21187738 Arm | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D1/D2 Governor Arm - Part Number: 21187738

Genuine arm used in the mechanical governor and fuel-control linkage of selected Volvo Penta D1 and D2 marine diesel engines.

⚙️ Key Features

• Mechanical governor linkage arm

• Confirmed D1-13F and D2-55 governor-system use

• Factory pivot and attachment geometry

• Transfers governor movement

• Designed for the matched shafts and levers

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21187738 - Current OEM part number

OEM / Related Numbers:

• 21187738

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Confirmed system applications:

• D1-13F mechanical governor

• D2-55A, D2-55B, D2-55C, D2-55D, D2-55E and D2-55F governor assemblies

• Confirm linkage orientation and engine serial number

🔌 Function

The arm transfers movement between the governor shaft and the fuel-control linkage.

Common signs of failure:

• Elongated pivot hole

• Bent arm

• Excess linkage play

• Unstable idle or rated speed

• Binding through the throttle range

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging