Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | CAT C7 Tier III sensor harness | 381-2499 |
| Formatted Alias | Unhyphenated search format | 3812499 |
Excavator Engine Parts
381-2499 C7 Tier III Sensor Harness for CAT 324D 325D 329D
7 product photos · Swipe on mobile, or hover and select a thumbnail.
OEM / reference381-2499
SpecificationC7 Tier III Sensor Wiring Harness
Catalog ID74150524
Heat-resistant C7 Tier III sensor harness identified by equipment part number 381-2499. Caterpillar describes it as a control harness that carries signals and electrical power between the ECM and steering system. Listed applications include 324D, 325D, 326D, 328D and 329D excavator families. Confirm the engine tier, connector keying and machine serial prefix.
- Product Type
- Sensor Wiring Harness
- Product Brand
- EexcavaStart
- Engine Platform
- CAT C7 Tier III
- Harness Attribute
- Heat resistant
- Circuit Function
- ECM to steering-system signals and power
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
Formatting alias
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
C7 Tier III Sensor Wiring Harness
- Category
- Excavator Engine Parts
- Catalog ID
- 74150524
- Photo views
- 7
Before ordering
Confirm these details
- 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.
Machine fitment
Compatible model references
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
Common questions about 381-2499
Which machines use 381-2499?
Recorded compatible model references include Excavator family: 324D / 324D L / 324D LN / 325D / 325D L / 326D L / 328D LCR / 329D / 329D L / 329D LN, Additional manufacturer-listed equipment: M325D / 950H / 962H / 525C / 535C / 545C, Fitment limitation: Confirm 381-2499, C7 Tier III configuration, connector keying and machine serial prefix. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 381-2499?
Formatting aliases for the same number: 3812499.
How do I confirm 381-2499 before ordering?
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.
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