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Excavator Starter Motors

243-4342 24V 9T 2.5kW Starter Motor for Cat C2.2 C1.5 Generator Sets

OEM / reference243-4342
SpecificationStarter Motor
Catalog ID73563722

Cat identifies 243-4342 as a 24-volt electric starting motor and lists C2.2 and C1.5 generator sets as compatible models. An independent specialist catalog links the same starter family to Mahle references 11131265 and 11131419 and records 9 teeth, clockwise rotation, 2.5 kW output and PMGR construction. Five selected owned photographs show the same starter from the drive, mounting and terminal sides. Confirm 243-4342, voltage, pinion teeth, mounting flange and terminal orientation before ordering.

Product Type
Electric Starter Motor
Voltage
24 V
Pinion Teeth
9
Rated Power
2.5 kW
Rotation
Clockwise
Starter Design
PMGR
Condition
New replacement starter

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

Part-number relationships

RelationshipReference familyNumber
Primary Cat Part NumberOfficial 24V electric starting motor identity243-4342
Same-number Formatting VariantSearch alias only2434342
Mahle Manufacturer Cross-ReferenceMulti-source-supported starter-family reference11131265
Mahle Manufacturer Cross-ReferenceMulti-source-supported starter-family reference11131419

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
  • 243-4342
Manufacturer number
  • 11131265
  • 11131419
Formatting alias
  • 2434342

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

Product summary

Starter Motor

Category
Excavator Starter Motors
Catalog ID
73563722
Photo views
5

Before ordering

Confirm these details

  • Confirm voltage and power rating against the original starter nameplate.
  • Compare mounting-hole pattern, flange position and overall body orientation.
  • Confirm pinion tooth count and rotation where those values are specified.
  • Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

2 model references

  • Official Cat generator sets: C2.2 / C1.5
  • Fitment limitation: Confirm 243-4342, 24 V, 9-tooth pinion, flange geometry, terminal orientation and engine serial range before shipment

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 243-4342

Which machines use 243-4342?

Recorded compatible model references include Official Cat generator sets: C2.2 / C1.5, Fitment limitation: Confirm 243-4342, 24 V, 9-tooth pinion, flange geometry, terminal orientation and engine serial range before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 243-4342?

Manufacturer number: 11131265, 11131419. Formatting aliases for the same number: 2434342.

How do I confirm 243-4342 before ordering?

Confirm voltage and power rating against the original starter nameplate. Compare mounting-hole pattern, flange position and overall body orientation. Confirm pinion tooth count and rotation where those values are specified. Send clear photos of the original unit and connector layout when requesting a quote.

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