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Audi A4 Most Popular Parts

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IE Catback Exhaust System - B9 A4

ES#4904361 - IEEXCK8 - IE Catback Exhaust System - B9 A4 - Features high-flow 2.5" piping, 90mm twin exhaust tips, and iE's DroneTrap technology - Integrated Engineering - Audi

Features high-flow 2.5" piping, 90mm twin exhaust tips, and iE's DroneTrap technology

Brand:
Integrated Engineering - Corporate Logo
ES#:
4904361
Mfg#:
IEEXCK8
In Stock
$1649.99 USD
Free Shipping

CTS 2.0T FSI EA113 & TSI EA888 Intake Manifold

ES#4465966 - CTS-HW-0420R - CTS 2.0T FSI EA113 & TSI EA888 Intake Manifold - Upgraded intake manifold providing over 40% more volume and equalized air flow! - CTS - Audi Volkswagen

Upgraded intake manifold providing over 40% more volume and equalized air flow! Aftermarket ECU tuning and catch can required.
Not Compatible with B8.5 A4/A5 with 5th Injector Aluminum Manifold

Brand:
CTS - Corporate Logo
ES#:
4465966
Mfg#:
CTS-HW-0420R
Ships in 8 Business Days
ON SALE! SAVE 10%
$799.99

This product was last offered at the strikethrough price on
09-29-2026

$719.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Calico Coated ACL Race Rod Bearing Set - Standard Clearance

ES#2794201 - CAL4B1606H - Calico Coated ACL Race Rod Bearing Set - Standard Clearance - Coated rod bearings for the most extreme applications! - Integrated Engineering - Audi Volkswagen

Coated rod bearings for the most extreme applications! Factory rods do not accept tang bearings and are not compatible, these are for use when installing with IE Rods only.

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794201
Mfg#:
CAL4B1606H
In Stock
$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" Style 698 - Set Of Four

ES#4314833 - 698-1KT - 18" Style 698 - Set Of Four - 18"x8" ET45 5x112 - Gloss Black - Alzor - Audi Volkswagen

18"x8" ET45 5x112 - Gloss Black 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
4314833
Mfg#:
698-1KT
In Stock
$1166.99 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
In Stock
$674.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intermediate Steering Shaft

ES#4349034 - 8K1419753H - Intermediate Steering Shaft - Connection point between the steering column and the steering rack - VIKA - Audi

Connection point between the steering column and the steering rack

Brand:
VIKA - Corporate Logo
ES#:
4349034
Mfg#:
8K1419753H
Ships in 4 Business Days
$154.67

This product was last offered at the strikethrough price on
10-22-2026

$136.30 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR Stud & Nut Conversion Kit - Conical Seat - 70mm Studs

ES#3570418 - VWR630001 - VWR Stud & Nut Conversion Kit - Conical Seat - 70mm Studs - Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion - Racingline - Audi Volkswagen

Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion

Brand:
Racingline - Corporate Logo
ES#:
3570418
Mfg#:
VWR630001
Ships in 3 Business Days
$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

18" Style 881 Wheels - Set Of Four

ES#2652318 - 881AKT3 - 18" Style 881 Wheels - Set Of Four - 18x8.5 ET35 5x112 66.6CB - Silver With Machined Lip - Alzor - Audi MINI

18x8.5 ET35 5x112 66.6CB - Silver With Machined Lip 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
2652318
Mfg#:
881AKT3
In Stock
$1166.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - *Limited Edition* Red*

ES#4001248 - FMDV008R - 008 Premium Diverter Valve - *Limited Edition* Red* - Smaller, tougher and tuneable! *Limited edition red finish* - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable! *Limited edition red finish* Limited Editions ONLY at ECS Tuning : Limited Stock so Act Fast

Brand:
Forge - Corporate Logo
ES#:
4001248
Mfg#:
FMDV008R
Ships on Feb 12, 2027
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo B8/B8.5 2.0T Direct Fit FMIC Kit

ES#4043071 - CTS-B8-DF - CTS Turbo B8/B8.5 2.0T Direct Fit FMIC Kit - Almost 2 times larger than stock, but does not cause a noticeable pressure drop - The B8 platform benefits greatly from an intercooler upgrade! - CTS - Audi

Almost 2 times larger than stock, but does not cause a noticeable pressure drop - The B8 platform benefits greatly from an intercooler upgrade!

Brand:
CTS - Corporate Logo
ES#:
4043071
Mfg#:
CTS-B8-DF
In Stock
ON SALE! SAVE 10%
$699.99

This product was last offered at the strikethrough price on
09-29-2026

$629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner - Upper

ES#3220561 - 06K109467K - Timing Chain Tensioner - Upper - For the camshaft chain and located near the left guide rail - Bremmen Parts - Audi Volkswagen

For the camshaft chain and located near the left guide rail 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220561
Mfg#:
06K109467K
In Stock
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Bolt - Set Of 14

ES#4765688 - 06B103831J-14 - Valve Cover Bolt - Set Of 14 - Full set used to secure the valve cover to the cylinder head - Bremmen Parts - Audi Volkswagen

Full set used to secure the valve cover to the cylinder head 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4765688
Mfg#:
06B103831J-14
In Stock
$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Engine oil Dipstick - black Anodized

ES#3138259 - 018641ECS02-02 - Billet Engine oil Dipstick - black Anodized - A more durable and aesthetically pleasing addition to your engine bay - ECS - Audi

A more durable and aesthetically pleasing addition to your engine bay 10X Entries Into Our F80 M3 Sweepstakes

From the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3138259
Mfg#:
018641ECS02-02
In Stock
ON SALE! SAVE 30%
$113.99

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

$79.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

D3S 6000K XB HID Bulb - Pair

ES#4212783 - MM.N.077 - D3S 6000K XB HID Bulb - Pair - Quality replacement xenon bulbs from Morimoto - Morimoto - Audi Volkswagen

Quality replacement xenon bulbs from Morimoto

Brand:
Morimoto - Corporate Logo
ES#:
4212783
Mfg#:
MM.N.077
In Stock
$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#3647278 - bkr7eixktKT - Ignition Service Kit - Includes four Original Equipment red coil packs and four NGK iridium spark plugs (BKR7EIX - Factory heat range) - Assembled By ECS - Audi Volkswagen

Includes four Original Equipment red coil packs and four NGK iridium spark plugs (BKR7EIX - Factory heat range) 10X Entries Into Our F80 M3 Sweepstakes
Fits models up to the 2015 model year with gen2 EA888 engine

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647278
Mfg#:
BKR7EIXKTKT
In Stock
$182.99

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

$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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