Excavator Hydraulic Spare Parts

378-4323 24V 16cc Secondary Steering Pump for Cat 950M 962M 966M 972M

Q: What numbers are documented for 378-4323?

Primary Equipment Part Number: 378-4323. Remanufactured Alternative: 11R-1854. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 378-4323 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

378-4323 24V 16cc Secondary Steering Pump for Cat 950M 962M 966M 972M, OEM/reference 378-4323, 24V 16cc Electric-Drive Secondary Steering Pump, product view 1

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OEM / reference378-4323

Specification24V 16cc Electric-Drive Secondary Steering Pump

Catalog ID63187282

Electric-drive secondary steering pump group identified by part number 378-4323. The official equipment record specifies 24 VDC, a counter-clockwise motor, 16 cc displacement, a 402.9 mm overall length and 161.6 mm overall width. Supported wheel-loader families include 950M, 962M, 966M and 972M. Confirm the complete part number, port arrangement and machine serial range before ordering.

Product Type: Electric-Drive Secondary Steering Pump
Product Brand: EexcavaStart
Voltage: 24 VDC
Motor Rotation: CCW
Displacement: 16 cc
Overall Length: 402.9 mm
Overall Width: 161.6 mm
Pressure / Drain Ports: SAE No. 8 (3/4-16) STOR
Suction Port: SAE No. 12 (1-1/16-12) STOR
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Official Cat new-unit number	378-4323
Remanufactured Alternative	Official Cat Reman alternative; core conditions apply	11R-1854

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

378-4323

Remanufactured number

11R-1854

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

24V 16cc Electric-Drive Secondary Steering Pump

Category: Excavator Hydraulic Spare Parts
Catalog ID: 63187282
Photo views: 5

Before ordering

Confirm these details

Match the complete part number on the original component.
Compare connectors, mounting points and visible dimensions with the product photos.
Confirm the exact machine or engine model and serial range before ordering.

Machine fitment

Compatible model references

5 model references

Equipment: Cat 950M / 950L
Equipment: Cat 962 / 962L / 962M / 962M Z
Equipment: Cat 966K XE / 966L / 966M / 966M XE / 966 GC
Equipment: Cat 972L / 972M / 972M XE
Fitment limitation: Confirm 378-4323, 24 VDC, CCW motor, 16 cc displacement, port arrangement and machine serial range

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about 378-4323

Which machines use 378-4323?

Recorded compatible model references include Equipment: Cat 950M / 950L, Equipment: Cat 962 / 962L / 962M / 962M Z, Equipment: Cat 966K XE / 966L / 966M / 966M XE / 966 GC, Equipment: Cat 972L / 972M / 972M XE, Fitment limitation: Confirm 378-4323, 24 VDC, CCW motor, 16 cc displacement, port arrangement and machine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 378-4323?

Remanufactured references: 11R-1854.

How do I confirm 378-4323 before ordering?

Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.

Continue comparing verified references from the same system.

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