To help you find the exact part numbers you need, could you tell me:
A code like "DB4629-4600" indicates the pump series (DB4), number of cylinders (6), plunger diameter (.290"), and a specific calibration number (4600). Common Replacement Parts & Kits stanadyne injector pump parts diagram list pdf printable
What is the from the pump's nameplate? (e.g., DB2-4911) To help you find the exact part numbers