901-03 Aluminium washer 3/8"-10 MM (EACH)

Speedflow 901-03 | 10mm (3/8") Aluminium Sealing Washer — Sold Individually

The Speedflow 901-03 is a precision-made 10mm (3/8") aluminium sealing washer — an essential consumable for any motorsport or performance automotive build running banjo bolt fittings, drain plugs, or ported components with 3/8" / M10 fasteners. Soft aluminium construction allows the washer to compress and conform to mating surfaces on tightening, creating a clean, reliable, leak-free seal without thread sealant or PTFE tape.

Why Choose the Speedflow 901-03?

• Soft aluminium construction — compresses to conform to mating surfaces for a positive, leak-free crush seal
• 10mm (3/8") internal diameter — suits M10 / 3/8" banjo bolts, drain plugs, and port fittings commonly found on engines, gearboxes, brake systems, and oil circuits
• No sealant required — aluminium crush washers seal on compression alone for a clean, professional result
• Single-use design — should be replaced each time the fitting is removed to ensure a fresh, reliable seal
• Ultralight at just 1g — negligible weight for a critical sealing component
• Sold individually — order the exact quantity needed for your build or service

Ideal Applications

M10 / 3/8" banjo bolt seals on brake callipers, clutch master cylinders, fuel system banjo fittings, oil drain plugs, turbocharger oil feed banjos, and any application requiring a 10mm aluminium crush washer.

Specifications

• Part Number: SF901-03
• Internal Diameter: 10mm (3/8")
• Material: Aluminium
• Type: Sealing / Crush Washer
• Weight: 1g
• Sold: Individually (each)

Stock held locally in Perth, WA — fast dispatch Australia-wide.