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Audi S4 Most Popular Parts

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Pauter 4340 Chromoly Cross-Beam Connecting Rod Set

ES#4745585 - 220-588-1530FD - Pauter 4340 Chromoly Cross-Beam Connecting Rod Set - Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable. - 034Motorsport - Audi

Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4745585
Mfg#:
220-588-1530FD
Ships in 2 Business Days
$2000.00 USD
Free Shipping

Pauter 4340 Chromoly Cross-Beam Connecting Rod Set

ES#4745586 - 220-588-15503.0 - Pauter 4340 Chromoly Cross-Beam Connecting Rod Set - Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable. - 034Motorsport - Audi

Forged from 4340 Chrome Moly, their unique cross-beam design structure has proven extremely strong and reliable. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4745586
Mfg#:
220-588-15503.0
Ships in 2 Business Days
$2000.00 USD
Free Shipping

IE Valved Catback Exhaust, Audi B9 S4

ES#5527498 - IEEXCK13 - IE Valved Catback Exhaust, Audi B9 S4 - This catback comes with app-controlled valves: open them for the full note, close them for a quiet cruise, no extra hardware to keep track of. - Integrated Engineering - Audi

This catback comes with app-controlled valves: open them for the full note, close them for a quiet cruise, no extra hardware to keep track of.

Brand:
Integrated Engineering - Corporate Logo
ES#:
5527498
Mfg#:
IEEXCK13
Ships in 4 Business Days
$1999.99 USD
Free Shipping

Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5

ES#3220796 - 017429ECS01 - Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3220796
Mfg#:
017429ECS01
In Stock
ON SALE! SAVE 44%
$178.99

This product was last offered at the strikethrough price on
05-14-2026

$99.99 USD
Free Shipping

Screw - Priced Each

ES#2876900 - WHT000237A - Screw - Priced Each - Secures the wheel bearing to the spindle. M12x1.5x45 - Febi - Audi Volkswagen

Secures the wheel bearing to the spindle. M12x1.5x45 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2876900
Mfg#:
WHT000237A
Ships in 1 Business Day
$2.88

This product was last offered at the strikethrough price on
11-01-2026

$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pump

ES#450334 - 8K0145156L - Power Steering Pump - Brand new power steering pump, no core charge - Genuine Volkswagen Audi - Audi

Brand new power steering pump, no core charge For vehicles with Dynamic Steering.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450334
Mfg#:
8K0145156L
Ships in 6 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.

$2096.99

This product was last offered at the strikethrough price on
10-26-2026

$1996.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro Series Head Stud Set

ES#4686116 - P101161610.BR - Pro Series Head Stud Set - Upgraded head studs - Wagner Tuning - Audi

Upgraded head studs

Brand:
Wagner Tuning - Corporate Logo
ES#:
4686116
Mfg#:
P101161610.BR
Back Ordered
$499.00 USD
Free Shipping

Front Brake Caliper (Red) - Left

ES#3607752 - 8W0615107AF - Front Brake Caliper (Red) - Left - Restore Stopping Power - Genuine Volkswagen Audi - Audi

Restore Stopping Power

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3607752
Mfg#:
8W0615107AF
Ships on Nov 17, 2026
6% off MSRP

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

$1062.99

This product was last offered at the strikethrough price on
10-26-2026

$996.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#4871986 - 8K0201511TA - Fuel Filter - Located inside the fuel tank - Bremmen Parts - Audi

Located inside the fuel tank 10X Entries Into Our F80 M3 Sweepstakes

From the 2013 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871986
Mfg#:
8K0201511TA
In Stock
ON SALE! SAVE 15%
$101.99

This product was last offered at the strikethrough price on
09-16-2026

$86.69 USD
Free Shipping
on orders $49 and up

Flywheel/Pressure Plate Installation Kit

ES#2587759 - N90705901KT2 - Flywheel/Pressure Plate Installation Kit - Includes the required hardware to secure your new flywheel and pressure plate - Assembled By ECS - Audi

Includes the required hardware to secure your new flywheel and pressure plate 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587759
Mfg#:
N90705901KT2
In Stock
ON SALE! SAVE 20%
$103.99

This product was last offered at the strikethrough price on
06-15-2026

$82.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DRA Series Wheel Spacers (Black) - 25mm (1 Pair)

ES#2695897 - 5055571SW - DRA Series Wheel Spacers (Black) - 25mm (1 Pair) - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2695897
Mfg#:
5055571SW
Ships in 3 Business Days
10% off MSRP

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

$169.99

This product was last offered at the strikethrough price on
10-01-2026

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Oil Filter Housing

ES#5434071 - 06M115401LM - Aluminum Oil Filter Housing - Manufactured from cast aluminum instead of plastic for improved durability. - Bremmen Parts - Audi

Manufactured from cast aluminum instead of plastic for improved durability. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5434071
Mfg#:
06M115401LM
In Stock
ON SALE! SAVE 15%
$166.99

This product was last offered at the strikethrough price on
09-16-2026

$141.94 USD
Free Shipping
on orders $49 and up

Fuel Rail Line

ES#1904950 - 06E127501AA - Fuel Rail Line - This fuel line connects the left and right fuel rails to the HPFP - Genuine Volkswagen Audi - Audi

This fuel line connects the left and right fuel rails to the HPFP

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1904950
Mfg#:
06E127501AA
Ships in 2 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.

$271.99

This product was last offered at the strikethrough price on
10-05-2026

$247.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coil - Red - Priced Each

ES#4708244 - VWR900001 - RacingLine Higher Output Ignition Coil - Red - Priced Each - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.

Brand:
Racingline - Corporate Logo
ES#:
4708244
Mfg#:
VWR900001
In Stock
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit

ES#3647777 - 48322KT - Timing Chain Kit - Includes the upgraded RS4 metal guide rail, OEM & Bremmen additional guide rails, timing chains and tensioners - The essentials necessary to get the job done! - Assembled By ECS - Audi

Includes the upgraded RS4 metal guide rail, OEM & Bremmen additional guide rails, timing chains and tensioners - The essentials necessary to get the job done! 10X Entries Into Our F80 M3 Sweepstakes
Up to VIN# 8E-4-200 000, split is in 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647777
Mfg#:
48322KT
In Stock
ON SALE!
$992.99

This product was last offered at the strikethrough price on
09-04-2026

$990.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

X-Brace Stretch Bolt Subframe Hardware Kit

ES#3971172 - 034-603-Z006 - X-Brace Stretch Bolt Subframe Hardware Kit - Complete factory subframe bolt kit for the B8.5 (Facelift) Audi A4/S4, A5/S5, and Q5. - 034Motorsport - Audi

Complete factory subframe bolt kit for the B8.5 (Facelift) Audi A4/S4, A5/S5, and Q5. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3971172
Mfg#:
034-603-Z006
In Stock
$36.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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