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Audi S4 Most Popular Parts

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Audi B9 S4 Pre-facelift Rear Diffuser & Trunk Spoiler

ES#4751275 - 028801ECS01EBKT - Audi B9 S4 Pre-facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Enthusiast Bundles - Audi

Add some aggressive styling to your Audi! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Fits pre-facelift models (up to 2019) without integrated tips in the rear valance

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751275
Mfg#:
028801ECS01EBKT
In Stock
ON SALE! SAVE 34%
$696.26

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

$458.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 12.5mm Wheel Spacers - Pair (With Bolts)

ES#4042993 - EMDSPACER125665B - EMD Auto 12.5mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042993
Mfg#:
EMDSPACER125665B
Ships on Nov 30, 2026
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Linkage Reinforcement Kit

ES#4419864 - B8029A0 - Billet Linkage Reinforcement Kit - Transform your sloppy OEM shift linkage into a precision instrument for perfect shifts. - JXB Performance - Audi

Transform your sloppy OEM shift linkage into a precision instrument for perfect shifts.

Brand:
JXB Performance - Corporate Logo
ES#:
4419864
Mfg#:
B8029A0
In Stock
$249.99 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.

Brand:
Black Forest Industries - Corporate Logo
ES#:
3022028
Mfg#:
GS1S
Ships on Nov 17, 2026
$124.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain - Center

ES#4758703 - 06E109465BC - Upper Timing Chain - Center - Turns the camshaft relay sprockets from the crankshaft - Bremmen Parts - Audi

Turns the camshaft relay sprockets from the crankshaft 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4758703
Mfg#:
06E109465BC
In Stock
ON SALE!
$80.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

KW V2 Series Coilover Kit

ES#2092125 - 15210075 - KW V2 Series Coilover Kit - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - Audi

Variant 2 coilovers offer sport handling with adjustable rebound dampening Fits sedan models without factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2092125
Mfg#:
15210075
Back Ordered
$2734.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW V2 Series Coilover Kit

ES#2102340 - 15210078 - KW V2 Series Coilover Kit - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - Audi

Variant 2 coilovers offer sport handling with adjustable rebound dampening Fits avant models without factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2102340
Mfg#:
15210078
Back Ordered
$2734.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#253082 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
253082
Mfg#:
3B0121321
In Stock
25% off MSRP

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

$37.18

This product was last offered at the strikethrough price on
09-03-2026

$27.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silverstar Ultra H7 Halogen Bulb - Priced Each

ES#2221185 - H-7 SU - Silverstar Ultra H7 Halogen Bulb - Priced Each - The brightest halogen headlight on the market - Osram Sylvania - Audi BMW Volkswagen Mercedes Benz MINI

The brightest halogen headlight on the market

Brand:
Osram Sylvania - Corporate Logo
ES#:
2221185
Mfg#:
H-7 SU
Ships in 3 Business Days
$42.99

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Control Arm Bolt - Priced Each

ES#3031020 - WHT007963 - Upper Control Arm Bolt - Priced Each - Secures the upper control arms to the spindle. M10x110x24 - Genuine Volkswagen Audi - Audi

Secures the upper control arms to the spindle. M10x110x24 From production date 6/7/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3031020
Mfg#:
WHT007963
In Stock
$12.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Tensioning Roller

ES#4758675 - 078109243S - Timing Belt Tensioning Roller - Applies the pressure from the damper to the timing belt - Bremmen Parts - Audi Volkswagen

Applies the pressure from the damper to the timing belt 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4758675
Mfg#:
078109243S
In Stock
ON SALE!
$33.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent tube

ES#280572 - 06E103213 - Vent tube - Sits on top of the oil separator/pcv assembly - Genuine Volkswagen Audi - Audi

Sits on top of the oil separator/pcv assembly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280572
Mfg#:
06E103213
In Stock
15% off MSRP

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

$13.18

This product was last offered at the strikethrough price on
08-03-2026

$11.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.0T Billet Boost Tap Kit

ES#2710239 - 003715ECS01A - 3.0T Billet Boost Tap Kit - Designed specifically for the 3.0T engine, comes with needed hardware - ECS - Audi

Designed specifically for the 3.0T engine, comes with needed hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2710239
Mfg#:
003715ECS01A
In Stock
ON SALE! SAVE 25%
$73.99

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

$55.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Drain Plug Washer - Priced Each

ES#1899296 - 007603014104 - Aluminum Drain Plug Washer - Priced Each - Replace with every oil service to prevent leaks. M14x20x1.5 - Fischer and Plath - Audi Volkswagen Porsche

Replace with every oil service to prevent leaks. M14x20x1.5

Brand:
Fischer and Plath - Corporate Logo
ES#:
1899296
Mfg#:
007603014104
In Stock
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B8/B8.5 3.0T Downpipe Removal Tool

ES#4440458 - 012622LA01 - B8/B8.5 3.0T Downpipe Removal Tool - Easily remove stubborn downpipe nuts on your 3.0T downpipe. - ECS - Audi

Easily remove stubborn downpipe nuts on your 3.0T downpipe. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4440458
Mfg#:
012622LA01
Ships on Feb 1, 2027
ON SALE! SAVE 25%
$15.99

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

$11.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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