GFB 6705 replacement gasket

GFB Gasket Suits T9003, T9503 – Replacement Blow‑Off/Diverter Valve Gasket (Part #6705)

Optimize the sealing performance of your GFB blow‑off or diverter valve with this genuine GFB 6705 replacement gasket — designed to fit older style GFB valves that use flanged gaskets rather than O‑rings.

🔍 Product Description

The GFB 6705 gasket is a precise spare part for GFB blow‑off valves (BOVs) and diverter valves with T9003 and T9503 style inlet flanges. It acts as a seal between mating surfaces to prevent boost leaks and maintain proper pressure handling.

🛠️ Key Features

• OEM‑Compatible Replacement: Specifically made to suit GFB models T9003 and T9503, which were originally supplied with gaskets rather than flange O‑rings.
• Sealing Function: Helps maintain airtight integrity at the valve inlet, crucial for preventing vacuum or boost leaks in turbocharged systems.
• Straightforward Installation: Easy to install during routine maintenance, valve service, or BOV rebuilds.
• Compact & Lightweight: Small form factor (approx. 3 × 7.5 × 15 cm package) and lightweight (~0.1 kg), ideal for simple part swaps.

🚗 Application & Fitment

This gasket suits older GFB blow‑off/diverter valves with traditional gasket flanges — particularly the T9003 and T9503 models often found in Subaru performance applications.

📌 Usage Tip

Check your specific valve’s flange design before installing — if your GFB valve already has a built‑in O‑ring at the flange, a separate gasket may not be necessary.