3861573 O-Ring | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta o-ring from the Marine Propulsion group, weighing 0.018 kg and listed for 18 applications across the DPH, D and DPR series. A second, much lighter o-ring on the same 18 applications is 3861578.

🚤 Compatibility

Typically suits:

• Volvo Penta DPH-D1
• Volvo Penta D6-330A-F
• Volvo Penta D6-370A-F
• Volvo Penta D4-260A-F
• Volvo Penta D4-300A-F
• Volvo Penta D6-300A-F
• Volvo Penta D4-225A-F
• Volvo Penta D6-300A-G
• Volvo Penta D6-340A-G
• Volvo Penta D6-380A-G
• Volvo Penta DPH-E
• Volvo Penta D6-400A-G
• Volvo Penta D6-400A-F
• Volvo Penta DPR-D
• Volvo Penta D4-150A-G
• Volvo Penta D4-230A-G
• Volvo Penta D4-270A-G
• Volvo Penta D4-300A-G

• Engine Family: DPH, D, DPR
• HP Range: 150-400 HP

⚙️ Key Features

• 0.018 kg
• 18 applications across the DPH, D and DPR series
• Larger of two o-rings on this set with 3861578
• Marine Propulsion group

🔌 Function

Seals the joint between two mating parts by being squeezed into its groove.

⚠️ Common Signs of Failure

• Water or oil found where it should not be inside the assembly
• Weep, drip or crusty residue at the joint
• Ring flattened, nicked or twisted in its groove
• Rubber hardened, cracked or gone glassy
• Ring extruded or nipped where it has been pinched on assembly

🛠️ Service Notes

• This is the heavier of the two o-rings on this set at 0.018 kg against the very light 3861578, so order by part number for the position
• Treat the o-ring as single use and check the groove and mating face for scoring before fitting

📦 Condition

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