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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Most Popular Parts

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Supercharger Intercooler Kit

ES#4475579 - 06e145621sKT - Supercharger Intercooler Kit - Everything needed to replace failed heat exchangers. - Assembled By ECS - Audi
ECS Tuning recommends this product.

Everything needed to replace failed heat exchangers. 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#:
4475579
Mfg#:
06E145621SKT
In Stock
$1492.41

This product was last offered at the strikethrough price on
06-08-2026

$1136.23 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Ultimate Supercharger Service Kit +

ES#4766224 - 06E145621S3KT - Ultimate Supercharger Service Kit + - Fix all possible coolant leaks for your 3.0T in one click! - Genuine Volkswagen Audi - Audi

Fix all possible coolant leaks for your 3.0T in one click! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4766224
Mfg#:
06E145621S3KT
Ships in 3 Business Days
$2529.01

This product was last offered at the strikethrough price on
04-20-2026

$2267.86 USD
This product is lifetime replacement eligible Partial Replacement

Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Diffuser

ES#3085916 - 018359ECS01A - Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Diffuser - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

From the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3085916
Mfg#:
018359ECS01A
In Stock
ON SALE! SAVE 15%
$999.99

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

$849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front B8 Sport Strut - Priced Each

ES#2724027 - 24-145985 - Front B8 Sport Strut - Priced Each - Give your vehicle a more aggressive feel - Fits left & right side - Bilstein - Audi

Give your vehicle a more aggressive feel - Fits left & right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code

Brand:
Bilstein - Corporate Logo
ES#:
2724027
Mfg#:
24-145985
Ships on Sep 18, 2026
Auto Notify
$295.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front & Rear Brake Service Kit - Audi B8 S4/S5

ES#4900377 - 025997ECS0622AKT - Performance Front & Rear Brake Service Kit - Audi B8 S4/S5 - Featuring ECS V5 Dimpled/Drilled & Slotted rotors and EBC RedStuff pads - Assembled By ECS - Audi

Featuring ECS V5 Dimpled/Drilled & Slotted rotors and EBC RedStuff pads 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#:
4900377
Mfg#:
025997ECS0622AKT
In Stock
ON SALE!
$1239.99

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

$1178.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete DL501 Mechatronics Rebuild Kit - With ECS Billet Aluminum Oil Pipes

ES#4908625 - 0b5398009fpKT - Complete DL501 Mechatronics Rebuild Kit - With ECS Billet Aluminum Oil Pipes - Everything needed for a complete Mechatronics repair, plus billet aluminum oil pipes for increase longevity! - Assembled By ECS - Audi

Everything needed for a complete Mechatronics repair, plus billet aluminum oil pipes for increase longevity! 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#:
4908625
Mfg#:
0B5398009FPKT
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 28%
$1246.99

This product was last offered at the strikethrough price on
01-03-2026

$900.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Complete Wheel Bearing Kit

ES#3651346 - 4h0498625aKT7 - Complete Wheel Bearing Kit - All-inclusive kit includes bearings, axle bolts, and securing bolts for all four corners of the vehicle - FAG - Audi

All-inclusive kit includes bearings, axle bolts, and securing bolts for all four corners of the vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAG - Corporate Logo
ES#:
3651346
Mfg#:
4H0498625AKT7
In Stock
$600.52

This product was last offered at the strikethrough price on
06-04-2026

$475.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit - Ultimate

ES#2992125 - 06E109218ACKT1 - Timing Chain Kit - Ultimate - Includes new tensioners, guide rails, chains, & securing hardware to service your timing chain - Assembled By ECS - Audi
ECS Tuning recommends this product.

Includes new tensioners, guide rails, chains, & securing hardware to service your timing chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2992125
Mfg#:
06E109218ACKT1
In Stock
ON SALE! SAVE 24%
$818.99

This product was last offered at the strikethrough price on
01-03-2026

$622.58 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

APR Lug Bolts (Set of 10) - 27mm

ES#3570132 - MS100171 - APR Lug Bolts (Set of 10) - 27mm - Black zinc coated 27mm (OEM Length) ball set wheel bolts - APR - Audi Volkswagen

Black zinc coated 27mm (OEM Length) ball set wheel bolts Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3570132
Mfg#:
MS100171
In Stock
11% off MSRP

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

$51.83

This product was last offered at the strikethrough price on
06-10-2026

$46.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Conical Seat Tuner Spline Bolt Set - Black

ES#2713058 - BOLT-14x1.5BK - Conical Seat Tuner Spline Bolt Set - Black - Full set of 20 of socket-specific lug bolts. 14x1.5x28mm - MRR Design - Audi BMW Volkswagen

Full set of 20 of socket-specific lug bolts. 14x1.5x28mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MRR Design - Corporate Logo
ES#:
2713058
Mfg#:
BOLT-14X1.5BK
Ships in 2 Business Days
$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake System - Silicone Inlet - Audi B8 S4/S5 3.0T

ES#2992531 - 007344ECS01 - Luft-Technik Intake System - Silicone Inlet - Audi B8 S4/S5 3.0T - Engineered for increased engine performance with show quality looks - ECS - Audi
ECS Tuning recommends this product.

Engineered for increased engine performance with show quality looks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992531
Mfg#:
007344ECS01
In Stock
ON SALE! SAVE 38%
$526.99

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

$328.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coil - Blue - Priced Each

ES#4376582 - MS100210 - APR Upgraded Ignition Coil - Blue - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4376582
Mfg#:
MS100210
In Stock
11% off MSRP

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

$40.30

This product was last offered at the strikethrough price on
06-10-2026

$35.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Mechatronics Unit Service Kit - With LiquiMoly Fluid

ES#3524713 - 0b5398009eKT1 - Complete Mechatronics Unit Service Kit - With LiquiMoly Fluid - Fundamental components for a complete DSG mechatronics unit printed circuit oil repair - Assembled By ECS - Audi
ECS Tuning recommends this product.

Fundamental components for a complete DSG mechatronics unit printed circuit oil repair affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with 7-speed S-Tronic transmissions

Brand:
Assembled By ECS - Corporate Logo
ES#:
3524713
Mfg#:
0B5398009EKT1
In Stock
ON SALE! SAVE 38%
$1103.99

This product was last offered at the strikethrough price on
01-03-2026

$679.28 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Stage 2 Daily Clutch Kit

ES#3106547 - ks4b8hdoKT - Stage 2 Daily Clutch Kit - Designed for the daily-driven, weekend track warrior. Conservatively rated at 395ft/lbs. - South Bend Clutch - Audi

Designed for the daily-driven, weekend track warrior. Conservatively rated at 395ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106547
Mfg#:
KS4B8HDOKT
In Stock
$1171.91 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

D3S 5000K XB HID Bulb - Pair

ES#4212782 - MM.N.076 - D3S 5000K XB HID Bulb - Pair - Quality replacement xenon bulbs from Morimoto - Morimoto - Audi Volkswagen

Quality replacement xenon bulbs from Morimoto affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Morimoto - Corporate Logo
ES#:
4212782
Mfg#:
MM.N.076
In Stock
$90.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" Style 349 Wheels - Set Of Four

ES#2748495 - 349A-13kt1 - 19" Style 349 Wheels - Set Of Four - 19"x9.5" ET40 CB66.6 5x112 Matte Black - Alzor - Audi

19"x9.5" ET40 CB66.6 5x112 Matte Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2748495
Mfg#:
349A-13KT1
In Stock
ON SALE! SAVE 35%
$1300.00

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

$845.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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