23587198 Flange | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta flange from the marine propulsion group, providing the bolted connection interface between two driveline components. It supersedes part number 3582123 and is fitted to D-series engines and HS-series transmissions. Flange condition governs driveline concentricity and how cleanly torque is transmitted.

🚤 Compatibility

Typically suits:

• Volvo Penta D4-175I-G
• Volvo Penta D4-230I-G
• Volvo Penta D4-270I-G
• Volvo Penta D4-320I-G
• Volvo Penta D4-300I-G
• Volvo Penta D6-300I-G
• Volvo Penta HS68A-A
• Volvo Penta D4-145I-G
• Volvo Penta D4-175 VG

• Engine Family: D, HS
• HP Range: 145-320 HP

⚙️ Key Features

• OEM Volvo Penta part number 23587198
• Supersedes part 3582123
• System group: Marine Propulsion
• Net weight: 1.866 kg
• Fits D-series engines and HS-series transmissions

🔌 Function

The flange bolts two driveline components together, transmitting torque across the joint while holding them concentric and correctly spaced. Its machined register and face runout determine whether the driveline runs true.

⚠️ Common Signs of Failure

• Driveline vibration, particularly rising with shaft speed
• Elongated, worn or damaged bolt holes
• Face runout or a damaged spigot register causing misalignment
• Fretting, scoring or corrosion on the mating faces
• Bolts repeatedly loosening or shearing

🛠️ Service Notes

• Clean both mating faces back to clean metal and check them for flatness and for burrs or old gasket left in the sealing area; a face pulled up around a stud hole will not seal however hard it is tightened
• Always fit a new gasket, seal or O-ring where the joint uses one, and only use a jointing compound if the workshop manual for your engine calls for one at that joint
• Draw the fasteners up evenly in stages, working across the flange rather than round it, and finish to the tightening sequence and figures given for your engine
• Inspect studs, nuts and threads while the joint is apart and renew anything corroded, stretched or seized — exhaust-side fasteners rarely come out twice
• Re-check the joint for leaks once the engine has been up to working temperature and cooled again

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 23587198 → Supersedes 3582123

OEM / Related Numbers

• 3582123 earlier number superseded by this part

📦 Condition

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