843002 Nut | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta nut marked Alt, from the Other Electrical Equipment group, weighing 0.02 kg and listed for 291 applications across MD, TMD, MB, AQ, AQD and TD series engines. It supersedes part number 831526. The Alt marking identifies it as the alternative fitting.

🚤 Compatibility

• Engine Family: MD, TMD, MB, AQ, AQD, TD, AD, AQAD, TWD, TID, BB, TAMD, THAMD, MS, B, D, DP, SP, TAD

Full model list at the end of this description.

⚙️ Key Features

• Marked Alt as the alternative fitting
• 0.02 kg
• Supersedes 831526
• 291 applications across MD, TMD, MB, AQ, AQD and TD series engines

🔌 Function

Clamps an electrical terminal or stud connection so the joint stays tight and conducts properly.

⚠️ Common Signs of Failure

• Terminal getting hot or discolouring under load
• Connection working loose with vibration
• Thread corroded, stretched or cross-cut
• Flats rounded off by a poorly fitting spanner
• Green or white corrosion product around the joint

🛠️ Service Notes

• Clean the stud and terminal faces before fitting and tighten firmly without crushing the terminal
• This is the current reference for 831526

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 843002 → Supersedes 831526

OEM / Related Numbers

• 831526 earlier number superseded by this part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 100S, 110S, 740B, 500A, 501A, 501B, 570A, 572A, 740A, 430A, 430B, 431A, 431B, 432A, 434A, 230A, 230B, 231LB, 250A, 250B, 251A, 271LB, 275A, 280B, 285A, 290DP, 570, 500B, 500, 571A, 430
• Volvo Penta TD61A, TD61ACE, TD61AG, TD61AGP, TD61AP, TD61APB, TD61AW
• Volvo Penta TD71A, TD71ACE, TD71AG, TD71AGP, TD71AP, TD71APB, TD71AW
• Volvo Penta DP-C, DP-C1, DP-D, DP-D1, DP-A, DP-A2
• Volvo Penta AQ225D, AQ225E, AQ225B, AQ225C, AQ225F
• Volvo Penta AQD70B, AQD70BL, AQD70CL, AQD70D, AQD70C
• Volvo Penta B230, B230E, B230F, B230FB, B230FX
• Volvo Penta TID71A, TID71AG, TID71AGP, TID71AP, TID71APB
• Volvo Penta AQ130C, AQ130D, AQ130A, AQ130B
• Volvo Penta AQ131A, AQ131B, AQ131C, AQ131D
• Volvo Penta AQ200D, AQ200C, AQ200B, AQ200F
• Volvo Penta AQ271A, AQ271C, AQ271B, AQ271D
• Volvo Penta BB225A, BB225AV, BB225B, BB225C
• Volvo Penta TAD1630G, TAD1630GE, TAD1630P, TAD1630PB
• Volvo Penta TAMD162C-C, TAMD162A, TAMD162C, TAMD162C-B
• Volvo Penta TAMD70B, TAMD70E, TAMD70C, TAMD70D
• Volvo Penta TWD1630G, TWD1630P, TWD1630PP, TWD1630V
• Volvo Penta TWD610G, TWD610P, TWD610PB, TWD610V
• Volvo Penta TWD710G, TWD710P, TWD710PB, TWD710V
• Volvo Penta AQ151A, AQ151B, AQ151C
• Volvo Penta AQ170B, AQ170C, AQ170A
• Volvo Penta BB115A, BB115B, BB115C
• Volvo Penta BB170B, BB170C, BB170A
• Volvo Penta BB260AV, BB260B, BB260C
