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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Most Popular Parts

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Expansion Tank Replacement Kit

ES#3969908 - 8w0121405fKT1 - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Genuine Volkswagen Audi - Audi

Install a brand new expansion tank with a new cap and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from production date 11/13/2017 up to 1/14/2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3969908
Mfg#:
8W0121405FKT1
Ships in 2 Business Days
$252.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Bushing - Inner - Priced Each

ES#2876559 - 8K0407182B - Front Lower Control Arm Bushing - Inner - Priced Each - Fits the right and left side - Febi - Audi

Fits the right and left side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For the straight control arm

Brand:
Febi - Corporate Logo
ES#:
2876559
Mfg#:
8K0407182B
In Stock
ON SALE!
$13.99

This product was last offered at the strikethrough price on
06-25-2026

$13.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm - Curved - Left

ES#4334165 - 8W0407693B - Front Lower Control Arm - Curved - Left - Keep your suspension in top shape - Meyle HD - Audi

Keep your suspension in top shape affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle HD - Corporate Logo
ES#:
4334165
Mfg#:
8W0407693B
In Stock at Vendor
$256.99

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

$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Oil Cap - Purple

ES#4165017 - VTT-VAG-OILCAPP - Billet Oil Cap - Purple - Billet aluminum oil cap to spice up your engine bay. - Vargas Turbo Technologies - Audi Volkswagen Porsche

Billet aluminum oil cap to spice up your engine bay. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles up through the 2020 model year only

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4165017
Mfg#:
VTT-VAG-OILCAPP
Back Ordered
Auto Notify
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Kit

ES#3764929 - CTS-DV-0002-B9 - Diverter Valve Kit - The CTS Turbo 2.0T recirculating DV KIT replaces the factory plastic unit which has been prone to failure from torn diaphragms, cracked plastic, and electrical malfunctions. - CTS - Audi

The CTS Turbo 2.0T recirculating DV KIT replaces the factory plastic unit which has been prone to failure from torn diaphragms, cracked plastic, and electrical malfunctions. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3764929
Mfg#:
CTS-DV-0002-B9
Ships in 7 Business Days
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4384571 - 06L121012M - Water Pump - A key component to maintaining engine temperatures - Genuine Volkswagen Audi - Audi Volkswagen

A key component to maintaining engine temperatures affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with DPAA Engine Code Only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4384571
Mfg#:
06L121012M
Ships in 1-2 days
7% off MSRP

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

$264.99

This product was last offered at the strikethrough price on
06-27-2026

$246.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FloorLiner DigitalFit - Set - Black

ES#3419520 - 449371KT - FloorLiner DigitalFit - Set - Black - Laser measured for perfect fitment and ultimate protection against moisture and debris - WeatherTech - Audi

Laser measured for perfect fitment and ultimate protection against moisture and debris affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 2nd floor mat row retention

Brand:
WeatherTech - Corporate Logo
ES#:
3419520
Mfg#:
449371KT
Ships in 6 Business Days
$246.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Oil Pan With Gasket

ES#4768294 - 0CK321359M - Transmission Oil Pan With Gasket - Replace your cracked or broken pan - Hengst - Audi
ECS Tuning recommends this product.

Replace your cracked or broken pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Hengst - Corporate Logo
ES#:
4768294
Mfg#:
0CK321359M
Ships on Jul 21, 2026
ON SALE!
$129.99

This product was last offered at the strikethrough price on
06-25-2026

$123.49 USD
Free Shipping

Water Pump Union

ES#4352640 - 06L121131 - Water Pump Union - Connects water pump module to oil cooler - Rein - Audi Volkswagen

Connects water pump module to oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4352640
Mfg#:
06L121131
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm With Conical Seat Bolts

ES#2568314 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2568314
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$134.99

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

$121.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Lower

ES#4147436 - 06K109210AF - Timing Chain Cover - Lower - Cover for lower section of timing chain - Includes front crank seal and sealant - URO - Audi Volkswagen

Cover for lower section of timing chain - Includes front crank seal and sealant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4147436
Mfg#:
06K109210AF
Ships in 1 Business Day
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heated Mirror Glass - Right

ES#3087541 - 8W0857536K - Heated Mirror Glass - Right - Replace your cracked or broken piece - Genuine Volkswagen Audi - Audi

Replace your cracked or broken piece affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without Anti-Dazzle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3087541
Mfg#:
8W0857536K
Ships in 7 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.

$263.99

This product was last offered at the strikethrough price on
06-27-2026

$240.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#4342380 - 03C127311 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - Febi - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342380
Mfg#:
03C127311
Ships in 1-2 days
$7.99

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

$4.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Bumper Valance - Satin Black

ES#3087295 - 8W0807521A9B9 - Rear Bumper Valance - Satin Black - Rear valance for dual exit, single tip design - Genuine Volkswagen Audi - Audi

Rear valance for dual exit, single tip design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits standard bumper models up through the 2018 model year only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3087295
Mfg#:
8W0807521A9B9
Ships in 1-2 days
8% off MSRP

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

$261.99

This product was last offered at the strikethrough price on
06-27-2026

$239.99 USD
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - 15mm (1 Pair)

ES#2561829 - 3055668 - DR Series Wheel Spacers - 15mm (1 Pair) - Get a new set of spacers and widen the stance of your vehicle - H&R - Audi

Get a new set of spacers and widen the stance of your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Maximum factory hub height of up to 17mm. Inside wheel bevel = 4.0 x 45 degrees

Brand:
H&R - Corporate Logo
ES#:
2561829
Mfg#:
3055668
Ships in 3 Business Days
$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Upper

ES#4304718 - 06K103269F - Timing Chain Cover - Upper - Upper timing cover located on the cylinder head - Hamburg Tech - Audi Volkswagen

Upper timing cover located on the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with engine codes CYMC, DAYB, DLHB, CYNB

Brand:
Hamburg Tech - Corporate Logo
ES#:
4304718
Mfg#:
06K103269F
Ships in 1 Business Day
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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