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Audi A4 Engine Parts & Accessories

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ES#2827420 - SSXAU296 -  Cat-Back Exhaust System - Resonated - 2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips - Milltek Sport - Audi

2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827420
Mfg#:
SSXAU296
Ships on Dec 17, 2026
$1685.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2918845 - 079103051F - Rear Crankshaft Seal - Also referred to as the rear main seal - Elring - Audi Volkswagen

Also referred to as the rear main seal 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2918845
Mfg#:
079103051F
In Stock
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2226107 - FMFSITAT - Blow-Off Valve - Polished - Stop boost leaking from your diverter valve once and for all! - Forge - Audi Volkswagen

Stop boost leaking from your diverter valve once and for all! For vehicles up to 2013.5, does not work on the new TSI engines

Brand:
Forge - Corporate Logo
ES#:
2226107
Mfg#:
FMFSITAT
Ships on Nov 30, 2026
$373.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4940285 - 0280218063SJ - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - URO - Audi Volkswagen

Restore fuel economy and performance 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
4940285
Mfg#:
0280218063SJ
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818469 - 06F906283F - Waste Gate Frequency Control N75 Valve - Controls the boost pressure on turbocharger systems - Bremmen Parts - Audi Volkswagen

Controls the boost pressure on turbocharger systems 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818469
Mfg#:
06F906283F
In Stock
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3537701 - 019219ecs01aKT1 -  Luft-Technik B9 A4 Front Mount Intercooler - Reduce restrictions and increase cooling! - ECS - Audi

Reduce restrictions and increase cooling! 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

For vehicles with production date up through 2020

Brand:
ECS - Corporate Logo
ES#:
3537701
Mfg#:
019219ECS01AKT1
In Stock
$838.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4447287 - 06k905601kKT - Performance Ignition Service Kit  - Features APR Upgraded Ignition Coils and OEM plugs, ensuring a stronger and more consistent spark! - Assembled By ECS - Audi Volkswagen

Features APR Upgraded Ignition Coils and OEM plugs, ensuring a stronger and more consistent spark! 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
CARB certified for sale in all 50 states

Brand:
Assembled By ECS - Corporate Logo
ES#:
4447287
Mfg#:
06K905601KKT
EO#:
D-783-5
In Stock
$349.99

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

$304.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2831230 - 06H133209G - Intake Manifold  - Genuine Replacement - Genuine Volkswagen Audi - Audi

Genuine Replacement Fits Flex Fuel models from the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831230
Mfg#:
06H133209G
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.

$636.99

This product was last offered at the strikethrough price on
10-05-2026

$557.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818674 - 8K0121081AH - Coolant Expansion Tank Hose - Located between the coolant expansion tank and the cylinder head coolant flange - Bremmen Parts - Audi

Located between the coolant expansion tank and the cylinder head coolant flange 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818674
Mfg#:
8K0121081AH
In Stock
$46.99 USD
Free Shipping
on orders $49 and up
ES#4620113 - 06H145778B - Turbo Oil Supply Line - Supplies oil to the turbocharger assembly - Gates - Audi

Supplies oil to the turbocharger assembly

Brand:
Gates - Corporate Logo
ES#:
4620113
Mfg#:
06H145778B
Ships in 1-2 days
$302.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4500832 - 034-108-1051 - X34 Carbon Fiber Intake System - Delivers improved power, sound, and acceleration in a clean OEM+ package. - 034Motorsport - Audi

Delivers improved power, sound, and acceleration in a clean OEM+ package. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4500832
Mfg#:
034-108-1051
Ships in 2 Business Days
$833.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3960 - B6A4UTBKEV -  Timing Belt Kit - Ultimate - Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. - Assembled By ECS - Audi

Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3960
Mfg#:
B6A4UTBKEV
In Stock
$237.99

This product was last offered at the strikethrough price on
09-10-2026

$221.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4841537 - 06D109309J - Fuel Pump Cam Follower - Common wear item on the FSI engine. - Genuine Volkswagen Audi - Audi Volkswagen

Common wear item on the FSI engine.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4841537
Mfg#:
06D109309J
In Stock
Limited Qty Sale
1% off MSRP

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

$104.99

This product was last offered at the strikethrough price on
05-14-2026

$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#252302 - 8E0121251A - Coolant Radiator - Keep your cooling system operating properly - Nissens - Audi

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
252302
Mfg#:
8E0121251A
In Stock
$174.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#390198 - 4F0201511E - Fuel Filter - With a pressure regulator - Genuine Volkswagen Audi - Audi

With a pressure regulator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
390198
Mfg#:
4F0201511E
In Stock
13% 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
11-06-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2848070 - CTSEXHCB0013 - Cat-Back Exhaust System - Dual Exit Single Tips  - 2.5" stainless steel with dual 3" polished stainless tips - CTS - Audi

2.5" stainless steel with dual 3" polished stainless tips

Brand:
CTS - Corporate Logo
ES#:
2848070
Mfg#:
CTSEXHCB0013
Ships in 7 Business Days
$1099.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your Audi

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