843769 Thermo Monitor | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta thermo monitor for the stop function, from the Instruments group, weighing 0.084 kg and listed for 25 applications across the D, TD, TMD, TAMD and TAD series.

🚤 Compatibility

• Engine Family: D, TD, TMD, TAMD, TAD

Full model list at the end of this description.

⚙️ Key Features

• Stop function
• 0.084 kg
• 25 applications across D, TD, TMD, TAMD and TAD
• Instruments group

🔌 Function

Switches at a set coolant temperature to shut the engine down before overheating does damage.

⚠️ Common Signs of Failure

• Engine shutting down with no overheat present
• No shutdown when the protection circuit is tested
• Nuisance stops that clear when the unit cools
• Coolant weeping from the body or thread
• Corroded terminal or damaged lead at the switch

🛠️ Service Notes

• This is the stop unit and 843767 is the alarm unit — fitting the wrong one leaves the engine either unprotected or stopping for no reason
• Only 4 grams separate the two, so order by part number
• This is a protection device: test the shutdown after fitting

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TD100AHC, TD100ARC, TD100CHC, TD100CRC
• Volvo Penta TD120AHC, TD120ARC, TD120BHC, TD120BRC
• Volvo Penta TAD120AHC, TAD120BHC, TAD120CHC
• Volvo Penta D100BHC, D100BRC
• Volvo Penta D70CHC, D70CRC
• Volvo Penta TAMD122A, TAMD122A/C
• Volvo Penta TD121CHC, TD121CRC
• Volvo Penta TD70CHC, TD70CRC
• Volvo Penta TAD121CHC
• Volvo Penta TAMD102A
• Volvo Penta TMD102A
• Volvo Penta TMD122A