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Audi A4 Most Popular Parts

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Hand Rivnut Tool

ES#4487724 - LCB655SCH - Hand Rivnut Tool - 70 piece metric rivnut kit - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

70 piece metric rivnut kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4487724
Mfg#:
LCB655SCH
In Stock
ON SALE! SAVE 10%
$87.99

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

$79.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

P3 Low Profile OBD2 Splitter

ES#4045317 - P30SPLIT - P3 Low Profile OBD2 Splitter - Turn your single OBD2 port into Two! - P3 Gauges - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Turn your single OBD2 port into Two! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
P3 Gauges - Corporate Logo
ES#:
4045317
Mfg#:
P30SPLIT
In Stock
$30.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DR Series Trak Spacers - 20mm (1 Pair) Black

ES#2730993 - 4055665SW - DR Series Trak Spacers - 20mm (1 Pair) Black - Get the stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz MINI Porsche

Get the stance that you've been craving with these new spacers 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#:
2730993
Mfg#:
4055665SW
In Stock
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. 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#:
3673911
Mfg#:
B8800066
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 25%
$49.99

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

$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sparco PRO 2000 QRT Competition Racing Seat

High performance racing seats with FIA homologation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Sparco - Corporate Logo
ES#:
4271497
Mfg#:
008016RNR
In Stock
Limited Qty Sale
$929.00

This product was last offered at the strikethrough price on
06-01-2026

$859.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Air Lift Performance 3H Digital Air Management

ES#2966710 - 27695 - Air Lift Performance 3H Digital Air Management - The most advanced height + pressure control with 3/8" manifold - Air Lift - Audi BMW Volkswagen MINI

The most advanced height + pressure control with 3/8" manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
2966710
Mfg#:
27695
In Stock at Vendor
$2578.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (3)

ES#4460500 - 3D0973703-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (3) - 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#:
4460500
Mfg#:
3D0973703-KIT
In Stock
ON SALE! SAVE 25%
$24.99

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

$18.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spill-Proof Coolant / Antifreeze Funnel Bleeder - Bavarian Autosport

ES#3673924 - B8800082 - Spill-Proof Coolant / Antifreeze Funnel Bleeder - Bavarian Autosport - Multiple adapters include to fit a variety of vehicles. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Multiple adapters include to fit a variety of vehicles. 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#:
3673924
Mfg#:
B8800082
In Stock
ON SALE! SAVE 15%
$32.99

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

$28.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MoS2 Anti Friction Additive For Manual Transmission / Differential

ES#261605 - 2019 - MoS2 Anti Friction Additive For Manual Transmission / Differential - Increase the life of your gear oil, and decrease gearbox noise - Liqui-Moly - Audi BMW Volkswagen Porsche

Increase the life of your gear oil, and decrease gearbox noise 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:
Liqui-Moly - Corporate Logo
ES#:
261605
Mfg#:
2019
In Stock
45% off MSRP

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

$21.95

This product was last offered at the strikethrough price on
06-29-2026

$11.99 USD
Free Shipping
on orders $49 and up

Air Lift Performance 3H Digital Air Management

ES#2966684 - 27690 - Air Lift Performance 3H Digital Air Management - The most advanced height + pressure control with 1/4" manifold - Air Lift - Audi BMW Volkswagen MINI

The most advanced height + pressure control with 1/4" manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
2966684
Mfg#:
27690
In Stock at Vendor
$2509.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8mm High Strength Stainless Exhaust Manifold Stud (50mm Length) - Priced Each

ES#4858164 - 034-105-A009 - 8mm High Strength Stainless Exhaust Manifold Stud (50mm Length) - Priced Each - Can be used for exhaust systems, turbo, and any use where the highest strength and quality are required. - 034Motorsport - Audi Volkswagen

Can be used for exhaust systems, turbo, and any use where the highest strength and quality are required. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858164
Mfg#:
034-105-A009
In Stock
ON SALE! SAVE 10%
$10.00

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

$9.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line

ES#4144932 - SN0-310-BRD - Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144932
Mfg#:
SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Power Port Plug - "Eject" - Red Anodized

ES#4171972 - 028636ECS05-01 - Billet Power Port Plug - "Eject" - Red Anodized - A little fun and function for your car! - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A little fun and function for your car! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4171972
Mfg#:
028636ECS05-01
In Stock
ON SALE! SAVE 25%
$33.99

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

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

2-in-1 Creeper Seat

ES#4772898 - 3907SCH01A - 2-in-1 Creeper Seat - Have a seat in your garage but wish you had a creeper? This is a great solution, featuring the ability to transform from a seat to a creeper with the unlocking of a pin. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Have a seat in your garage but wish you had a creeper? This is a great solution, featuring the ability to transform from a seat to a creeper with the unlocking of a pin. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4772898
Mfg#:
3907SCH01A
In Stock
ON SALE! SAVE 20%
$64.99

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

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Panel Clip Removal Pliers

ES#4750231 - 3589SCH01A - Panel Clip Removal Pliers - Remove push-in panel clips without damaging your vehicle. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Remove push-in panel clips without damaging your vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4750231
Mfg#:
3589SCH01A
In Stock
Auto Notify
ON SALE! SAVE 25%
$22.99

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

$17.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combination Feeler Gauge/Spark Plug Gapping Tool

ES#3617897 - KDT164 - Combination Feeler Gauge/Spark Plug Gapping Tool - Measure and correctly adjust the gap of your spark plugs - Gear Wrench - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Measure and correctly adjust the gap of your spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gear Wrench - Corporate Logo
ES#:
3617897
Mfg#:
KDT164
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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