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Audi B6 A4 FWD 1.8T

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Audi B6 A4 FWD 1.8T Performance Engine Parts

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Billet Diverter Valve - Black

ES#3183557 - 034-145-5000-BLK - Billet Diverter Valve - Black - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer!

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK
In Stock
ON SALE! SAVE 10%
$134.00

This product was last offered at the strikethrough price on
06-28-2026

$120.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! 10X Entries For Our 25th Anniversary Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE! SAVE 10%
$238.99

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

$215.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS4 Engine Mount - Priced Each

ES#2816259 - 8D0199379AD - RS4 Engine Mount - Priced Each - Upgrade to more durable mounts with no modifications necessary - Hamburg Tech - Audi Volkswagen

Upgrade to more durable mounts with no modifications necessary We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816259
Mfg#:
8D0199379AD
In Stock
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch 550cc Fuel Injector - Priced Each

ES#1897179 - INJB550 - Bosch 550cc Fuel Injector - Priced Each - Compatible with BT software applications. Does NOT include injector plug adapters - Bosch - Audi Volkswagen

Compatible with BT software applications. Does NOT include injector plug adapters 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1897179
Mfg#:
INJB550
In Stock
$77.29

This product was last offered at the strikethrough price on
07-06-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Engine Mount Kit - Audi B6/B7 A4

ES#2586485 - SM100004KT - Performance Engine Mount Kit - Audi B6/B7 A4 - Includes upgraded RS4 motor mounts, ECS polyurethane snub mount and hardware - Assembled By ECS - Audi

Includes upgraded RS4 motor mounts, ECS polyurethane snub mount and hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586485
Mfg#:
SM100004KT
In Stock
ON SALE!
$266.99

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

$259.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen MINI

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings.

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Density Line Motor Mount Kit - Street Density

ES#2893870 - 034-509-0007KT - Density Line Motor Mount Kit - Street Density - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi Volkswagen

Void-free and fluid-free, eliminating the slop associated with the factory mounts

Brand:
034Motorsport - Corporate Logo
ES#:
2893870
Mfg#:
034-509-0007KT
In Stock
ON SALE! SAVE 10%
$256.00

This product was last offered at the strikethrough price on
06-28-2026

$230.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Large Aluminum Oil Catch Can

ES#2765062 - MM0CCLA - Universal Large Aluminum Oil Catch Can - Includes Mounting Brackets & Hardware - Mishimoto - Audi BMW Volkswagen MINI

Includes Mounting Brackets & Hardware

Brand:
Mishimoto - Corporate Logo
ES#:
2765062
Mfg#:
MM0CCLA
In Stock
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Stud Set

ES#514326 - 204-4103 - Cylinder Head Stud Set - Convert to high strength head studs - ARP - Audi Volkswagen

Convert to high strength head studs 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
514326
Mfg#:
204-4103
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Turner Baffled Oil Catch Can Kit - 6oz

ES#3458255 - 022798tms01-05KT - Complete Turner Baffled Oil Catch Can Kit - 6oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen MINI Porsche

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458255
Mfg#:
022798TMS01-05KT
In Stock
ON SALE! SAVE 15%
$302.99

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

$257.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JE Performance Piston Set

ES#4338074 - JE-18T-242880 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9.25:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9.25:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
4338074
Mfg#:
JE-18T-242880
Ships on Aug 4, 2026
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet R1 Diverter Valve - Priced Each

ES#8818 - DV100001 - Billet R1 Diverter Valve - Priced Each - Less maintenance, more boost - APR - Audi Volkswagen Porsche

Less maintenance, more boost Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
8818
Mfg#:
DV100001
In Stock
11% off MSRP

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

$328.99

This product was last offered at the strikethrough price on
07-19-2026

$291.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#263801 - 204-3901 - Cylinder Head Bolt Set - High strength head bolts with a triple square head - ARP - Audi Volkswagen

High strength head bolts with a triple square head 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
263801
Mfg#:
204-3901
In Stock
$207.99

This product was last offered at the strikethrough price on
05-28-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam connecting rods

ES#2794385 - IERHVA1 - Forged H-Beam connecting rods - 144x20mm forged H-beam rods from Integrated Engineering. - Integrated Engineering - Audi Volkswagen

144x20mm forged H-beam rods from Integrated Engineering. 5X Entries For Our 25th Anniversary Sweepstakes!
*To be used with aftermarket pistons with 20mm wrist pins*

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794385
Mfg#:
IERHVA1
In Stock
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Kit - Carbon Fiber

ES#2500608 - MM0CCCF - Universal Catch Can Kit - Carbon Fiber - Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. - Mishimoto - Audi BMW Volkswagen MINI

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles.

Brand:
Mishimoto - Corporate Logo
ES#:
2500608
Mfg#:
MM0CCCF
In Stock
$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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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