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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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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
$39.99 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

Mass Air Flow Sensor (MAF)

ES#279787 - 06A906461D - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bosch - Audi Volkswagen

Restore fuel economy and performance We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
279787
Mfg#:
06A906461D
Ships in 1 Business Day
$347.33 USD
Free Shipping
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 7 Business Days
$358.99

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

$346.99 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 From VIN 8D-X-200001, split is in the 1999 model year

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

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

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

Intake Manifold Gasket

ES#2587635 - 058129717D - Intake Manifold Gasket - Ensure a proper seal to prevent or stop air leaks - Elring - Audi Volkswagen

Ensure a proper seal to prevent or stop air leaks 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Engine codes ATW & AWM

Brand:
Elring - Corporate Logo
ES#:
2587635
Mfg#:
058129717D
In Stock
$4.99

This product was last offered at the strikethrough price on
10-08-2026

$3.05 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 We Price Match - Give Us A Call or Chat!
Engine codes AEB & ATW

Brand:
Vaico - Corporate Logo
ES#:
2631446
Mfg#:
034129101B
Ships in 1-2 days
$34.99

This product was last offered at the strikethrough price on
09-29-2026

$31.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#2894839 - 06A906461D - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Vemo - Audi Volkswagen

Restore fuel economy and performance

Brand:
Vemo - Corporate Logo
ES#:
2894839
Mfg#:
06A906461D
Ships in 1 Business Day
$162.99

This product was last offered at the strikethrough price on
05-07-2026

$158.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance 7 Gallon Reservoir

ES#2826214 - 40016 - Snow Performance 7 Gallon Reservoir - incl. brackets/check valve/tubing - SnowPerformance - Audi BMW Volkswagen MINI

incl. brackets/check valve/tubing

Brand:
SnowPerformance - Corporate Logo
ES#:
2826214
Mfg#:
40016
In Stock at Vendor
$156.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Splitter Valve - Polished

ES#1832064 - FMDVSPLTRC - Splitter Valve - Polished - Recirculation & blow off valve all in one for customers that want both styles - Forge - Audi Volkswagen

Recirculation & blow off valve all in one for customers that want both styles

Brand:
Forge - Corporate Logo
ES#:
1832064
Mfg#:
FMDVSPLTRC
Back Ordered
$287.99 USD
Free Shipping
on orders $49 and up
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

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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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