847917 Inhibitor Plunger | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta inhibitor plunger from the Engine Controls group, weighing 0.009 kg and listed for 23 applications across the D, TD, TMD, TAMD and TAD series, for engines from modification 89884 and serial number 238394 onwards. It supersedes 842902 and 842897, which were catalogued earlier as a stop device and a spacer sleeve.

🚤 Compatibility

• Engine Family: D, TD, TMD, TAMD, TAD
• Serial Range: MO89884/238394-

Full model list at the end of this description.

⚙️ Key Features

• Engine control inhibitor plunger
• 0.009 kg
• Supersedes 842902 and 842897, formerly a stop device and a spacer sleeve
• For engines from modification 89884 and serial number 238394 onwards

🔌 Function

Acts as the sliding plunger in the control stop mechanism, moving against its seat to block or release the control travel at the set point.

⚠️ Common Signs of Failure

• The control no longer stopping at its intended position
• Sticky, notchy or jamming control movement
• Plunger scored, pitted or corroded on its sliding face
• Wear step visible where the plunger meets its seat

🛠️ Service Notes

• Stop device 847918 in this listing shares the same fitment and the same superseded numbers, and is the much larger 0.261 kg body the plunger works in, so check which of the two is actually worn
• Clean the bore and check it for scoring before fitting a new plunger, as a scored bore will spoil the new part quickly

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 847917 → Supersedes 842902

OEM / Related Numbers

• 842897 earlier number superseded by this part
• 842902 earlier number superseded by this part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 TAMD122A, TAMD122A/C, TAMD122D, TAMD122P-A, TAMD122P-B, TAMD122P-C
• Volvo Penta TAMD162A, TAMD162C, TAMD162C-B
• Volvo Penta D70CHC, D70CRC
• Volvo Penta TD100CHC, TD100CRC
• Volvo Penta TD121CHC, TD121CRC
• Volvo Penta TD70CHC, TD70CRC
• Volvo Penta TAD121CHC
• Volvo Penta TAMD121D
• Volvo Penta TMD100C
• Volvo Penta TMD102A
• Volvo Penta TMD121C
• Volvo Penta TMD122A