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Audi S4 Most Popular Parts

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Pro 5 R Restore Kit

ES#517882 - 90-50501 - Pro 5 R Restore Kit - Used for Pro 5 R filters - AFE - Audi BMW Volkswagen MINI

Used for Pro 5 R filters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
517882
Mfg#:
90-50501
In Stock
22% off MSRP

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

$26.99

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

$21.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DOT 5.1 Brake Fluid - 1 Liter

ES#3426948 - L05010 - DOT 5.1 Brake Fluid - 1 Liter - Offers higher wet boiling point than DOT 4 fluid - Brembo - Audi BMW Volkswagen MINI

Offers higher wet boiling point than DOT 4 fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Brembo - Corporate Logo
ES#:
3426948
Mfg#:
L05010
In Stock
30% off MSRP

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

$29.99

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

$20.99 USD
Free Shipping

4 Piece Mini hook & Pick Set

ES#4363105 - 31750 - 4 Piece Mini hook & Pick Set - Works Great for Removing Hoses, Moldings, Clips, Clamps, Seals, O-Rings, Cotter Pins, and Gaskets. - Lisle - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Works Great for Removing Hoses, Moldings, Clips, Clamps, Seals, O-Rings, Cotter Pins, and Gaskets. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Lisle - Corporate Logo
ES#:
4363105
Mfg#:
31750
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3M Super Strength Molding Tape

ES#3673079 - 3616 - 3M Super Strength Molding Tape - 7/8" x 15 ft roll. - 3M - Audi BMW Volkswagen Mercedes Benz MINI Porsche

7/8" x 15 ft roll. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
3M - Corporate Logo
ES#:
3673079
Mfg#:
3616
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Nuts - Set Of 5

ES#4505691 - 034-604-1004-5 - Ball Seat Wheel Nuts - Set Of 5 - Made from high tensile heat treated Grade 10.9 Chromoly Steel and coated in Black Zinc. M14x1.5 - 034Motorsport - Audi Volkswagen

Made from high tensile heat treated Grade 10.9 Chromoly Steel and coated in Black Zinc. M14x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4505691
Mfg#:
034-604-1004-5
In Stock
$27.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

7cm "EuroLook" Universal Fender Flares - Pair

ES#3569536 - EL7 - 7cm "EuroLook" Universal Fender Flares - Pair - ABS plastic universal fender flares that add 10cm of width per side - Clinched - Audi BMW Volkswagen Mercedes Benz MINI Porsche

ABS plastic universal fender flares that add 10cm of width per side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes required installation hardware and length of gasket

Brand:
Clinched - Corporate Logo
ES#:
3569536
Mfg#:
EL7
Special Order: No Guaranteed ETA
$270.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

500 Credits - OBDeleven

ES#4839938 - 024871OBD13 - 500 Credits - OBDeleven - 500 Credits for you to unlock One-Click apps and modify your car! - OBDeleven - Audi BMW Volkswagen MINI

500 Credits for you to unlock One-Click apps and modify your car! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
These arrive on a scratch-off card with a code for you to activate on your OBDeleven device easily.

Brand:
OBDeleven - Corporate Logo
ES#:
4839938
Mfg#:
024871OBD13
In Stock
Limited Qty Sale
$82.99

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

$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Filter Oil & Cleaner Kit

ES#4830731 - vwr120000KT - Filter Oil & Cleaner Kit - The filter element deserves to be well looked after and be a part of your regular maintenance schedule. - Racingline - Audi Volkswagen

The filter element deserves to be well looked after and be a part of your regular maintenance schedule. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4830731
Mfg#:
VWR120000KT
Back Ordered
Auto Notify
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

5" Diameter Funnel With 12" Flexible Neck

ES#1899379 - PJ-3 - 5" Diameter Funnel With 12" Flexible Neck - Versatile funnel with removable flex hose fits where you need it to - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Versatile funnel with removable flex hose fits where you need it to affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
1899379
Mfg#:
PJ-3
In Stock
ON SALE! SAVE 45%
$19.99

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

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (6)

ES#4460502 - 1J0973713-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (6) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460502
Mfg#:
1J0973713-KIT
In Stock
ON SALE! SAVE 40%
$28.99

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

$17.30 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Red

ES#2764787 - MMFAN12RD - Universal 12" Electric Fan - Red - 934 CFM - 5.7 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

934 CFM - 5.7 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764787
Mfg#:
MMFAN12RD
In Stock at Vendor
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clic & Clic-R Hose Clamp Pliers

ES#3691675 - CTA4029 - Clic & Clic-R Hose Clamp Pliers - For Clic & Clic Hose clamps - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For Clic & Clic Hose clamps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
3691675
Mfg#:
CTA4029
In Stock
$31.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 10" Electric Fan - Black

ES#2764825 - MMFAN10 - Universal 10" Electric Fan - Black - 850 CFM - 5.1 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

850 CFM - 5.1 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764825
Mfg#:
MMFAN10
In Stock at Vendor
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 10AN ORB To 3/8" Barb

ES#4460630 - rad20-0530 - Universal 10AN ORB To 3/8" Barb - This PCV can be used on the outlet of any Radium Engineering catch can - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This PCV can be used on the outlet of any Radium Engineering catch can affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Caliper R&I Pins

ES#4005344 - T10439 - Brake Caliper R&I Pins - Pins thread into caliper bolt holes so caliper can be supported off the disc for easier brake service.For cars with 14 X 1.5 mm thread brake caliper bolts. - Baum Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pins thread into caliper bolt holes so caliper can be supported off the disc for easier brake service.For cars with 14 X 1.5 mm thread brake caliper bolts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Baum Tools - Corporate Logo
ES#:
4005344
Mfg#:
T10439
Ships in 6 Business Days
$48.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3/8"/9mm Band Hose Clamp - 60-80mm

ES#2719258 - 003402ECS06A-10 - 3/8"/9mm Band Hose Clamp - 60-80mm - German-style 304 stainless hose clamp - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

German-style 304 stainless hose clamp affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2719258
Mfg#:
003402ECS06A-10
In Stock
ON SALE! SAVE 25%
$6.99

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

$5.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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