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Your Vehicle 2017 Mercedes Benz SL550 Base Convertible 231.473 V8 4.6L

Audi B5 S4 Timing Belt Kits

A broken timing belt does more than leave you in tennis shoe mode; it causes extensive expensive engine damage when piston heads mangle valves.

Don't wait for disaster to strike. Check our assortment of timing belts and belt kits. We have you covered: from basic belt-tensioner combos to Ultra kits with water pump, thermostat, accessory belts, bolts, and seals.

ECS: we have what you need to get it done.


Timing is Everything

Fits:
Audi B5 S4 (2000-2002)

Timing Belt Kit - Standard
Includes the basic components to service your timing belt
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 45
Mfg#: 078198479KT

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Availability:
In Stock
On SALE Save 12%
$110.99

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

$97.72 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Standard With Cam Locking Tool
Includes the basic components to service your timing belt
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 7441
Mfg#: 078198672

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Availability:
In Stock
On SALE Save 24%
$347.99

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

$263.97 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate
Complete kit to service your timing belt, water pump, and thermostat
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2576
Mfg#: 078198479 V2TT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE
$223.99

This product was last offered at the strikethrough price on
01-03-2026

$204.25 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate With Cam Locking Tool
Complete kit to service your timing belt, water pump, and thermostat
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 7440
Mfg#: 078198671

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 19%
$487.99

This product was last offered at the strikethrough price on
01-03-2026

$394.34 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate with Gates Racing Timing Belt
Complete kit to service your timing belt, water pump, and thermostat
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2777124
Mfg#: 078198479KT2

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Availability:
In Stock
On SALE
$379.99

This product was last offered at the strikethrough price on
01-03-2026

$354.93 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate With Gates Racing Timing Belt & Cam Locking Tool
Complete kit to service your timing belt, water pump, and thermostat
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2777125
Mfg#: 078198671KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 10%
$622.99

This product was last offered at the strikethrough price on
01-03-2026

$557.74 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate Plus
Our most complete timing belt kit with coolant
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 6168
Mfg#: 078198479V2TT+

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Availability:
In Stock
On SALE
$386.99

This product was last offered at the strikethrough price on
01-03-2026

$356.67 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Timing Belt Kit - Ultimate Plus With Cam Locking Tool
Our most complete timing belt kit with coolant
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 7439
Mfg#: 078198670

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Availability:
In Stock
On SALE Save 13%
$623.99

This product was last offered at the strikethrough price on
01-03-2026

$540.85 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Timing Belt Kit - Ultimate Plus With Gates Racing Timing Belt
Looking for the best timing belt kit on the market? Look no further than ECS Tuning
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2762570
Mfg#: 078109119JKT6

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE
$543.99

This product was last offered at the strikethrough price on
01-03-2026

$529.59 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Timing Belt Kit - Ultimate Plus With Gates Racing Timing Belt & Cam Locking Tool
Looking for the best timing belt kit on the market? Look no further than ECS Tuning
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2569854
Mfg#: 078109119JKT3

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 10%
$786.99

This product was last offered at the strikethrough price on
01-03-2026

$710.16 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement

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

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