3851722 Flywheel Housing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta flywheel housing from the Engine group, weighing 4.536 kg and listed for 249 applications on DPX drives. It supersedes part number 857334.

🚤 Compatibility

• Engine Family: DPX

Full model list at the end of this description.

⚙️ Key Features

• 4.536 kg
• 249 applications on DPX
• Supersedes 857334
• Engine group

🔌 Function

Encloses the flywheel and forms the mounting face between the engine and the drive, holding the two in alignment.

⚠️ Common Signs of Failure

• Oil weeping from the housing joint or the rear seal area
• Cracks radiating from the mounting bolt holes
• Dowel holes or spigot worn, letting alignment drift
• Knocking or vibration from a drive that no longer sits square
• Corrosion or damage to the machined faces

🛠️ Service Notes

• Check the crankshaft rear seal and any spigot bearing while the housing is off
• At 4.536 kg it is a heavy casting, so support it during assembly to protect the machined face

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3851722 → Supersedes 857334

OEM / Related Numbers

• 857334 earlier number superseded by this part

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta 8.1Gi-B, 8.1Gi-BF, 8.1Gi-C, 8.1Gi-CF, 8.1GiC-J, 8.1GiC-JF, 8.1GiCE-JF, 8.1GiCE-J, 8.1GiCE-M, 8.1GiC-Q, 8.1Gi-D, 8.1Gi-DF, 8.1Gi-E, 8.1Gi-EF, 8.1GiE-JF, 8.1GiE-J, 8.1GiE-KF, 8.1GiE-K, 8.1GiE-M, 8.1GiE-MF, 8.1Gi-F, 8.1Gi-FF, 8.1Gi-G, 8.1Gi-GF, 8.1Gi-H, 8.1Gi-HF, 8.1Gi-J, 8.1Gi-JF, 8.1GSi-A, 8.1GXi-A, 8.1GXi-AF, 8.1GXi-B, 8.1GXi-BF, 8.1GXi-C, 8.1GXi-CF, 8.1GXi-D, 8.1GXi-DF, 8.1GXi-E, 8.1GXi-EF, 8.1GXiE-JF, 8.1GXiE-J, 8.1GXiE-K, 8.1GXiE-KF, 8.1GXiE-M, 8.1GXi-F, 8.1GXi-FF, 8.1GXi-G, 8.1GXi-GF, 8.1GXi-J, 8.1GXi-JF, 8.1IPSCE-JF, 8.1IPSCE-MF, 8.1IPSCE-P, 8.1IPSCE-Q, 8.1IPSE-JF, 8.1OSi-A, 8.1OSi-AF, 8.1OSi-B, 8.1OSi-BF, 8.1OSi-C, 8.1OSi-CF, 8.1OSi-D, 8.1OSi-DF, 8.1OSi-J, 8.1OSi-JF, 8.1OSiE-JF, 8.1OSiE-J, 5.7GXi-A, 5.7GXi-B, 5.7GXi-C, 