843768 Thermo Monitor | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta thermo monitor from the Instruments group, weighing 0.116 kg and listed for 26 applications across the D, TD, TMD, TAMD and TAD series. It carries no alarm or stop marking, which is what separates it from its two siblings.

🚤 Compatibility

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

Full model list at the end of this description.

⚙️ Key Features

• No alarm or stop marking, unlike its siblings
• 0.116 kg
• 26 applications across D, TD, TMD, TAMD and TAD
• Instruments group

🔌 Function

Senses coolant temperature and switches its circuit when the set temperature is reached.

⚠️ Common Signs of Failure

• Warning or gauge behaviour that does not match the actual engine temperature
• Circuit switching late, early or not at all
• Coolant weeping around the body or thread
• Terminal corroded or lead chafed at the unit
• Reading drifting as the engine warms through

🛠️ Service Notes

• Thermo monitor 843767 is marked as the alarm and 843769 as the stop function — this one carries neither marking, so read the panel wiring before choosing
• Check the sender's earth path and the panel wiring before condemning the monitor

📦 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 TAMD102A, TAMD102D
• Volvo Penta TAMD122A, TAMD122A/C
• Volvo Penta TD121CHC, TD121CRC
• Volvo Penta TD70CHC, TD70CRC
• Volvo Penta TAD121CHC
• Volvo Penta TMD102A
• Volvo Penta TMD122A