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Starter Motors

Starter Motor 428000-6780 12V 19-Tooth for Acura MDX

EexcavaStart brand illustration; exact product photo pending for reference 428000-6780

EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.

OEM / reference428000-6780
Specification12V Starter Motor
Catalog ID91003355
Product Type
Starter Motor
Design
PMOSGR
Voltage
12V
Pinion Teeth
19
Condition
New replacement part
Gallery Representation
EexcavaStart neutral packaging illustration; exact product photo available on request
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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

RelationshipReference familyNumber
Primary Part NumberPrimary identity used for this catalog page428000-6780
Manufacturer / OEM ReferenceListed under Acura31200-R8A-A01
Manufacturer / OEM ReferenceListed under the exact-reference catalog31200-R8A-A01RM
Manufacturer / OEM ReferenceListed under the exact-reference catalog31200-RKG-A01
Manufacturer / OEM ReferenceListed under the exact-reference catalog31200-RYE-A71
Manufacturer / OEM ReferenceListed under the exact-reference catalog31200-RYE-A71RM
Manufacturer / OEM ReferenceListed under the exact-reference catalog31200RKGA01RM
Manufacturer / OEM ReferenceListed under the exact-reference catalog428000-8750
Manufacturer / OEM ReferenceListed under the exact-reference catalog428000-9360
Manufacturer / OEM ReferenceListed under Honda06312-R8A-505RM
Manufacturer / OEM ReferenceListed under the exact-reference catalog06312-RYE-506RM
Manufacturer / OEM ReferenceListed under the exact-reference catalogDUDVB
Cross-reference (fitment check required)Exact-reference catalog number19182N
Additional Source Reference - Verify ConfigurationRetained from the supplied catalog; compare the original unit031200-RYE-A71
Additional Source Reference - Verify ConfigurationRetained from the supplied catalog; compare the original unit2010-2013
Additional Source Reference - Verify ConfigurationRetained from the supplied catalog; compare the original unit2011
Additional Source Reference - Verify ConfigurationRetained from the supplied catalog; compare the original unit2013
Additional Source Reference - Verify ConfigurationRetained from the supplied catalog; compare the original unit2013-2016
Additional Source Reference - Verify ConfigurationRetained from the supplied catalog; compare the original unit31200-R8A

Product fitment guide

Part numbers and compatible models

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

Part identification

Reference numbers

Primary number
  • 428000-6780
Manufacturer number
  • 31200-R8A-A01
  • 31200-R8A-A01RM
  • 31200-RKG-A01
  • 31200-RYE-A71
  • 31200-RYE-A71RM
  • 31200RKGA01RM
  • 428000-8750
  • 428000-9360
  • 06312-R8A-505RM
  • 06312-RYE-506RM
  • DUDVB
Cross-reference (fitment check required)
  • 19182N
Other documented relationship
  • 031200-RYE-A71
  • 2010-2013
  • 2011
  • 2013
  • 2013-2016
  • 31200-R8A

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

12V Starter Motor

Category
Starter Motors
Catalog ID
91003355
Illustration views
1

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

7 model references

  • Acura MDX: 2010-2013; Engine V6 3.7L 3664cc
  • Acura RDX: 2013-2015; Engine V6 3.5L 3471cc
  • Acura RDX: 2016-2018; Engine V6 3.5L 3471cc J35Z2
  • Acura RL: 2011-2012; Engine V6 3.7L 3664cc
  • Acura ZDX: 2010-2013; Engine V6 3.7L 3664cc
  • Honda Odyssey: 2011-2013; Engine V6 3.5L 3471cc
  • Catalog coverage: Acura (2010-2018) ** Honda (2011-2013)

Fitment / evidence notes

  • Fitment limitation: Confirm the exact number, nameplate, mounting, terminal layout, rotation and pinion teeth against the original starter 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 428000-6780

Which machines use 428000-6780?

Recorded compatible model references include Acura MDX: 2010-2013; Engine V6 3.7L 3664cc, Acura RDX: 2013-2015; Engine V6 3.5L 3471cc, Acura RDX: 2016-2018; Engine V6 3.5L 3471cc J35Z2, Acura RL: 2011-2012; Engine V6 3.7L 3664cc, Acura ZDX: 2010-2013; Engine V6 3.7L 3664cc, Honda Odyssey: 2011-2013; Engine V6 3.5L 3471cc, Catalog coverage: Acura (2010-2018) ** Honda (2011-2013). Recorded fitment/evidence notes: Fitment limitation: Confirm the exact number, nameplate, mounting, terminal layout, rotation and pinion teeth against the original starter before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 428000-6780?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Manufacturer number: 31200-R8A-A01, 31200-R8A-A01RM, 31200-RKG-A01, 31200-RYE-A71, 31200-RYE-A71RM, 31200RKGA01RM.

How do I confirm 428000-6780 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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