Excavator Engine Parts

222-5917 HEUI ECM Harness for CAT C7 324D 325D 329D

Q: What numbers are documented for 222-5917?

Primary Equipment Part Number: 222-5917. Formatted Alias: 2225917. Service Replacement - Serial Range Applies: 520-1511. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 222-5917 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

222-5917 HEUI ECM Harness for CAT C7 324D 325D 329D, OEM/reference 222-5917, HEUI ECM Wiring Harness, product view 1

1 / 6

6 product photos · Swipe on mobile, or hover and select a thumbnail.

OEM / reference222-5917

SpecificationHEUI ECM Wiring Harness

Catalog ID89841977

CAT 222-5917 heat-resistant ECM harness for HEUI engines. The manufacturer lists C7 engine applications and 324D, 325D, 326D, 328D and 329D excavator families. A Caterpillar service bulletin also records 520-1511 as a later direct replacement for specified C7 serial ranges. Confirm the engine serial, connector keying and service-bulletin scope.

Product Type: HEUI ECM Wiring Harness
Product Brand: EexcavaStart
Engine Control System: HEUI
Circuit Function: Signals and electrical power to the ECM and injectors

Send email inquiry Ask on WhatsApp Return to catalog

Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	CAT HEUI ECM harness	222-5917
Formatted Alias	Unhyphenated search format	2225917
Service Replacement - Serial Range Applies	Caterpillar bulletin M0080415	520-1511

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

222-5917

Formatting alias

2225917

Other documented relationship

520-1511

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

HEUI ECM Wiring Harness

Category: Excavator Engine Parts
Catalog ID: 89841977
Photo views: 6

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

4 model references

Engine: CAT C7
Excavator family: 324D / 324D LN / 325D / 325D L / 326D L / 328D LCR / 329D / 329D L / 329D LN
Material handler: M325D MH / M325D L MH
Fitment limitation: Confirm 222-5917, C7 engine serial, HEUI arrangement, connector keying and the M0080415 replacement serial range

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 222-5917

Which machines use 222-5917?

Recorded compatible model references include Engine: CAT C7, Excavator family: 324D / 324D LN / 325D / 325D L / 326D L / 328D LCR / 329D / 329D L / 329D LN, Material handler: M325D MH / M325D L MH, Fitment limitation: Confirm 222-5917, C7 engine serial, HEUI arrangement, connector keying and the M0080415 replacement serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 222-5917?

Formatting aliases for the same number: 2225917.

How do I confirm 222-5917 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.

Continue comparing verified references from the same system.

Browse this category