Excavator Starter Motors

482-3187 24V 5.5kW 10-Tooth Starter Motor for Caterpillar 312E L, 312E and 314E CR

Q: What numbers are documented for 482-3187?

Primary Part Number: 482-3187. Formatted Alias: 4823187. Independent Catalog Number: 31176N. Cataloged Manufacturer Family: DENSO. Industry Catalog Number: 31176. Cataloged Replacement-Reference Family: Caterpillar 482-3187, Denso 438000-3770. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 482-3187 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.

482-3187 24V 5.5kW 10-Tooth Starter Motor for Caterpillar 312E L, 312E and 314E CR, OEM/reference 482-3187, Starter Motor, product view 1

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OEM / reference482-3187

SpecificationStarter Motor

Catalog ID82465476

482-3187 is an exact product reference in the reviewed official electrical catalog. The catalog specifies 24V, 5.5kW, 10-tooth, CW, PLGR for selected Caterpillar 312E L, 312E, 314E CR applications. Compare the complete reference, electrical label, mounting, terminals, drive or pulley and the retained EexcavaStart product photographs with the original unit before ordering.

Product Type: Starter Motor
Voltage: 24 V
Rated Power: 5.5 kW
Pinion Teeth: 10
Rotation: CW
Design Family: PLGR
Condition: New replacement part

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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 Part Number	Exact reviewed reference	482-3187
Formatted Alias	Same reference without punctuation; not a separate interchange	4823187
Independent Catalog Number	Catalog cross-reference number; not an OEM number	31176N
Cataloged Manufacturer Family	Manufacturer family stated by the official record	DENSO
Industry Catalog Number	Independent cross-reference only	31176
Cataloged Replacement-Reference Family	Official grouped replacement family; confirm manufacturer context and suffix before substitution	Caterpillar 482-3187, Denso 438000-3770

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

482-3187

Manufacturer number

DENSO

Formatting alias

4823187

Other documented relationship

31176N
31176
Caterpillar 482-3187, Denso 438000-3770

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: 82465476
Photo views: 2

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

4 model references

Caterpillar published applications — group 1: 312E L (2012-2019) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 312E (2012-2025) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 314E CR (2013-2019) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 314E LCR (2013-2019) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 314E SR (2012-2024) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 316E L (2012-2017) — L4 4.4L 269cid Caterpillar C4.4 / 318E L (2012-2017) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / M314F (2016-2020) — L4 4.4L 269cid Caterpillar C4.4
Caterpillar published applications — group 2: M315F (2017-2021) — L4 4.4L 269cid Caterpillar C4.4 / M316F (2017-2020) — L4 4.4L 269cid Caterpillar C4.4 / M317F (2017-2021) — L4 4.4L 269cid Caterpillar C4.4 / M318F (2017-2020) — L6 7.0L 428cid Caterpillar C7.1 / M319 (2020-2024) — L4 4.4L 269cid Caterpillar C4.4 / M320D2 (2017-2023) — L6 7.0L 428cid Caterpillar C7.1 / M320F (2017-2021) — L6 7.0L 428cid Caterpillar C7.1 / M322F (2016-2019) — L6 7.0L 428cid Caterpillar C7.1
Caterpillar published applications — group 3: M323F (2017-2021) — L4 4.4L 269cid Caterpillar C4.4 / M324D (2014-2022) — L6 7.0L 428cid Caterpillar C7.1 / MH3022 (2018-2024) — L6 7.0L 428cid Caterpillar C7.1 / MH3024 (2018-2024) — L6 7.0L 428cid Caterpillar C7.1 / MH3026 (2018-2024) — L6 7.0L 428cid Caterpillar C7.1 / MH3037 (2018-2024) — L6 7.0L 428cid Caterpillar C7.1
Fitment limitation: Confirm the complete part number, electrical rating, rotation, drive or pulley, mounting, terminals and equipment serial range before ordering.

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 482-3187

Which machines use 482-3187?

Recorded compatible model references include Caterpillar published applications — group 1: 312E L (2012-2019) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 312E (2012-2025) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 314E CR (2013-2019) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 314E LCR (2013-2019) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 314E SR (2012-2024) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / 316E L (2012-2017) — L4 4.4L 269cid Caterpillar C4.4 / 318E L (2012-2017) — L4 4.4L 269cid C4.4; L4 4.4L 269cid Caterpillar C4.4 / M314F (2016-2020) — L4 4.4L 269cid Caterpillar C4.4, Caterpillar published applications — group 2: M315F (2017-2021) — L4 4.4L 269cid Caterpillar C4.4 / M316F (2017-2020) — L4 4.4L 269cid Caterpillar C4.4 / M317F (2017-2021) — L4 4.4L 269cid Caterpillar C4.4 / M318F (2017-2020) — L6 7.0L 428cid Caterpillar C7.1 / M319 (2020-2024) — L4 4.4L 269cid Caterpillar C4.4 / M320D2 (2017-2023) — L6 7.0L 428cid Caterpillar C7.1 / M320F (2017-2021) — L6 7.0L 428cid Caterpillar C7.1 / M322F (2016-2019) — L6 7.0L 428cid Caterpillar C7.1, Caterpillar published applications — group 3: M323F (2017-2021) — L4 4.4L 269cid Caterpillar C4.4 / M324D (2014-2022) — L6 7.0L 428cid Caterpillar C7.1 / MH3022 (2018-2024) — L6 7.0L 428cid Caterpillar C7.1 / MH3024 (2018-2024) — L6 7.0L 428cid Caterpillar C7.1 / MH3026 (2018-2024) — L6 7.0L 428cid Caterpillar C7.1 / MH3037 (2018-2024) — L6 7.0L 428cid Caterpillar C7.1, Fitment limitation: Confirm the complete part number, electrical rating, rotation, drive or pulley, mounting, terminals and equipment serial range before ordering.. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 482-3187?

Manufacturer number: DENSO. Formatting aliases for the same number: 4823187.

How do I confirm 482-3187 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.