO - Audi Volkswagen

Keep your drive belt tight 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187572
Mfg#:
078903133AB
In Stock
ON SALE!
$37.54

This product was last offered at the strikethrough price on
07-14-2026

$36.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#4821047 - 06E903133AEKTKT2 - Accessory Belt Kit - Keep your car from breaking down by replacing your cracked drive belt - Assembled By ECS - Audi

Keep your car from breaking down by replacing your cracked drive belt 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4821047
Mfg#:
06E903133AEKTKT2
Back Ordered
Auto Notify
ON SALE!
$348.99

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

$320.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt/Serpentine Belt Kit W/ Tensioners

ES#4821031 - 06M260849LKT3 - Accessory Belt/Serpentine Belt Kit W/ Tensioners - Keep your car from breaking down by replacing your cracked drive belt - Assembled By ECS - Audi

Keep your car from breaking down by replacing your cracked drive belt 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4821031
Mfg#:
06M260849LKT3
Back Ordered
$320.99

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

$311.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit W/ Tensioner

ES#2678389 - 06E903137QKT2 - Accessory Belt Kit W/ Tensioner - Keep your accessories running properly with a new tensioner and drive belt - Assembled By ECS - Audi

Keep your accessories running properly with a new tensioner and drive belt 10X Entries For Our 25th Anniversary Sweepstakes!
Up to the 2012 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678389
Mfg#:
06E903137QKT2
Ships on Oct 27, 2026
Auto Notify
ON SALE!
$109.99

This product was last offered at the strikethrough price on
04-28-2026

$103.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory/Supercharger Belt Kit W/ Tensioners

ES#2678392 - 06E903133RKT2 - Accessory/Supercharger Belt Kit W/ Tensioners - Keep your accessories & supercharger running properly with new tensioners and drive belts - Assembled By ECS - Audi

Keep your accessories & supercharger running properly with new tensioners and drive belts 10X Entries For Our 25th Anniversary Sweepstakes!
From the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678392
Mfg#:
06E903133RKT2
Ships in 3 Business Days
ON SALE!
$314.87

This product was last offered at the strikethrough price on
03-17-2026

$308.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt/Serpentine Belt Kit W/ Tensioners

ES#4699378 - 06M903137TKT - Accessory Belt/Serpentine Belt Kit W/ Tensioners - Keep your accessories running properly with new tensions and drive belts - Assembled By ECS - Audi

Keep your accessories running properly with new tensions and drive belts 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4699378
Mfg#:
06M903137TKT
Back Ordered
$157.99

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

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Dynamic+ Supercharger Belt - 1270mm

ES#5388892 - 034-145-Z056 - 034Motorsport Dynamic+ Supercharger Belt - 1270mm - Precision-manufactured to strict OEM dimensional specifications with advanced materials. High heat resistance to ensure long-term durability in extreme environments. - 034Motorsport - Audi

Precision-manufactured to strict OEM dimensional specifications with advanced materials. High heat resistance to ensure long-term durability in extreme environments.

Brand:
034Motorsport - Corporate Logo
ES#:
5388892
Mfg#:
034-145-Z056
In Stock
$28.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt

ES#4707953 - 06E903137T1KT - Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt - Includes the tensioner assembly, ECS performance Kevlar reinforced accessory belt, belt tensioner and hardware - Assembled By ECS - Audi

Includes the tensioner assembly, ECS performance Kevlar reinforced accessory belt, belt tensioner and hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4707953
Mfg#:
06E903137T1KT
Ships in 8 Business Days
$295.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belt Kit W/ Tensioner

ES#2678386 - 06E903137ABKT - Supercharger Belt Kit W/ Tensioner - Keep your supercharger running properly with a new tensioner and drive belt - Genuine Volkswagen Audi - Audi

Keep your supercharger running properly with a new tensioner and drive belt Up to production date 7/11/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2678386
Mfg#:
06E903137ABKT
In Stock
$271.99

This product was last offered at the strikethrough price on
06-08-2026

$259.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belt Kit W/ Tensioner

ES#2678388 - 06E903137ABKT4 - Supercharger Belt Kit W/ Tensioner - Keep your supercharger running properly with a new tensioner and drive belt - Genuine Volkswagen Audi - Audi

Keep your supercharger running properly with a new tensioner and drive belt From production date 7/12/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2678388
Mfg#:
06E903137ABKT4
Ships on Aug 11, 2026
$268.99

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

$253.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#2090916 - 078121235G - Idler Pulley - Provides mounting for the fan clutch - MTC - Audi Volkswagen

Provides mounting for the fan clutch

Brand:
MTC - Corporate Logo
ES#:
2090916
Mfg#:
078121235G
Ships in 7 Business Days
$126.99 USD
Free Shipping

Accessory Belt

ES#2738757 - 079903137E - Accessory Belt - Replaces your cracked or worn belt - Continental - Audi

Replaces your cracked or worn belt We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2738757
Mfg#:
079903137E
In Stock
$26.99

This product was last offered at the strikethrough price on
05-18-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Kevlar Reinforced Accessory/Supercharger Belt Kit W/ Tensioners

ES#4707954 - 06E903137T2KT - ECS Performance Kevlar Reinforced Accessory/Supercharger Belt Kit W/ Tensioners - Includes the tensioner assembly, ECS performance Kevlar reinforced accessory and supercharger belt, accessory and supercharger tensioners and hardware. - Assembled By ECS - Audi

Includes the tensioner assembly, ECS performance Kevlar reinforced accessory and supercharger belt, accessory and supercharger tensioners and hardware. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4707954
Mfg#:
06E903137T2KT
Ships in 8 Business Days
ON SALE! SAVE 13%
$266.32

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

$231.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belt - For Use With APR Drive & OEM Crank Pulley

ES#3219317 - RS100001 - Supercharger Belt - For Use With APR Drive & OEM Crank Pulley - Replace your cracked or worn belt - APR - Audi Volkswagen

Replace your cracked or worn belt Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3219317
Mfg#:
RS100001
In Stock
12% off MSRP

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

$41.99

This product was last offered at the strikethrough price on
07-21-2026

$36.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Drive Belt Parts

Drive belts transfer crankshaft power to various accessories, including the alternator, water pump, power steering pump, and air conditioning compressor. Replacement of drive belts, serpentine belts, and drive belt tensioners at recommended service intervals helps you avoid untimely breakdowns and expensive vehicle repairs.

Let us help you find the parts that fit your Audi

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