851629 Lock Ring Half | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta lock ring half from the Marine Propulsion group, listed for 69 applications across the MD, D, TMD, MS, BB and AD series.

🚤 Compatibility

• Engine Family: MD, D, TMD, MS, BB, AD, TAMD

Full model list at the end of this description.

⚙️ Key Features

• Supplied as one half of the ring
• 69 applications across six engine series

🔌 Function

Forms one half of a split ring that drops into its groove to hold the assembly together against axial load.

⚠️ Common Signs of Failure

• End float or knock appearing in the assembly
• Ring half found displaced or out of its groove
• Ring cracked or chipped at an edge
• Groove peened or worn away
• Assembly able to be pushed apart by hand

🛠️ Service Notes

• This is one half of the ring, so check how many the position takes before ordering
• Renew both halves together and inspect the groove, as a worn groove will spit a new ring out again

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta 2003, 2003R, 2003R SOLAS, 120S, 120S-B, 740A, 2003TB, 2003TB SOLAS, 120SC, 120S-D, 120S-E, 2001AG, 2001B, 2001BG, 2001D, 2003D, 2003T, 2003TR, 2002AG, 2002B, 2002BG, 2002D, 2003B, 2003B SOLAS, 2003 SOLAS, 2001, 2002, 2001R
• Volvo Penta MS2B-A, MS2B-L, MS2L-E, MS2B, MS2V, MS2A-D, MS2A-E
• Volvo Penta MD5A, MD5B, MD5C
• Volvo Penta AD31, AD31B
• Volvo Penta MD11C, MD11D
• Volvo Penta MD17C, MD17D
• Volvo Penta MD2010-C, MD2010-D
• Volvo Penta MD2020-C, MD2020-D
• Volvo Penta MD2030-C, MD2030-D
• Volvo Penta MD2040-C, MD2040-D
• Volvo Penta MD22, MD22A
• Volvo Penta MD6A, MD6B
• Volvo Penta MD7B, MD7A
• Volvo Penta TAMD31A, TAMD31B
• Volvo Penta TMD31A, TMD31B
• Volvo Penta BB740A
• Volvo Penta D2002AG
• Volvo Penta D2003AG
• Volvo Penta MD30A
• Volvo Penta MD31A
• Volvo Penta MD67C
• Volvo Penta TMD22A