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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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Borg Warner EFR 7670 Turbocharger

ES#3450898 - 179351 - Borg Warner EFR 7670 Turbocharger - 0.83 A/R T3 Single Scroll (Internal Wastegate) - 375hp-650hp capabilities - BorgWarner - Audi Volkswagen

0.83 A/R T3 Single Scroll (Internal Wastegate) - 375hp-650hp capabilities affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with custom turbocharger applications only - IE T3 flange manifold, custom fueling, tuning/software, and internals necessary*

Brand:
BorgWarner - Corporate Logo
ES#:
3450898
Mfg#:
179351
Back Ordered
19% off MSRP

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

$3664.99

This product was last offered at the strikethrough price on
06-09-2026

$2967.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Copper Spark Plugs - Set Of Four

ES#2855429 - bkr7eKT1 - Copper Spark Plugs - Set Of Four - Copper cored plugs featuring a cooler heat range ideal for chip tuned vehicles - NGK - Audi Volkswagen

Copper cored plugs featuring a cooler heat range ideal for chip tuned vehicles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2855429
Mfg#:
BKR7EKT1
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#253082 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
253082
Mfg#:
3B0121321
In Stock
25% off MSRP

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

$39.59

This product was last offered at the strikethrough price on
01-08-2026

$29.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - 3 Way adjustable Vacuum Port - Alloy

ES#3619942 - FMDV008PA-S - 008 Premium Diverter Valve - 3 Way adjustable Vacuum Port - Alloy - Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3619942
Mfg#:
FMDV008PA-S
Ships in 7 Business Days
$204.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug (PFR6Q) - Priced Each

ES#7539 - pfr6q - Spark Plug (PFR6Q) - Priced Each - PFR6Q - Factory heat range plugs with platinum cores - NGK - Audi Volkswagen

PFR6Q - Factory heat range plugs with platinum cores affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
7539
Mfg#:
PFR6Q
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft / Crankshaft Seal - Priced Each

ES#253239 - 038103085C - Camshaft / Crankshaft Seal - Priced Each - PTFE design to stop oil leaks and prevent internal engine damage. 47x10x32 - Elring - Audi Volkswagen

PTFE design to stop oil leaks and prevent internal engine damage. 47x10x32 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Camshaft Seal

Brand:
Elring - Corporate Logo
ES#:
253239
Mfg#:
038103085C
In Stock
$8.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Timing Belt Kit

ES#1344 - AWMTBKV2 LV - Ultimate Timing Belt Kit - Complete kit to service your timing belt, water pump, and thermostat - Assembled By ECS - Audi

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 AWM engine code from VIN 8D-1-042385, split is in the 2001 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
1344
Mfg#:
AWMTBKV2 LV
Ships on Jun 25, 2026
Auto Notify
ON SALE!
$247.99

This product was last offered at the strikethrough price on
04-03-2026

$233.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2866095 - 059919501AS1 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square/round connector. Please check existing sensor color - Febi - Audi Volkswagen

Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 8D-Y-000001, split is in the 2000 model year

Brand:
Febi - Corporate Logo
ES#:
2866095
Mfg#:
059919501AS1
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM Fuel Pump Upgrade Kit - High-Flow 340 LPH w/ Drop-In Adapter

ES#4045937 - B5340LPFP - JHM Fuel Pump Upgrade Kit - High-Flow 340 LPH w/ Drop-In Adapter - Drop in kit to work in conjunction with your factory fuel system - JH Motorsports - Audi

Drop in kit to work in conjunction with your factory fuel system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4045937
Mfg#:
B5340LPFP
Ships in 3 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Splitter Valve - Black

ES#8288 - FMDVSPLTR - Splitter Valve - Black - Recirculation & blow off valve all in one for customers that want both styles - Forge - Audi Volkswagen

Recirculation & blow off valve all in one for customers that want both styles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
8288
Mfg#:
FMDVSPLTR
Back Ordered
$310.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#2550745 - 06A103385A - Cylinder Head Bolt Set - A full set to secure your cylinder head. M10x1.5x115 - Elring - Audi Volkswagen

A full set to secure your cylinder head. M10x1.5x115 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2550745
Mfg#:
06A103385A
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2713399 - 002598ECS09KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes anodized black conversion plate -w- red 2.0T coils - ECS - Audi Volkswagen

Includes anodized black conversion plate -w- red 2.0T coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713399
Mfg#:
002598ECS09KT
In Stock
ON SALE!
$286.99

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

$278.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#3175519 - 252561M - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with factory downpipe

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175519
Mfg#:
252561M
Ships in 5 Business Days
$687.99 USD

710N Diverter Valve - Priced Each

ES#2804306 - 06A145710NKT - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines. Includes band clamps - Assembled By ECS - Audi Volkswagen

A great upgrade for stock to mildly tuned engines. Includes band clamps 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#:
2804306
Mfg#:
06A145710NKT
In Stock
ON SALE! SAVE 24%
$51.99

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

$39.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket

ES#263698 - 058103383Q - Cylinder Head Gasket - Stop leaks and restore engine power - Elring - Audi Volkswagen

Stop leaks and restore engine power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
263698
Mfg#:
058103383Q
In Stock at Vendor
$49.99

This product was last offered at the strikethrough price on
04-10-2026

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Washer Fluid Reservoir Cap - Black Anodized

ES#3247518 - 022733ECS01-01 - Billet Washer Fluid Reservoir Cap - Black Anodized - Lose the plastic! - ECS - Audi Volkswagen Porsche

Lose the plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3247518
Mfg#:
022733ECS01-01
In Stock
ON SALE! SAVE 20%
$90.99

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

$72.79 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.

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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