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Audi S4 Most Popular Parts

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Pro-Line Diesel Intake System Cleaner - 400mL

ES#3514639 - 20208KT - Pro-Line Diesel Intake System Cleaner - 400mL - Clean your intake duct without removing it - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Clean your intake duct without removing it 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Ground ship only in the contiguous U.S.

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514639
Mfg#:
20208KT
In Stock
$16.99

This product was last offered at the strikethrough price on
09-29-2026

$16.19 USD
Free Shipping
on orders $49 and up

Dual Clamp Exhaust Sleeve - Priced Each

ES#2807623 - 893253139B - Dual Clamp Exhaust Sleeve - Priced Each - Quiet down your leaking exhaust. 60mm - Vaico - Audi Volkswagen

Quiet down your leaking exhaust. 60mm We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2807623
Mfg#:
893253139B
In Stock
$26.99

This product was last offered at the strikethrough price on
09-23-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper Air Filter - 4" Inlet

ES#4500724 - 034-108-B025 - SuperDuper Air Filter - 4" Inlet - This high-flow, double-layered cotton filter features a 4in inlet. - 034Motorsport - Audi Volkswagen

This high-flow, double-layered cotton filter features a 4in inlet. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4500724
Mfg#:
034-108-B025
In Stock
$112.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch Alternator Tool Kit - 13 Pieces

ES#11415 - bta-13pcs - Bosch Alternator Tool Kit - 13 Pieces - Remove and install OAD alternator pulleys - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Remove and install OAD alternator pulleys 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
11415
Mfg#:
BTA-13PCS
In Stock
ON SALE!
$59.99

This product was last offered at the strikethrough price on
05-11-2026

$55.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torque Solution Thermal Turbo Blanket (Black)

ES#5480818 - tqsTS-TB-FT3BK - Torque Solution Thermal Turbo Blanket (Black) - Fits T3, T3/T4, T25, T28, GT25, GT28, GT30, GT32, GT35, GT37 Turbo Back Housings - Torque Solution - Audi BMW Volkswagen MINI Porsche

Fits T3, T3/T4, T25, T28, GT25, GT28, GT30, GT32, GT35, GT37 Turbo Back Housings

Brand:
Torque Solution - Corporate Logo
ES#:
5480818
Mfg#:
TQSTS-TB-FT3BK
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Foxwell Universal Programmable TPMS Sensor - Rubber - Priced Each

ES#4920146 - T20-R - Foxwell Universal Programmable TPMS Sensor - Rubber - Priced Each - Designed for maximum performance and durability. Supports both 315MHz and 433MHz frequencies. - Schwaben by Foxwell - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed for maximum performance and durability. Supports both 315MHz and 433MHz frequencies. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben by Foxwell - Corporate Logo
ES#:
4920146
Mfg#:
T20-R
In Stock
ON SALE!
$21.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Seat Sliders - 1 Set

ES#3661520 - SBR-001 - Seat Sliders - 1 Set - Universal seat sliders. Get your butt in the perfect position to take out the competition! - NRG - Audi BMW Volkswagen Mercedes Benz Porsche

Universal seat sliders. Get your butt in the perfect position to take out the competition!

Brand:
NRG - Corporate Logo
ES#:
3661520
Mfg#:
SBR-001
In Stock
$47.00

This product was last offered at the strikethrough price on
11-04-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro-Line Automatic Transmission Cleaner - 1 Liter

ES#3514215 - 20224 - Pro-Line Automatic Transmission Cleaner - 1 Liter - Best when used with a fluid exchange machine. Use at every change to ensure long life! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Best when used with a fluid exchange machine. Use at every change to ensure long life! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514215
Mfg#:
20224
In Stock
ON SALE! SAVE 10%
$39.99

This product was last offered at the strikethrough price on
09-28-2026

$35.99 USD
Free Shipping
on orders $49 and up

LM 48 Installation Paste/ Assembly Lube - 50g

ES#3514556 - 20216 - LM 48 Installation Paste/ Assembly Lube - 50g - High performance paste for installation, repair, or maintenance - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance paste for installation, repair, or maintenance 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514556
Mfg#:
20216
In Stock
10% off MSRP

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

$12.99

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

$11.65 USD
Free Shipping
on orders $49 and up

3/8"(9mm) Band Hose Clamp - 20-32mm

ES#2770163 - 003402ECS06A-05 - 3/8"(9mm) Band Hose Clamp - 20-32mm - German-style 304 stainless hose clamp - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

German-style 304 stainless hose clamp 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2770163
Mfg#:
003402ECS06A-05
In Stock
ON SALE! SAVE 30%
$4.99

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

$3.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ESI6 Extended Service Brake Fluid - 1qt (946ml)

ES#4364678 - ESI6-32N - ESI6 Extended Service Brake Fluid - 1qt (946ml) - A low viscosity fluid replacing DOT 3, 4, & 5.1 fluid with a 3-year extended change interval. Boiling point - Dry 270C (518F) / Wet 185C (365F) - Bosch - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A low viscosity fluid replacing DOT 3, 4, & 5.1 fluid with a 3-year extended change interval. Boiling point - Dry 270°C (518°F) / Wet 185°C (365°F) We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4364678
Mfg#:
ESI6-32N
In Stock
$21.19 USD
Free Shipping
on orders $49 and up

Valve Stem Seal Pliers - Long

ES#4336532 - CTA1060 - Valve Stem Seal Pliers - Long - Removes valve stem seals from overhead camshaft engines - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Removes valve stem seals from overhead camshaft engines

Brand:
CTA Tools - Corporate Logo
ES#:
4336532
Mfg#:
CTA1060
In Stock
35% off MSRP

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

$51.95

This product was last offered at the strikethrough price on
11-05-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Screw On Oil Funnel

ES#5435352 - MMTL-SOOF-BMW - Screw On Oil Funnel - The Mishimoto Direct-Fit Oil Funnel Kit is engineered to eliminate the mess and frustration typically associated with oil changes on European vehicles. - Mishimoto - Audi BMW Mercedes Benz

The Mishimoto Direct-Fit Oil Funnel Kit is engineered to eliminate the mess and frustration typically associated with oil changes on European vehicles.

Brand:
Mishimoto - Corporate Logo
ES#:
5435352
Mfg#:
MMTL-SOOF-BMW
In Stock
$29.99 USD
Free Shipping
on orders $49 and up

Spal Electric Fan Harness with Relay - 185 Degree

ES#4147266 - 185FH - Spal Electric Fan Harness with Relay - 185 Degree - Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit - Spal - Audi BMW MINI

Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit

Brand:
Spal - Corporate Logo
ES#:
4147266
Mfg#:
185FH
Back Ordered
11% off MSRP

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

$193.99

This product was last offered at the strikethrough price on
11-05-2026

$171.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Braided SS Line Trunk Mount Upgrade (4AN SS Braided Line Systems)

ES#4691038 - SN0-40012-BRD - Snow Performance Braided SS Line Trunk Mount Upgrade (4AN SS Braided Line Systems) - All the necessities to move your tank to the trunk of any vehicle. - SnowPerformance - Audi BMW Volkswagen MINI

All the necessities to move your tank to the trunk of any vehicle.

Brand:
SnowPerformance - Corporate Logo
ES#:
4691038
Mfg#:
SN0-40012-BRD
In Stock at Vendor
28% off MSRP

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

$218.99

This product was last offered at the strikethrough price on
11-05-2026

$156.99 USD
Free Shipping
on orders $49 and up

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