Oil Filter 

Key Features:

• Anti-Drain-Back Valve
• Engineered with premium grade materials that will excel in the extreme marine environment
• Epoxy coated for corrosion resistance
• Heavy-wall steel canister for further corrosion protection
• High-efficiency filter media that meets or exceeds the OE's filtration
• Backed by Sierra's industry leading warranty
• Valve eliminates dry starts, prevents oil from draining back into crankcase during engine shutdown

Additional Details:

• Thread Spec: 1" X 12 or 25.4mm x 304.8mm NPT

Interchanges/Replaces

Fram

• PH3306A

Mallory

• 9-57905
• 9-57909

Volvo Penta

• 423135
• 4785974