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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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This product has been superseded to ES#4066582

Diverter Valve

ES#4691256 - 06H145710C - Diverter Valve - Revised diaphragm-based diverter valve - Hamburg Tech - Audi Volkswagen

Revised diaphragm-based diverter valve We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4691256
Mfg#:
06H145710C
In Stock
Limited Qty Sale
$49.99

This product was last offered at the strikethrough price on
06-11-2026

$42.99 USD
Free Shipping
on orders $49 and up

Front Oxygen Sensor - Priced Each

ES#3678753 - 06L906262G - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3678753
Mfg#:
06L906262G
In Stock
Limited Qty Sale
$287.99

This product was last offered at the strikethrough price on
08-04-2026

$256.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Valve Unit - Priced Each

ES#4689761 - 06L109257F - Camshaft Adjuster Valve Unit - Priced Each - Controls the flow of oil for the camshaft adjuster - Bremmen Parts - Audi Volkswagen

Controls the flow of oil for the camshaft adjuster 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with production date up through 6/13/2016 only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4689761
Mfg#:
06L109257F
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 22%
$68.99

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

$53.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Active Motor Mount Resistor Bypass - Priced Each

ES#4846369 - 034-708-0006 - Active Motor Mount Resistor Bypass - Priced Each - Used to remove the soft code caused by replacing the failure-prone factory "active" mounts with 034Motorsport Density Line & Motorsport Spec Engine Mounts. One required per mount. - 034Motorsport - Audi

Used to remove the soft code caused by replacing the failure-prone factory "active" mounts with 034Motorsport Density Line & Motorsport Spec Engine Mounts. One required per mount. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4846369
Mfg#:
034-708-0006
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$14.00

This product was last offered at the strikethrough price on
08-17-2026

$12.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#4066585 - 06l103801 - Oil Drain Plug - Replacement oil pan drain plug with seal - Hamburg Tech - Audi Volkswagen Porsche

Replacement oil pan drain plug with seal We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4066585
Mfg#:
06L103801
In Stock
$5.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMS Blow Off Valve Spacer

ES#3998874 - MK7-BOV-SPR - BMS Blow Off Valve Spacer - Converts factory diverter valve into a blow-off valve - Burger Motorsports - Audi Volkswagen

Converts factory diverter valve into a blow-off valve

Brand:
Burger Motorsports - Corporate Logo
ES#:
3998874
Mfg#:
MK7-BOV-SPR
Ships in 1 Business Day
$99.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#3714283 - 06l121012akt2 - Cooling System Refresh Kit - Level 1 - This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware. - Genuine Volkswagen Audi - Audi

This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware. For vehicles with engine code CYMC (model years through 2020)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3714283
Mfg#:
06L121012AKT2
Ships in 1 day
$1065.99

This product was last offered at the strikethrough price on
08-14-2026

$981.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Luft-Technik Intake Air Scoop

ES#3183334 - 019848ECS01 - Luft-Technik Intake Air Scoop - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3183334
Mfg#:
019848ECS01
In Stock
ON SALE! SAVE 10%
$135.99

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

$122.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4830178
Mfg#:
8W0121405KKT
Ships in 1 day
$1062.99

This product was last offered at the strikethrough price on
08-14-2026

$978.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Titanium MQB Ignition Coil Hardware Kit - Set Of Four Red Titanium Washers

ES#4476323 - TI-M6X1X40-4RD - Titanium MQB Ignition Coil Hardware Kit - Set Of Four Red Titanium Washers - Replace your pesky OEM ignition coil tiedown studs with these titanium bolts! - ECS - Audi Volkswagen

Replace your pesky OEM ignition coil tiedown studs with these titanium bolts! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4476323
Mfg#:
TI-M6X1X40-4RD
Ships in 3 Business Days
ON SALE! SAVE 10%
$46.99

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

$42.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Kit - Polished

ES#3499516 - FMDVMK7RC - Diverter Valve Kit - Polished - Cure your leaking valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking valve problems for good!

Brand:
Forge - Corporate Logo
ES#:
3499516
Mfg#:
FMDVMK7RC
Ships in 10 Business Days
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Timing Sprocket

ES#281360 - 06H105209AT - Crankshaft Timing Sprocket - Toothed sprocket bolts to crankshaft - Drives the timing chain & oil pump - Genuine Volkswagen Audi - Audi Volkswagen

Toothed sprocket bolts to crankshaft - Drives the timing chain & oil pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281360
Mfg#:
06H105209AT
Ships in 1 day
7% off MSRP

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

$259.99

This product was last offered at the strikethrough price on
08-25-2026

$242.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034 Motorsports Performance Air Filter 5" Inlet - Conical

ES#4615835 - 034-108-B016 - 034 Motorsports Performance Air Filter 5" Inlet - Conical - Direct replacement for the 034Motorsport B9 Audi P34 Intake System. - 034Motorsport - Audi

Direct replacement for the 034Motorsport B9 Audi P34 Intake System. 2X Entries Into Our F80 M3 Sweepstakes
Replacement filter for ES#3419046

Brand:
034Motorsport - Corporate Logo
ES#:
4615835
Mfg#:
034-108-B016
Ships in 2 Business Days
ON SALE! SAVE 14%
$113.00

This product was last offered at the strikethrough price on
08-17-2026

$96.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injectors - Set Of Four

ES#3690809 - 06l906036aaKT - Fuel Injectors - Set Of Four - The perfect kit to service all four injectors - Genuine Volkswagen Audi - Audi

The perfect kit to service all four injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3690809
Mfg#:
06L906036AAKT
Ships in 1 day
$963.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector - Priced Each

ES#4007431 - 06L906036AH - Fuel Injector - Priced Each - Keep your engine running smooth - Genuine Volkswagen Audi - Audi

Keep your engine running smooth

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4007431
Mfg#:
06L906036AH
Ships in 1 day
7% off MSRP

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

$258.99

This product was last offered at the strikethrough price on
08-25-2026

$240.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Burger Motorsports JB4 Tuner - Group 6

ES#3514913 - JB4-MLB-2.0 - Burger Motorsports JB4 Tuner - Group 6 - Features CAN-Bus connectivity for more advanced tuning gain up to 50hp/70lb-ft on a stock car, 75hp/90lb-ft on a modified car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 50hp/70lb-ft on a stock car, 75hp/90lb-ft on a modified car Not for sale or use in the state of California.
For 252hp engine variant only

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514913
Mfg#:
JB4-MLB-2.0
Ships on Sep 11, 2026
$479.00 USD
Free Shipping
on orders $49 and up
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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