Quick answer: The fastest reliable way to identify an electrical replacement part is to combine the complete OEM or manufacturer number with voltage, equipment and engine details, physical dimensions, terminal layout and clear photos. A visual match alone is not enough.
Reviewed by: EexcavaStart Parts Support · Updated August 19, 2026
What information should I send first?
Send the complete number from the existing unit, the equipment model, engine model, system voltage and clear photos of the label, mounting area, terminals and drive or pulley end. If the label is damaged, include measurements and every legible character.
Can an OEM number confirm the part by itself?
An OEM reference is the strongest starting point, but supersessions, regional variants and application changes can exist. The number should be checked together with the electrical specification and physical configuration.
What starter-motor details matter most?
- System voltage and rated power
- Rotation direction with the viewing convention stated
- Pinion tooth count and drive dimensions
- Mounting flange, hole pattern and nose length
- Solenoid position and terminal arrangement
- Equipment and engine application
What alternator details matter most?
- Voltage and rated current output
- Pulley type, groove count and diameter
- Mounting ears and adjustment geometry
- Connector type, terminal labels and regulator arrangement
- Rotation, fan design and application record
How do I distinguish a solenoid or relay?
Record voltage, terminal count, terminal markings, mounting style and the duty-cycle rating. Intermittent-duty and continuous-duty devices are not interchangeable simply because the terminals look similar.
Why are clear photos important?
Photos reveal the label, connector, flange, terminal clocking and physical differences that may be missing from a short number. Use even lighting, a plain background and separate close-ups rather than one distant image.
Can EexcavaStart guarantee fitment from a single photo?
No. A photo supports identification, but reliable review normally requires the part number and application details. When information is incomplete, we will identify which fields still need confirmation.
Where can I check technical procedures?
The EexcavaStart technical articles library contains detailed guides for starter rotation, pinion tooth count, voltage-drop testing, alternator verification, duty-cycle selection and parts photography.
Where can I search product references?
Use the EexcavaStart B2B technical catalogue to search available product records. Each record must still be checked against the existing unit and application.
What should a B2B inquiry include?
Include quantity, destination country, requested quality level, known OEM references, equipment and engine models, target delivery timing and any packaging or documentation requirements. Do not send payment details through a general inquiry form.
Need a fitment review?
Contact EexcavaStart with the OEM number, equipment model, engine details and clear photos. We will separate confirmed specifications from details that still require verification.
This page supports preliminary parts identification. Final selection should follow the equipment manufacturer’s service information and a qualified technician’s inspection.