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Audi C4 S4 Quattro 20v T Most Popular Parts

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Camshaft / Crankshaft Seal - Priced Each

ES#2550771 - 026103085D - Camshaft / Crankshaft Seal - Priced Each - Stop oil leaks and prevent internal engine damage. 47x10 - Elring - Audi Volkswagen

Stop oil leaks and prevent internal engine damage. 47x10 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2550771
Mfg#:
026103085D
In Stock
$5.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 10mm With Conical Seat Bolts

ES#2649763 - 00240302A10KT1 - ECS Wheel Spacer & Bolt Kit - 10mm With 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2649763
Mfg#:
00240302A10KT1
In Stock
ON SALE! SAVE 25%
$144.99

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

$108.74 USD
Free Shipping
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.

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Ships in 1 Business Day
$40.67

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

$29.99 USD
Free Shipping
on orders $49 and up

SXV T9302 Recirculating Bypass Valve

ES#4907811 - T9302 - SXV T9302 Recirculating Bypass Valve - Direct-fit performance solution for the weak factory diverter valve - Go Fast Bits - Audi Volkswagen Porsche

Direct-fit performance solution for the weak factory diverter valve

Brand:
Go Fast Bits - Corporate Logo
ES#:
4907811
Mfg#:
T9302
In Stock
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - Anodized Black

ES#2224448 - FMDV008 - 008 Premium Diverter Valve - Anodized Black - Smaller, tougher and tuneable - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable

Brand:
Forge - Corporate Logo
ES#:
2224448
Mfg#:
FMDV008
Back Ordered
ON SALE! SAVE 10%
$264.99

This product was last offered at the strikethrough price on
09-18-2026

$238.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission Service Kit with Magnetic Drain/Fill Plugs - *ECS Recommends*

ES#2748767 - n90917801kt - Manual Transmission Service Kit with Magnetic Drain/Fill Plugs - *ECS Recommends* - Featuring 3 Quarts of Redline MT-90 fluid and ECS Magnetic Drain Plug and Fill plugs to service your transmission. M24x1.5 - Assembled By ECS - Audi Volkswagen

Featuring 3 Quarts of Redline MT-90 fluid and ECS Magnetic Drain Plug and Fill plugs to service your transmission. M24x1.5 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2748767
Mfg#:
N90917801KT
In Stock
ON SALE! SAVE 16%
$153.99

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

$129.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

DR Series Wheel Spacers - 15mm (1 Pair)

ES#274 - 3055571 - DR Series Wheel Spacers - 15mm (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#:
274
Mfg#:
3055571
In Stock
10% off MSRP

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

$119.99

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

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Sport Strut - Priced Each

ES#2983398 - 34-003695 - Front Sport Strut - Priced Each - Recommend for cars with lowering springs - Bilstein - Audi

Recommend for cars with lowering springs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bilstein - Corporate Logo
ES#:
2983398
Mfg#:
34-003695
In Stock
33% off MSRP

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

$303.00

This product was last offered at the strikethrough price on
09-18-2026

$204.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M14 Titanium Wheel Stud Kit - Raw - Set Of 20

ES#4487743 - TISTUD20145RAW - M14 Titanium Wheel Stud Kit - Raw - Set Of 20 - M14x1.5x75mm with conical nuts - Vargas Turbo Technologies - Audi Volkswagen

M14x1.5x75mm with conical nuts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4487743
Mfg#:
TISTUD20145RAW
Ships in 10 Business Days
$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - 3 Way adjustable Vacuum Port - Alloy

ES#3619942 - FMDV008PA-S - 008 Premium Diverter Valve - 3 Way adjustable Vacuum Port - Alloy - Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port

Brand:
Forge - Corporate Logo
ES#:
3619942
Mfg#:
FMDV008PA-S
In Stock
ON SALE! SAVE 10%
$204.99

This product was last offered at the strikethrough price on
09-18-2026

$184.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Wheel Spacer Pair - 5mm

ES#3618559 - 034-604-7000 - 034Motorsport Wheel Spacer Pair - 5mm - Dual bolt pattern spacers designed to fit most VW/Audi vehicles with 5x112 and 5x100 bolt patterns and 57.1mm center bore - 034Motorsport - Audi Volkswagen

Dual bolt pattern spacers designed to fit most VW/Audi vehicles with 5x112 and 5x100 bolt patterns and 57.1mm center bore 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3618559
Mfg#:
034-604-7000
Ships in 2 Business Days
$78.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Zerex Coolant / Antifreeze - Pink G40 (Prediluted) 1 Gallon

ES#4906329 - 861399 - Zerex Coolant / Antifreeze - Pink G40 (Prediluted) 1 Gallon - MBZ Approval: 325.5 / 325.6 - Zerex - Audi Volkswagen Mercedes Benz Porsche

MBZ Approval: 325.5 / 325.6

Brand:
Zerex - Corporate Logo
ES#:
4906329
Mfg#:
861399
In Stock
$28.99

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

$24.99 USD
Free Shipping
on orders $49 and up

66.6-57.1 Hub Centric Ring - Priced Each

ES#4423629 - AP666571-1KT - 66.6-57.1 Hub Centric Ring - Priced Each - Plastic 66.6mm to 57.1mm hub centric rings for proper wheel fitment - ECS - Audi BMW Volkswagen

Plastic 66.6mm to 57.1mm hub centric rings for proper wheel fitment 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4423629
Mfg#:
AP666571-1KT
In Stock
ON SALE! SAVE 12%
$2.50

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

$2.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Aluminum Washer Fluid Cap

ES#4871881 - IEGAUU1 - IE Aluminum Washer Fluid Cap - Sleek black anodized finish complete with a subtle iE logo - Integrated Engineering - Audi Volkswagen Porsche

Sleek black anodized finish complete with a subtle iE logo Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4871881
Mfg#:
IEGAUU1
In Stock
$91.99 USD
Free Shipping
on orders $49 and up

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