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Audi A4 Most Popular Parts

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Phenolic Big Port To Small Port Adapter kit

ES#2794391 - IEBAVA16 - Phenolic Big Port To Small Port Adapter kit - For vehicles with small port heads and large port intake manifold - Integrated Engineering - Audi Volkswagen

For vehicles with small port heads and large port intake manifold

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794391
Mfg#:
IEBAVA16
In Stock
$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Roof Rack Torque Wrench

ES#517521 - 8R0071712L - Roof Rack Torque Wrench - Torque wrench for roof rack bar set *Code ST* - Genuine Volkswagen Audi - Audi

Torque wrench for roof rack bar set *Code ST*

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
517521
Mfg#:
8R0071712L
Ships in 1 day
3% off MSRP

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

$65.99

This product was last offered at the strikethrough price on
10-08-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Valve Bolt - Priced Each

ES#471135 - N90905902 - PCV Valve Bolt - Priced Each - Bolt secures the PCV valve to the cylinder head. M5x16mm - Genuine Volkswagen Audi - Audi Volkswagen

Bolt secures the PCV valve to the cylinder head. M5x16mm Used to secure the PCV valve to the cylinder head, 4 required per car

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471135
Mfg#:
N90905902
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Outer CV Joint Refresh Kit - Priced Each

ES#2872697 - 8T0498203 - Front Outer CV Joint Refresh Kit - Priced Each - Fits the left & right sides - Febi - Audi

Fits the left & right sides We Price Match - Give Us A Call or Chat!
From the 2013 model year

Brand:
Febi - Corporate Logo
ES#:
2872697
Mfg#:
8T0498203
Ships in 1 Business Day
$39.99

This product was last offered at the strikethrough price on
05-07-2026

$35.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mid Exact-Fit Stainless Steel Brake Lines

ES#3450991 - 024677ECS01 - Mid Exact-Fit Stainless Steel Brake Lines - Mid set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Mid set of DOT-compliant lines for an improved pedal feel 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3450991
Mfg#:
024677ECS01
In Stock
ON SALE! SAVE 15%
$93.99

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

$79.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Piston - 1mm Oversize - Set Of 4

ES#4742789 - P4-VW18T82-N4 - Supertech Piston - 1mm Oversize - Set Of 4 - Supertech 1mm oversized piston set including 20mm wrist pins. - Supertech - Audi Volkswagen

Supertech 1mm oversized piston set including 20mm wrist pins.

Brand:
Supertech - Corporate Logo
ES#:
4742789
Mfg#:
P4-VW18T82-N4
Ships in 8 Business Days
$638.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B8/B8.5 A4/S4 Lowering Springs & Installation Kit

ES#4691182 - 047330LA01KT - B8/B8.5 A4/S4 Lowering Springs & Installation Kit - Dramatically improve looks and handling with and average lowering up to 1.6" front and rear. Paired with ECS Tuning Cup Kit Installation Kit. - Assembled By ECS - Audi

Dramatically improve looks and handling with and average lowering up to 1.6" front and rear. Paired with ECS Tuning Cup Kit Installation Kit. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4691182
Mfg#:
047330LA01KT
In Stock
ON SALE!
$652.99

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

$638.72 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#4830641 - 06B903341B - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Bremmen Parts - Audi

Also referred to as the 'relay roller' 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830641
Mfg#:
06B903341B
In Stock
ON SALE! SAVE 21%
$27.99

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

$22.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

01V Automatic Transmission Service Kit

ES#261797 - ECS01VSKT - 01V Automatic Transmission Service Kit - Includes the necessary filter, plugs, gaskets, and Vaico ATF G052 fluid to service your transmission - Assembled By ECS - Audi Volkswagen

Includes the necessary filter, plugs, gaskets, and Vaico ATF G052 fluid to service your transmission 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
261797
Mfg#:
ECS01VSKT
Ships on Nov 6, 2026
ON SALE! SAVE 39%
$351.15

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

$212.75 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

B4 OE Replacement DampTronic Rear Strut - Priced Each

ES#4148169 - 26-296029 - B4 OE Replacement DampTronic Rear Strut - Priced Each - Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! - Bilstein - Audi

Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with electronic suspension

Brand:
Bilstein - Corporate Logo
ES#:
4148169
Mfg#:
26-296029
In Stock
$319.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Burger Motorsports JB4 Tuner W/ Smartphone Wireless Connect Kit

ES#4213365 - jb4-b8-ea888KT - Burger Motorsports JB4 Tuner W/ Smartphone Wireless Connect Kit - Features CAN-Bus connectivity for more advanced tuning gain up to 28whp/50lb-ft on a stock car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 28whp/50lb-ft on a stock car Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4213365
Mfg#:
JB4-B8-EA888KT
Ships in 5 Business Days
$638.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan & Installation Kit

ES#3658432 - 8k1863821kt2KT - Front Belly Pan & Installation Kit - Reduces noise and protects your undercarriage - includes installation hardware - Genuine Volkswagen Audi - Audi

Reduces noise and protects your undercarriage - includes installation hardware Automatic transmission vehicles - Fits from the 2013 facelift models

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3658432
Mfg#:
8K1863821KT2KT
Ships in 1 day
$656.99

This product was last offered at the strikethrough price on
08-31-2026

$637.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Slotted (Blade) Brake Rotors - Pair (300x12)

ES#3131991 - BSD1535 - Rear Slotted (Blade) Brake Rotors - Pair (300x12) - The Uniquely created blade slot design helps to remove hot gases from the braking zone in a quick and efficient way - EBC - Audi

The Uniquely created blade slot design helps to remove hot gases from the braking zone in a quick and efficient way 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
3131991
Mfg#:
BSD1535
In Stock at Vendor
5% off MSRP

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

$335.99

This product was last offered at the strikethrough price on
10-08-2026

$318.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Engine Mount Kit

ES#2748210 - SM100004KT2 - Performance Engine Mount Kit - Includes upgraded RS4 motor mounts, ECS polyurethane snub mount, and hardware - Assembled By ECS - Audi

Includes upgraded RS4 motor mounts, ECS polyurethane snub mount, and hardware 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with electronically monitored engine mounts.

Brand:
Assembled By ECS - Corporate Logo
ES#:
2748210
Mfg#:
SM100004KT2
In Stock
ON SALE! SAVE 13%
$365.99

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

$318.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#2079312 - 06H121132H - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Genuine Volkswagen Audi - Audi

Located at the rear of cylinder head, includes o-rings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2079312
Mfg#:
06H121132H
In Stock
9% off MSRP

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

$63.34

This product was last offered at the strikethrough price on
05-07-2026

$57.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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