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Excavator Hydraulic Spare Parts

329-5736 31R Gear Pump for CAT M313D M315D M316D M318D

OEM / reference329-5736
Specification31R Basic Gear Pump
Catalog ID51241937

Basic 31R gear pump identified by official part number 329-5736. The manufacturer parts page confirms compatibility with M313D, M315D, M316D, M318D and additional M-series wheeled excavators, and publishes 7.9 in length and 5.1 in height. Six owned photographs show the same pump, drive, flange and ports. Confirm the original number, drive, flange, port orientation and machine serial range before ordering.

Product Type
31R basic gear pump
Manufacturer-Published Length
7.9 in
Manufacturer-Published Height
5.1 in
Condition
New replacement part

Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

RelationshipReference familyNumber
Manufacturer Part Number31R basic gear pump329-5736

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
  • 329-5736
Manufacturer number
  • 329-5736

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

Product summary

31R Basic Gear Pump

Category
Excavator Hydraulic Spare Parts
Catalog ID
51241937
Photo views
6

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

2 model references

  • Manufacturer-supported models: M322D / M322C / M318D / M318C / M320 / M313D / M316D / M315D / M317 / M320D2 / M315D2 / M317D2 / M322D2
  • Fitment limitation: Confirm original number, drive, flange, ports 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 329-5736

Which machines use 329-5736?

Recorded compatible model references include Manufacturer-supported models: M322D / M322C / M318D / M318C / M320 / M313D / M316D / M315D / M317 / M320D2 / M315D2 / M317D2 / M322D2, Fitment limitation: Confirm original number, drive, flange, ports and machine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 329-5736?

Manufacturer number: 329-5736.

How do I confirm 329-5736 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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