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Audi S4 Most Popular Parts

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Solenoid Valve - Priced Each

ES#4818410 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Bremmen Parts - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818410
Mfg#:
037906283C
In Stock
ON SALE! SAVE 15%
$45.99

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

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 3.0T Kohlefaser Luft-Technik Intake System

ES#3545247 - 023796ECS04 - Audi B9 S4/S5 3.0T Kohlefaser Luft-Technik Intake System - Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Carbon Fiber Cold Air Intake - ECS - Audi

Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Carbon Fiber Cold Air Intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3545247
Mfg#:
023796ECS04
In Stock
ON SALE! SAVE 15%
$998.99

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

$849.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set - Priced Each

ES#2303 - 06B198151B - Piston Ring Set - Priced Each - One set required per piston - Goetze - Audi Volkswagen

One set required per piston affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Goetze - Corporate Logo
ES#:
2303
Mfg#:
06B198151B
In Stock
$51.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Upper Spring Plate - Priced Each

ES#437263 - 8E0512149P - Rear Upper Spring Plate - 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#:
437263
Mfg#:
8E0512149P
In Stock
24% off MSRP

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

$45.58

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

$34.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 A4/S4 Front 32mm & Rear 25mm Sway Bar Kit

ES#4609000 - 000601LA01FRKT - Audi B6/B7 A4/S4 Front 32mm & Rear 25mm Sway Bar Kit - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4609000
Mfg#:
000601LA01FRKT
In Stock
ON SALE! SAVE 10%
$672.99

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

$605.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Tekniform Style 013 - Set Of Four

ES#4338092 - 013-2KT - 19" Tekniform Style 013 - Set Of Four - 19"x8.5" ET40 5x112 - Matte Gunmetal - Tekniform - Audi BMW MINI

19"x8.5" ET40 5x112 - Matte Gunmetal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Tekniform - Corporate Logo
ES#:
4338092
Mfg#:
013-2KT
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 20%
$1323.99

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

$1058.82 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Aero Wiper Blade Set

ES#4997 - 3397118933 - Front Aero Wiper Blade Set - Clear up streaks & improve rainy day visibility - Bosch - Audi

Clear up streaks & improve rainy day visibility affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Sedan & Avant models

Brand:
Bosch - Corporate Logo
ES#:
4997
Mfg#:
3397118933
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#4494226 - 06M133062L - Throttle Body - Complete throttle body unit - Genuine Volkswagen Audi - Audi

Complete throttle body unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4494226
Mfg#:
06M133062L
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.

$658.99

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

$602.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt - 14x1.5x27mm - Priced Each

ES#3560839 - S17D27R13ZNNI - Ball Seat Wheel Bolt - 14x1.5x27mm - Priced Each - Black zinc coated wheel bolts made specifically for OE wheels - ECS - Audi Volkswagen

Black zinc coated wheel bolts made specifically for OE wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3560839
Mfg#:
S17D27R13ZNNI
In Stock
ON SALE! SAVE 44%
$5.99

This product was last offered at the strikethrough price on
12-22-2025

$3.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2435 - 1K0998262AB - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits left and right rear position

Brand:
Bosch - Corporate Logo
ES#:
2435
Mfg#:
1K0998262AB
In Stock at Vendor
$180.99

This product was last offered at the strikethrough price on
02-21-2026

$144.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 S4 Muffler Delete Kit - With 4.0" Black Chrome Tips

ES#4660138 - 042002la01KT - B6 S4 Muffler Delete Kit - With 4.0" Black Chrome Tips - Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! - ECS - Audi

Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4660138
Mfg#:
042002LA01KT
Ships in 5 Business Days
ON SALE! SAVE 10%
$463.99

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

$417.56 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Cam Follower - Priced Each

ES#2667 - 058109309F - Intake Cam Follower - Priced Each - Replace your worn down followers - Ina - Audi Volkswagen

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

Brand:
Ina - Corporate Logo
ES#:
2667
Mfg#:
058109309F
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear RedStuff Performance Brake Pad Set

ES#517837 - DP3680C - Rear RedStuff Performance Brake Pad Set - A high performance street pad, featuring Kevlar technology - EBC - Audi Volkswagen

A high performance street pad, featuring Kevlar technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
EBC - Corporate Logo
ES#:
517837
Mfg#:
DP3680C
In Stock
5% off MSRP

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

$109.45

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

$103.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated (Louder)

ES#3240938 - SSXAU657 - Cat-Back Exhaust System - Non-Resonated (Louder) - 2.50" stainless steel with quad GT-90 titanium tips - Milltek Sport - Audi

2.50" stainless steel with quad GT-90 titanium tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models without factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3240938
Mfg#:
SSXAU657
Ships in 3 Business Days
$4158.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 / C7 Brake Cooling Duct Set

ES#4353029 - 006945la04 - Audi B8 / C7 Brake Cooling Duct Set - Increase air flow to your brakes! - ECS - Audi

Increase air flow to your brakes! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4353029
Mfg#:
006945LA04
In Stock
$91.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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