21778054 Oil Pump | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Oil Pump - Part Number: 21778054

Engine-driven lubricating-oil pump for D11B1-A marine engines. It draws oil through the strainer and supplies the main lubrication galleries at the pressure and volume required by the engine.

⚙️ Key Features

• Engine-specific displacement and drive

• Maintains required oil flow and pressure

• Machined pump housing and rotors/gears

• Designed for the original strainer and galleries

• Product- and serial-controlled fitment

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21778054 (current listed OEM reference)

OEM / Related Numbers:

• 21778054

• 3808491 / 23473522 - related oil-pan references

• 21152129 - cover flange

• 21156901 / 21156591 - related oil pipes

• 21641187 - dipstick

• 3883823 - oil strainer

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• D11B1-A marine-propulsion lubrication system

Typically suits:

• Engine / drive models:

• D11B1-A MP product family

• HP / Rating: Rating controlled by product number

• Engine / System Type: Inline six-cylinder turbocharged marine diesel

• Year Range: Production configuration controlled

• Serial / Specification Control: Confirm the complete product number and serial number before ordering; 21778054 must be listed for the installation

🔌 Function

Draws lubricating oil from the sump and delivers pressurised oil to bearings, piston-cooling circuits and other engine lubrication points.

Common signs of failure:

• Low oil-pressure warning

• Delayed pressure after starting

• Bearing or valve-train noise

• Scored pump surfaces or excessive clearance

• Metal debris or damage from contaminated oil

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging