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Audi S4 Most Popular Parts

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ES#2739012 - 8E0615301TKT5 - Front Brake Kit - Stage 1 - 2-Piece Cross Drilled & Slotted Rotors (345x30) - Upgrade your brake system with 2-piece rotors and stainless steel lines - ECS - Audi

Upgrade your brake system with 2-piece rotors and stainless steel lines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2739012
Mfg#:
8E0615301TKT5
In Stock
ON SALE!
$899.99

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

$872.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2532305 - BKR6EQUAKT - Ignition Service Kit - Includes eight red genuine coil packs and eight NGK spark plugs - Assembled By ECS - Audi

Includes eight red genuine coil packs and eight NGK spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2532305
Mfg#:
BKR6EQUAKT
Ships in 1-2 days
$871.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#461624 - 8T0035416 - Mid-Tone Speaker - Priced Each  - Fits the left and right side - Genuine Volkswagen Audi - Audi

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For sedan models with Bang & Olufsen sound systems

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
461624
Mfg#:
8T0035416
Ships in 2 Business 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.

$118.99

This product was last offered at the strikethrough price on
06-27-2026

$108.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2872652 - 8K0615121 - Front Brake Pad Wear Sensor - Indicates when the front pads need replacement - Febi - Audi
ECS Tuning recommends this product.

Indicates when the front pads need replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872652
Mfg#:
8K0615121
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4486848 - 8K0615601CX - Premium Xtra Cross Drilled UV Coated Rotor - Brembo - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Brembo - Corporate Logo
ES#:
4486848
Mfg#:
8K0615601CX
In Stock
32% off MSRP

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

$211.99

This product was last offered at the strikethrough price on
01-21-2026

$144.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3677424 - L150S - LEYO Billet DSG Shift Knob - Silver - Replace your worn DSG shift knob with this stylish billet alternative - LEYO - Audi Volkswagen

Replace your worn DSG shift knob with this stylish billet alternative affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
LEYO - Corporate Logo
ES#:
3677424
Mfg#:
L150S
Ships in 8 Business Days
$144.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4501127 - 8W0853888P - SPOILER - Genuine Volkswagen Audi - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4501127
Mfg#:
8W0853888P
In Stock
ON SALE!
$83.99

This product was last offered at the strikethrough price on
06-25-2026

$79.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3186724 - 06M109003CN - Camshaft - Inlet side - Cylinders 1-3 - Genuine Volkswagen Audi - Audi

Cylinders 1-3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186724
Mfg#:
06M109003CN
Ships in 3 Business Days
6% off MSRP

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

$923.99

This product was last offered at the strikethrough price on
06-27-2026

$868.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3142441 - 4F0260805AH - A/C Compressor - Keep your interior cool - Denso - Audi

Keep your interior cool affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Denso - Corporate Logo
ES#:
3142441
Mfg#:
4F0260805AH
Ships in 2 Business Days
$868.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2562288 - 441201511C - Fuel Filter - Restore fuel mileage and performance - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Restore fuel mileage and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
2562288
Mfg#:
441201511C
In Stock
$30.99

This product was last offered at the strikethrough price on
04-16-2026

$27.99 USD
Free Shipping
on orders $49 and up
ES#4830724 - CTS-SUS-3009 - Street Sport Strut Mounts - Enhanced performance, durability, and comfort by using high-durometer rubber which is void-free and fluid-free. - CTS - Audi

Enhanced performance, durability, and comfort by using high-durometer rubber which is void-free and fluid-free. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4830724
Mfg#:
CTS-SUS-3009
Ships in 7 Business Days
ON SALE! SAVE 15%
$59.99

This product was last offered at the strikethrough price on
06-25-2026

$50.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1027 - B5S4CMCK - Clutch Kit - Stage 3 - More holding power & a Kevlar lined disc - Assembled By ECS - Audi

More holding power & a Kevlar lined disc affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
1027
Mfg#:
B5S4CMCK
Ships in 7 Business Days
$865.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4044053 - 4710-11026 - AWE ColdFront Coolant Pump - B8.5 3.0T - Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. - AWE - Audi

Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

For vehicles from the 2013 model year only (Facelift). Requires the AWE ColdFrontâ„¢ Reservoir for proper fitment.

Brand:
AWE - Corporate Logo
ES#:
4044053
Mfg#:
4710-11026
Ships in 5 Business Days
$865.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4376316 - 30T-EA839-1-UC - Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable - Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4376316
Mfg#:
30T-EA839-1-UC
In Stock
ON SALE! SAVE 15%
$1014.99

This product was last offered at the strikethrough price on
06-22-2026

$864.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#437327 - 8E0601025LZ17 - 18" S4 6-Spoke Wheel - Priced Each - 18"x8" ET45 5x112 Avus Silver - Genuine Volkswagen Audi - Audi

18"x8" ET45 5x112 Avus Silver affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
437327
Mfg#:
8E0601025LZ17
Ships in 6 Business Days
4% off MSRP

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

$902.99

This product was last offered at the strikethrough price on
06-27-2026

$864.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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