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Volkswagen Passat B5 4 Motion 1.8T

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Volkswagen Passat B5 4 Motion 1.8T Engine Intake Parts

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Universal Pro Dry S Air Filter - White

ES#518390 - 21-45505 - Universal Pro Dry S Air Filter - White - Replacement filter with 4.5"inlet, 6"base, 4.75"top, and 5"height - AFE - Volkswagen

Replacement filter with 4.5"inlet, 6"base, 4.75"top, and 5"height

Brand:
AFE - Corporate Logo
ES#:
518390
Mfg#:
21-45505
In Stock
ON SALE! SAVE 26%
$76.00

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

$56.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Pro dry S Air Filter - white

ES#518380 - 21-35010 - Universal Pro dry S Air Filter - white - Replacement filter with 3.5" inlet, 6"base, 4.75" top, 6" height - AFE - Volkswagen

Replacement filter with 3.5" inlet, 6"base, 4.75" top, 6" height

Brand:
AFE - Corporate Logo
ES#:
518380
Mfg#:
21-35010
In Stock
ON SALE! SAVE 15%
$76.00

This product was last offered at the strikethrough price on
09-01-2026

$64.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 4 GPH

ES#4476205 - SN0-N0400 - Water/Methanol Nozzle - 4 GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4476205
Mfg#:
SN0-N0400
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 3GPH

ES#4492417 - SN0-N0300 - Water/Methanol Nozzle - 3GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4492417
Mfg#:
SN0-N0300
Ships on Sep 21, 2026
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor Adapter Flange

ES#3137484 - 034-145-F015 - MAP Sensor Adapter Flange - MAP Sensor adapter flange for VW/Audi MAP sensors - Perfect for use when building your own intercooler plumbing - 034Motorsport - Audi Volkswagen

MAP Sensor adapter flange for VW/Audi MAP sensors - Perfect for use when building your own intercooler plumbing 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3137484
Mfg#:
034-145-F015
In Stock
ON SALE! SAVE 10%
$42.00

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

$37.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Pro 5R Air Filter - Blue (oiled)

ES#518459 - 24-30003 - Universal Pro 5R Air Filter - Blue (oiled) - Replacement filter with 3.0"inlet, 5"base, 3.5"top, and 7"height - AFE - Volkswagen

Replacement filter with 3.0"inlet, 5"base, 3.5"top, and 7"height

Brand:
AFE - Corporate Logo
ES#:
518459
Mfg#:
24-30003
In Stock
ON SALE! SAVE 25%
$70.00

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

$52.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Charge Pipe O-Ring - Priced Each

ES#343036 - 3C0145117F - Charge Pipe O-Ring - Priced Each - Found between the turbo outlet pipe and intercooler hose. 57.85mm - Genuine Volkswagen Audi - Audi Volkswagen

Found between the turbo outlet pipe and intercooler hose. 57.85mm For vehicles with AWM engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
343036
Mfg#:
3C0145117F
In Stock
16% off MSRP

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

$18.99

This product was last offered at the strikethrough price on
07-23-2026

$15.99 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.

Brand:
SnowPerformance - Corporate Logo
ES#:
4043246
Mfg#:
SN0-40111.40112
Ships in 1 Business Day
Starting at $0.00 USD
Customize
Free Shipping
on orders $49 and up
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.

Brand:
Forge - Corporate Logo
ES#:
1832055
Mfg#:
FMDVTUN
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$39.99

This product was last offered at the strikethrough price on
08-29-2026

$35.91 USD
Free Shipping
on orders $49 and up
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

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

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 For vehicles with AWM engine code only, with VIN up to 3B-2-100 000, split is in the 2002 model year.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2570246
Mfg#:
06A906461LXKT
Ships in 6 Business Days
$358.99

This product was last offered at the strikethrough price on
08-31-2026

$357.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#279558 - 06A145710P - Diverter Valve - Cure the boost leak and restore power - Genuine Volkswagen Audi - Audi Volkswagen

Cure the boost leak and restore power

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279558
Mfg#:
06A145710P
Ships in 5 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.

$183.99

This product was last offered at the strikethrough price on
09-02-2026

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Gen-V Race Port BOV - Blue

ES#4007245 - TS-0204-1131 - Turbosmart Gen-V Race Port BOV - Blue - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines *General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007245
Mfg#:
TS-0204-1131
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Pro Dry S Air Filter - White

ES#518374 - 21-30003 - Universal Pro Dry S Air Filter - White - Replacement filter with 3"inlet, 5"base, 3.5"top, and 7"height - AFE - Volkswagen

Replacement filter with 3"inlet, 5"base, 3.5"top, and 7"height

Brand:
AFE - Corporate Logo
ES#:
518374
Mfg#:
21-30003
Ships in 3 Business Days
ON SALE! SAVE 15%
$76.00

This product was last offered at the strikethrough price on
09-01-2026

$64.60 USD
Free Shipping
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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