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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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VTT VAG Billet One Way Crankcase Breather - Tall

ES#4370482 - VTT-VAG-CC-BTR-L - VTT VAG Billet One Way Crankcase Breather - Tall - First of it's kind for VW/Audi/Porsche vehicles! - Vargas Turbo Technologies - Audi Volkswagen Porsche

First of it's kind for VW/Audi/Porsche vehicles! 2X Entries Into Our F80 M3 Sweepstakes
For vehicles up through the 2020 model year only

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4370482
Mfg#:
VTT-VAG-CC-BTR-L
Ships in 10 Business Days
$156.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#3470890 - 06H906433D - Crankshaft Position Sensor - Also known as the RPM or Impulse sensor. - Genuine Volkswagen Audi - Audi Volkswagen

Also known as the RPM or Impulse sensor.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3470890
Mfg#:
06H906433D
Ships in 2 Business Days
10% 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
08-31-2026

$156.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VTT VAG Billet One Way Crankcase Breather - Short

ES#4370481 - VTT-VAG-CC-BTR-S - VTT VAG Billet One Way Crankcase Breather - Short - First of it's kind for VW/Audi/Porsche vehicles! - Vargas Turbo Technologies - Audi Volkswagen Porsche

First of it's kind for VW/Audi/Porsche vehicles! 2X Entries Into Our F80 M3 Sweepstakes
For vehicles up through the 2020 model year only

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4370481
Mfg#:
VTT-VAG-CC-BTR-S
Ships in 10 Business Days
$156.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#4766492 - 06L121012AKT2AKT - Cooling System Refresh Kit - Level 1 - This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware. - Assembled By ECS - Audi

This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with engine code CYMC (model years through 2020)

Brand:
Assembled By ECS - Corporate Logo
ES#:
4766492
Mfg#:
06L121012AKT2AKT
Back Ordered
ON SALE!
$516.99

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

$469.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Fuel Injector Installation Kit

ES#5434404 - 06j998907dkt1KT2 - Fuel Injector Installation Kit - A simple kit including genuine parts to service all four injectors! - Genuine Volkswagen Audi - Audi Volkswagen Porsche

A simple kit including genuine parts to service all four injectors!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5434404
Mfg#:
06J998907DKT1KT2
In Stock
$91.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bypass Hose

ES#5341426 - 06L121081K - Coolant Bypass Hose - connects to coolant hose connector that mounts in the cylinder head - Rein - Audi

connects to coolant hose connector that mounts in the cylinder head 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5341426
Mfg#:
06L121081K
In Stock at Vendor
$45.99 USD
Free Shipping
on orders $49 and up

Ignition Service Kit

ES#2918769 - 06l905110dkt - Ignition Service Kit - Includes four Genuine coil packs and NGK revision spark plugs - Genuine Volkswagen Audi - Audi

Includes four Genuine coil packs and NGK revision spark plugs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2918769
Mfg#:
06L905110DKT
In Stock
$458.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Tensioner

ES#4758664 - 06K109507F - Oil Pump Tensioner - For the oil pump chain located at the bottom of the block - Bremmen Parts - Audi Volkswagen

For the oil pump chain located at the bottom of the block 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4758664
Mfg#:
06K109507F
Ships on Dec 2, 2026
ON SALE! SAVE 20%
$43.99

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

$35.08 USD
Free Shipping
on orders $49 and up

High Pressure Fuel Sensor

ES#4818491 - 06J906054J - High Pressure Fuel Sensor - Located on the fuel rail - Bremmen Parts - Audi Volkswagen

Located on the fuel rail 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818491
Mfg#:
06J906054J
In Stock
ON SALE! SAVE 20%
$80.99

This product was last offered at the strikethrough price on
10-04-2026

$64.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AFE Power SCORCHER GT Module

ES#3438561 - 77-46405 - AFE Power SCORCHER GT Module - A simple 30 minute install that will give you a huge increase in power! - AFE - Audi Volkswagen

A simple 30 minute install that will give you a huge increase in power!

Brand:
AFE - Corporate Logo
ES#:
3438561
Mfg#:
77-46405
In Stock
20% off MSRP

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

$563.99

This product was last offered at the strikethrough price on
05-27-2026

$451.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Momentum GT Cold Air Intake System With Pro Dry S Filter

ES#3978860 - 50-70032D - Momentum GT Cold Air Intake System With Pro Dry S Filter - This intake delivers proven performance improvements and an aggressive turbo spool sound when under power. - AFE - Audi

This intake delivers proven performance improvements and an aggressive turbo spool sound when under power.

Brand:
AFE - Corporate Logo
ES#:
3978860
Mfg#:
50-70032D
Back Ordered
20% off MSRP

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

$563.99

This product was last offered at the strikethrough price on
05-27-2026

$451.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Brake Fluid Cap - Black Anodized

ES#4039245 - 020809ECS01-01 - Billet Brake Fluid Cap - Black Anodized - Lose the plastic! - ECS - Audi Volkswagen

Lose the plastic! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4039245
Mfg#:
020809ECS01-01
Ships on Feb 19, 2027
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Copper Drain Plug Washer - Pack Of 5

ES#2265 - N138492 5PACK - Copper Drain Plug Washer - Pack Of 5 - Replace with every oil service to prevent leaks. M14x20x1.5 - Victor Reinz - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5

Brand:
Victor Reinz - Corporate Logo
ES#:
2265
Mfg#:
N138492 5PACK
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack Wiring Harness Conduit

ES#2976395 - 06L971824K - Coil Pack Wiring Harness Conduit - Factory black replacement - Genuine Volkswagen Audi - Audi

Factory black replacement

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2976395
Mfg#:
06L971824K
Ships in 2 Business Days
10% off MSRP

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

$19.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip RS With App Control

ES#4339090 - 906972 - RaceChip RS With App Control - Get up to +55 hp and +61 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi Porsche

Get up to +55 hp and +61 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip For pre-facelift vehicles with CYMC engine Code

Brand:
Race Chip - Corporate Logo
ES#:
4339090
Mfg#:
906972
Ships on Oct 30, 2026
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4643077 - 06L121111P - Thermostat - High-flow OE-style design for optimal engine cooling performance - URO - Audi Volkswagen Porsche

High-flow OE-style design for optimal engine cooling performance 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4643077
Mfg#:
06L121111P
Ships in 1 Business Day
$223.99 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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