870989 Injector | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta injector from the Fuel System group, weighing 0.923 kg and listed for 12 applications across the MD, TMD, TD and D engine series.

🚤 Compatibility

Typically suits:

• Volvo Penta MD100A
• Volvo Penta MD100B
• Volvo Penta TMD100A
• Volvo Penta TD100AHC
• Volvo Penta TD100ARC
• Volvo Penta TD100A
• Volvo Penta TD100AG
• Volvo Penta D100A
• Volvo Penta D100BHC
• Volvo Penta D100BRC
• Volvo Penta D100B
• Volvo Penta MD100B-CC

• Engine Family: MD, TMD, TD, D

⚙️ Key Features

• 0.923 kg
• 12 applications across MD, TMD, TD and D engines
• Fuel System group
• Quantity varies by assembly, most commonly six

🔌 Function

Delivers a metered charge of diesel into the cylinder at the pressure and spray pattern the combustion chamber was designed for.

⚠️ Common Signs of Failure

• Black smoke and poor power under load
• Distinct knock or hammer from one cylinder
• Hard starting and misfire until warm
• Fuel consumption rising with no change in how the boat is run
• Uneven or dribbling spray pattern found on pop test

🛠️ Service Notes

• Injector 866882 is the other injector listed here at 0.306 kg for TWD and TD engines — they are different parts, so order by engine series and number
• Renew the injector seat washer and any sealing ring whenever the injector is removed
• Have the set pop-tested together so the cylinders stay matched

🔄 Supersession & Cross Reference

Other-Brand OEM Numbers

• Bosch: 0 432 281 800
• Bosch: 0 433 271 043
• Bosch: DLLA150S178

📦 Condition

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