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Portable Turbocharger Boost Control Valve 20mm B5.5 Passat/golf/audi A4 1.8t (kayser) Accessory [fTMbvI8B]

$20.99 $67.99 -69%

Turbocharger Boost Control Valve or AKA Engine Crankcase Pressure Regulator Valve.  Made by KayserFits 20mm Hose size: 02 1.8T Golf, B5.5 Passat 1.8T 03-05 and Audi A4 including Quattro 1.8T 01-03

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Turbocharger Boost Control Valve or AKA Engine Crankcase Pressure Regulator Valve.  Made by Kayser

Fits 20mm Hose size: 02 1.8T Golf, B5.5 Passat 1.8T 03-05 and Audi A4 including Quattro 1.8T 01-03

What Our Customers Say

January 2, 2026

Absolutely no complaints!

High quality. And very functional.

- Lilith N..

January 2, 2026

Absolutely no complaints!

A very well-executed product design.

- Elijah Y..

January 2, 2026

Absolutely no complaints!

This is a very, very nice product.

- Marina K..

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