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Audi B5 A4 1.8T | Forge Motorsport Components

If you know turbos, you know Forge. Specializing in the design and manufacturing of premium quality valves, coolers, and hoses, they are the go-to choice for discriminating motorists who demand consistent turbo performance and hassle-free durability.

Shop our list of turbo system accessories where you'll find parts and accessories designed to let you Forge ahead of the competition.


Forge Motorsport at your fingertips

Fits:
Audi B5 A4 1.8T (96-01)

Turbo Inlet Hose - Blue - (NO LONGER AVAILABLE)
Less restriction for a higher flow
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 1832359
Mfg#: FMA4B5INDB
No longer available
Turbo Inlet Hose - Red - (NO LONGER AVAILABLE)
Less restriction for a higher flow
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 1832360
Mfg#: FMA4B5INDR
No longer available
Turbo Inlet Hose - Black - (NO LONGER AVAILABLE)
Less restriction for a higher flow
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 1832358
Mfg#: FMA4B5IND
No longer available
008 Premium Diverter Valve - Anodized Black
Smaller, tougher and tuneable
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 2224448
Mfg#: FMDV008

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Availability:
In Stock
$264.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
008 Premium Diverter Valve - Matte Silver
Smaller, tougher and tuneable
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 2847752
Mfg#: FMDV008MS

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Availability:
Back Ordered
$180.00 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Blow Off Valve - Atmospheric
34mm weld on dual piston atmospheric blow off valve for custom installs
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 1832445
Mfg#: FMDVWO34C

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Availability:
Back Ordered
$216.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
DV Tuning Kit
Fine tune your Blow Off/Diverter Valve to the exact needs of your engine with this complete tuning kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 1832055
Mfg#: FMDVTUN

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Availability:
Ships in 4 Business Days
$39.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Splitter Valve - Black
Recirculation & blow off valve all in one for customers that want both styles
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 8288
Mfg#: FMDVSPLTR

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Availability:
Back Ordered
$310.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Splitter Valve - Polished
Recirculation & blow off valve all in one for customers that want both styles
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 1832064
Mfg#: FMDVSPLTRC

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Availability:
Back Ordered
$287.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
K03 Adjustable Wastegate Actuator
Increase boost in your engine with this new actuator
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 1832381
Mfg#: FMACVAG02

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Availability:
Ships on Jun 19, 2026
$277.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Wastegate Actuator Spring Tuning Kit
Fine tune your wastegate to the exact needs of your engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Forge - Corporate Logo
ES#: 1832543
Mfg#: FMPACTUN

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Availability:
Ships on Jul 15, 2026
$52.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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