Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Caterpillar governor motor | 7Y-3913 |
| Related Control Group | Separate manufacturer assembly | 7Y-5558 |
| Same-number Formatting Variant | Search alias | 7Y3913 |
Excavator Throttle Motors
7 product photos · Swipe on mobile, or hover and select a thumbnail.
24V governor control motor documented by Caterpillar under part number 7Y-3913. The manufacturer catalog identifies the component as a governor control motor and lists 320-A, 320-A L and 320 L compatible models. Four exact owned product views show the dual-cable controller configuration. 7Y-5558 is retained separately as a related control group, not presented as an automatic direct interchange.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Caterpillar governor motor | 7Y-3913 |
| Related Control Group | Separate manufacturer assembly | 7Y-5558 |
| Same-number Formatting Variant | Search alias | 7Y3913 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
4 model references
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
Recorded compatible model references include Caterpillar excavator: 320-A, Caterpillar excavator: 320-A L, Caterpillar excavator: 320 L, Fitment limitation: Confirm complete number, cable ends, connector and machine serial. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 7Y3913. Related assembly numbers (not direct interchanges): 7Y-5558.
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
Continue comparing verified references from the same system.