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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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RaceChip RS With App Control

Get up to +55 hp and +61 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For pre-facelift vehicles with CYMC engine Code

Brand:
Race Chip - Corporate Logo
ES#:
4339090
Mfg#:
906972
Ships in 3 Business Days
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

18" Wheel Spacer Flush Fit Kit - Polished Bolts

ES#3103499 - 019204ecs01KT - 18" Wheel Spacer Flush Fit Kit - Polished Bolts - Includes spacers & Polished bolts to obtain a flush look on your OE 18" wheels - ECS - Audi

Includes spacers & Polished bolts to obtain a flush look on your OE 18" wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3103499
Mfg#:
019204ECS01KT
Back Ordered
Auto Notify
ON SALE! SAVE 15%
$263.99

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

$224.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing Hook-Up - Polished

ES#3137380 - 005887ECS01KT3 - Billet Aluminum Oil Filter Housing Hook-Up - Polished - Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! - Assembled By ECS - Audi

Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3137380
Mfg#:
005887ECS01KT3
In Stock
ON SALE! SAVE 19%
$137.99

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

$112.14 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Front Lower Control Arm Bushing - Inner - Priced Each

ES#3188077 - 8K0407182B - Front Lower Control Arm Bushing - Inner - Priced Each - Can be used on either the right or left side. - Lemforder - Audi

Can be used on either the right or left side. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For the straight control arm

Brand:
Lemforder - Corporate Logo
ES#:
3188077
Mfg#:
8K0407182B
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 12.5mm Wheel Spacers - Pair (With Bolts)

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430394
Mfg#:
SPACER125665CB
In Stock at Vendor
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan - Front Section

ES#4666860 - 8w0863821fKT - Front Belly Pan - Front Section - Reduces noise and protects your undercarriage - Genuine Volkswagen Audi - Audi

Reduces noise and protects your undercarriage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4666860
Mfg#:
8W0863821FKT
Ships in 1-2 days
$439.99 USD
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - 12mm (1 Pair)

ES#2538524 - 2455668 - DR Series Wheel Spacers - 12mm (1 Pair) - Get a new set of spacers and widen the stance of your vehicle - H&R - Audi MINI Porsche

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 13.5mm. Inside wheel bevel = 4.0 x 45 degrees

Brand:
H&R - Corporate Logo
ES#:
2538524
Mfg#:
2455668
Ships in 3 Business Days
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ambient Air Temperature Probe

ES#4872096 - 8Z0820535B - Ambient Air Temperature Probe - Measures the outside air temperature - URO - Audi Volkswagen

Measures the outside air temperature 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#:
4872096
Mfg#:
8Z0820535B
Back Ordered
Auto Notify
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit

ES#4810472 - 4m0121095KT - Radiator Installation Kit - Install new hardware with your new radiator - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4810472
Mfg#:
4M0121095KT
Ships in 2 Business Days
$146.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Split Valve Keeper - Priced Each

ES#3706887 - 0000531126 - Split Valve Keeper - Priced Each - Engine Valve Spring Retainer Keeper - Split cotter for intake or exhaust valve. Two required per valve - TRW - Audi Volkswagen

Engine Valve Spring Retainer Keeper - Split cotter for intake or exhaust valve. Two required per valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TRW - Corporate Logo
ES#:
3706887
Mfg#:
0000531126
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan & Installation Kit

ES#4766087 - 8W0807611FKT - Front Belly Pan & Installation Kit - Includes a replacement belly pan with all necessary mounting hardware - Genuine Volkswagen Audi - Audi

Includes a replacement belly pan with all necessary mounting hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For facelift models only w/S-line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4766087
Mfg#:
8W0807611FKT
Ships in 1-2 days
$433.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Assembly - Priced Each

Fits left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with DSG transmission only

Brand:
Hudson - Corporate Logo
ES#:
5457600
Mfg#:
8W0407271D
Back Ordered
$216.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#2696531 - 8K0253115L - Exhaust Gasket - Located between turbocharger and catalytic converter - Genuine Volkswagen Audi - Audi

Located between turbocharger and catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2696531
Mfg#:
8K0253115L
In Stock
7% off MSRP

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

$14.99

This product was last offered at the strikethrough price on
06-26-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler With Gasket

A possible source of leaking oil or coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Febi - Corporate Logo
ES#:
5374218
Mfg#:
06L117021G
In Stock at Vendor
$84.99

This product was last offered at the strikethrough price on
05-01-2026

$71.99 USD
Free Shipping
on orders $49 and up

Intercooler

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

Brand:
Nissens - Corporate Logo
ES#:
4823463
Mfg#:
8W0145805AD
In Stock at Vendor
$220.99

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

$214.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Rotor - Priced Each (338x30)

ES#3139827 - 8W0615301AB - Front Brake Rotor - Priced Each (338x30) - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3139827
Mfg#:
8W0615301AB
Ships in 2 Business Days
5% off MSRP

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

$226.99

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

$214.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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