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Audi B5 Engine Parts & Accessories

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ES#2153855 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from VIN 8D-Y-000 001 - Split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2153855
Mfg#:
059919501A
In Stock
29% off MSRP

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

$57.99

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

$41.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3411744 - 078109119JKT9 - B5 s4 Build Your Own Timing Belt Kit (2000-2002) - Put together a timing belt kit the way you like it! - Assembled By ECS - Audi

Put together a timing belt kit the way you like it! 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#:
3411744
Mfg#:
078109119JKT9
In Stock
ON SALE!
Starting at $95.44 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#1892327 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Mahle-Behr - Audi Volkswagen

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8D-X-315000, split is in the 1999 model year

Brand:
Mahle-Behr - Corporate Logo
ES#:
1892327
Mfg#:
078121113F
In Stock
$28.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3366 - B5KO4IK -  K03/K04 Turbocharger Installation Kit - All hardware & gaskets to install a new turbocharger - Assembled By ECS - Audi Volkswagen

All hardware & gaskets to install a new turbocharger 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#:
3366
Mfg#:
B5KO4IK
In Stock
ON SALE! SAVE 20%
$123.99

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

$99.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4039652 - dv100001KT - Billet R1 Diverter Valve - Pair - Less maintenance, more boost. Kit includes two valves for twin-turbo applications. - APR - Audi Porsche

Less maintenance, more boost. Kit includes two valves for twin-turbo applications. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4039652
Mfg#:
DV100001KT
Ships on Jun 29, 2026
$561.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4158836 - 034-106-5015 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR - 034Motorsport - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4158836
Mfg#:
034-106-5015
In Stock
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3676537 - H17W05 -  Oil Filter - Priced Each - Larger capacity oil filter for better efficiency - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Larger capacity oil filter for better efficiency affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3676537
Mfg#:
H17W05
In Stock
ON SALE!
$8.58

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

$8.15 USD
Free Shipping
on orders $49 and up
ES#7443 - 078198674 - ECS Tuning Timing Belt Kit - Ultimate Plus - The most comprehensive timing belt kit on the market! Includes cam locking tool. - Assembled By ECS - Audi Volkswagen

The most comprehensive timing belt kit on the market! Includes cam locking tool. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-W-007799, split is in the 1998 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
7443
Mfg#:
078198674
In Stock
ON SALE! SAVE 14%
$636.99

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

$550.20 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3175307 - 251229 - Performance Stainless 2.5" Downpipe  - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro manual transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175307
Mfg#:
251229
Ships in 4 Business Days
$275.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#523302 - 078109479E - Timing Belt Damper - Applies pressure to the tensioning roller through the lever - NTN - Audi Volkswagen

Applies pressure to the tensioning roller through the lever affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NTN - Corporate Logo
ES#:
523302
Mfg#:
078109479E
Ships in 1 Business Day
$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3420837 - 00004330575 - G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters) - Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. - Zerex - Audi Volkswagen Mercedes Benz Porsche

Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Back Ordered
$40.99

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

$29.99 USD
Free Shipping
on orders $49 and up
ES#1342 - 058198479 V2 - Ultimate Timing Belt Kit - Complete kit to service your timing belt, water pump, and thermostat - Assembled By ECS - Audi Volkswagen

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!
For vehicles with AEB or ATW engine codes only

Brand:
Assembled By ECS - Corporate Logo
ES#:
1342
Mfg#:
058198479 V2
Ships in 3 Business Days
ON SALE!
$449.40

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

$410.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2574528 - INJB550KT6 - 550cc Fuel Injectors - Set Of Six - Bosch 550cc EV14 Fuel IOnjectors - Great for stage III 2.7T upgrades. Includes injector plug adapters - Bosch - Audi

Bosch 550cc EV14 Fuel IOnjectors - Great for stage III 2.7T upgrades. Includes injector plug adapters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2574528
Mfg#:
INJB550KT6
In Stock
$539.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#578 - W930.21 - Oil Filter - Priced Each (078115561J) - Keep debris out of your oil and keep your engine running healthily - Mann - Audi Volkswagen

Keep debris out of your oil and keep your engine running healthily affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mann - Corporate Logo
ES#:
578
Mfg#:
W930.21
In Stock
$19.99

This product was last offered at the strikethrough price on
03-02-2026

$14.99 USD
Free Shipping
on orders $49 and up
ES#2794230 - IERHVD1 - Forged H-Beam Connecting Rods - Set of 6 - Integrated Engineering - Audi

Set of 6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794230
Mfg#:
IERHVD1
Ships in 4 Business Days
$808.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818506 - 078198025 - Valve Cover Gasket Set - Priced Each - Exact fit for left and right side valve covers - two required for servicing both banks. - Bremmen Parts - Audi Volkswagen

Exact fit for left and right side valve covers - two required for servicing both banks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818506
Mfg#:
078198025
In Stock
ON SALE! SAVE 21%
$30.99

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

$24.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your Audi

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