Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi B9 S4 Quattro 3.0T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle Audi B9 S4 Quattro 3.0T
Your Vehicle Audi B9 S4 Quattro 3.0T
Change Clear

Audi B9 S4 Quattro 3.0T Most Popular Parts

Sort By
Filter By
Return to Top

19" Rohana RFX17 Wheels - Set Of Four

ES#4809656 - FX1798512BT25KT - 19" Rohana RFX17 Wheels - Set Of Four - 19x8.5 ET25 5x112 66.6CB - Brushed Titanium - Rohana Wheels - Audi BMW Mercedes Benz MINI

19x8.5 ET25 5x112 66.6CB - Brushed Titanium affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rohana Wheels - Corporate Logo
ES#:
4809656
Mfg#:
FX1798512BT25KT
Ships on Jul 27, 2026
$2272.00 USD
This product is lifetime replacement eligible Lifetime Replacement

19" Rohana RFX11 Wheels - Set Of Four

ES#3675651 - fx1119855112btKT - 19" Rohana RFX11 Wheels - Set Of Four - 19x8.5 ET25 5x112 66.6CB - Brushed Titanium - Rohana Wheels - Audi BMW Mercedes Benz MINI

19x8.5 ET25 5x112 66.6CB - Brushed Titanium affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rohana Wheels - Corporate Logo
ES#:
3675651
Mfg#:
FX1119855112BTKT
Back Ordered
$2272.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Lowering Springs

ES#4830683 - CTS-LS-025 - Lowering Springs - 1 lowering on average for front and Rear - CTS - Audi

1″ lowering on average for front and Rear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4830683
Mfg#:
CTS-LS-025
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt - 14x1.5x30mm - Priced Each

ES#3560807 - S17D30R13ZNNI - Ball Seat Wheel Bolt - 14x1.5x30mm - Priced Each - Black zinc coated wheel bolts made specifically for OE wheels - ECS - Audi Volkswagen

Black zinc coated wheel bolts made specifically for OE wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3560807
Mfg#:
S17D30R13ZNNI
In Stock
ON SALE! SAVE 25%
$11.99

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

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Dynamic+ StreetSport Rear Brake Pad Set

ES#4845283 - 034-302-0027 - 034Motorsport Dynamic+ StreetSport Rear Brake Pad Set - Semi-metallic pads that offer low dust and noise for comfortable everyday use, while delivering high friction, superior modulation, and exceptional stopping power! - 034Motorsport - Audi

Semi-metallic pads that offer low dust and noise for comfortable everyday use, while delivering high friction, superior modulation, and exceptional stopping power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4845283
Mfg#:
034-302-0027
In Stock
ON SALE! SAVE 10%
$245.00

This product was last offered at the strikethrough price on
06-28-2026

$220.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/S4 Carbon Fiber Inlet Scoop

ES#3537354 - 024641ecs02KT - B9 A4/S4 Carbon Fiber Inlet Scoop - Channel air to your intake with performance syle! - ECS - Audi

Channel air to your intake with performance syle! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3537354
Mfg#:
024641ECS02KT
Ships on Nov 30, 2026
ON SALE! SAVE 10%
$271.61

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

$244.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Rohana RFX2 Wheels - Set Of Four

ES#4810057 - RFX219512BT40KT - 19" Rohana RFX2 Wheels - Set Of Four - 19x9.5 ET40 5x112 66.6CB - Brushed Titanium - Rohana Wheels - Audi Mercedes Benz

19x9.5 ET40 5x112 66.6CB - Brushed Titanium affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rohana Wheels - Corporate Logo
ES#:
4810057
Mfg#:
RFX219512BT40KT
Ships on Jul 27, 2026
$2200.00 USD
This product is lifetime replacement eligible Lifetime Replacement

19" Rohana RFX10 Wheels - Set Of Four

ES#4810038 - FX119512BT42KT - 19" Rohana RFX10 Wheels - Set Of Four - 19x9.5 ET42 5x112 66.6CB - Brushed Titanium - Rohana Wheels - Audi Mercedes Benz

19x9.5 ET42 5x112 66.6CB - Brushed Titanium affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rohana Wheels - Corporate Logo
ES#:
4810038
Mfg#:
FX119512BT42KT
Ships on Jul 27, 2026
$2200.00 USD
This product is lifetime replacement eligible Lifetime Replacement

19" Rohana RFX10 Wheels - Set Of Four

ES#4487900 - rfx1019955112bKT - 19" Rohana RFX10 Wheels - Set Of Four - 19x9.5 ET35 5x112 66.6CB - Brushed Titanium - Rohana Wheels - Audi Mercedes Benz

19x9.5 ET35 5x112 66.6CB - Brushed Titanium affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rohana Wheels - Corporate Logo
ES#:
4487900
Mfg#:
RFX1019955112BKT
Ships on Jul 27, 2026
$2200.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

20" Bathurst Wheels - Set Of Four

20"x9.0", ET35, 5x112 - Gloss Gunmetal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TSW Alloy Wheels - Corporate Logo
ES#:
3557566
Mfg#:
2090BAT355112KT1
Back Ordered
$2194.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Plus IE Performance ECU Tune - Includes Stage 3 TCU Tune & POWERlink Cable

ES#4493831 - IESOVZ14TCU - Stage 3 Plus IE Performance ECU Tune - Includes Stage 3 TCU Tune & POWERlink Cable - Easy upgrade into hybrid turbo power levels delivering up to 715HP and 678TQ. - Integrated Engineering - Audi

Easy upgrade into hybrid turbo power levels delivering up to 715HP and 678TQ. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4493831
Mfg#:
IESOVZ14TCU
In Stock
$2177.99 USD
Free Shipping

7.5mm Wheel Spacers - Black (Pair)

ES#3476425 - 021460TMS02-06 - 7.5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW Mercedes Benz MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476425
Mfg#:
021460TMS02-06
In Stock
ON SALE! SAVE 25%
$131.99

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

$98.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OPTITEC
ES#:
4768472
Mfg#:
8W0407625G
In Stock at Vendor
$98.99

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

$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coil - Grey - Priced Each

ES#4708245 - VWR900002 - RacingLine Higher Output Ignition Coil - Grey - Priced Each - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4708245
Mfg#:
VWR900002
Ships in 9 Business Days
Auto Notify
ON SALE! SAVE 11%
$55.99

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

$49.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Service Kit

ES#4056871 - 4m0615301anKT1 - Front Brake Service Kit - Featuring genuine rotors and brake pads - Includes stainless set screw, brake wear sensor, and silicone brake lubricant - Genuine Volkswagen Audi - Audi

Featuring genuine rotors and brake pads - Includes stainless set screw, brake wear sensor, and silicone brake lubricant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4056871
Mfg#:
4M0615301ANKT1
Ships in 1 day
$1065.99

This product was last offered at the strikethrough price on
02-24-2026

$1064.99 USD
This product is lifetime replacement eligible Lifetime Replacement

20" Tekniform Style 027 - Set Of Four

ES#4464535 - 027-2KT - 20" Tekniform Style 027 - Set Of Four - 20"x9" ET30 5x112 - Matte Gunmetal - Tekniform - Audi BMW MINI

20"x9" ET30 5x112 - Matte Gunmetal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Tekniform - Corporate Logo
ES#:
4464535
Mfg#:
027-2KT
In Stock
ON SALE! SAVE 20%
$1327.99

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

$1062.37 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings