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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

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Unitronic Intercooler Upgrade 2.0TSI MLB B9 A4/A5/Allroad

ES#4362348 - UH016-ICA - Unitronic Intercooler Upgrade 2.0TSI MLB B9 A4/A5/Allroad - Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction. - Unitronic - Audi

Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction.

Brand:
Unitronic - Corporate Logo
ES#:
4362348
Mfg#:
UH016-ICA
Ships in 5 Business Days
$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Upper

ES#4151149 - 06K103269F - Timing Chain Cover - Upper - Upper timing cover located on the cylinder head - Rein - Audi Volkswagen

Upper timing cover located on the cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with engine codes CYMC, DAYB, DLHB, CYNB

Brand:
Rein - Corporate Logo
ES#:
4151149
Mfg#:
06K103269F
In Stock
$98.65

This product was last offered at the strikethrough price on
07-12-2026

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Magnet Set

ES#5457176 - 06L109259DKT1 - Camshaft Adjuster Magnet Set - Simple kit to replace your camshaft magnets - Assembled By ECS - Audi Volkswagen

Simple kit to replace your camshaft magnets 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5457176
Mfg#:
06L109259DKT1
Ships on Nov 30, 2026
ON SALE! SAVE 18%
$137.99

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

$113.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#3448166 - 06K121605 - Water Pump Belt - Recommended to be replaced with the water pump - Continental - Audi Volkswagen

Recommended to be replaced with the water pump We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3448166
Mfg#:
06K121605
In Stock
$26.99

This product was last offered at the strikethrough price on
06-22-2026

$26.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Upper

ES#2831233 - 06K103269F - Timing Chain Cover - Upper - Upper timing cover located on the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Upper timing cover located on the cylinder head For vehicles with engine codes CYMC, DAYB, DLHB, CYNB

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831233
Mfg#:
06K103269F
Ships in 1-2 days
7% off MSRP

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

$174.99

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

$162.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing

ES#3184677 - 06l115401bKT - Oil Filter Housing - Replace your broken or leaking housing - Genuine Volkswagen Audi - Audi Volkswagen

Replace your broken or leaking housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3184677
Mfg#:
06L115401BKT
In Stock
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1.8T/2.0T Gen3 Diverter Valve Upgrade - Red

ES#4839641 - 013907la01-01KT - 1.8T/2.0T Gen3 Diverter Valve Upgrade - Red - The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. - ECS - Audi Volkswagen Porsche

The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4839641
Mfg#:
013907LA01-01KT
In Stock
ON SALE! SAVE 25%
$333.99

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

$250.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#3561442 - 079919523J - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561442
Mfg#:
079919523J
In Stock
5% off MSRP

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

$53.32

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

$50.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coils - Blue - Set of Four

ES#4708310 - VWR900000-4KT - RacingLine Higher Output Ignition Coils - Blue - Set of Four - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.

Brand:
Racingline - Corporate Logo
ES#:
4708310
Mfg#:
VWR900000-4KT
Ships on Oct 29, 2026
$220.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Valve Unit - Priced Each

ES#2818194 - 06L109257F - Camshaft Adjuster Valve Unit - Priced Each - Controls the flow of oil for the camshaft adjuster - Genuine Volkswagen Audi - Audi Volkswagen

Controls the flow of oil for the camshaft adjuster For vehicles with production date up through 6/13/2016 only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2818194
Mfg#:
06L109257F
Ships in 1-2 days
7% off MSRP

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

$161.99

This product was last offered at the strikethrough price on
09-03-2026

$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Cap Cover - Black Anodized

ES#3677064 - 022506ECS0102 - Billet Fuel Cap Cover - Black Anodized - Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! - ECS - Audi Volkswagen Porsche

Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3677064
Mfg#:
022506ECS0102
In Stock
ON SALE!
$120.99

This product was last offered at the strikethrough price on
09-07-2026

$114.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Cap Cover - Clear Anodized

ES#3677062 - 022506ECS0101 - Billet Fuel Cap Cover - Clear Anodized - Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! - ECS - Audi Volkswagen Porsche

Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3677062
Mfg#:
022506ECS0101
In Stock
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Harsh Climate 5" Oiled Filter & Sock Kit

ES#4465497 - IEINUU2 - IE Harsh Climate 5" Oiled Filter & Sock Kit - Direct replacement filter for all popular IE air intake kits with a 5" velocity stack. - Integrated Engineering - Audi Volkswagen

Direct replacement filter for all popular IE air intake kits with a 5" velocity stack. For vehicles that already have an IE intake

Brand:
Integrated Engineering - Corporate Logo
ES#:
4465497
Mfg#:
IEINUU2
In Stock
$76.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Gen3 High Performance Rod Bearing Set - Standard

ES#4136133 - 4B5562H-STD - 2.0T Gen3 High Performance Rod Bearing Set - Standard - Includes upper and lower bearing shells for a complete rod bearing replacement. - ACL - Audi Volkswagen

Includes upper and lower bearing shells for a complete rod bearing replacement.

Brand:
ACL - Corporate Logo
ES#:
4136133
Mfg#:
4B5562H-STD
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#4007429 - 06L905110K - Ignition Coil - Priced Each - Keep your engine running smooth (K Revision) - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running smooth (K Revision)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4007429
Mfg#:
06L905110K
In Stock
3% off MSRP

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

$99.98

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

$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

X34 Carbon Fiber Intake System

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
In Stock
$833.00 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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