872565 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta o-ring from the Marine Propulsion group, listed for 11 applications across the D and DPI series. It is also supplied within piston ring kit 3812359, and the piston ring on the same 11 applications is 872563.

🚤 Compatibility

Typically suits:

• Volvo Penta D6-300A-G
• Volvo Penta D6-340A-G
• Volvo Penta D6-380A-G
• Volvo Penta DPI-A
• Volvo Penta D6-400A-G
• Volvo Penta D6-440A-G
• Volvo Penta D4-150A-G
• Volvo Penta D4-230A-G
• Volvo Penta D4-270A-G
• Volvo Penta D4-320A-G
• Volvo Penta D4-300A-G

• Engine Family: D, DPI
• HP Range: 150-440 HP

⚙️ Key Features

• Also supplied in piston ring kit 3812359
• Listed for 11 applications across the D and DPI series
• Used alongside piston ring 872563
• 2 used per assembly

📋 Kit Contents

• Included in piston ring kit 3812359.

🔌 Function

Seals a static or slow-moving joint by being squeezed into its groove, closing the gap against pressure.

⚠️ Common Signs of Failure

• Weeping or seepage at the joint it seals
• Pressure not holding when the system stands
• Old ring found flattened, hardened or nibbled at the edge
• Groove or sealing face scored or corroded

🛠️ Service Notes

• Piston ring kit 3812359 already contains this o-ring if you are fitting the kit
• Lubricate the ring before assembly so it is not cut or rolled as it enters its bore

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging