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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Intake Parts

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Water/Methanol Nozzle - 14GPH

ES#4505337 - SN0-N1400 - Water/Methanol Nozzle - 14GPH - 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#:
4505337
Mfg#:
SN0-N1400
In Stock
Limited Qty Sale
$31.99

This product was last offered at the strikethrough price on
09-28-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Filter Oil & Cleaner Kit

ES#4830731 - vwr120000KT - Filter Oil & Cleaner Kit - The filter element deserves to be well looked after and be a part of your regular maintenance schedule. - Racingline - Audi Volkswagen

The filter element deserves to be well looked after and be a part of your regular maintenance schedule.

Brand:
Racingline - Corporate Logo
ES#:
4830731
Mfg#:
VWR120000KT
In Stock
ON SALE! SAVE 12%
$48.99

This product was last offered at the strikethrough price on
10-26-2026

$43.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Throttle Body Gasket

ES#271042 - 028129748 - Throttle Body Gasket - Seals the throttle body to the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Seals the throttle body to the intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
271042
Mfg#:
028129748
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.

$16.99

This product was last offered at the strikethrough price on
10-31-2026

$14.99 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

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

$341.99 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 4 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
09-30-2026

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

710N Diverter Valve - Priced Each

ES#2597708 - 06A145710N - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines - Vaico Q+ - Audi Volkswagen

A great upgrade for stock to mildly tuned engines

Brand:
Vaico Q+ - Corporate Logo
ES#:
2597708
Mfg#:
06A145710N
Ships in 1 Business Day
$67.99 USD
Free Shipping
on orders $49 and up
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

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
ON SALE! SAVE 10%
$39.99

This product was last offered at the strikethrough price on
10-26-2026

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

High Flow Water Methanol Check Valve (Nylon Line)

ES#3469706 - sn0-8cv - High Flow Water Methanol Check Valve (Nylon Line) - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen MINI

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.

Brand:
SnowPerformance - Corporate Logo
ES#:
3469706
Mfg#:
SN0-8CV
Ships in 6 Business Days
$31.99 USD
Free Shipping
on orders $49 and up

Air Temperature Sensor

ES#3628560 - 06B905379G - Air Temperature Sensor - Mounted on the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Mounted on the intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3628560
Mfg#:
06B905379G
Ships in 3 Business Days
10% off MSRP

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

$116.99

This product was last offered at the strikethrough price on
10-26-2026

$105.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Suction Pump

ES#4858142 - 034-101-2008 - Vacuum Suction Pump - Show your car some love and replace the suction pump back to it's factory functionality. - 034Motorsport - Audi Volkswagen

Show your car some love and replace the suction pump back to it's factory functionality. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858142
Mfg#:
034-101-2008
Ships in 2 Business Days
$57.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

NS Performance PowerGasket - Small Port

ES#1393 - NSPG18T - NS Performance PowerGasket - Small Port - Gaskets will deflect heat and reduce air intake temps - New South Performance - Audi Volkswagen

Gaskets will deflect heat and reduce air intake temps Up to the 2003 model year

Brand:
New South Performance - Corporate Logo
ES#:
1393
Mfg#:
NSPG18T
Back Ordered
$70.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water-Methanol Dual Nozzle Upgrade - Quick-Connect Fittings

ES#4147673 - SN0-40040 - Water-Methanol Dual Nozzle Upgrade - Quick-Connect Fittings - Install and additional water/methanol nozzle in any WMI system! - SnowPerformance - Audi BMW Volkswagen MINI Porsche

Install and additional water/methanol nozzle in any WMI system!

Brand:
SnowPerformance - Corporate Logo
ES#:
4147673
Mfg#:
SN0-40040
In Stock
Limited Qty Sale
$41.99

This product was last offered at the strikethrough price on
09-30-2026

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#4818408 - 035103245A - Pressure Control Valve (PCV) - (19mm) - Located under the intake manifold - Bremmen Parts - Audi Volkswagen

Located under the intake manifold 10X Entries Into Our F80 M3 Sweepstakes

Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818408
Mfg#:
035103245A
In Stock
ON SALE!
$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#4818431 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Bremmen Parts - Audi Volkswagen

Located on the intake hose leading to the turbo inlet 10X Entries Into Our F80 M3 Sweepstakes

Fits up to VIN 8E-3-500 000 - Split is in the 2003 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818431
Mfg#:
06A129101D
In Stock
ON SALE!
$9.59 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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