STANADYNE / ROOSA MASTER
A high quality 2nd hand solution.
Genuine Replacement Parts • End Plate 15877
Transfer Pump
End Plate 15877
Restore your injection pump's pressure. This is the precision-machined cover for the transfer pump found in legacy Roosa Master and Stanadyne DB, JDB, and DC series fuel injection pumps.
Part Number
15877
Material
Aluminum
Condition
Used
Is Your End Plate Worn?
The end plate is subject to constant friction from the transfer pump blades. Wear leads to internal pressure loss and common engine issues.
🔍 Common Symptoms
- Hard Start (Hot)High Prob.
- Power Loss Under LoadMed Prob.
- Engine Stalls at IdleHigh Prob.
- Surging RPMLow Prob.
👀 What to Look For
Bad: Deep circular grooves you can catch with a fingernail.
Good: Smooth, flat surface (Mirror finish).
Compatibility & Fitment
- Roosa Master DB Series
Fits most standard DB agricultural and industrial pumps.
- Stanadyne JDB & DC Series
Common on John Deere 300/400 series engines, Case backhoes, and International Harvester.
- Stanadyne DB2 Series (Early Models)
Compatible with earlier mechanical light-duty diesel pumps.