856170 Needle Valve | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta needle valve from the Fuel System group, weighing 0.023 kg and listed for 13 applications across the AQ and B ranges. A second needle valve is listed in this run - 856193, at 0.007 kg for 31 applications across AQ, DP, SP and MS. They are not interchangeable, so order against the carburettor rather than by appearance.

🚤 Compatibility

Typically suits:

• Volvo Penta AQ131A
• Volvo Penta AQ131B
• Volvo Penta AQ131C
• Volvo Penta AQ131D
• Volvo Penta 230A
• Volvo Penta 230B
• Volvo Penta 250A
• Volvo Penta 250B
• Volvo Penta B230
• Volvo Penta B230E
• Volvo Penta B230F
• Volvo Penta B230FB
• Volvo Penta B230FX

• Engine Family: AQ, B

⚙️ Key Features

• Fuel System needle valve
• 0.023 kg
• 13 applications across the AQ and B ranges
• Not interchangeable with needle valve 856193

🔌 Function

Meters fuel into the float chamber and closes against its seat as the float rises, holding the fuel level where the carburettor expects it.

⚠️ Common Signs of Failure

• Fuel flooding from the carburettor or running out of the overflow
• Rich running, black smoke and hard hot starting
• Fuel smell in the engine bay after shutdown
• Needle tip grooved or ridged, seat worn to a step
• Float level impossible to hold at the set point

🛠️ Service Notes

• Renew the float chamber gasket while the chamber is open
• A leaking needle valve puts raw fuel into the engine bay - trace and cure any smell before running the engine again
• Needle valve 856193 covers 31 applications across AQ, DP, SP and MS; order by part number

📦 Condition

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