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Audi B6 A4 FWD 1.8T

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Audi B6 A4 FWD 1.8T Engine Parts & Accessories

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Mass Air Flow Sensor (MAF)

ES#5374642 - 06A906461L - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bremmen Parts - Audi Volkswagen

Restore fuel economy and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374642
Mfg#:
06A906461L
Ships on Oct 15, 2026
Auto Notify
ON SALE! SAVE 21%
$67.99

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

$53.85 USD
Free Shipping
on orders $49 and up
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

Valve Cover Gasket Set

ES#252629 - 058198025A - Valve Cover Gasket Set - Stop oil leaks and prevent internal engine damage - Victor Reinz - Audi Volkswagen

Stop oil leaks and prevent internal engine damage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
252629
Mfg#:
058198025A
Ships in 1 day
$51.99

This product was last offered at the strikethrough price on
05-07-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Plus Timing Belt Kit - With Gates Racing Timing Belt

ES#2569782 - 06B198500KT - Ultimate Plus Timing Belt Kit - With Gates Racing Timing Belt - Looking for the best timing belt kit on the market? Look no further than ECS Tuning - Assembled By ECS - Audi

Looking for the best timing belt kit on the market? Look no further than ECS Tuning affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2569782
Mfg#:
06B198500KT
Ships on Jul 17, 2026
Auto Notify
ON SALE! SAVE 13%
$429.99

This product was last offered at the strikethrough price on
03-24-2026

$373.16 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Fan Control Module (600W)

ES#441169 - 8E0959501AG - Radiator Fan Control Module (600W) - Keep your cooling system operating properly - Genuine Volkswagen Audi - Audi

Keep your cooling system operating properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Please check existing part number for proper control module

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
441169
Mfg#:
8E0959501AG
Ships in 1 day
8% off MSRP

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

$811.99

This product was last offered at the strikethrough price on
03-23-2026

$742.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket

ES#277627 - 058129717D - Intake Manifold Gasket - Ensure a proper seal to prevent or stop air leaks - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal to prevent or stop air leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277627
Mfg#:
058129717D
In Stock
27% off MSRP

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

$21.18

This product was last offered at the strikethrough price on
02-23-2026

$15.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#4785785 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - URO - Audi Volkswagen

Measures cam position and relays it to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4785785
Mfg#:
058905161B
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2535127 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - URO - Audi Volkswagen

Secures the coolant temperature sensor in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535127
Mfg#:
032121142
In Stock
$1.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer Fluid Reservoir Cap

ES#261694 - 1K0955455 - Washer Fluid Reservoir Cap - Keep your washer fluid free from debris - Genuine Volkswagen Audi - Audi Volkswagen

Keep your washer fluid free from debris affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261694
Mfg#:
1K0955455
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#3463391 - 8E1819373R - Coolant Return Hose - Connects the heater core to the hard coolant pipe - Hudson - Audi

Connects the heater core to the hard coolant pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3463391
Mfg#:
8E1819373R
In Stock
$27.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#2627303 - 8E1819371B - Heater Core Hose - Supply - Connects the flange to the heater core pipe - Rein - Audi

Connects the flange to the heater core pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627303
Mfg#:
8E1819371B
In Stock at Vendor
$29.99

This product was last offered at the strikethrough price on
05-07-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit - Ultimate

ES#3176154 - 06b109119fKT - Timing Belt Kit - Ultimate - Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. - Assembled By ECS - Audi

Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3176154
Mfg#:
06B109119FKT
Ships on Jul 17, 2026
Auto Notify
$720.99

This product was last offered at the strikethrough price on
06-11-2026

$718.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Control Valve (N75)

ES#4858458 - 034-145-D006 - Boost Control Valve (N75) - An excellent stock replacement. - 034Motorsport - Audi Volkswagen

An excellent stock replacement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858458
Mfg#:
034-145-D006
Back Ordered
$180.00 USD
Free Shipping
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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