5.7GXi-CF, 5.7GXiC-J, 5.7GXiC-JF, 5.7GXiCE-JF, 5.7GXiCE-J, 5.7GXiCE-M, 5.7GXi-D, 5.7GXi-DF, 5.7GXi-E, 5.7GXi-EF, 5.7GXi-J, 5.7GXi-JF, 5.7GXiE-JF, 5.7GXiE-KF, 5.7GXiE-K, 5.7GXiE-M, 5.7GXiE-MF, 5.7GXi-F, 5.7GXi-FF, 5.7OSXi-D, 5.7GXi-G, 5.7GXi-GF, 5.7GXi-H, 5.7GXi-HF, 5.7OSi-300-J, 5.7OSi-300-JF, 5.7OSiE-300-JF, 5.7OSi-A, 5.7OSi-AF, 5.7OSi-B, 5.7OSi-BF, 5.7OSi-C, 5.7OSi-CF, 5.7OSi-E, 5.7OSi-EF, 5.7OSi-G, 5.7OSi-GF, 5.7OSXi-A, 5.7OSXi-AF, 5.7OSXi-B, 5.7OSXi-BF, 5.7OSXi-C, 5.7OSXi-CF, 5.7OSXi-E, 5.7OSXi-EF, 5.7OSXi-J, 5.7OSXi-JF, 5.7OSXiE-JF, 5.7OSXi-G, 5.7OSXi-GF, 5.0OSi-DF, 5.0OSi-E, 5.0OSi-EF, 5.0OSi-J, 5.0OSi-JF, 5.0OSiE-J, 5.0OSiE-JF, 5.0OSi-F, 5.0OSi-FF, 5.0OSi-G, 5.0OSi-GF, 5.7Gi-300-J, 5.7Gi-300-JF, 5.7GiE-300-JF, 5.7GiCE-300-M, 5.7GiCE-300-MF, 5.7Gi-A, 5.7Gi-B, 5.7Gi-BF, 5.7GiC-300-J, 5.7GiCE-300-J, 5.7GiCE-300-JF, 5.7GiC-300-JF, 5.7Gi-E, 5.7Gi-EF, 5.7GiE-300-K, 5.7GiE-300-KF, 5.7GiE-300-M, 5.7OSi-D, 5.7OSi-DF, 5.7Gi-F, 5.7Gi-FF, 5.7Gi-G, 5.7Gi-GF, 5.7GL-A, 5.7GL-B, 5.7GL-C, 5.7GL-D, 5.7GL-E, 4.3OSi-GF, 4.3OSi-J, 4.3OSi-JF, 5.0GiC-J, 5.0GL-A, 5.0GL-B, 5.0GL-C, 5.0GXiCE-JF, 5.0GXiCE-J, 5.0GXiC-JF, 5.0GXiCE-M, 5.0GXiCE-MF, 5.0GXi-D, 5.0GXi-DF, 5.0GXi-E, 5.0GXi-EF, 5.0GXi-J, 5.0GXi-JF, 5.0GXiE-JF, 5.0GXiE-J, 5.0GXiE-K, 5.0OSi-C, 5.0OSi-CF, 5.0OSi-D, 5.0GL-D, 5.0GL-E, 5.0GL-F, 5.0GL-FF, 5.0GL-HF, 5.0GL-J, 5.0GL-JF, 5.0GXi-A, 5.0GXi-B, 5.0GXi-BF, 5.0GXi-C, 5.0GXi-CF, 5.0GXiC-J, 5.0GL-H, 5.0GXiE-KF, 5.0GXiE-M, 5.0GXiE-MF, 5.0GXi-F, 5.0GXi-FF, 5.0GXi-G, 5.0GXi-GF, 5.0OSi-BF, 5.0OSi-B, 4.3GL-A, 4.3GL-B, 4.3GL-C, 4.3GL-D, 4.3GL-E, 4.3GL-EF, 4.3GL-G, 4.3GL-GF, 4.3GL-J, 4.3GL-JF, 4.3GXi-B, 4.3GXi-BF, 4.3GXi-C, 4.3GXi-CF, 4.3GXi-D, 4.3GXi-DF, 4.3GXi-E, 4.3GXi-EF, 4.3GXi-F, 4.3GXi-FF, 4.3GXi-G, 4.3GXi-GF, 4.3GXi-J, 4.3GXi-JF, 4.3OSi-BF, 4.3OSi-B, 4.3OSi-C, 4.3OSi-CF, 4.3OSi-D, 4.3OSi-DF, 4.3OSi-E, 4.3OSi-EF, 4.3OSi-F, 4.3OSi-FF, 4.3OSi-G
• Volvo Penta DPX375-A, DPX375-B, DPX375-BF, DPX375-CF
• Volvo Penta DPX420-CF, DPX420-A, DPX420-B, DPX420-BF