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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Performance Engine Parts

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Wiseco Performance Piston Set

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) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*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

Wiseco Performance Piston Set

ES#2794721 - WIS18TK563M81 - Wiseco Performance Piston Set - Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9:1 CR, 86.4mm stroke (stock) - Wiseco - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9:1 CR, 86.4mm stroke (stock) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*For use with 20mm wrist pin connecting rods*

Brand:
Wiseco - Corporate Logo
ES#:
2794721
Mfg#:
WIS18TK563M81
Back Ordered
$799.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Phenolic Big Port To Small Port Adapter kit

ES#2794391 - IEBAVA16 - Phenolic Big Port To Small Port Adapter kit - For vehicles with small port heads and large port intake manifold - Integrated Engineering - Audi Volkswagen

For vehicles with small port heads and large port intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794391
Mfg#:
IEBAVA16
Ships in 9 Business Days
Auto Notify
$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water Methanol Check Valve

ES#3988118 - Sn0-8cv-qc - High Flow Water Methanol Check Valve - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3988118
Mfg#:
SN0-8CV-QC
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler Black - 10 Row

ES#2764962 - MM0C10BK - Universal Oil Cooler Black - 10 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764962
Mfg#:
MM0C10BK
In Stock
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount - Priced Each

ES#4070112 - CTS-EM-B567-50D - CTS Street Sport Engine Mount - Priced Each - 50 Durometer rubber construction - CTS - Audi

50 Durometer rubber construction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4070112
Mfg#:
CTS-EM-B567-50D
Ships in 7 Business Days
$94.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Engine Air Filter 33-2209

ES#3898 - 332209 - Performance Engine Air Filter 33-2209 - Drop-in high flow replacement for your vehicle - K&N - Audi

Drop-in high flow replacement for your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
3898
Mfg#:
332209
In Stock
$74.99

This product was last offered at the strikethrough price on
03-16-2026

$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - For K04

ES#2770215 - CTSB6FMICKIT - Front Mount Intercooler Kit - For K04 - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
2770215
Mfg#:
CTSB6FMICKIT
Ships in 7 Business Days
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - For Big Turbo

ES#3142475 - CTSB6A4FMIC600BT - Front Mount Intercooler Kit - For Big Turbo - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3142475
Mfg#:
CTSB6A4FMIC600BT
Ships in 7 Business Days
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - For K03

ES#3046115 - CTSB6A4FMICKIT - Front Mount Intercooler Kit - For K03 - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3046115
Mfg#:
CTSB6A4FMICKIT
Ships in 7 Business Days
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - 600HP Kit

ES#4369952 - CTSB6A4FMIC600 - Front Mount Intercooler Kit - 600HP Kit - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4369952
Mfg#:
CTSB6A4FMIC600
Special Order: No Guaranteed ETA
$749.99 USD
Free Shipping

Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line

ES#4144931 - SN0-310 - Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144931
Mfg#:
SN0-310
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up

B6 A4 1.8T Performance Pack - Level 1

ES#4017065 - b618tpplvl1KT - B6 A4 1.8T Performance Pack - Level 1 - Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits from VIN 8E-4-000001, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017065
Mfg#:
B618TPPLVL1KT
In Stock
ON SALE! SAVE 10%
$389.99

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

$350.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SPA Performance Forged Piston Set

ES#5444934 - CMBMVL016JG035 - SPA Performance Forged Piston Set - For VW/Audi 1.8L 20V 81mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 81mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SPA Performance - Corporate Logo
ES#:
5444934
Mfg#:
CMBMVL016JG035
Ships in 3 Business Days
$699.99 USD
This product is lifetime replacement eligible Lifetime Replacement

IE Race Exhaust Camshaft

ES#4361432 - IECVA1-1 - IE Race Exhaust Camshaft - IE Race Exhaust Camshaft for 500+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Race Exhaust Camshaft for 500+ Horsepower Builds! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361432
Mfg#:
IECVA1-1
Ships in 4 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Race Intake Camshaft

ES#4361431 - IECVA1-2 - IE Race Intake Camshaft - IE Race Intake Camshaft for 500+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Race Intake Camshaft for 500+ Horsepower Builds! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361431
Mfg#:
IECVA1-2
Ships in 4 Business Days
$349.99 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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