Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi B9 A4 Quattro 2.0T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B9 A4 Quattro 2.0T
Your Vehicle Audi B9 A4 Quattro 2.0T
Change Clear

Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

Sort By
Filter By
Return to Top

034Motorsport Billet Coolant Vent Union

ES#4810768 - 034-102-Z048 - 034Motorsport Billet Coolant Vent Union - Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines. - 034Motorsport - Audi Volkswagen

Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4810768
Mfg#:
034-102-Z048
In Stock
ON SALE! SAVE 10%
$31.00

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

$27.90 USD
Free Shipping

MSD Blaster Series Red Ignition Coils - Set Of Four

ES#4069105 - 87164 - MSD Blaster Series Red Ignition Coils - Set Of Four - Performance coil packs from the company that knows ignition systems! - MSD Performance - Audi Volkswagen

Performance coil packs from the company that knows ignition systems!

Brand:
MSD Performance - Corporate Logo
ES#:
4069105
Mfg#:
87164
In Stock
11% off MSRP

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

$321.99

This product was last offered at the strikethrough price on
08-24-2026

$285.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve

ES#4691260 - 06K103495BL - Oil Separator/PCV Valve - Also called the "breather valve" or "oil separator" - Hamburg Tech - Audi Volkswagen

Also called the "breather valve" or "oil separator" We Price Match - Give Us A Call or Chat!
For vehicles with CYMC engine code only

Brand:
Hamburg Tech - Corporate Logo
ES#:
4691260
Mfg#:
06K103495BL
In Stock
$89.99

This product was last offered at the strikethrough price on
06-10-2026

$83.95 USD
Free Shipping
on orders $49 and up

CTS High Performance Ignition Coil - Red - Set of Four

ES#4475374 - CTS-IGN-007-4KT - CTS High Performance Ignition Coil - Red - Set of Four - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi Volkswagen

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance.

Brand:
CTS - Corporate Logo
ES#:
4475374
Mfg#:
CTS-IGN-007-4KT
In Stock
$159.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Blow-Off Valve Kit - Black Valve

ES#3085837 - FMDVMK7A1 - Blow-Off Valve Kit - Black Valve - Cure your leaking diverter valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking diverter valve problems for good!

Brand:
Forge - Corporate Logo
ES#:
3085837
Mfg#:
FMDVMK7A1
Back Ordered
Auto Notify
$349.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#4818497 - 06K121605 - Water Pump Belt - Recommended to be replaced with the water pump - Bremmen Parts - Audi Volkswagen

Recommended to be replaced with the water pump 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818497
Mfg#:
06K121605
In Stock
ON SALE! SAVE 13%
$22.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR PEX Intake System Audi - B9 A4/A5 2.0T

ES#4616153 - CI100044 - APR PEX Intake System Audi - B9 A4/A5 2.0T - Flows 46% more than stock, reduces pressure drop, and improves turbocharger efficiency. - APR - Audi

Flows 46% more than stock, reduces pressure drop, and improves turbocharger efficiency. Call In Or Chat For Best Price!

Not for vehicles with MAF sensor

Brand:
APR - Corporate Logo
ES#:
4616153
Mfg#:
CI100044
In Stock
11% off MSRP

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

$528.95

This product was last offered at the strikethrough price on
08-24-2026

$469.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MQB Performance Fuel Lines

ES#4447345 - 201-0152 - MQB Performance Fuel Lines - Direct replacement from the fuel pump on the passenger side of the car to an aftermarket MPI system. - Precision Raceworks - Audi Volkswagen

Direct replacement from the fuel pump on the passenger side of the car to an aftermarket MPI system.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4447345
Mfg#:
201-0152
In Stock
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Four

ES#3639456 - 06k905601dKT1 - Spark Plugs - Set Of Four - Platinum plugs to keep your engine running strong - Bosch - Audi Volkswagen

Platinum plugs to keep your engine running strong We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3639456
Mfg#:
06K905601DKT1
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Upper

ES#4766164 - 06K103269F - Timing Chain Cover - Upper - Upper timing cover located on the cylinder head - Bremmen Parts - Audi Volkswagen

Upper timing cover located on the cylinder head 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with engine codes CYMC, DAYB, DLHB, CYNB

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766164
Mfg#:
06K103269F
In Stock
ON SALE! SAVE 21%
$66.99

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

$53.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2738168 - 06L903137A - Accessory Belt - Replaces your cracked or worn belt - Genuine Volkswagen Audi - Audi Volkswagen

Replaces your cracked or worn belt

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2738168
Mfg#:
06L903137A
In Stock
12% off MSRP

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

$40.99

This product was last offered at the strikethrough price on
06-08-2026

$35.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drop In Replacement Air Filter

ES#3988613 - E-0646 - Drop In Replacement Air Filter - High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime - K&N - Audi

High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime

Brand:
K&N - Corporate Logo
ES#:
3988613
Mfg#:
E-0646
In Stock
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport High Output Ignition Coils - Yellow - Set Of Four

ES#4667216 - 0341072012YEL-4 - 034Motorsport High Output Ignition Coils - Yellow - Set Of Four - Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation - 034Motorsport - Audi Volkswagen Porsche

Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4667216
Mfg#:
0341072012YEL-4
In Stock
ON SALE! SAVE 14%
$252.00

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

$215.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

ES#3676785 - 8W0133843C - Air Filter - Keep clean air running through your engine - Hengst - Audi
ECS Tuning recommends this product.

Keep clean air running through your engine 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!
For vehicles with CYMC engine code only

Brand:
Hengst - Corporate Logo
ES#:
3676785
Mfg#:
8W0133843C
In Stock
$24.99

This product was last offered at the strikethrough price on
06-18-2026

$24.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Catback Exhaust System - B9 A4

ES#4904361 - IEEXCK8 - IE Catback Exhaust System - B9 A4 - Features high-flow 2.5" piping, 90mm twin exhaust tips, and iE's DroneTrap technology - Integrated Engineering - Audi

Features high-flow 2.5" piping, 90mm twin exhaust tips, and iE's DroneTrap technology

Brand:
Integrated Engineering - Corporate Logo
ES#:
4904361
Mfg#:
IEEXCK8
Ships in 2 Business Days
$1649.99 USD
Free Shipping

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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings