11032858 Pulley | Genuine Volvo Penta Part

🔧 Product Description

This is a genuine Volvo Penta pulley from the cooling system group, supplied in the 159 mm diameter specification. It transfers belt drive to the cooling system components on the engine's front-end accessory drive. The 159 mm outside diameter is what separates this pulley from otherwise similarly named pulleys, so confirm the diameter before ordering.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD710G
• Volvo Penta TWD740GE
• Volvo Penta D5A-B TA
• Volvo Penta D5A-T
• Volvo Penta D5A-TA
• Volvo Penta TD710G
• Volvo Penta TD640VE
• Volvo Penta D7A-B TA
• Volvo Penta D7A-T
• Volvo Penta D7A-TA
• Volvo Penta TAD740GE
• Volvo Penta TAD741GE
• Volvo Penta MD2010
• Volvo Penta MD2010B

• Engine Family: TWD, D, TD, TAD, MD
• Year Range: Approximately 1980s - 2000s

⚙️ Key Features

• OEM Volvo Penta part number 11032858
• Diameter: 159 mm (D=159mm)
• System group: Cooling System
• Net weight: approximately 3.64 kg
• Fits D5A, D7A, TD/TWD/TAD industrial and marine diesel engines plus MD2010 series
• Supplied as a single pulley
• Engine type: Volvo inline 6-cylinder turbo-diesel

🔌 Function

The pulley carries the drive belt that turns cooling system components such as the coolant pump and fan, maintaining circulation and airflow while the engine runs. Correct pulley diameter sets the drive ratio and belt alignment for that circuit.

⚠️ Common Signs of Failure

• Squealing or chirping from the belt drive at idle or under load
• Visible wear, grooving or chipping in the belt groove
• Belt slipping, glazing or rapid belt wear from a worn or misaligned pulley
• Wobble or runout when the pulley is turned by hand, indicating hub or bearing damage
• Overheating or reduced coolant circulation caused by lost belt drive

🛠️ Service Notes

• Inspect the belt running surfaces before fitting — a pulley with glazed, scored, pitted or rust-roughened grooves will chew through a new belt in very little running time
• Check that the pulley runs true and that its bearing or bush turns smoothly with no roughness or side play; fit a new belt whenever a pulley is changed
• Confirm that every pulley in the drive lies in the same plane and that the belt profile matches each groove — misalignment shows up as belt dust, squeal or a worn belt edge and will destroy a new belt quickly
• Fit onto a clean, dry, burr-free shaft or hub face and tighten the retaining fasteners in the sequence and to the figures given in the workshop manual for your engine
• Turn the engine over by hand before starting to confirm the belt is fully seated in every groove and that nothing fouls, then recheck belt tension after the first running period

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 923829.0541 corresponding Kalmar equipment reference

OEM / Related Numbers

• 923829.0541 related reference
• 3812545 related fan console
• 11030668 related fan console
• 1660115 related bearing
• 3589591 related shaft
• 3826978 related fan hub
• 3827771 related fan hub
• 966392 related V-belt
• 966847 related V-belt

Aftermarket / Verified Equivalents

• Kalmar: 923829.0541 OEM crossover

📦 Condition

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