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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Most Popular Parts

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Front Upper Strut Mount - Priced Each

ES#3993778 - 4K0413333B - Front Upper Strut Mount - Priced Each - Keep your suspension in top shape - Fits left & right side - Genuine Volkswagen Audi - Audi

Keep your suspension in top shape - Fits left & right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3993778
Mfg#:
4K0413333B
Ships in 1-2 days
2% off MSRP

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

$91.99

This product was last offered at the strikethrough price on
07-08-2026

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Brake Fluid Cap - Black Anodized

ES#4039245 - 020809ECS01-01 - Billet Brake Fluid Cap - Black Anodized - Lose the plastic! - ECS - Audi Volkswagen

Lose the plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4039245
Mfg#:
020809ECS01-01
Ships on Nov 16, 2026
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#5340291 - 4M0121321Q - Coolant Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Audi

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hamburg Tech - Corporate Logo
ES#:
5340291
Mfg#:
4M0121321Q
In Stock
$35.99 USD
Free Shipping
on orders $49 and up

Front Bumper Reflector Film Set - Gunsmoke

ES#3141518 - 020232ECS01 - Front Bumper Reflector Film Set - Gunsmoke - Pre-cut Lamin-X film to cover both orange reflectors on the front bumper cover - ECS - Audi

Pre-cut Lamin-X film to cover both orange reflectors on the front bumper cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits pre-facelift models only - Through the 2018 model year

Brand:
ECS - Corporate Logo
ES#:
3141518
Mfg#:
020232ECS01
Ships in 2 Business Days
ON SALE! SAVE 25%
$47.99

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

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M11 Upgrade Head Stud Set Burnished

ES#4871994 - P101181610.BR - M11 Upgrade Head Stud Set Burnished - High-strength Pro-Series 18.8 stud bolts. - Wagner Tuning - Audi

High-strength Pro-Series 18.8 stud bolts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wagner Tuning - Corporate Logo
ES#:
4871994
Mfg#:
P101181610.BR
Ships in 1 Business Day
ON SALE! SAVE 10%
$599.00

This product was last offered at the strikethrough price on
07-06-2026

$539.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" Wheel Spacer Flush Fit Kit - Black Bolts

ES#4476079 - B9FLUSHKT - 19" Wheel Spacer Flush Fit Kit - Black Bolts - Includes H&R spacers & Black bolts to obtain a flush look on your OE 19" wheels - Assembled By ECS - Audi

Includes H&R spacers & Black bolts to obtain a flush look on your OE 19" wheels 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#:
4476079
Mfg#:
B9FLUSHKT
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$299.99

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

$269.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RaceChip XLR Throttle Controller With App Control

ES#4708646 - 999871 - RaceChip XLR Throttle Controller With App Control - Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control. - Race Chip - Audi

Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4708646
Mfg#:
999871
Ships in 3 Business Days
ON SALE! SAVE 10%
$299.00

This product was last offered at the strikethrough price on
07-01-2026

$269.10 USD
Free Shipping
on orders $49 and up

Transmission Oil Sump and Oil Filter Kit

ES#4476657 - 0D5398009C - Transmission Oil Sump and Oil Filter Kit - A genuine kit that covers everything for the transmission oil pan - Genuine Volkswagen Audi - Audi

A genuine kit that covers everything for the transmission oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4476657
Mfg#:
0D5398009C
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.

$571.99

This product was last offered at the strikethrough price on
02-26-2026

$532.99 USD
Free Shipping
on orders $49 and up

APR Lug Bolts (Set of 10) - 35mm

ES#3570135 - MS100174 - APR Lug Bolts (Set of 10) - 35mm - Black zinc coated 35mm ball set wheel bolts to be used with 6mm, 7mm & 8mm wheel spacers - APR - Audi Volkswagen

Black zinc coated 35mm ball set wheel bolts to be used with 6mm, 7mm & 8mm wheel spacers 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!

Brand:
APR - Corporate Logo
ES#:
3570135
Mfg#:
MS100174
In Stock
12% off MSRP

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

$66.99

This product was last offered at the strikethrough price on
07-08-2026

$58.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Drive Chain

ES#3571755 - 06M109229S - Oil Pump Drive Chain - Drives the oil pump from the crankshaft - Genuine Volkswagen Audi - Audi

Drives the oil pump from the crankshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from production date 4/16/2018

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3571755
Mfg#:
06M109229S
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.

$283.99

This product was last offered at the strikethrough price on
07-08-2026

$264.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Inner Tie Rod - Priced Each

ES#3197354 - 8W0423810A - Inner Tie Rod - Priced Each - Fits left and right side - Genuine Volkswagen Audi - Audi

Fits left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3197354
Mfg#:
8W0423810A
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.

$143.99

This product was last offered at the strikethrough price on
07-08-2026

$131.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper Turbo Inlet Pipe Rebuild Kit - B9/B9.5 Audi S4/S5/SQ5 3.0T

ES#4905843 - 034-108-R001 - SuperDuper Turbo Inlet Pipe Rebuild Kit - B9/B9.5 Audi S4/S5/SQ5 3.0T - Includes new replacement O-rings and Hardware for those lost or damaged during installation. - 034Motorsport - Audi

Includes new replacement O-rings and Hardware for those lost or damaged during installation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4905843
Mfg#:
034-108-R001
In Stock
ON SALE! SAVE 10%
$7.00

This product was last offered at the strikethrough price on
06-28-2026

$6.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EBC BSD Grooved Front Rotors - Pair

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
5434586
Mfg#:
BSD2150
Back Ordered
$521.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Pad Wear Sensor

ES#3087179 - 8W0615121H - Front Brake Pad Wear Sensor - Alerts you when your brake pads begin to wear thin - Genuine Volkswagen Audi - Audi

Alerts you when your brake pads begin to wear thin affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3087179
Mfg#:
8W0615121H
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.

$94.99

This product was last offered at the strikethrough price on
07-08-2026

$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount Installation Kit

ES#4810437 - n90696702KT - Engine Mount Installation Kit - Includes all hardware to replace engine mounts - Genuine Volkswagen Audi - Audi

Includes all hardware to replace engine mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4810437
Mfg#:
N90696702KT
Ships in 1 day
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Trunk Spoiler - Gloss Black

ES#3709285 - ZAW071600MDSP - Trunk Spoiler - Gloss Black - Ideal for those looking to add a competition-inspired touch to their Audi. - Genuine Volkswagen Audi - Audi

Ideal for those looking to add a competition-inspired touch to their Audi. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3709285
Mfg#:
ZAW071600MDSP
Ships in 6 Business Days
4% off MSRP

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

$540.00

This product was last offered at the strikethrough price on
07-08-2026

$517.99 USD
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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