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Audi A4 Most Popular Parts

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Silicone Vacuum Hose - Black - 5 Meters

ES#250319 - 51731257971-5M - Silicone Vacuum Hose - Black - 5 Meters - Replace your cracked or frayed vacuum lines - 3.5mm ID x 7.5mm OD - Rein - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replace your cracked or frayed vacuum lines - 3.5mm ID x 7.5mm OD 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:
Rein - Corporate Logo
ES#:
250319
Mfg#:
51731257971-5M
Ships in 1-3 days
$40.42

This product was last offered at the strikethrough price on
03-17-2026

$38.66 USD
Free Shipping
on orders $49 and up

Large Fluid Drain Pan - 15 Liter

ES#3673870 - B8800011 - Large Fluid Drain Pan - 15 Liter - The perfect oil change/ trans flush companion. - Bav Auto Tools - Audi BMW Volkswagen MINI Porsche
ECS Tuning recommends this product.

The perfect oil change/ trans flush companion. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673870
Mfg#:
B8800011
Ships on Aug 28, 2026
Auto Notify
ON SALE! SAVE 25%
$33.99

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

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb

ES#2971417 - 015326SCH01A - Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb - Straighten bent radiator or intercooler fins that block air flow - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Straighten bent radiator or intercooler fins that block air flow affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2971417
Mfg#:
015326SCH01A
In Stock
ON SALE! SAVE 29%
$20.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Tensioner Adjustment Tool - 15* Offset (10.5" Length)

ES#1306819 - w-142 - Timing Belt Tensioner Adjustment Tool - 15* Offset (10.5" Length) - The Right Tool for Adjusting VW/Audi Timing Belts with Two-Pin Tensioner - Schwaben - Audi Volkswagen

The Right Tool for Adjusting VW/Audi Timing Belts with Two-Pin Tensioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
1306819
Mfg#:
W-142
In Stock
ON SALE! SAVE 25%
$40.99

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

$30.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Porsche Caps & Black Washer Fluid Reservoir Cap Set

ES#2804152 - 009635ECS04KT - Porsche Caps & Black Washer Fluid Reservoir Cap Set - Dress up your engine bay with a black washer reservoir cap and Porsche 911 oil and expansion tank caps - Assembled By ECS - Audi Volkswagen

Dress up your engine bay with a black washer reservoir cap and Porsche 911 oil and expansion tank caps 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#:
2804152
Mfg#:
009635ECS04KT
In Stock
$164.99

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

$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Autel MX-Sensor Universal Programmable TPMS Sensor - Set Of Four

ES#4419165 - aul1sensorKT - Autel MX-Sensor Universal Programmable TPMS Sensor - Set Of Four - 12g lighter than most sensors to ensure greater security and stability. Supports both 315MHz and 433MHz frequencies. - Autel - Audi BMW Volkswagen Mercedes Benz MINI Porsche

12g lighter than most sensors to ensure greater security and stability. Supports both 315MHz and 433MHz frequencies. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with factory direct tire pressure monitoring sensors only

Brand:
Autel - Corporate Logo
ES#:
4419165
Mfg#:
AUL1SENSORKT
In Stock
$243.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8-Pc ATF Adapter Set

ES#4000731 - 029320SCH01A - 8-Pc ATF Adapter Set - Same adapter kit that comes in ES2774836 Filler system - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Same adapter kit that comes in ES2774836 Filler system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4000731
Mfg#:
029320SCH01A
In Stock
ON SALE! SAVE 25%
$33.99

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

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Polydrive Socket (T10070 & 3452) - 1/2" Drive

ES#1876780 - hs-12rm10168 - Polydrive Socket (T10070 & 3452) - 1/2" Drive - A must have tool for removing special VW / Audi cylinder head bolts - Schwaben - Audi Volkswagen
ECS Tuning recommends this product.

A must have tool for removing special VW / Audi cylinder head bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please check head of cylinder head bolts before ordering.

Brand:
Schwaben - Corporate Logo
ES#:
1876780
Mfg#:
HS-12RM10168
Ships on Sep 2, 2026
Auto Notify
ON SALE! SAVE 25%
$32.99

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

$24.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Stud - Priced Each

ES#3081 - N0444115 - Exhaust Manifold Stud - Priced Each - Allows the manifold to be secured to the cylinder head. 8x30 - Meyle - Audi Volkswagen

Allows the manifold to be secured to the cylinder head. 8x30 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:
Meyle - Corporate Logo
ES#:
3081
Mfg#:
N0444115
In Stock
$2.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

9-Way Slide Hammer Puller Set - Bavarian Autosport

ES#3673934 - B8800095 - 9-Way Slide Hammer Puller Set - Bavarian Autosport - A complete slide hammer kit for your next suspension job. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

A complete slide hammer kit for your next suspension job. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673934
Mfg#:
B8800095
Ships on Aug 10, 2026
Auto Notify
ON SALE!
$104.99

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

$99.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SONAX The Beast Wheel Cleaner

ES#4708439 - 433300 - SONAX The Beast Wheel Cleaner - For the toughest dirt and grime on wheels, use this color-changing formula and watch it work its magic! - SONAX - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For the toughest dirt and grime on wheels, use this color-changing formula and watch it work its magic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SONAX - Corporate Logo
ES#:
4708439
Mfg#:
433300
In Stock
$25.99 USD
Free Shipping
on orders $49 and up

Angle Jaw Pliers For Flat Ear Style Hose Clamps

ES#3557362 - 026457SCH00 - Angle Jaw Pliers For Flat Ear Style Hose Clamps - Use pliers to remove and install flat-type hose clamps in hidden and hard-to-reach areas. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Use pliers to remove and install flat-type hose clamps in hidden and hard-to-reach areas. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3557362
Mfg#:
026457SCH00
In Stock
ON SALE! SAVE 20%
$43.99

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

$35.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bav Auto Thin Wall Deep Impact Lug Bolt Socket - 17mm

ES#3673897 - B8800044 - Bav Auto Thin Wall Deep Impact Lug Bolt Socket - 17mm - Makes removing wheels easier due to the thin wall design. 1/2" Drive. - Bav Auto Tools - Audi BMW Volkswagen MINI
ECS Tuning recommends this product.

Makes removing wheels easier due to the thin wall design. 1/2" Drive. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673897
Mfg#:
B8800044
Ships on Aug 28, 2026
Auto Notify
ON SALE! SAVE 25%
$20.99

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

$15.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ready Smoke Leak Detector

ES#3576183 - RDL950400 - Ready Smoke Leak Detector - Find leaks in evap systems and vacuum lines quickly with this great smoke machine tool. - Redline Detection - Audi BMW Volkswagen Mercedes Benz Porsche

Find leaks in evap systems and vacuum lines quickly with this great smoke machine tool. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline Detection
ES#:
3576183
Mfg#:
RDL950400
Ships in 6 Business Days
$1683.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Bolt Cover - Grey - Priced Each

ES#3320 - 321601173AZ37 - Wheel Bolt Cover - Grey - Priced Each - Covers the lug bolt head for a cleaner look. 17mm - Genuine Volkswagen Audi - Audi Volkswagen MINI

Covers the lug bolt head for a cleaner look. 17mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3320
Mfg#:
321601173AZ37
In Stock
17% off MSRP

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

$5.99

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

$5.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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