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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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Intercooler Lower Hose

ES#3445064 - 8E0145834AL - Intercooler Lower Hose - Connects the lower intercooler port to the cross tube - Vaico - Audi

Connects the lower intercooler port to the cross tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3445064
Mfg#:
8E0145834AL
In Stock at Vendor
$89.99

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

$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Phillips Head Screw - Priced Each

ES#469270 - N90172004 - Phillips Head Screw - Priced Each - Install new hardware with your new parts. M5x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M5x22 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures MAF housing to airbox

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469270
Mfg#:
N90172004
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMC Performance Air Filter

ES#3195214 - FB279/01 - BMC Performance Air Filter - High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime - BMC - Audi

High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BMC - Corporate Logo
ES#:
3195214
Mfg#:
FB279/01
Back Ordered
$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Air Duct - Front

ES#436262 - 8E0129618H - Intake Air Duct - Front - Front air duct for the airbox - Genuine Volkswagen Audi - Audi

Front air duct for the airbox affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436262
Mfg#:
8E0129618H
Ships in 8 Business Days
9% off MSRP

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

$93.99

This product was last offered at the strikethrough price on
06-16-2026

$85.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cool-Cover Cold Air Intake Cover Kit

ES#263619 - 010417 - Cool-Cover Cold Air Intake Cover Kit - Keep your CAI from heat soaking with this thermal wrap kit, 36" X 14" - DEI - Audi BMW Volkswagen

Keep your CAI from heat soaking with this thermal wrap kit, 36" X 14" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
263619
Mfg#:
010417
Special Order: No Guaranteed ETA
5% off MSRP

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

$90.99

This product was last offered at the strikethrough price on
06-16-2026

$85.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Angled Breather Hose

ES#277662 - 058133784AF - Angled Breather Hose - Connects the check valve and the suction jet pipe - Genuine Volkswagen Audi - Audi

Connects the check valve and the suction jet pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277662
Mfg#:
058133784AF
Ships in 4 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.

$47.99

This product was last offered at the strikethrough price on
06-16-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

No-Toil Foam Filter Oil

ES#3546630 - nt0-aerosolKT - No-Toil Foam Filter Oil - For use with ITG foam filters - No T-oil - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For use with ITG foam filters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
No T-oil
ES#:
3546630
Mfg#:
NT0-AEROSOLKT
In Stock
$17.00

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

$16.99 USD
Free Shipping
on orders $49 and up

Hose Clamp - Priced Each

ES#468441 - N10544401 - Hose Clamp - Priced Each - Adjustable clamp used on various hoses in the intake system. 60-80x12 - Genuine Volkswagen Audi - Audi Volkswagen

Adjustable clamp used on various hoses in the intake system. 60-80x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468441
Mfg#:
N10544401
Ships in 1-2 days
11% 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
06-16-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#4818429 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Bremmen Parts - Audi Volkswagen

'T' shaped connection below the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Up to Vin#3 040000, split is in model year 2003

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818429
Mfg#:
06A103247
Ships on Oct 6, 2026
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ON SALE! SAVE 18%
$7.99

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

$6.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#258895 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

'T' shaped connection below the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to Vin#3 040000, split is in model year 2003

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258895
Mfg#:
06A103247
Ships in 1-2 days
9% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
06-16-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#3462921 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Kayser - Audi Volkswagen

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to VIN 8E-3-500 000 - Split is in the 2003 model year

Brand:
Kayser - Corporate Logo
ES#:
3462921
Mfg#:
06A129101D
Back Ordered
$41.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve

ES#257161 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Hudson - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
257161
Mfg#:
1C0906517A
Ships in 1-2 days
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forge Splitter Valve Blanking Cap - Alloy

ES#3419959 - FMSPLCAP - Forge Splitter Valve Blanking Cap - Alloy - Replace your lost blanking cap on your Forge Splitter valve (FMDVSPLTR and FMBSPLTR) - Forge - Audi Volkswagen

Replace your lost blanking cap on your Forge Splitter valve (FMDVSPLTR and FMBSPLTR) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3419959
Mfg#:
FMSPLCAP
Ships on Jul 10, 2026
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve - Priced Each

ES#4810701 - 058905291K - Check Valve - Priced Each - Rear position two required per vehicle - Rein - Audi Volkswagen

Rear position two required per vehicle 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:
Rein - Corporate Logo
ES#:
4810701
Mfg#:
058905291K
In Stock at Vendor
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Air Duct - Rear

ES#436260 - 8E0129617D - Intake Air Duct - Rear - Rear section of air duct - Genuine Volkswagen Audi - Audi

Rear section of air duct affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436260
Mfg#:
8E0129617D
Ships in 6 Business Days
18% off MSRP

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

$94.99

This product was last offered at the strikethrough price on
06-16-2026

$77.42 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Valve (06A133528D)

ES#2813015 - 06A133528D - Crankcase Vent Valve (06A133528D) - Repair vacuum system leaks - Hamburg Tech - Audi

Repair vacuum system leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813015
Mfg#:
06A133528D
Ships in 2 Business Days
$14.99 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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