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

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
affirm financing terms & conditions
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 Intake Parts

Sort By
Filter By
Return to Top

Audi & VW Direct Injection Head Port Cleaning Tool

ES#4000805 - 034-108-Z054 - Audi & VW Direct Injection Head Port Cleaning Tool - Makes short and easy work of walnut blasting your intake ports and valves! Works with most universal walnut blasters. - 034Motorsport - Audi Volkswagen

Makes short and easy work of walnut blasting your intake ports and valves! Works with most universal walnut blasters. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4000805
Mfg#:
034-108-Z054
In Stock
ON SALE! SAVE 10%
$67.00

This product was last offered at the strikethrough price on
06-28-2026

$60.30 USD
Free Shipping

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4500832
Mfg#:
034-108-1051
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$833.00

This product was last offered at the strikethrough price on
06-28-2026

$749.70 USD
Free Shipping
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" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

$79.95 USD
Free Shipping
on orders $49 and up

Intake Manifold Flap Position Sensor

ES#4876884 - 06K907386D - Intake Manifold Flap Position Sensor - Relays the position of the manifold flap to the ECU - Bremmen Parts - Audi Volkswagen

Relays the position of the manifold flap to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4876884
Mfg#:
06K907386D
In Stock
ON SALE! SAVE 21%
$65.99

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

$52.22 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
For vehicles that already have an IE intake

Brand:
Integrated Engineering - Corporate Logo
ES#:
4465497
Mfg#:
IEINUU2
In Stock
ON SALE! SAVE 10%
$76.99

This product was last offered at the strikethrough price on
06-25-2026

$69.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

ES#3086929 - 8W0133843C - Air Filter - Keep clean air running through your engine - Genuine Volkswagen Audi - Audi

Keep clean air running through your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3086929
Mfg#:
8W0133843C
In Stock
8% off MSRP

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

$43.49

This product was last offered at the strikethrough price on
07-03-2026

$39.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forge Electronic Recirculating Diverter Valve (E-DV) - Audi B9 A4 2.0T / S4 3.0T / VW MK8 2.0T

ES#5375296 - FMEDV106R - Forge Electronic Recirculating Diverter Valve (E-DV) - Audi B9 A4 2.0T / S4 3.0T / VW MK8 2.0T - Next generation electronically actuated diverter valve engineered for modern turbo engines with a true plug-and-play design! - Forge - Audi Volkswagen

Next generation electronically actuated diverter valve engineered for modern turbo engines with a true plug-and-play design! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from the 2021 model year only.

Brand:
Forge - Corporate Logo
ES#:
5375296
Mfg#:
FMEDV106R
Ships in 3 Business Days
ON SALE! SAVE 10%
$379.99

This product was last offered at the strikethrough price on
07-01-2026

$341.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2 Progressive Water/Methanol Injection Kit

ES#4350144 - 20010-BRD - Boost Cooler Stage 2 Progressive Water/Methanol Injection Kit - Engine mounted, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Engine mounted, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4350144
Mfg#:
20010-BRD
In Stock at Vendor
$625.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro-Line Diesel Intake System Cleaner - 400mL

ES#3514639 - 20208KT - Pro-Line Diesel Intake System Cleaner - 400mL - Clean your intake duct without removing it - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Clean your intake duct without removing it affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Ground ship only in the contiguous U.S.

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514639
Mfg#:
20208KT
In Stock
$16.25 USD
Free Shipping
on orders $49 and up

Boost Cooler Stage 2.5 Progressive Water-Methanol Injection Kit

ES#4431148 - SN0-211-BRD - Boost Cooler Stage 2.5 Progressive Water-Methanol Injection Kit - Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4431148
Mfg#:
SN0-211-BRD
In Stock at Vendor
$909.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic 3" Air Filter (Gen 1)

ES#4362289 - UH003-IN4 - Unitronic 3" Air Filter (Gen 1) - Unitronic - Audi Volkswagen

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4362289
Mfg#:
UH003-IN4
Ships in 1-2 days
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AEM V3 Water/Methanol Injector Kit (Qty 2)

ES#4307641 - 30-3313 - AEM V3 Water/Methanol Injector Kit (Qty 2) - Swappable swirl generators for 250/500/1000cc configurations! - AEM Electronics - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Swappable swirl generators for 250/500/1000cc configurations! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics - Corporate Logo
ES#:
4307641
Mfg#:
30-3313
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.

$129.99

This product was last offered at the strikethrough price on
07-03-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Atmospheric Diverter Valve Spacer - Gold

ES#5457770 - 025254ECS01-05 - Atmospheric Diverter Valve Spacer - Gold - Limited Edition - Individually Numbered - ECS - Audi Volkswagen

Limited Edition - Individually Numbered affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits models with OEM DV part numbers 06H145710J, 06H145710C, 06H145710E. Please verify before ordering.

Brand:
ECS - Corporate Logo
ES#:
5457770
Mfg#:
025254ECS01-05
In Stock
Limited Qty Sale
$84.99

This product was last offered at the strikethrough price on
07-02-2026

$65.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Atmospheric Diverter Valve Spacer - Blue

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

Limited Edition - Individually Numbered affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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
Limited Qty Sale
$84.99

This product was last offered at the strikethrough price on
07-02-2026

$65.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water-Methanol Solenoid Upgrade - Quick-Connect Fittings

ES#4147674 - SN0-40060 - High Flow Water-Methanol Solenoid Upgrade - Quick-Connect Fittings - Robust protection for your WMI installation to ensure peace of mind - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Robust protection for your WMI installation to ensure peace of mind affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147674
Mfg#:
SN0-40060
In Stock
$73.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Air Filter, Conical, 0.75" Inlet

ES#4858334 - 034-108-B018 - Performance Air Filter, Conical, 0.75" Inlet - Perfect fit performance Air Filter for SAI equipped cars, breathers, and more! - 034Motorsport - Audi Volkswagen

Perfect fit performance Air Filter for SAI equipped cars, breathers, and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858334
Mfg#:
034-108-B018
In Stock
ON SALE! SAVE 10%
$31.00

This product was last offered at the strikethrough price on
06-28-2026

$27.90 USD
Free Shipping

More About Engine Intake Parts

All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.

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