Part identification
Reference numbers
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ECM Controllers & Monitors
CAT ECU Controller 132-2148 for Motor Grader 120H 140H. Reference numbers: 132-2148, 1322148, CA1322148. Documented equipment or engine fitment includes 120H, 140H, Caterpillar CAT Motor Grader: 120H, 120H ES, 120H NA, 12H, 12H ES, 12H NA. Compare the complete part number, electrical rating, connector or mounting configuration, and machine serial range before ordering.
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Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Search with or without hyphens. Match the complete number on the original part.
Product summary
Before ordering
Machine fitment
50 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 120H, 140H, Caterpillar CAT Motor Grader: 120H, 120H ES, 120H NA, 12H, 12H ES, 12H NA and 42 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.
The recorded reference family includes 132-2148, 1322148, CA1322148.
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.
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