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Audi B6 A4 FWD 1.8T Performance Engine & Drivetrain Parts

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ES#2794185 - IEFUVA1BK - Billet Fuel Rail - black Finish - Performance 1 piece fuel rail with style - Integrated Engineering - Audi Volkswagen

Performance 1 piece fuel rail with style
Requires 12mm injector extensions

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794185
Mfg#:
IEFUVA1BK
In Stock
$175.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2713390 - 002598ECS02KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle black conversion plate -w- red 2.0T coils and black hold down kit - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- red 2.0T coils and black hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2713390
Mfg#:
002598ECS02KT
Ships on Mar 18, 2027
ON SALE!
$366.99

This product was last offered at the strikethrough price on
06-13-2026

$348.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3677913 - 06B903137D - Performance Kevlar Reinforced Accessory Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries Into Our F80 M3 Sweepstakes

Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
ECS - Corporate Logo
ES#:
3677913
Mfg#:
06B903137D
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2794009 - FER18tSRKIT - Ferrea Valve Spring/Retainer Kit - Complete set of Ferrea high performance valve springs, and titanium retainers - Integrated Engineering - Audi Volkswagen

Complete set of Ferrea high performance valve springs, and titanium retainers

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794009
Mfg#:
FER18TSRKIT
Back Ordered
$939.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3159 - ECS#152-2 - Fuel Rail Spacer Kit - Includes the necessary parts to raise your fuel rail for larger injectors - ECS - Audi Volkswagen

Includes the necessary parts to raise your fuel rail for larger injectors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3159
Mfg#:
ECS#152-2
In Stock
ON SALE! SAVE 25%
$30.99

This product was last offered at the strikethrough price on
06-13-2026

$23.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4751080 - ECSB6A4RA4S1EBKT -  RA4 240mm Clutch Conversion Kit - Stage 1, Driveshaft Center Support Bearing Carrier & Rear Differential Mount - Lightweight flywheel with the S4 pressure plate and disc - Enthusiast Bundles - Audi

Lightweight flywheel with the S4 pressure plate and disc Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751080
Mfg#:
ECSB6A4RA4S1EBKT
Ships in 6 Business Days
ON SALE! SAVE 25%
$1203.99

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

$899.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2794316 - JE18T242909 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81mm bore (stock), 8.5:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81mm bore (stock), 8.5:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
2794316
Mfg#:
JE18T242909
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3509366 - JE18T242926 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81.5mm bore (0.5mm overbore), 8.5:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81.5mm bore (0.5mm overbore), 8.5:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
3509366
Mfg#:
JE18T242926
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4849836 - 353830 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 82mm bore (1mm overbore), 9.25:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 82mm bore (1mm overbore), 9.25:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
4849836
Mfg#:
353830
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1027 - B5S4CMCK - Clutch Kit - Stage 3 - More holding power & a Kevlar lined disc - Assembled By ECS - Audi

More holding power & a Kevlar lined disc 10X Entries Into Our F80 M3 Sweepstakes
Replacement clutch kit for the RA4 Stage 3 conversion

Brand:
Assembled By ECS - Corporate Logo
ES#:
1027
Mfg#:
B5S4CMCK
Ships in 9 Business Days
$876.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3463392 - 999715999961KT - Sachs Performance Clutch Kit - Includes high-clamp pressure plate and full-face organic clutch disc - Handles up to 400 lb-ft of torque - SACHS Performance - Audi

Includes high-clamp pressure plate and full-face organic clutch disc - Handles up to 400 lb-ft of torque To be used in conjuction with factory flywheel and release bearing

Brand:
SACHS Performance - Corporate Logo
ES#:
3463392
Mfg#:
999715999961KT
Ships in 5 Business Days
$862.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4415272 - AP3-OBDII-CABLE- - AP3 OBD2 UNIVERSAL CABLE - Tidy up your cabin with the COBB OBDII Universal Cable! - CobbTuning - Audi BMW Volkswagen Porsche

Tidy up your cabin with the COBB OBDII Universal Cable!

Brand:
CobbTuning - Corporate Logo
ES#:
4415272
Mfg#:
AP3-OBDII-CABLE-
Ships in 2 Business Days
$85.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3149384 - TS-0203-1222 - Turbosmart BOV Kompact Plumb Back-25mm - Bolt-in replacement for your factory plastic valve - TurboSmart - Audi Volkswagen

Bolt-in replacement for your factory plastic valve

Brand:
TurboSmart - Corporate Logo
ES#:
3149384
Mfg#:
TS-0203-1222
In Stock at Vendor
10% off MSRP

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

$186.99

This product was last offered at the strikethrough price on
11-01-2026

$168.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3603936 - 50-1005 - 400LPH High Flow Fuel Pump (AN Fittings) - Designed for high performance naturally aspirated and forced induction EFI vehicles - It can be installed externally or in-tank using optional hardware that is sold separately - AEM Electronics  - Audi Volkswagen

Designed for high performance naturally aspirated and forced induction EFI vehicles - It can be installed externally or in-tank using optional hardware that is sold separately This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
AEM Electronics  - Corporate Logo
ES#:
3603936
Mfg#:
50-1005
In Stock at Vendor
9% off MSRP

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

$224.99

This product was last offered at the strikethrough price on
11-01-2026

$204.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2793900 - WIS18TK563M82 - Wiseco Performance Piston Set - Includes rings, wire locks, and wrist pins - 82mm bore, 9:8 CR, 86.4mm stroke (stock) - Wiseco - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 82mm bore, 9:8 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
Wiseco - Corporate Logo
ES#:
2793900
Mfg#:
WIS18TK563M82
Back Ordered
$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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Manufacturer names and/or part numbers are used only for identification purposes.

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