• Volvo Penta MB20A, MB20B, MB20C
• Volvo Penta MD100A, MD100B, MD100B-CC
• Volvo Penta MD5A, MD5B, MD5C
• Volvo Penta MD70B, MD70BK, MD70C
• Volvo Penta SP-C, SP-A2, SP-C1
• Volvo Penta TAD730G, TAD730P, TAD730V
• Volvo Penta TAMD122A, TAMD122A/C, TAMD122D
• Volvo Penta TD610G, TD610M, TD610V
• Volvo Penta TMD40A, TMD40B, TMD40C
• Volvo Penta AQ115A, AQ115B
• Volvo Penta AQ125B, AQ125A
• Volvo Penta AQ145B, AQ145A
• Volvo Penta AQ171A, AQ171C
• Volvo Penta AQ205LB, AQ205A
• Volvo Penta AQ231A, AQ231B
• Volvo Penta AQ255A, AQ255B
• Volvo Penta AQ260A, AQ260B
• Volvo Penta AQ311A, AQ311B
• Volvo Penta AQAD40B, AQAD40A
• Volvo Penta AQD21A, AQD21B
• Volvo Penta MD11C, MD11D
• Volvo Penta MD17C, MD17D
• Volvo Penta MD2B, MD2
• Volvo Penta MD21B, MD21A
• Volvo Penta MD6A, MD6B
• Volvo Penta MD7B, MD7A
• Volvo Penta MS3B, MS3C
• Volvo Penta MS4B, MS4A
• Volvo Penta TAD1030G, TAD1030GE
• Volvo Penta TAD1031G, TAD1031GE
• Volvo Penta TAD1230G, TAD1230V
• Volvo Penta TAD1631GE, TAD1631G
• Volvo Penta TAMD120A, TAMD120B
• Volvo Penta TAMD165A, TAMD165C
• Volvo Penta TAMD40A, TAMD40B
• Volvo Penta TAMD60A, TAMD60B
• Volvo Penta TD60D-83, TD60B
• Volvo Penta TD630ME, TD630VE
• Volvo Penta TD70G, TD70G-83
• Volvo Penta TD730ME, TD730VE
• Volvo Penta THAMD70C, THAMD70B
• Volvo Penta TID60DG, TID60D
• Volvo Penta TID61AG, TID61AGP
• Volvo Penta TMD100A, TMD100C
• Volvo Penta TMD120A, TMD120B
• Volvo Penta TMD70C, TMD70B
• Volvo Penta TWD1210G, TWD1210V
• Volvo Penta TWD1211V, TWD1211G
• Volvo Penta TWD630ME, TWD630VE
• Volvo Penta TWD740GE, TWD740VE
• Volvo Penta AD40B
• Volvo Penta AQ120B
• Volvo Penta AQ140A
• Volvo Penta AQ165A
• Volvo Penta AQ175A
• Volvo Penta AQ190A
• Volvo Penta AQ211A
• Volvo Penta AQ240A
• Volvo Penta AQ290A
• Volvo Penta AQD2B
• Volvo Penta AQD40A
• Volvo Penta B20
• Volvo Penta BB140A
• Volvo Penta BB145A
• Volvo Penta BB165A
• Volvo Penta BB231A
• Volvo Penta BB261A
• Volvo Penta BB740A
• Volvo Penta D100B
• Volvo Penta MB2A
• Volvo Penta MD1B
• Volvo Penta MD120A
• Volvo Penta MD3B
• Volvo Penta MD40A
• Volvo Penta MD67C
• Volvo Penta TAD1032GE
• Volvo Penta TAD1231GE
• Volvo Penta TAD1232GE
• Volvo Penta TAD740GE
• Volvo Penta TAD741GE
• Volvo Penta TAMD102A
• Volvo Penta TAMD103A
• Volvo Penta TAMD121D
• Volvo Penta TAMD163A-A
• Volvo Penta TAMD74A
• Volvo Penta TD100A
• Volvo Penta TD1010G
• Volvo Penta TD121G-87
• Volvo Penta TD1210G
• Volvo Penta TD640VE
• Volvo Penta TD710G
• Volvo Penta TID120FPP
• Volvo Penta TID121FG
• Volvo Penta TID70G
• Volvo Penta TMD102A
• Volvo Penta TMD121C
• Volvo Penta TMD122A
• Volvo Penta TWD1010G
• Volvo Penta TWD1231VE
• Volvo Penta TWD1620G
• Volvo Penta TWD730ME
• Volvo Penta TWD731VE