Caterpillar Main Hydraulic Pump – 176-3963 - 1763963

315C Caterpillar Main Hydraulic Pump – 176-3963 - Caterpillar Excavator

Fits Caterpillar 315C – OEM Part #176-3963

DescriptionMain Hydraulic Pump – Caterpillar 315C (OEM Part #176-3963). Direct replacement for Caterpillar part number 176-3963.

Part #
1763963
Weight
340.00
Availability
In stock
Condition
New

WARNING : Cancer and Reproductive harm. See www.P65Warnings.ca.gov

*Please call to help verify fitment and always confirm the part number before ordering.

Pricing & Availability

This part is quoted individually — new, rebuilt and used options are often available. Get a fast online quote, or call or text a real parts person.

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Fits These Machines

Partial list from OEM application data. Not sure? Call or text us with your model and serial number and we’ll verify fitment.

Caterpillar 1
Hitachi 1
John Deere 1

Overview

Main Hydraulic Pump – Caterpillar 315C (OEM Part #176-3963)

This main hydraulic pump fits Caterpillar 315C. It is supplied as a direct replacement for Caterpillar part number 176-3963.

Compatible OEM Part Number: 176-3963

Compatible Machines:
Caterpillar 315C

Function
Double variable-displacement axial piston pump that supplies main hydraulic flow to the excavator's implement, swing and travel circuits.

Key Features

  • Axial piston pump, double variable displacement
  • Cat part number 176-3963 (Pump Gp)
  • Fits Cat 315C excavator

Specifications

Component TypeMain Hydraulic Pump
ApplicationExcavator main hydraulic system
OEM Part Number176-3963
FitmentCaterpillar 315C (OEM part 176-3963)
Machine TypeExcavator

OEM Cross References

Part #Relationship
176-3963Replaces
1763963Replaces

About Our Conditions

ConditionWhat you getWarranty
New AftermarketNew aftermarket part made to fit this application, AMS-branded, hardware kit included12 months
RebuiltProfessionally rebuilt to spec; refundable core charge, return label provided (30 days, same part number, rebuildable)6 months
UsedInspected used take-offs — call or text for current availability and pricingCall for details
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