Starter Motors

EexcavaStart 428000-4120 12V 1.2kW 19T Starter Motor for Acura MDX

Q: What numbers are documented for 428000-4120?

Primary Manufacturer Part Number: 428000-4120. Search Format Alias: 4280004120. Interchange Reference: 31200-RYE-A01. Interchange Reference: DU4V1. Interchange Reference: SND0621. Interchange Reference: 410-52318. Interchange Reference: 19010. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 428000-4120 before ordering?

Match the complete part number, compare the connector or mounting arrangement with your original unit and the recorded specifications, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

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 / reference428000-4120

Specification12V 1.2kW 19T CCW Starter Motor

Catalog ID91003354

Product Type: Starter Motor
Product Brand: EexcavaStart
Item Condition: Aftermarket Part
Unit Type: Starter
Part Type: UNIT
Voltage: 12
Rotation: CCW
Teeth: 19
KW: 1.2
Starter Type: PMOSGR
Fits: ACURA MDX 3.7L 2007-09
Image Disclosure: 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

Relationship	Reference family	Number
Primary Manufacturer Part Number	DENSO	428000-4120
Search Format Alias	Formatting variant only	4280004120
Cross-reference (fitment check required)	ACURA	31200-RYE-A01
Cross-reference (fitment check required)	ACURA	DU4V1
Cross-reference (fitment check required)	ARROWHEAD	SND0621
Cross-reference (fitment check required)	ARROWHEAD	410-52318
Cross-reference (fitment check required)	J&N Electrical Products	410-52318
Cross-reference (fitment check required)	LESTER	19010

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

428000-4120

Formatting alias

4280004120

Cross-reference (fitment check required)

31200-RYE-A01
DU4V1
SND0621
410-52318
19010

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 1.2kW 19T CCW Starter Motor

Category: Starter Motors
Catalog ID: 91003354
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

6 model references

Acura MDX: Equipment type: Auto and Light Truck; Engine: 3.7L; Year: 2007
Acura MDX: Equipment type: Truck; Engine: 3664cc, 3.7L V6; Year: 2007
Acura MDX: Equipment type: Auto and Light Truck; Engine: 3.7L; Year: 2008
Acura MDX: Equipment type: Truck; Engine: 3664cc, 3.7L V6; Year: 2008
Acura MDX: Equipment type: Auto and Light Truck; Engine: 3.7L; Year: 2009
Acura MDX: Equipment type: Truck; Engine: 3664cc, 3.7L V6; Year: 2009

Fitment / evidence notes

Fitment limitation: Confirm the original part number, electrical rating, pinion or pulley, terminals, mounting geometry 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 428000-4120

Which machines use 428000-4120?

Recorded compatible model references include Acura MDX: Equipment type: Auto and Light Truck; Engine: 3.7L; Year: 2007, Acura MDX: Equipment type: Truck; Engine: 3664cc, 3.7L V6; Year: 2007, Acura MDX: Equipment type: Auto and Light Truck; Engine: 3.7L; Year: 2008, Acura MDX: Equipment type: Truck; Engine: 3664cc, 3.7L V6; Year: 2008, Acura MDX: Equipment type: Auto and Light Truck; Engine: 3.7L; Year: 2009, Acura MDX: Equipment type: Truck; Engine: 3664cc, 3.7L V6; Year: 2009. Recorded fitment/evidence notes: Fitment limitation: Confirm the original part number, electrical rating, pinion or pulley, terminals, mounting geometry and equipment serial range before ordering. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 428000-4120?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Formatting aliases for the same number: 4280004120.

How do I confirm 428000-4120 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.