Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Cat Part Number | Official digital-camera record | 634-0538 |
ECM Controllers & Monitors
3 product photos · Swipe on mobile, or hover and select a thumbnail.
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.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Cat Part Number | Official digital-camera record | 634-0538 |
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. 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
Before ordering
Machine fitment
2 model references
Fitment / evidence notes
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 Excavator Examples: 320, 323, 324, 325, 326, 330, 333, 335, 336, 340, 345, 349, 350, 352, 355, 374 and 395 families, Other Published Equipment: Selected Cat wheeled excavators, material handlers, dozers, loaders, graders, articulated trucks, pipelayers and forestry machines. Recorded fitment/evidence notes: Fitment Limitation: Confirm 634-0538, 12V system, two-wire Ethernet connectors, mounting and machine serial range. Confirm the complete part number and machine serial range before ordering.
No alternate number is listed for 634-0538. Send the original nameplate for an alternate-number check.
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.