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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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Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line

ES#4144931 - SN0-310 - Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen MINI

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle

Brand:
SnowPerformance - Corporate Logo
ES#:
4144931
Mfg#:
SN0-310
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up

BMS DDP5800 Water/Methanol Injection Pump

ES#4714532 - BMSDDP5800 - BMS DDP5800 Water/Methanol Injection Pump - 200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings. - Burger Motorsports - Audi BMW Volkswagen MINI

200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714532
Mfg#:
BMSDDP5800
In Stock
Starting at $120.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3in. To 3.5in. Silicone Transition Coupler - Black

ES#4752879 - MMCP-3035B - 3in. To 3.5in. Silicone Transition Coupler - Black - High-quality silicone transition coupler for use with air intakes, intercooler piping, and more! - Mishimoto - Audi BMW Volkswagen MINI

High-quality silicone transition coupler for use with air intakes, intercooler piping, and more!

Brand:
Mishimoto - Corporate Logo
ES#:
4752879
Mfg#:
MMCP-3035B
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#259718 - N90687001 - Spring Clamp - Priced Each - Install new hardware with your new parts. 27x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 27x12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259718
Mfg#:
N90687001
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Boost Tap Kit

ES#3221034 - 019935ECS01 - Billet Boost Tap Kit - Taps in between manifold vacuum line to create a boost reference source - Includes clamps - ECS - Audi Volkswagen

Taps in between manifold vacuum line to create a boost reference source - Includes clamps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3221034
Mfg#:
019935ECS01
In Stock
Limited Qty Sale
$47.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#4145022 - 06B905379D - Air Temperature Sensor - Mounted on the intake manifold - Hella - Audi Volkswagen

Mounted on the intake manifold

Brand:
Hella - Corporate Logo
ES#:
4145022
Mfg#:
06B905379D
In Stock
$37.99

This product was last offered at the strikethrough price on
03-23-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2.5 Progressive Water/Methanol Injection Kit - no tank

Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Stainless Steel Braided Line, 4AN Fittings, no tank included!

Brand:
SnowPerformance - Corporate Logo
ES#:
4608739
Mfg#:
SN0-210-BRD-T
In Stock at Vendor
$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#467364 - N10080105 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x25 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x25 Secures the intake manifold to the cylinder head.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467364
Mfg#:
N10080105
In Stock
3% off MSRP

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

$3.38

This product was last offered at the strikethrough price on
08-01-2026

$3.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

V2 Water/Methanol Standard Controller - Internal MAP W/35PSI Max

ES#3691401 - 30-3304 - V2 Water/Methanol Standard Controller - Internal MAP W/35PSI Max - A progressive type controller where fluid will be injected in proportion to the amount of boost that is detected by the internal MAP sensor - Controller only - AEM Electronics - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A progressive type controller where fluid will be injected in proportion to the amount of boost that is detected by the internal MAP sensor - Controller only Controller only - Does not include addtional components

Brand:
AEM Electronics - Corporate Logo
ES#:
3691401
Mfg#:
30-3304
In Stock at Vendor
11% off MSRP

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

$247.99

This product was last offered at the strikethrough price on
08-01-2026

$219.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water Methanol Check Valve

ES#3988118 - Sn0-8cv-qc - High Flow Water Methanol Check Valve - 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#:
3988118
Mfg#:
SN0-8CV-QC
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter (Bypass) Valve OEM 710N

ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves.

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
Ships in 2 Business Days
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

710N Diverter Valve - Priced Each

ES#2813017 - 06A145710N - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines - Hamburg Tech - Audi Volkswagen

A great upgrade for stock to mildly tuned engines We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813017
Mfg#:
06A145710N
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
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
In Stock at Vendor
$91.99

This product was last offered at the strikethrough price on
02-20-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve

ES#4714530 - BMSWMITC - BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve - The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! - Burger Motorsports - Audi BMW Volkswagen MINI Porsche

The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out!

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714530
Mfg#:
BMSWMITC
In Stock
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Injection Kit - Multi Input

ES#2972925 - 30-3350 - Water/Methanol Injection Kit - Multi Input - Increase power and efficiency while decreasing combustion temperatures - AEM Electronics - Audi BMW Volkswagen MINI

Increase power and efficiency while decreasing combustion temperatures For Naturally Aspirated Engines

Brand:
AEM Electronics - Corporate Logo
ES#:
2972925
Mfg#:
30-3350
In Stock at Vendor
11% off MSRP

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

$658.99

This product was last offered at the strikethrough price on
08-01-2026

$584.99 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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