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Audi B5 A4 FWD 1.8T

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Audi B5 A4 FWD 1.8T Engine Intake Parts

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Diverter Valve

ES#3537200 - 06A145710P - Diverter Valve - Cure the boost leak and restore power - Hamburg Tech - Audi Volkswagen

Cure the boost leak and restore power We Price Match - Give Us A Call or Chat!
From VIN 8D-X-200001, split is in the 1999 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
3537200
Mfg#:
06A145710P
Ships in 2 Business Days
$33.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket

ES#2702722 - 058129717B - 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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Engine code AEB

Brand:
Elring - Corporate Logo
ES#:
2702722
Mfg#:
058129717B
In Stock at Vendor
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ITG Drop-In Profilter

ES#4030747 - 15WB-447 - ITG Drop-In Profilter - High grade drop-in filter for your Audi, designed for road or competition use - ITG Air Filters - Audi BMW Volkswagen

High grade drop-in filter for your Audi, designed for road or competition use

Brand:
ITG Air Filters - Corporate Logo
ES#:
4030747
Mfg#:
15WB-447
Ships in 3 Business Days
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Optional Blue Spring R1 DV For 23-30 PSI. (Blue Springs Are Only Needed For Stage 3 Or Higher.)

ES#3021167 - Z1001791 - Optional Blue Spring R1 DV For 23-30 PSI. (Blue Springs Are Only Needed For Stage 3 Or Higher.) - DV100001 optional blue spring for 23-30 psi - APR - Audi Volkswagen

DV100001 optional blue spring for 23-30 psi Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3021167
Mfg#:
Z1001791
Ships in 5 Business 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.

$35.99

This product was last offered at the strikethrough price on
07-20-2026

$31.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Check Valve Replacement Kit

ES#2823247 - 058905291KKT - Check Valve Replacement Kit - Restore engine performance - Assembled By ECS - Audi

Restore engine performance 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2823247
Mfg#:
058905291KKT
In Stock
ON SALE! SAVE 30%
$14.99

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

$10.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#4505142 - 058103221E - Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - URO - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Engine codes AWM & ATW. Engine code AEB with automatic transmissions

Brand:
URO - Corporate Logo
ES#:
4505142
Mfg#:
058103221E
Ships in 1 Business Day
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut - Priced Each

ES#465860 - N01100636 - Hex Nut - Priced Each - Install new hardware with your new parts. M6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6 Secures the intake manifold to the cylinder head studs.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465860
Mfg#:
N01100636
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve

ES#6114 - 0280142300sj - Purge Valve - Common cure for DTC P0441 - Bosch - Audi Volkswagen

Common cure for DTC P0441 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
6114
Mfg#:
0280142300SJ
In Stock at Vendor
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Elbow Connector

ES#277644 - 058133394D - Elbow Connector - Connects the check valve to the intake manifold - Genuine Volkswagen Audi - Audi

Connects the check valve to the intake manifold Engine codes ATW & AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277644
Mfg#:
058133394D
In Stock
ON SALE! SAVE 23%
$12.99

This product was last offered at the strikethrough price on
04-17-2026

$9.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower PCV Bleeder Valve Upgrade Kit

ES#5482584 - 06a103247KT7 - Lower PCV Bleeder Valve Upgrade Kit - Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle. - Assembled By ECS - Audi Volkswagen

Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5482584
Mfg#:
06A103247KT7
Ships in 2 Business Days
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#468545 - N10582103 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x40 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x40 Engine code AEB. Secures the throttle body to the intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468545
Mfg#:
N10582103
In Stock
25% off MSRP

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

$1.32

This product was last offered at the strikethrough price on
07-20-2026

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#3437197 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Rein - Audi Volkswagen

'T' shaped connection below the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3437197
Mfg#:
06A103247
Ships in 2 Business Days
$7.20

This product was last offered at the strikethrough price on
03-09-2026

$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#4810748 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Rein - Audi Volkswagen

Located on the intake hose leading to the turbo inlet 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Rein - Corporate Logo
ES#:
4810748
Mfg#:
06A129101D
Ships in 10 Business Days
Auto Notify
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Price Each

ES#465707 - N01024016 - Hex Bolt - Price Each - Install new hardware with your new parts. M8x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x20 Secures the support bar to the intake manifold and engine block.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465707
Mfg#:
N01024016
In Stock
28% off MSRP

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

$2.78

This product was last offered at the strikethrough price on
07-20-2026

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve - Priced Each

ES#3022 - 058905291K - Check Valve - Priced Each - Used in multiple locations in vacuum system - Genuine Volkswagen Audi - Audi Volkswagen

Used in multiple locations in vacuum system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3022
Mfg#:
058905291K
Ships in 1-2 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.

$58.99

This product was last offered at the strikethrough price on
07-20-2026

$52.99 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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