856193 Needle Valve | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta needle valve from the Fuel System group, weighing 0.007 kg and listed for 31 applications across the AQ, DP, SP and MS ranges - the wider-fitting of the two needle valves in this run. The other, 856170, is listed at 0.023 kg for 13 applications across AQ and B only.

🚤 Compatibility

• Engine Family: AQ, DP, SP, MS

Full model list at the end of this description.

⚙️ Key Features

• Fuel System needle valve
• 0.007 kg
• 31 applications across AQ, DP, SP and MS
• The wider-fitting of the two needle valves listed here

🔌 Function

Meters fuel into the float chamber and closes against its seat as the float rises, setting and holding the fuel level.

⚠️ Common Signs of Failure

• Carburettor flooding or fuel running from the overflow
• Black smoke, sooted plugs and heavy fuel use
• Petrol smell around the engine after shutdown
• Needle tip worn to a ring, seat pitted
• Fuel level wandering above the set point

🛠️ Service Notes

• Renew the float chamber gasket at the same time
• A flooding carburettor is a fire risk in a closed engine bay - do not run the engine until the leak is cured
• Needle valve 856170 is the AQ and B range alternative; order by part number

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta 740B, 501B, 570A, 572A, 430A, 430B, 431A, 431B, 432A, 434A, 271LB, 570, 500B, 571A, 430
• Volvo Penta DP-C, DP-C1, DP-D, DP-D1, DP-A, DP-A2
• Volvo Penta AQ271A, AQ271C, AQ271B, AQ271D
• Volvo Penta SP-C, SP-A2, SP-C1
• Volvo Penta AQ311A, AQ311B
• Volvo Penta MS4B