15100-87J03 Suzuki Low Pressure Fuel Pump | Genuine Used Part

🔧 Product Description

Genuine Suzuki DF40 / DF50 Low-Pressure Fuel Pump - Part Number: 15100-87J03

A genuine Suzuki low-pressure mechanical fuel pump for original-generation DF40 and DF50 four-stroke outboards. The pump lifts fuel from the boat supply and delivers it to the engine's vapour-separator system. It is also supplied for Suzuki-built Johnson and Evinrude applications under BRP reference 5031398.

⚙️ Key Features

• Genuine Suzuki OEM lift pump
• Correct current revision 15100-87J03
• Cross-brand BRP / Johnson reference 5031398
• Used on original-generation DF40 and DF50 engines
• Mechanical low-pressure diaphragm design

🚤 Compatibility

• Suzuki DF40 original-generation four-stroke
• Suzuki DF50 original-generation four-stroke
• Suzuki-built Johnson / Evinrude 40HP and 50HP four-stroke models where 5031398 is specified
• Documented examples include 1999 DF40 and 2004, 2006 and 2008 DF40 / DF50 applications
• Approximate year range: 1999-2010
• Engine Type: Suzuki inline-three carburetted or EFI four-stroke, depending on model year

🔌 Function

The pump uses engine pressure pulses to draw fuel from the remote tank and supply the vapour separator or carburettor system at low pressure.

⚠️ Common Signs of Failure

• Engine loses power at high RPM
• Fuel level in the vapour separator becomes low
• Pump diaphragm leaks fuel
• Hard starting after storage
• Primer bulb must be pumped repeatedly
• Pulse hose or check valves fail

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 15100-87J03 is the latest documented revision in the 87J pump family
• Earlier related revisions: 15100-87J00, 15100-87J01 and 15100-87J02
• 15100-87J0V is a related packaged or service-suffix version
• 5031398 is the Johnson / Evinrude OEM cross-brand equivalent

OEM / Related Numbers

• 15100-87J03
• 15100-87J02
• 15100-87J01
• 15100-87J00
• 15100-87J0V
• 5031398
• Related pump gasket, pulse hose and vapour-separator hoses

Aftermarket / Verified Equivalents

• Recmar REC15100-87J03
• Aftermarket Suzuki / Johnson low-pressure pumps cross-referenced to 15100-87J03 and 5031398
• No automotive pump is a direct replacement because fuel pressure, mounting and pulse operation differ

📦 Condition

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