PrecisionGeek® Stainless Steel 303 Flange Banjo Bolt M12 x 1.50mm 24mm – Turbo Oil Feed 2mm Restrictor for Astra Zafira GSI/VXR K03 K04, CNC Machined, EU Made, Includes 2 Copper Crush Washers

🔩 Turbo Oil Feed 2mm Restrictor Flange Banjo Bolt — precision CNC machined M12 x 1.50mm flanged banjo bolt with a 2mm flow restriction. Commonly used to replace the OEM oil feed restrictor on K03/K04 turbo Vauxhall/Opel Astra, Zafira GSI/VXR (Z20LET) oil feed lines, and compatible with other applications using the same thread, length and restriction specification.

⚠️ This is a dimensional/spec match, not a vehicle-specific part number. Please compare the thread (M12 x 1.50mm), length (24mm excl. head) and restriction (2mm) against your original bolt before ordering. This bolt does not carry an OEM/manufacturer part number and is not guaranteed to match every factory variant.

📋 Specifications

• Quantity: 1x Banjo Bolt + 2x copper crush washers
• Thread size: M12 x 1.50mm pitch
• Length (excluding head): 24 mm
• Flow restriction: 2 mm
• Head: Flanged head
• Material: Stainless Steel 303
• Finish: Precision CNC Machined
• Country of manufacture: Poland

🎵 Typical Application

Frequently used on K03/K04 turbo Vauxhall/Opel Astra and Zafira GSI/VXR (Z20LET) oil feed lines to restrict oil flow and reduce turbo rear seal failure / blue smoke on idle. Also suitable for any application requiring an M12 x 1.50mm, 24mm, 2mm-restriction flanged banjo bolt.

🛡️ Note

Always verify dimensions against your original part before purchase. Fitted with new copper crush washers for a secure, leak-free seal.