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

Thermostat Housing O-Ring

ES#4690986 - 06M121688 - Thermostat Housing O-Ring - Seal for the thermostat housing - Elring - Audi

Seal for the thermostat housing 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:
Elring - Corporate Logo
ES#:
4690986
Mfg#:
06M121688
Ships in 1-2 days
$12.99 USD
Free Shipping
on orders $49 and up

Upper Coolant Radiator House

ES#3441471 - 8W0122101BD - Upper Coolant Radiator House - Hose that connects to the upper flange on the driver side of the car - Genuine Volkswagen Audi - Audi

Hose that connects to the upper flange on the driver side of the car affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3441471
Mfg#:
8W0122101BD
In Stock
ON SALE! SAVE 10%
$70.99

This product was last offered at the strikethrough price on
06-15-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi Key back cover - Tango Red

ES#4388087 - 8W0071208BY3U - Audi Key back cover - Tango Red - decorative cover is affixed to your original key - Genuine Volkswagen Audi - Audi

decorative cover is affixed to your original key affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4388087
Mfg#:
8W0071208BY3U
Ships in 3 Business Days
3% off MSRP

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

$65.99

This product was last offered at the strikethrough price on
07-09-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Roof Rack Torque Wrench

ES#2206817 - 8K0071712 - Roof Rack Torque Wrench - Used for locking/unlocking the roof rack cross bars - Genuine Volkswagen Audi - Audi

Used for locking/unlocking the roof rack cross bars affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2206817
Mfg#:
8K0071712
Ships in 5 Business Days
3% off MSRP

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

$65.99

This product was last offered at the strikethrough price on
07-09-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Eccentric Washer

ES#3213305 - WHT007043A - Eccentric Washer - Washer that goes with the eccentric bolt for the rear lower control arm - Genuine Volkswagen Audi - Audi

Washer that goes with the eccentric bolt for the rear lower control arm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3213305
Mfg#:
WHT007043A
Ships in 3 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Bolts - Priced Each

ES#3187578 - N91248701 - Throttle Body Bolts - Priced Each - M6X75 - Genuine Volkswagen Audi - Audi

M6X75 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3187578
Mfg#:
N91248701
Ships in 3 Business Days
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
07-09-2026

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

Right Rear Suspension Track Bar

A key component of the suspension system that connects the chassis to the axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Optimal - Corporate Logo
ES#:
4852560
Mfg#:
4M0505292D
Ships in 1-2 days
$63.00

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

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Upper Shock Mount - Priced Each

ES#4505638 - 8W0513353A - Rear Upper Shock Mount - Priced Each - Fits the left and right sides - Meyle - Audi

Fits the left and right sides 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!
For models with closed loop suspension (Audi Drive Select / Adaptive suspension - PR-Code 1BL)

Brand:
Meyle - Corporate Logo
ES#:
4505638
Mfg#:
8W0513353A
Ships on Nov 18, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#513618 - N10413405 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x25 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x25 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 12/07/2020 up to 01/24/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
513618
Mfg#:
N10413405
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.

$0.70

This product was last offered at the strikethrough price on
03-05-2026

$0.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 5mm (1 Pair)

ES#3570117 - MS100162 - Wheel Spacer Kit - 5mm (1 Pair) - 5mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

5mm spacers to perfectly dial in your stance or clear your big brake kit! 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#:
3570117
Mfg#:
MS100162
Ships on Aug 5, 2026
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Gasket

ES#4772520 - 06M103517B - PCV Gasket - Located between the oil separator and the valve cover - Elring - Audi

Located between the oil separator and the valve cover 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:
Elring - Corporate Logo
ES#:
4772520
Mfg#:
06M103517B
In Stock at Vendor
$30.99

This product was last offered at the strikethrough price on
06-15-2026

$30.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Oil Line Bracket

ES#3181956 - 06M145263A - Turbocharger Oil Line Bracket - A pin that goes with the oil return line to hold it in place - Genuine Volkswagen Audi - Audi

A pin that goes with the oil return line to hold it in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181956
Mfg#:
06M145263A
Ships in 3 Business Days
14% off MSRP

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

$6.99

This product was last offered at the strikethrough price on
07-09-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt - 14x1.5x28mm - Priced Each

ES#1303126 - 1452803 - Ball Seat Wheel Bolt - 14x1.5x28mm - Priced Each - Stock length bolt for use with your OE wheels - H&R - Audi Volkswagen

Stock length bolt for use with your OE wheels 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!

Brand:
H&R - Corporate Logo
ES#:
1303126
Mfg#:
1452803
In Stock
$6.99

This product was last offered at the strikethrough price on
05-01-2026

$4.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Titanium 3.0T/2.9T Ignition Coil Hardware Kit - Set Of Six Black Titanium Washers

ES#4476332 - TI-M6X1X40-6BLK - Titanium 3.0T/2.9T Ignition Coil Hardware Kit - Set Of Six Black Titanium Washers - Replace your pesky OEM ignition coil tiedown studs with these titanium bolts! - ECS - Audi

Replace your pesky OEM ignition coil tiedown studs with these titanium bolts! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4476332
Mfg#:
TI-M6X1X40-6BLK
In Stock
ON SALE! SAVE 10%
$65.99

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

$59.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

USB Adapter Cable - Lightning

ES#2741671 - 5G0051763E - USB Adapter Cable - Lightning - USB to Lightning - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2741671
Mfg#:
5G0051763E
Ships in 9 Business Days
$57.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bowden Cable

ES#3087402 - 8W0823529E - Bowden Cable - Hood release cable, does not come with release lever - Genuine Volkswagen Audi - Audi

Hood release cable, does not come with release lever affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3087402
Mfg#:
8W0823529E
Ships in 3 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.

$60.99

This product was last offered at the strikethrough price on
07-09-2026

$55.99 USD
Free Shipping
on orders $49 and up
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