Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Official Cat control-group reference | 143-9634 |
| Same-number Formatting Alias | Search alias only | 1439634 |
ECM Controllers & Monitors
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143-9634 is documented by Caterpillar as a discontinued control group for 12H, 120H, 135H, 140H and 160H motor graders, including regional NA and ES variants. The manufacturer page does not publish connector, voltage or software details. Confirm the complete 143-9634 number, enclosure and connector layout, calibration requirements and machine serial range before ordering a replacement.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Official Cat control-group reference | 143-9634 |
| Same-number Formatting Alias | Search alias only | 1439634 |
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
3 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 Motor graders: Cat 12H / 120H / 135H / 140H / 160H, Regional variants: NA and ES variants listed by manufacturer, Fitment limitation: Confirm part number, connector layout, calibration and serial range. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 1439634.
Match the complete part number on the original component label. Compare the front layout and visible configuration with the product photos. Compare connector count, connector shape and keying before installation. Send clear photos of the original unit and connector layout when requesting a quote.
Continue comparing verified references from the same system.