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Audi S4 Most Popular Parts

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Allen Bolt - Priced Each

ES#2152 - N01473911 - Allen Bolt - Priced Each - Install new hardware with your new parts. M8x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the pressure plate to the flywheel

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2152
Mfg#:
N01473911
In Stock
$4.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" Rotiform RSE Wheels - Set Of Four

ES#4750281 - R141198542+35KT1 - 19" Rotiform RSE Wheels - Set Of Four - 19X8.5 ET35 5X112 57.1CB - Matte Anthracite - Rotiform - Audi Volkswagen

19X8.5 ET35 5X112 57.1CB - Matte Anthracite affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rotiform - Corporate Logo
ES#:
4750281
Mfg#:
R141198542+35KT1
In Stock
$1627.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor

ES#4414689 - 06E906052 - Mass Air Flow Sensor - VDO - Audi Volkswagen

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#:
4414689
Mfg#:
06E906052
Ships in 6 Business Days
$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Compressor Intercooler O-Ring - Priced Each

ES#1304261 - 06E145723E - Compressor Intercooler O-Ring - Priced Each - Seals the inner ends of the intercoolers to the front of the supercharger compressor - Genuine Volkswagen Audi - Audi

Seals the inner ends of the intercoolers to the front of the supercharger compressor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1304261
Mfg#:
06E145723E
Ships in 1 day
37% off MSRP

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

$58.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Upgrade Kit - Stage 4 - 2-Piece Rotors (380x34)

ES#3221135 - 003883ecs01ktKT4 - Front Big Brake Upgrade Kit - Stage 4 - 2-Piece Rotors (380x34) - Everything necessary to upgrade your stage-3 RS caliper 365mm kit to the stage-4 380mm kit. - ECS - Audi

Everything necessary to upgrade your stage-3 RS caliper 365mm kit to the stage-4 380mm kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For customers with existing 365mm ECS Stage 3 Brake Kit with Audi RS5 Calipers

Brand:
ECS - Corporate Logo
ES#:
3221135
Mfg#:
003883ECS01KTKT4
Ships on Oct 29, 2026
Auto Notify
ON SALE!
$1676.99

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

$1626.68 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Heavy Weight Shift Knob SCHWARZ - Full Billet

ES#3022028 - GS1S - BFI Heavy Weight Shift Knob SCHWARZ - Full Billet - Weighing in at approximately 250 grams the added inertial mass makes shifting effort substantially less while speeding up the process at the same time. - Black Forest Industries - Audi Volkswagen

Weighing in at approximately 250 grams the added inertial mass makes shifting effort substantially less while speeding up the process at the same time. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3022028
Mfg#:
GS1S
Ships on Jul 14, 2026
Auto Notify
$124.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Delete Plug Set - Audi B8/C7

ES#4373491 - 012590LA01 - Front Axle Delete Plug Set - Audi B8/C7 - Easily allows the removal of front axles when converting your B8 A4/S4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of front axles when converting your B8 A4/S4 to RWD (rear wheel drive) from Quattro affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
100% reversible RWD kit when paired with our Center Diff Delete (ES4375353)

Brand:
ECS - Corporate Logo
ES#:
4373491
Mfg#:
012590LA01
In Stock
ON SALE! SAVE 25%
$113.99

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

$85.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Rotiform RSE Wheels - Set Of Four

ES#4750178 - R1401985F3+45KT1 - 19" Rotiform RSE Wheels - Set Of Four - 19x8.5 ET45 5X112 66.6CB - Gloss Silver - Rotiform - Audi BMW Mercedes Benz

19x8.5 ET45 5X112 66.6CB - Gloss Silver affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rotiform - Corporate Logo
ES#:
4750178
Mfg#:
R1401985F3+45KT1
Back Ordered
Auto Notify
$1623.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Premium Performance Coilover Kit

Ultra lightweight aluminum performance kit. Average lowering of 1.6"-2.5"F 1.3"-2.0"R 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!
Fits Avant models only

Brand:
H&R - Corporate Logo
ES#:
1303511
Mfg#:
39471-2
Ships in 3 Business Days
$1622.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Repair Kit

ES#5434470 - 06E998907EKT3 - Fuel Injector Repair Kit - A simple kit to service the injectors - Assembled By ECS - Audi

A simple kit to service the injectors 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#:
5434470
Mfg#:
06E998907EKT3
In Stock
ON SALE!
$270.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultra Low Coilover System - Fixed Damping

ES#627 - 50011-1 - Ultra Low Coilover System - Fixed Damping - Extreme lowering for the extreme enthusiasts - H&R - Audi

Extreme lowering for the extreme enthusiasts 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!
Fits Sedan models only. Height adjustable from 2.0" to 3.0" Front & 2.0" to 3.0" Rear

Brand:
H&R - Corporate Logo
ES#:
627
Mfg#:
50011-1
Ships in 3 Business Days
$1620.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Tie Rod Set

ES#4701674 - TRS-005 - Adjustable Rear Tie Rod Set - Enables very precise setting of rear geometry settings. A must-have for track or race use! - Verkline - Audi

Enables very precise setting of rear geometry settings. A must-have for track or race use! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Verkline - Corporate Logo
ES#:
4701674
Mfg#:
TRS-005
Ships in 1 Business Day
$324.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#467607 - N10196103 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x18 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467607
Mfg#:
N10196103
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2748190 - ECS10612KTWBC1 - ECS Wheel Spacer & Bolt Kit - 8mm With Black Conical Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2748190
Mfg#:
ECS10612KTWBC1
In Stock
ON SALE! SAVE 25%
$134.99

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

$101.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Windshield Washer Pump

ES#259968 - 1k6955651 - Windshield Washer Pump - Keep your windshield clean - Continental - Audi Volkswagen MINI

Keep your windshield clean affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Avant models only

Brand:
Continental - Corporate Logo
ES#:
259968
Mfg#:
1K6955651
In Stock
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters)

ES#3420837 - 00004330575 - G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters) - Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. - Zerex - Audi Volkswagen Mercedes Benz Porsche

Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Back Ordered
$40.99

This product was last offered at the strikethrough price on
03-29-2026

$29.99 USD
Free Shipping
on orders $49 and up

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