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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Engine Intake Parts

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Stage 3 Boost Cooler DI Water Methanol Controller

ES#4001266 - SN0-60300 - Stage 3 Boost Cooler DI Water Methanol Controller - 2D Progressive Water Methanol Engagement (Boost / High Flow Fuel Pump 0-5V) - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2D Progressive Water Methanol Engagement (Boost / High Flow Fuel Pump 0-5V) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4001266
Mfg#:
SN0-60300
Ships in 3 Business Days
$416.99 USD
Free Shipping
on orders $49 and up

Water/Methanol Nozzle - 6GPH

ES#4361434 - SN0-N0600 - Water/Methanol Nozzle - 6GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4361434
Mfg#:
SN0-N0600
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Intake Filter

ES#588 - 332125 - Air Intake Filter - Drop-in performance filter - K&N - Audi Volkswagen

Drop-in performance filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
588
Mfg#:
332125
In Stock
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Mass Air Flow Sensor (MAF)

ES#2530063 - 037906461CX - Remanufactured Mass Air Flow Sensor (MAF) - Includes a $25 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes a $25 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-W-080001, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2530063
Mfg#:
037906461CX
Ships in 9 Business Days
$402.99

This product was last offered at the strikethrough price on
02-26-2026

$401.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DV Tuning Kit

ES#1832055 - FMDVTUN - DV Tuning Kit - Fine tune your Blow Off/Diverter Valve to the exact needs of your engine with this complete tuning kit. - Forge - Audi Volkswagen

Fine tune your Blow Off/Diverter Valve to the exact needs of your engine with this complete tuning kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
1832055
Mfg#:
FMDVTUN
Ships in 5 Business Days
ON SALE! SAVE 10%
$39.99

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

$35.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve

ES#4376432 - 1C0 906 517A - Purge Valve - Common cure for DTC P0441 - URO - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4376432
Mfg#:
1C0 906 517A
Ships in 2 Business Days
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Quick Connect Fitting

ES#4376613 - SN0-82082R - Snow Performance Quick Connect Fitting - 1/8NPT-1/4 - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1/8NPT-1/4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4376613
Mfg#:
SN0-82082R
Ships in 3 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor Connector Repair Kit

ES#3189499 - 645-924 - Mass Air Flow Sensor Connector Repair Kit - Contact housing for the MAF sensor - Dorman - Audi Volkswagen

Contact housing for the MAF sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM

Brand:
Dorman - Corporate Logo
ES#:
3189499
Mfg#:
645-924
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve Repair Kit

ES#3426986 - 1C0906517AKT - Purge Valve Repair Kit - Common cure for DTC P0441 - Includes clamps to replace factory one-time-use clamps - Assembled By ECS - Audi Volkswagen

Common cure for DTC P0441 - Includes clamps to replace factory one-time-use clamps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3426986
Mfg#:
1C0906517AKT
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 23%
$47.99

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

$36.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Three-Way Valve Housing

ES#2966835 - 034-101-3038 - Silicone Three-Way Valve Housing - 'T' shaped connection below the intake manifold - 034Motorsport - Audi Volkswagen

'T' shaped connection below the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2966835
Mfg#:
034-101-3038
In Stock
ON SALE! SAVE 10%
$24.00

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

$21.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#2631446 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe. 19mm - Vaico - Audi Volkswagen

Located on the turbo inlet pipe. 19mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Engine codes AEB & ATW

Brand:
Vaico - Corporate Logo
ES#:
2631446
Mfg#:
034129101B
In Stock
ON SALE!
$34.99

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

$33.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water-Methanol Solenoid Upgrade - 4AN Fittings

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#:
4715669
Mfg#:
40060-BRD
In Stock at Vendor
$73.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Methanol Injection Ring

Choose either V-band or hose camp style rings to add methanol injection easily to almost any vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4043246
Mfg#:
SN0-40111.40112
Ships in 2 Business Days
Starting at $0.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Mass Air Flow Sensor (MAF)

ES#2570246 - 06A906461LXKT - Remanufactured Mass Air Flow Sensor (MAF) - Includes a $25 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes a $25 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2570246
Mfg#:
06A906461LXKT
Ships in 9 Business Days
$358.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CDA - Carbon Dynamic Airbox

ES#3305542 - ACCDASP-05 - CDA - Carbon Dynamic Airbox - High performance carbon fiber intake made in Italy - BMC - Audi Volkswagen

High performance carbon fiber intake made in Italy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BMC - Corporate Logo
ES#:
3305542
Mfg#:
ACCDASP-05
Back Ordered
$358.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Nozzle Mounting adapter for hose

ES#2826223 - 40110 - Nozzle Mounting adapter for hose - 1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826223
Mfg#:
40110
In Stock
$31.99 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.

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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