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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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Timing Chain Guide Rail - Upper

ES#2639851 - 06K109469N - Timing Chain Guide Rail - Upper - Upper rail on the chain that connects to the camshaft - Genuine Volkswagen Audi - Audi Volkswagen

Upper rail on the chain that connects to the camshaft

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2639851
Mfg#:
06K109469N
In Stock
28% off MSRP

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

$45.18

This product was last offered at the strikethrough price on
10-11-2026

$32.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#3640284 - 06H145710J - Diverter Valve - Revised diaphragm-based diverter valve - Genuine Volkswagen Audi - Audi Volkswagen

Revised diaphragm-based diverter valve

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3640284
Mfg#:
06H145710J
Ships in 4 Business 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.

$253.99

This product was last offered at the strikethrough price on
09-30-2026

$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug With Seal

ES#3186707 - 06L103801D - Oil Drain Plug With Seal - Replacement oil pan drain plug with seal - Genuine Volkswagen Audi - Audi Volkswagen

Replacement oil pan drain plug with seal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186707
Mfg#:
06L103801D
In Stock
33% off MSRP

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

$10.36

This product was last offered at the strikethrough price on
10-11-2026

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Cover Gasket

ES#3638796 - 06L103483A - Upper Timing Cover Gasket - Common source of leaks on the cylinder head - Elring - Audi Volkswagen

Common source of leaks on the cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3638796
Mfg#:
06L103483A
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flex Fuel Upgrade For PTFE Lines

ES#4447352 - 201-0154 - Flex Fuel Upgrade For PTFE Lines - Modular add on for ES4447345 - Precision Raceworks - Audi Volkswagen

Modular add on for ES4447345

Brand:
Precision Raceworks - Corporate Logo
ES#:
4447352
Mfg#:
201-0154
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Balancer

ES#2681845 - 06H105243K - Harmonic Balancer - Reduces torsional vibrations on your crankshaft - Corteco - Audi Volkswagen

Reduces torsional vibrations on your crankshaft

Brand:
Corteco - Corporate Logo
ES#:
2681845
Mfg#:
06H105243K
In Stock
$172.99

This product was last offered at the strikethrough price on
06-03-2026

$133.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4061273 - 8W0122101BH - Radiator Hose - Upper - Replace your leaky radiator hose - Genuine Volkswagen Audi - Audi

Replace your leaky radiator hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4061273
Mfg#:
8W0122101BH
Ships in 2 Business Days
8% off MSRP

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

$96.99

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

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE Track Edition Exhaust System - Audi B9 A4 2.0T

ES#4727589 - AWEB9A4TK - AWE Track Edition Exhaust System - Audi B9 A4 2.0T - Equipped with the same precision-engineering as its Touring Edition counterpart, minus the 180 Technology resonators in the rear. - AWE - Audi

Equipped with the same precision-engineering as its Touring Edition counterpart, minus the 180 Technology® resonators in the rear. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
AWE - Corporate Logo
ES#:
4727589
Mfg#:
AWEB9A4TK
Ships on Oct 30, 2026
ON SALE!
Starting at $1595.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CNC-Machined Billet Aluminum Boost Tap

ES#3432374 - 034-145-Z012 - CNC-Machined Billet Aluminum Boost Tap - Installs between the intake manifold and PCV breather hose for a solid boost reference point - 034Motorsport - Audi Volkswagen

Installs between the intake manifold and PCV breather hose for a solid boost reference point 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3432374
Mfg#:
034-145-Z012
Ships in 2 Business Days
$63.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing ER12YS Spark Plugs - Set Of Four

ES#4030523 - er12ys-4KT - Brisk Silver Racing ER12YS Spark Plugs - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! One heat range colder than stock with a projected tip

Brand:
Brisk - Corporate Logo
ES#:
4030523
Mfg#:
ER12YS-4KT
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gen3/DAZA Atmospheric Diverter Valve Spacer - Blue

ES#5457769 - 025254ECS01-04 - Gen3/DAZA Atmospheric Diverter Valve Spacer - Blue - Limited Edition - Individually Numbered - ECS - Audi Volkswagen

Limited Edition - Individually Numbered 10X Entries Into Our F80 M3 Sweepstakes
Fits models with OEM DV part numbers 06H145710J, 06H145710C, 06H145710E. Please verify before ordering.

Brand:
ECS - Corporate Logo
ES#:
5457769
Mfg#:
025254ECS01-04
In Stock
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Seal Installation Guide Tool

ES#3241268 - T20097 - Rear Main Seal Installation Guide Tool - Get your rear main installed the right way - Genuine Volkswagen Audi - Audi Volkswagen

Get your rear main installed the right way

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3241268
Mfg#:
T20097
In Stock
Limited Qty Sale
$154.73

This product was last offered at the strikethrough price on
06-15-2026

$138.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Magnet Kit

ES#5457172 - 06L109259DKT - Camshaft Adjuster Magnet Kit - Stop oil leaks and replace the adjuster magnet in your vehicle - Assembled By ECS - Audi Volkswagen

Stop oil leaks and replace the adjuster magnet in your vehicle 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5457172
Mfg#:
06L109259DKT
Ships on Nov 30, 2026
ON SALE! SAVE 18%
$68.99

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

$56.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FUEL PUMP

ES#4828248 - 06K127028S - FUEL PUMP - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4828248
Mfg#:
06K127028S
Ships in 2 Business Days
6% off MSRP

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

$811.99

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

$760.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR Billet Fuel Filler Cap - Screw-In Type

ES#4447602 - VWR190000 - VWR Billet Fuel Filler Cap - Screw-In Type - Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! - Racingline - Audi Volkswagen

Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! For vehicles with threaded screw-in style gas caps only. Please confirm prior to ordering.

Brand:
Racingline - Corporate Logo
ES#:
4447602
Mfg#:
VWR190000
In Stock
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Large Bore Downpipe And Hi-Flow Cat

Downpipe with HJS 200-Cell High Flow Cat

Brand:
Milltek Sport - Corporate Logo
ES#:
4159430
Mfg#:
SSXAU744
Ships on Oct 30, 2026
$1514.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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