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Audi A4 Most Popular Parts

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Front B4 OE Strut - Priced Each

ES#2981805 - 19-171593 - Front B4 OE Strut - Priced Each - Fits both left & right sides. Restore your factory ride quality! - Bilstein - Audi

Fits both left & right sides. Restore your factory ride quality! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code

Brand:
Bilstein - Corporate Logo
ES#:
2981805
Mfg#:
19-171593
In Stock
47% off MSRP

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

$172.00

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

$92.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injectors - Set Of Four

ES#3658475 - 06h906036nkt2KT - Fuel Injectors - Set Of Four - Keep your engine running smooth! - Bosch - Audi

Keep your engine running smooth! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From the 2013 model year

Brand:
Bosch - Corporate Logo
ES#:
3658475
Mfg#:
06H906036NKT2KT
In Stock
$470.28

This product was last offered at the strikethrough price on
12-09-2025

$307.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi R8 Style Oil Cap

ES#4685902 - 420103485B - Audi R8 Style Oil Cap - Add new styling in minutes with this Audi R8 style oil cap - Bremmen Parts - Audi Volkswagen

Add new styling in minutes with this Audi R8 style oil cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4685902
Mfg#:
420103485B
In Stock
ON SALE! SAVE 14%
$34.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

18" Style 010 Wheels - Set Of Four

ES#2695702 - 010-24MK5 - 18" Style 010 Wheels - Set Of Four - 18x9 ET30 5x112 57.1CB - Silver With Machined Lip - Alzor - Audi Volkswagen

18x9 ET30 5x112 57.1CB - Silver With Machined Lip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2695702
Mfg#:
010-24MK5
In Stock
ON SALE! SAVE 25%
$1176.99

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

$882.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" Style 010 Wheels - Set Of Four

ES#2695704 - 010-23MK5 - 18" Style 010 Wheels - Set Of Four - 18"x8" ET33 57.1CB 5x112 - Silver With Machined Lip - Alzor - Audi Volkswagen

18"x8" ET33 57.1CB 5x112 - Silver With Machined Lip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2695704
Mfg#:
010-23MK5
In Stock
ON SALE! SAVE 25%
$1176.99

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

$882.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" Style 620 Wheels - Set Of Four

ES#2143392 - 620-5 - 18" Style 620 Wheels - Set Of Four - 18x8 ET35 5x112 57.1CB - Hyper Silver - Alzor - Audi Volkswagen

18x8 ET35 5x112 57.1CB - Hyper Silver affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Requires 5mm spacers for the front to clear the calipers

Brand:
Alzor - Corporate Logo
ES#:
2143392
Mfg#:
620-5
In Stock
ON SALE! SAVE 25%
$1176.99

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

$882.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#2631791 - 06L103801 - Oil Drain Plug - Replacement oil pan drain plug with seal - Genuine Volkswagen Audi - Audi Volkswagen

Replacement oil pan drain plug with seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2631791
Mfg#:
06L103801
In Stock
19% off MSRP

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

$9.42

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

$7.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

H8/H11 Premium LED Conversion Kit - Series 2

ES#4875816 - 003452LB04-06 - H8/H11 Premium LED Conversion Kit - Series 2 - Set of 2 36,000lm, 160W combined plug and play LED headlight bulbs - ZiZa - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Set of 2 36,000lm, 160W combined plug and play LED headlight bulbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
4875816
Mfg#:
003452LB04-06
In Stock
ON SALE! SAVE 10%
$89.99

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

$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TSI Billet Aluminum Fuel Rail

ES#4908335 - 044784LA01-02 - TSI Billet Aluminum Fuel Rail - Update & upgrade! Our exclusive, plug-and-play design features billet aluminum construction, ported passages, and "BH" intake manifold compatibility. - ECS - Audi Volkswagen

Update & upgrade! Our exclusive, plug-and-play design features billet aluminum construction, ported passages, and "BH" intake manifold compatibility. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4908335
Mfg#:
044784LA01-02
Ships on Jun 24, 2026
Auto Notify
ON SALE! SAVE 15%
$459.99

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

$390.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#1876 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Bosch - Audi Volkswagen

Measures cam position and relays it to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1876
Mfg#:
058905161B
In Stock
$110.99

This product was last offered at the strikethrough price on
03-24-2026

$66.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" APEX SM-10RS Wheels - Square Set Of Four

ES#4742989 - sm10rs1995smbkKT - 19" APEX SM-10RS Wheels - Square Set Of Four - Forged 19x9.5" ET25 5x112 - Satin Black - APEX Wheels - Audi

Forged 19x9.5" ET25 5x112 - Satin Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
APEX Wheels - Corporate Logo
ES#:
4742989
Mfg#:
SM10RS1995SMBKKT
Back Ordered
$3516.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Valve - Priced Each

ES#2802565 - 06D109611H - Exhaust Valve - Priced Each - A sodium filled valve - Rein - Audi Volkswagen

A sodium filled valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802565
Mfg#:
06D109611H
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rear Differential Mount - Audi B5 A4/S4

ES#2730494 - 003248ECS01A - Performance Rear Differential Mount - Audi B5 A4/S4 - Increase drivetrain rigidity and response! - ECS - Audi

Increase drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2730494
Mfg#:
003248ECS01A
In Stock
ON SALE! SAVE 30%
$238.99

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

$167.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Lug Bolts (Set of 10) - 37mm

ES#3570136 - MS100175 - APR Lug Bolts (Set of 10) - 37mm - Black zinc coated 37mm ball set wheel bolts to be used with 10mm wheel spacers - APR - Audi Volkswagen

Black zinc coated 37mm ball set wheel bolts to be used with 10mm wheel spacers Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3570136
Mfg#:
MS100175
In Stock
11% off MSRP

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

$63.99

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

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - Premium

ES#3125751 - 06E115562AKT1 - Oil Service Kit - Premium - Includes Hengst oil filter, drain plug/washer, and 7 liters of Motul 5w-40 oil - Assembled By ECS - Audi

Includes Hengst oil filter, drain plug/washer, and 7 liters of Motul 5w-40 oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-6-285001, split is in the 2006 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3125751
Mfg#:
06E115562AKT1
In Stock
ON SALE!
$104.99

This product was last offered at the strikethrough price on
05-29-2026

$104.61 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Filter - Priced Each

ES#251910 - 06D115562 - Oil Filter - Priced Each - Replaces OEM# 06D115562 - Keep your oil clean and your engine running like new - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Replaces OEM# 06D115562 - Keep your oil clean and your engine running like new 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! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
251910
Mfg#:
06D115562
In Stock
$7.51 USD
Free Shipping
on orders $49 and up

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