881646 Tachometer | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta tachometer, 85 mm with a black face reading 0 to 4000 rpm with an hour counter, for EVC A-B generation systems, weighing 0.211 kg and listed for 47 applications on D series engines. It supersedes 873992 and 881652 — 881652 being the white-faced version of the same instrument — so this black-faced gauge is the current listing for both.

🚤 Compatibility

• Engine Family: D
• HP Range: 180-370 HP

Full model list at the end of this description.

⚙️ Key Features

• 85 mm, black face, 0-4000 rpm
• Engine speed and hour counter
• EVC A-B generation
• 0.211 kg
• Supersedes 873992 and 881652
• 85mm (Volvo assembly listing)
• Also supersedes Volvo part numbers 873830 and 876751

🔌 Function

Displays engine speed and accumulates running hours for the service schedule.

⚠️ Common Signs of Failure

• Needle reading erratically, sticking or sitting at zero
• Hour counter frozen or stepping unevenly
• Backlight dim, flickering or dead
• Condensation or a clouded lens face
• Corroded pins on the back of the instrument

🛠️ Service Notes

• The white-faced 881652 is superseded by this gauge, so a white instrument replaced from stock will change the panel's appearance
• Check the signal source and the panel connector before condemning the gauge — a poor earth gives the same erratic reading

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 881646 → Supersedes 873992

OEM / Related Numbers

• 881652 earlier number superseded by this part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 D6-350A-A, D6-350A-B, D6-370D-B, D6-370D-A, D6-310I-B, D6-280I-B, D6-280I-A, D6-310I-A, D6-310D-B, D6-370I-A, D6-370I-B, D6-310A-B, D6-310A-A, D6-280A-A, D6-280A-B, D6-370A-B
• Volvo Penta D4-260A-B, D4-260A-A, D4-260I-A, D4-260I-B, D4-210A-A, D4-210A-B, D4-225A-B, D4-210I-A, D4-210I-B, D4-180I-B, D4-225I-B
• Volvo Penta D12C-A MP, D12D-A MH, D12D-A MP, D12D-B MH, D12D-B MP, D12D-C MH, D12D-C MP, D12D-D MP, D12D-E MP, D12D-F MP
• Volvo Penta D9A2J, D9A2G, D9A2D, D9A2B, D9A2F, D9A2K, D9A2H, D9A2A, D9A2C, D9A2E