3861031 Volvo Bracket | Genuine Used Part

🔧 Product Description

Genuine Volvo Penta Mechanical Fuel-Pump Mounting Bracket - Part Number: 3861031

A genuine used Volvo Penta bracket assembly used to mount and support the low-pressure mechanical fuel pump on selected GM-based 5.0L and 5.7L petrol marine engines.

The formed metal bracket positions the pump securely against the engine and maintains correct routing for the fuel lines and mounting hardware. Used-parts listings consistently identify 3861031 as the fuel-pump bracket for Volvo Penta 5.0L and 5.7L GM engines.

⚙️ Key Features

• Genuine Volvo Penta fuel-pump bracket
• Correct Volvo reference 3861031
• Supports the low-pressure fuel-pump assembly
• Designed for selected GM-based V8 petrol engines
• Factory mounting geometry for fuel-line clearance

🚤 Compatibility

Commonly used on

• Volvo Penta low-pressure fuel-pump assemblies
• GM-based 5.0L V8 petrol engines
• GM-based 5.7L V8 petrol engines
• Gi and GXi fuel-injected marine packages

Typically suits selected

• Volvo Penta 5.0Gi
• Volvo Penta 5.0GXi
• Volvo Penta 5.7Gi
• Volvo Penta 5.7GXi
• Related sterndrive and inboard packages whose fuel-system diagram lists 3861031
• Engine Type: GM-based V8 petrol marine engine
• Displacement Range: 5.0L - 5.7L
• Year Range: Engine-model and fuel-system controlled

🔌 Function

The bracket holds the fuel pump in its designed position and prevents pump or fuel-line movement caused by vibration, engine torque and boat motion.

⚠️ Common Signs of Failure

• Fuel pump moves or vibrates
• Bracket is cracked around a mounting hole
• Fuel lines contact the engine or belt system
• Mounting threads are damaged
• Pump alignment causes stress on a fitting
• Bracket is bent following engine removal
• Corrosion weakens the bracket
• Fasteners repeatedly loosen

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3861031 documented Volvo Penta bracket reference
• Some Volvo Penta suppliers identify the part as discontinued or superseded but do not publish a universal replacement number

OEM / Related Numbers

• 3861031
• Fuel pump and mounting bolts vary by engine model
• Fuel-line fittings and vapour-separator connections vary by EFI system
• Bracket assembly may be listed as "bracket AY"

Aftermarket / Verified Equivalents

• No verified direct aftermarket equivalent
• Used OEM fuel-pump brackets are commonly available under 3861031
• Fabricated replacements should not be used unless pump alignment and marine fuel-system clearances are duplicated accurately

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated