841812 Pulley | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta pulley from the Alternator, Charging, Electric Motor, Electric Drives group, specified for generators 847604 and 847561, weighing 0.556 kg and listed for 92 applications across AQD, TMD, MD, AD, AQAD and D series engines. It replaces 834625, 834964, 841768 and 841378, three of which were catalogued as alternators rather than pulleys.

🚤 Compatibility

• Engine Family: AQD, TMD, MD, AD, AQAD, D, TAMD, THAMD, TD, HS, MS, KAD, KAMD

Full model list at the end of this description.

⚙️ Key Features

• For generators 847604 and 847561
• 0.556 kg - the heaviest of the three pulleys here
• 92 applications across six engine series
• Replaces 834625, 834964, 841768 and 841378

🔌 Function

Takes the belt drive onto the generator shaft so the generator turns at the right speed.

⚠️ Common Signs of Failure

• Belt squeal or belt slip under load
• Charging low or intermittent
• Belt dust and rubber deposits around the pulley
• Groove worn, stepped or chipped
• Pulley loose on the shaft or running out of true

🛠️ Service Notes

• Specified for generators 847604 and 847561 - pulleys 841811 and 841813 are for alternators 841762 and 841766, so identify the unit first
• Some of the numbers it replaces were listed as complete alternators, so confirm the pulley is what is being supplied
• Check the pulley alignment across the belt run after fitting

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 841812 → Supersedes 834625

OEM / Related Numbers

• 834964 earlier number superseded by this part
• 841768 earlier number superseded by this part
• 841378 earlier number superseded by this part
• 834625 earlier number superseded by this part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 TAMD31L-A, TAMD31M-A, TAMD31P, TAMD31P-A, TAMD31S, TAMD31A, TAMD31B, TAMD31D
• Volvo Penta AD31, AD31B, AD31D, AD31D-A, AD31L-A, AD31P-A, AD31XD
• Volvo Penta TAMD41B, TAMD41D, TAMD41H-A, TAMD41H-B, TAMD41P-A, TAMD41P, TAMD41A
• Volvo Penta AD41B, AD41D, AD41L-A, AD41P-A, AD41A, AD41BJ
• Volvo Penta TAMD122A, TAMD122A/C, TAMD122D, TAMD122P-A, TAMD122P-B, TAMD122P-C
• Volvo Penta AQD70B, AQD70BL, AQD70CL, AQD70D, AQD70C
• Volvo Penta TAMD70B, TAMD70E, TAMD70C, TAMD70D
• Volvo Penta TMD31A, TMD31B, TMD31D, TMD31L-A
• Volvo Penta TMD41A, TMD41B, TMD41D, TMD41L-A
• Volvo Penta D41B, D41D, D41L-A
• Volvo Penta TMD40A, TMD40B, TMD40C
• Volvo Penta AQAD40B, AQAD40A
• Volvo Penta KAD42A, KAD42B
• Volvo Penta KAMD42A, KAMD42B
• Volvo Penta MD70B, MD70C
• Volvo Penta TAMD102A, TAMD102D
• Volvo Penta TAMD40A, TAMD40B
• Volvo Penta THAMD70C, THAMD70B
• Volvo Penta TMD70C, TMD70B
• Volvo Penta AQAD30A
• Volvo Penta AQD40A
• Volvo Penta HS1A
• Volvo Penta MD30A
• Volvo Penta MD31A
• Volvo Penta MD40A
• Volvo Penta MS5B
• Volvo Penta TAMD103A
• Volvo Penta TAMD121D
• Volvo Penta TAMD30A
• Volvo Penta TAMD42B
• Volvo Penta TD30A
• Volvo Penta TD40A
• Volvo Penta TMD100C
• Volvo Penta TMD102A
• Volvo Penta TMD120B
• Volvo Penta TMD121C
• Volvo Penta TMD122A
• Volvo Penta TMD30A