321-8968 24V 5.5kW 10-Tooth Starter for CAT 312E, 314E and C4.4
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OEM / reference321-8968
SpecificationPLGR Starter Motor
Catalog ID69539015
321-8968 is a Caterpillar starter reference for selected machines powered by the C4.4 engine. The official cross-reference record specifies a new 24-volt, 5.5 kW, clockwise, 10-tooth Letrika/Iskra PLGR starter. Published applications include CAT 312E, 314E LCR/314E SR, 316E L and 318E L excavators plus selected AP-series pavers and CP/CS-series compactors. Confirm 321-8968, the 24V/5.5kW label, 10-tooth pinion, flange, terminals and machine serial range.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Part-number relationships
Relationship
Reference family
Number
Primary Caterpillar Equipment Part Number
Official replacement-reference entry
321-8968
Formatted Alias
Same primary number without hyphen; not a separate interchange
3218968
Caterpillar Equipment Reference
Cataloged equipment reference
382-6587
Letrika/Iskra Manufacturer Reference Family
Cataloged manufacturer references
11.132.187 / IS1294 / AZF4839
Mahle Catalog Reference
Cataloged aftermarket reference
MS 147
Industry Catalog Number
Independent catalog cross-reference only
31590
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
321-8968
Manufacturer number
11.132.187 / IS1294 / AZF4839
Formatting alias
3218968
Other documented relationship
382-6587
MS 147
31590
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
PLGR Starter Motor
Category
Excavator Starter Motors
Catalog ID
69539015
Photo views
3
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
5 model references
CAT Excavators: 312E / 312E L / 314E LCR / 314E SR / 316E L / 318E L
CAT Paving Examples: AP600F / AP655F
CAT Compactor Examples: CP54B-CP78B and CS54B-CS78B families
Published Engine: Caterpillar C4.4, 4.4L
Fitment Limitation: Confirm 321-8968, 24V/5.5kW label, 10 teeth, flange, terminals and 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 321-8968
Which machines use 321-8968?
Recorded compatible model references include CAT Excavators: 312E / 312E L / 314E LCR / 314E SR / 316E L / 318E L, CAT Paving Examples: AP600F / AP655F, CAT Compactor Examples: CP54B-CP78B and CS54B-CS78B families, Published Engine: Caterpillar C4.4, 4.4L, Fitment Limitation: Confirm 321-8968, 24V/5.5kW label, 10 teeth, flange, terminals and serial range. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 321-8968?
Manufacturer number: 11.132.187 / IS1294 / AZF4839. Formatting aliases for the same number: 3218968.
How do I confirm 321-8968 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.
