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Audi A4 Most Popular Parts

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66.6-57.1 Hub Centric Rings - Set Of Four

ES#2185353 - AP666571 - 66.6-57.1 Hub Centric Rings - Set Of Four - Plastic 66.6mm to 57.1mm hub centric rings for proper wheel fitment - ECS - Audi BMW Volkswagen

Plastic 66.6mm to 57.1mm hub centric rings for proper wheel fitment 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2185353
Mfg#:
AP666571
In Stock
ON SALE! SAVE 20%
$30.99

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

$24.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gear Oil - 1 Liter

ES#465418 - G055145A2 - Gear Oil - 1 Liter - Keep your gears quiet and smooth with new fluid - Genuine Volkswagen Audi - Audi

Keep your gears quiet and smooth with new fluid

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465418
Mfg#:
G055145A2
In Stock
$136.99 USD
Free Shipping

Vacuum Pump Replacement Kit

ES#3508351 - 06J145100PKT1 - Vacuum Pump Replacement Kit - Includes pump, gasket, and hardware for a complete cylinder-head mounted vacuum pump replacement. - Assembled By ECS - Audi

Includes pump, gasket, and hardware for a complete cylinder-head mounted vacuum pump replacement. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3508351
Mfg#:
06J145100PKT1
In Stock
$182.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Catch Can Kit

ES#4475474 - 034-101-1017 - 034Motorsport Catch Can Kit - Keep your intake tract clean and carbon free - 034Motorsport - Audi

Keep your intake tract clean and carbon free 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with metal intake manifold (Flex Fuel)
For vehicles with metal intake manifold (Flex Fuel)

Brand:
034Motorsport - Corporate Logo
ES#:
4475474
Mfg#:
034-101-1017
Back Ordered
$674.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Front Strut Brace - Audi B9 A4/A5/S4/S5/RS5

ES#3188267 - 019218ECS01 - Billet Aluminum Front Strut Brace - Audi B9 A4/A5/S4/S5/RS5 - Provides additional support to the strut towers for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the strut towers for flex reduction to enhance your driving experience 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3188267
Mfg#:
019218ECS01
In Stock
ON SALE! SAVE 20%
$383.99

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

$306.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Control Arm Kit

ES#4369876 - 8K0407509AKT3 - Front Upper Control Arm Kit - Includes all front URO upper control arms & hardware - URO - Audi

Includes all front URO upper control arms & hardware 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4369876
Mfg#:
8K0407509AKT3
In Stock
$253.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi B9 A4/A5/S4/S5

ES#3411932 - 024564ECS01 - Carbon Fiber Mirror Cap Set - Audi B9 A4/A5/S4/S5 - With Lane Change Assist - ECS - Audi

With Lane Change Assist 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with lane change assist

Brand:
ECS - Corporate Logo
ES#:
3411932
Mfg#:
024564ECS01
In Stock
ON SALE! SAVE 20%
$413.99

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

$331.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt - 14x1.5x45mm - Priced Per Pair

ES#4159275 - S17D45R13ZNNI-2 - Ball Seat Wheel Bolt - 14x1.5x45mm - Priced Per Pair - Black zinc coated wheel bolts made specifically for OE wheels - ECS - Audi Volkswagen

Black zinc coated wheel bolts made specifically for OE wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4159275
Mfg#:
S17D45R13ZNNI-2
In Stock
ON SALE! SAVE 25%
$12.99

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

$9.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Front Control Arm Kit

ES#2535202 - 8D0498998 - Complete Front Control Arm Kit - Includes all front control arms, tie rod ends, sway bar end links & hardware - URO - Audi Volkswagen

Includes all front control arms, tie rod ends, sway bar end links & hardware 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535202
Mfg#:
8D0498998
In Stock
$330.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head - Without Camshafts

ES#3569508 - 06H103064AC - Complete Cylinder Head - Without Camshafts - 100% new cylinder head for your 2.0T valvelift Audi - Complete with valves and valve springs. - AMC - Audi

100% new cylinder head for your 2.0T valvelift Audi - Complete with valves and valve springs. Fits models with CAEB, CAED engine codes

Brand:
AMC - Corporate Logo
ES#:
3569508
Mfg#:
06H103064AC
In Stock
$1652.99

This product was last offered at the strikethrough price on
08-12-2026

$1499.99 USD
Free Shipping

APR Throttle Booster

ES#4624165 - EM100050 - APR Throttle Booster - Wireless Controller with Blutooth Mobile connectivity - APR - Audi Volkswagen Porsche

Wireless Controller with Blutooth Mobile connectivity Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4624165
Mfg#:
EM100050
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.

$337.95

This product was last offered at the strikethrough price on
09-20-2026

$299.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 A4 Rear Diffuser - Gloss Black

ES#4057347 - 006118LA01 - Audi B7 A4 Rear Diffuser - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries Into Our F80 M3 Sweepstakes

Fits sedan/avant models with dual exit/single tip exhaust

Brand:
ECS - Corporate Logo
ES#:
4057347
Mfg#:
006118LA01
In Stock
ON SALE! SAVE 20%
$363.99

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

$291.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Replacement Kit

ES#2602416 - 06H103600AAKT - Oil Pan Replacement Kit - Everything required to replace your leaking pan, including the oil change - Assembled By ECS - Audi

Everything required to replace your leaking pan, including the oil change 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602416
Mfg#:
06H103600AAKT
In Stock
ON SALE!
$227.99

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

$218.11 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cylinder Head Gasket Set

ES#3046098 - 06H103383ADKT1 - Cylinder Head Gasket Set - Includes most major cylinder head gaskets and seals - Assembled By ECS - Audi

Includes most major cylinder head gaskets and seals 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3046098
Mfg#:
06H103383ADKT1
In Stock
ON SALE! SAVE 14%
$190.99

This product was last offered at the strikethrough price on
07-17-2026

$163.46 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Standard Timing Belt Kit

ES#3214738 - 06F198119A - Standard Timing Belt Kit - Includes basic components to change your timing belt - Ina - Audi Volkswagen

Includes basic components to change your timing belt We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3214738
Mfg#:
06F198119A
In Stock
$133.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear B4 OE Shock Absorber - Priced Each

ES#2981806 - 19-171609 - Rear B4 OE Shock Absorber - Priced Each - Fits both left & right sides. Restore your factory ride quality! - Bilstein - Audi

Fits both left & right sides. Restore your factory ride quality! 10X Entries Into Our F80 M3 Sweepstakes

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

Brand:
Bilstein - Corporate Logo
ES#:
2981806
Mfg#:
19-171609
In Stock
$95.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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