Caterpillar Main Pump Repair Kit 6E-6412

Caterpillar Main Pump Repair Kit 6E-6412 is part of the 19PARTS KOM line, our Keep Ops Moving™ hydraulic parts program for customers who need clear part-number identification, practical availability, and dependable aftermarket sourcing. This main pump repair kit is built around Korean-made hydraulic components sourced through our supplier network for Caterpillar equipment applications.

Kit overview

Assembly part number 6E-6412, alternate no-dash reference 6E6412, is mapped to the main pump component group shown below.

Included component parts

• 9T-8448 — Barrel (each)
• 9T-8452 — Piston Shoe (set)
• 6E-4234 — Valve Plate LH (each)
• 6E-4233 — Valve Plate RH (each)
• 9T-8450 — Retainer Plate (each)

Machine applications from source data

CAT D8R, D9R CRAWLER TRACTOR; CAT 14H, 16H, 20H, 24H MOTOR GRADER; CAT 789C, 793, 793B, 793C TRUCK; CAT 5230, 5230B MINING EXCAVATOR

KOM hydraulic standard

KOM stands for Keep Ops Moving™. For hydraulic repair parts, that means we focus on traceable sourcing, Korean-made component options where available, clean cross-reference support, and fitment verification before the part reaches the customer.

Fitment verification

Pump, swing motor, and travel motor groups can vary by model, serial number, and hydraulic arrangement. Always verify the assembly number, included components, machine model, serial range, and service-book information before ordering.

Quality note

This KOM listing is intended for buyers who want a more identifiable aftermarket hydraulic option than anonymous marketplace parts, while still confirming every replacement by part number and machine application.