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Audi A4 Most Popular Parts

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Cat-Back Exhaust System - Non-Resonated

ES#2827429 - SSXAU305 - Cat-Back Exhaust System - Non-Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 5 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827429
Mfg#:
SSXAU305
Ships in 3 Business Days
$1657.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827430 - SSXAU306 - Cat-Back Exhaust System - Non-Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 6 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827430
Mfg#:
SSXAU306
Ships in 3 Business Days
$1657.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#4046596

Coolant Temperature Sensor - 2 Pin

ES#257175 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257175
Mfg#:
06A919501A
In Stock
ON SALE!
$48.43

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

$46.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Control Module (600W)

ES#3176292 - 8K0959501G - Radiator Fan Control Module (600W) - Keep your cooling system operating properly - Vemo - Audi

Keep your cooling system operating properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
3176292
Mfg#:
8K0959501G
In Stock
$551.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold

ES#4164524 - 06F133201P - Intake Manifold - Complete intake manifold - URO - Audi Volkswagen

Complete intake manifold 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:
URO - Corporate Logo
ES#:
4164524
Mfg#:
06F133201P
Ships in 1 Business Day
$413.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR Billet Fuel Filler Cap - Screw-In Type

ES#4447602 - VWR190000 - VWR Billet Fuel Filler Cap - Screw-In Type - Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! - Racingline - Audi Volkswagen

Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with threaded screw-in style gas caps only. Please confirm prior to ordering.

Brand:
Racingline - Corporate Logo
ES#:
4447602
Mfg#:
VWR190000
Ships in 2 Business Days
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Towing Hook

ES#451196 - 8K0805615 - Towing Hook - Front end towing hook - Genuine Volkswagen Audi - Audi Volkswagen

Front end towing hook affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451196
Mfg#:
8K0805615
In Stock
1% off MSRP

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

$37.99

This product was last offered at the strikethrough price on
06-20-2026

$37.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Assembly - Priced Each

ES#2589799 - 8K0407271AL - Front Axle Assembly - Priced Each - Brand new unit without core charge - Genuine Volkswagen Audi - Audi

Brand new unit without core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2589799
Mfg#:
8K0407271AL
Ships in 1-2 days
12% off MSRP

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

$1875.71

This product was last offered at the strikethrough price on
06-20-2026

$1652.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175307 - 251229 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro manual transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175307
Mfg#:
251229
Ships in 4 Business Days
$275.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 15mm Wheel Spacers - Pair (With Bolts)

ES#4430400 - EMD-SPACER-15-66 - EMD Auto 15mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430400
Mfg#:
EMD-SPACER-15-66
Ships in 2 Business Days
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cat-Back Exhaust System

ES#3106950 - 140100 - Performance Cat-Back Exhaust System - 2" stainless steel with dual 3.19" polished stainless tips - Borla - Audi

2" stainless steel with dual 3.19" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Borla - Corporate Logo
ES#:
3106950
Mfg#:
140100
In Stock at Vendor
$1649.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 A4 Solo-Werks S1 Coilovers

ES#2777315 - s1au002 - Audi B6/B7 A4 Solo-Werks S1 Coilovers - Set your vehicle low and tight for optimal performance - Solo-Werks - Audi

Set your vehicle low and tight for optimal performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits Avant models only. Lowering front: 1.4" - 2.4", rear: 1.4" - 2.4"

Brand:
Solo-Werks - Corporate Logo
ES#:
2777315
Mfg#:
S1AU002
Ships on Sep 4, 2026
$549.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#471973 - N91129601 - Bolt - Priced Each - Install new hardware with your new parts. M12x100x90 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M12x100x90 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the starter to the transmission case

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471973
Mfg#:
N91129601
In Stock
6% off MSRP

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

$5.58

This product was last offered at the strikethrough price on
06-20-2026

$5.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt

ES#3677914 - 06D903137E - Performance Kevlar Reinforced Accessory Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

From VIN 8E-4-191001, split is in the 2004 model year

Brand:
ECS - Corporate Logo
ES#:
3677914
Mfg#:
06D903137E
Ships on Jul 20, 2026
Auto Notify
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 2.0T Cast Cooling Flange Replacement Kit

ES#4659383 - 06D121132CKT5 - Audi B7 2.0T Cast Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment once and for all! - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment once and for all! 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#:
4659383
Mfg#:
06D121132CKT5
Ships on Jul 9, 2026
Auto Notify
ON SALE! SAVE 18%
$105.99

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

$86.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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