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Audi A4 Engine Intake Parts

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Kohlefaser Luft-Technik Intake System Reflect-A-Gold Kit

ES#3221001 - 020870ecs01KT - Kohlefaser Luft-Technik Intake System Reflect-A-Gold Kit - Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System - ECS - Audi

Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

For use with the B9 ECS Tuning Kohlefaser Luft-Technik Intake System only

Brand:
ECS - Corporate Logo
ES#:
3221001
Mfg#:
020870ECS01KT
Ships on Jul 31, 2026
Auto Notify
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3570086 - 06C103245 - Pressure Control Valve (PCV) - Keep your engine running correctly - URO - Audi

Keep your engine running correctly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3570086
Mfg#:
06C103245
Ships in 1 Business Day
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose - With PCV Valve

ES#3188721 - 46067 - Crankcase Breather Hose - With PCV Valve - Large breather hose that runs around the intake manifold - Dorman - Audi Volkswagen

Large breather hose that runs around the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3188721
Mfg#:
46067
Ships in 4 Business Days
$43.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Reflect-A-Gold Sheet - 12" X 24"

ES#2568511 - 010392 - Reflect-A-Gold Sheet - 12" X 24" - Control heat and dress up your engine bay - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Control heat and dress up your engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
2568511
Mfg#:
010392
Special Order: No Guaranteed ETA
$58.99

This product was last offered at the strikethrough price on
03-18-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Nozzle Holder Straight (Rectangle Style)

ES#4642625 - SN0-900 - Nozzle Holder Straight (Rectangle Style) - Stylish nozzle holders for your WMI setup - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stylish nozzle holders for your WMI setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4642625
Mfg#:
SN0-900
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Gasket

ES#3477503 - 06E133073A - Throttle Body Gasket - Located between the throttle body and intake manifold - Elwis - Audi

Located between the throttle body and intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elwis - Corporate Logo
ES#:
3477503
Mfg#:
06E133073A
In Stock at Vendor
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose - With PCV Valve

Large breather hose that runs around the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3234870
Mfg#:
078103224R
Ships on Jul 2, 2026
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#3437197 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Rein - Audi Volkswagen

'T' shaped connection below the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to Vin#3 040000, split is in model year 2003

Brand:
Rein - Corporate Logo
ES#:
3437197
Mfg#:
06A103247
In Stock
$7.20

This product was last offered at the strikethrough price on
03-09-2026

$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#6131 - 058133784a - Breather Hose - Connects the purge valve to check valve - Genuine Volkswagen Audi - Audi Volkswagen

Connects the purge valve to check valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6131
Mfg#:
058133784A
Ships in 8 Business Days
11% off MSRP

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

$46.99

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

ES#3477506 - 06C133843 - Air Filter - Keep clean air running through your engine - Mahle - Audi

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

Brand:
Mahle - Corporate Logo
ES#:
3477506
Mfg#:
06C133843
In Stock at Vendor
$20.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Super Atomizing Water/Methanol Injection Nozzles

ES#4714568 - BMS.SA.WMI.NOZ - Super Atomizing Water/Methanol Injection Nozzles - With CNC machined serviceable/cleanable nozzle inserts for precise fluid metering. Choose single or dual nozzles and match the flow rate to your power needs! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

With CNC machined serviceable/cleanable nozzle inserts for precise fluid metering. Choose single or dual nozzles and match the flow rate to your power needs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714568
Mfg#:
BMS.SA.WMI.NOZ
Ships on Jul 14, 2026
Starting at $40.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Tube

ES#3188720 - 46066 - Crankcase Breather Tube - Connects the breather assembly to the three-way valve housing - Dorman - Audi Volkswagen

Connects the breather assembly to the three-way valve housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes AEB & ATW

Brand:
Dorman - Corporate Logo
ES#:
3188720
Mfg#:
46066
Ships in 4 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#251163 - 1J0973722A - 2 Pin Connector - Black connector for various locations - Genuine Volkswagen Audi - Audi Volkswagen

Black connector for various locations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251163
Mfg#:
1J0973722A
Ships in 2 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.

$42.99

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reflect-A-Gold Roll - 1.5" X 15

ES#2568512 - 010394 - Reflect-A-Gold Roll - 1.5" X 15 - Control heat and dress up your engine bay - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Control heat and dress up your engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
2568512
Mfg#:
010394
Special Order: No Guaranteed ETA
7% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
03-18-2026

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut (4.8x16.5x11) - Priced Each

ES#466588 - N0154374 - Speed Nut (4.8x16.5x11) - Priced Each - Used to secure various plastic pieces - Genuine Volkswagen Audi - Audi

Used to secure various plastic pieces affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to mount the intake cowl to the air box

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466588
Mfg#:
N0154374
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Intercooler Hose - Right

ES#3463374 - 8E0145708K - Upper Intercooler Hose - Right - Upper pressure hose connects the right intercooler to the turbocharger - Hudson - Audi

Upper pressure hose connects the right intercooler to the turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits vehicles up to VIN 8E-7-803 500 - Split is in the 2007 model year

Brand:
Hudson - Corporate Logo
ES#:
3463374
Mfg#:
8E0145708K
Ships in 1-2 days
$39.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

Let us help you find the parts that fit your Audi

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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