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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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Fuel Supply Hose

ES#390180 - 4F0201218E - Fuel Supply Hose - Connects the fuel filter to fuel line - Genuine Volkswagen Audi - Audi

Connects the fuel filter to fuel line affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
390180
Mfg#:
4F0201218E
Ships in 5 Business Days
9% off MSRP

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

$218.99

This product was last offered at the strikethrough price on
06-12-2026

$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Anti-Theft Service

ES#2063652 - APRTHEFT-SRV - Anti-Theft Service - *Sale applies only to ECU with 3 or 4 program purchase. - APR - Audi Volkswagen

*Sale applies only to ECU with 3 or 4 program purchase. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063652
Mfg#:
APRTHEFT-SRV
In Stock
$199.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Fuel Modules

ES#4415152 - 8E0201317N - Fuel Modules - VDO - Audi

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

Brand:
VDO - Corporate Logo
ES#:
4415152
Mfg#:
8E0201317N
Ships in 1-2 days
$204.99

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

$198.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#2813048 - 06B905379D - Air Temperature Sensor - Mounted on the intake manifold - Hamburg Tech - Audi Volkswagen

Mounted on the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813048
Mfg#:
06B905379D
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tensioning Roller Stud

ES#279996 - 06B109166 - Tensioning Roller Stud - Used for securing the timing belt tensioning roller. M10AxM8x68 - Genuine Volkswagen Audi - Audi

Used for securing the timing belt tensioning roller. M10AxM8x68 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279996
Mfg#:
06B109166
In Stock
10% off MSRP

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

$19.99

This product was last offered at the strikethrough price on
06-12-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#259720 - n90687101 - Spring Clamp - Priced Each - Install new hardware with your new parts. 32x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 32x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259720
Mfg#:
N90687101
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover

ES#3419131 - 06D103469N - Valve Cover - Complete valve cover assembly, includes gaskets and hardware - Vaico - Audi

Complete valve cover assembly, includes gaskets and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3419131
Mfg#:
06D103469N
In Stock
ON SALE! SAVE 36%
$310.07

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

$197.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#4818440 - 06B121058BD - Coolant Return Hose - Connects the hard water pipe to the oil cooler - Bremmen Parts - Audi

Connects the hard water pipe to the oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818440
Mfg#:
06B121058BD
In Stock
ON SALE! SAVE 23%
$16.99

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

$13.05 USD
Free Shipping
on orders $49 and up

Oil Cap Gasket

ES#4020018 - 036115111B - Oil Cap Gasket - Ensure a proper seal between the oil cap and valve cover - MTC - Audi Volkswagen

Ensure a proper seal between the oil cap and valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-3-055001, split is in the 2003 model year

Brand:
MTC - Corporate Logo
ES#:
4020018
Mfg#:
036115111B
Ships in 4 Business Days
$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Coil Cover - Raw

ES#3236028 - 034-107-Z018-R - Stainless Steel Coil Cover - Raw - Precision stamped and bent 304 Stainless coil cover with hardware - 034Motorsport - Audi Volkswagen

Precision stamped and bent 304 Stainless coil cover with hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3236028
Mfg#:
034-107-Z018-R
Ships in 3 Business Days
$65.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Modules

ES#4415157 - 8E0906087P - Fuel Modules - VDO - Audi

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

Brand:
VDO - Corporate Logo
ES#:
4415157
Mfg#:
8E0906087P
Special Order: No Guaranteed ETA
$194.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ITG Drop-In Profilter

ES#4030740 - 15WB-482 - ITG Drop-In Profilter - High grade drop-in filter for your Audi, designed for road or competition use - ITG Air Filters - Audi

High grade drop-in filter for your Audi, designed for road or competition use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ITG Air Filters - Corporate Logo
ES#:
4030740
Mfg#:
15WB-482
Ships in 4 Business Days
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Foam Air Filter

ES#2623179 - PP1598 - Performance Foam Air Filter - More air flow means more power! Direct replacement with long service life - Pipercross - Audi

More air flow means more power! Direct replacement with long service life affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pipercross - Corporate Logo
ES#:
2623179
Mfg#:
PP1598
Ships on Jul 7, 2026
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
4140429
Mfg#:
8E1820031
In Stock at Vendor
$194.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner Replacement Kit

ES#3190171 - 917-021 - Cam Chain Tensioner Replacement Kit - Everything needed for replacing your faulty cam chain tensioner - Dorman - Audi Volkswagen

Everything needed for replacing your faulty cam chain tensioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3190171
Mfg#:
917-021
Back Ordered
$193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Track Density Line Transmission Mount

ES#2952016 - 034-509-4021td - Track Density Line Transmission Mount - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 5-speed manual transmissions only

Brand:
034Motorsport - Corporate Logo
ES#:
2952016
Mfg#:
034-509-4021TD
Back Ordered
Auto Notify
$88.99

This product was last offered at the strikethrough price on
02-11-2026

$48.00 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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