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Audi S4 Most Popular Parts

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Jackal Motorsports Tune - Includes Jackal Tuning Cable

ES#4907822 - B85-1 - Jackal Motorsports Tune - Includes Jackal Tuning Cable - Gains from 86 WHP/64 WTQ on Stage 1 up to 185 WHP/193 WTQ on Stage 2+ E40 - Jackal Motorsports - Audi

Gains from 86 WHP/64 WTQ on Stage 1 up to 185 WHP/193 WTQ on Stage 2+ E40 For vehicles with manual transmission only

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907822
Mfg#:
B85-1
Ships in 2 Business Days
$810.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Z23 Evolution Sport Front & Rear Brake Service Kit

ES#3194879 - k888KT - Z23 Evolution Sport Front & Rear Brake Service Kit - Includes Evolution Tru-Cast Drilled & Slotted rotors paired with Evolution Sport Pads for all four corners - Power Stop - Audi

Includes Evolution Tru-Cast Drilled & Slotted rotors paired with Evolution Sport Pads for all four corners

Brand:
Power Stop - Corporate Logo
ES#:
3194879
Mfg#:
K888KT
Back Ordered
$404.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar - 24mm

ES#1876408 - 71361 - Rear Sway Bar - 24mm - Non-adjustable - H&R - Audi

Non-adjustable We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
1876408
Mfg#:
71361
Ships in 4 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.

$359.00

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

$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers (Black) - 5mm (1 Pair) Black

ES#2731320 - 1055665SW - DR Series Wheel Spacers (Black) - 5mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz MINI Porsche

Get that stance that you've been craving with these new spacers We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731320
Mfg#:
1055665SW
Ships in 4 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.

$99.99

This product was last offered at the strikethrough price on
06-30-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Bearing - Priced Each

ES#4768472 - 8W0407625G - Wheel Bearing - Priced Each - Fits the left and right side - OPTITEC - Audi

Fits the left and right side

Brand:
OPTITEC
ES#:
4768472
Mfg#:
8W0407625G
Ships in 2 Business Days
$98.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" RF019 - Set Of Four

ES#4691274 - rv582w100200KT - 19" RF019 - Set Of Four - 19"x8.5" ET45 5x112 57.1CB - Matte Anthracite - REVO - Audi Volkswagen

19"x8.5" ET45 5x112 57.1CB - Matte Anthracite

Brand:
REVO - Corporate Logo
ES#:
4691274
Mfg#:
RV582W100200KT
Back Ordered
$1618.99 USD
This product is lifetime replacement eligible Lifetime Replacement

19" RF019 - Set Of Four

ES#4691273 - rv582w100100KT - 19" RF019 - Set Of Four - 19"x8.5" ET45 5x112 57.1CB - Gloss Black - REVO - Audi Volkswagen

19"x8.5" ET45 5x112 57.1CB - Gloss Black

Brand:
REVO - Corporate Logo
ES#:
4691273
Mfg#:
RV582W100100KT
Back Ordered
$1618.99 USD
This product is lifetime replacement eligible Lifetime Replacement

19" RF019 - Set Of Four

19"x8.5" ET45 5x112 57.1CB - Matte Bronze

Brand:
REVO - Corporate Logo
ES#:
4691275
Mfg#:
RV582W100300KT
Back Ordered
$1618.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#4818434 - 06A145710P - Diverter Valve - A great upgrade for stock to mildly tuned engines - Bremmen Parts - Audi Volkswagen

A great upgrade for stock to mildly tuned engines 10X Entries Into Our F80 M3 Sweepstakes

2 required

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818434
Mfg#:
06A145710P
In Stock
ON SALE!
$34.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Xenon Bulb Ballast - Priced Each

ES#3447954 - 8P0907391 - Xenon Bulb Ballast - Priced Each - Replace your failed ballast and get your HID lights working properly again - Magneti Marelli - Audi

Replace your failed ballast and get your HID lights working properly again For models with AFS adaptive lighting

Brand:
Magneti Marelli - Corporate Logo
ES#:
3447954
Mfg#:
8P0907391
In Stock
Limited Qty Sale
$429.69

This product was last offered at the strikethrough price on
06-12-2026

$403.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor

ES#3604972 - 06M906265 - Front Oxygen Sensor - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3604972
Mfg#:
06M906265
Ships in 1-2 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.

$298.99

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

$268.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" Rotiform RSE Wheels - Set Of Four

ES#4750171 - R1401985F3+35KT1 - 19" Rotiform RSE Wheels - Set Of Four - 19x8.5 ET35 5X112 66.6CB - Gloss Silver - Rotiform - Audi BMW Mercedes Benz

19x8.5 ET35 5X112 66.6CB - Gloss Silver

Brand:
Rotiform - Corporate Logo
ES#:
4750171
Mfg#:
R1401985F3+35KT1
Back Ordered
$1612.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#4019633 - 8K0201511A - Fuel Filter - Hengst - Audi
ECS Tuning recommends this product.

5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
4019633
Mfg#:
8K0201511A
In Stock
Limited Qty Sale
$71.99

This product was last offered at the strikethrough price on
10-18-2026

$61.99 USD
Free Shipping
on orders $49 and up

Ultimate Water Pump Kit

ES#5435143 - 06M121013G2KT - Ultimate Water Pump Kit - Keep your cooling system running properly - Assembled By ECS - Audi

Keep your cooling system running properly 10X Entries Into Our F80 M3 Sweepstakes
Includes Updated 6-Bolt Water Pump and Pulley

Brand:
Assembled By ECS - Corporate Logo
ES#:
5435143
Mfg#:
06M121013G2KT
In Stock
ON SALE!
$826.99

This product was last offered at the strikethrough price on
08-14-2026

$805.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Front Window Regulator - Left

ES#438316 - 8E0837461C - Front Window Regulator - Left - Does not include the window motor - Genuine Volkswagen Audi - Audi

Does not include the window motor Sedan and Avant models only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
438316
Mfg#:
8E0837461C
Ships in 3 Business Days
16% off MSRP

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

$213.99

This product was last offered at the strikethrough price on
08-13-2026

$178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Carbon Fiber Intake Lid

ES#3660590 - IEINCG4 - IE Carbon Fiber Intake Lid - Add some style, class, and sporty look to your IE S4 or S5 3.0T Cold Air Intake with this direct-fit carbon fiber lid! - Integrated Engineering - Audi

Add some style, class, and sporty look to your IE S4 or S5 3.0T Cold Air Intake with this direct-fit carbon fiber lid! To be used in Integrated Engineering Cold Air Intake System: IEINCG2A or IEINSG1

Brand:
Integrated Engineering - Corporate Logo
ES#:
3660590
Mfg#:
IEINCG4
In Stock
$321.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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