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366-8821 221-8874 3668821 24V ECM Controller for CAT E320D E330D, OEM/reference 366-8821 221-8874 3668821 · CAT E320D E330D, 24V, product view 1

5 verified product photos · Select a thumbnail to change the main image.

Controllers & Displays

366-8821 221-8874 3668821 24V ECM Controller for CAT E320D E330D

OEM / reference366-8821 221-8874 3668821 · CAT E320D E330D
Specification24V
Catalog ID51134098

24V reference 366-8821 221-8874 3668821. Compatibility references include 3512, 307D, 308D and 72 additional models listed below. Compare the part number, connector layout, mounting points and the original unit before ordering; machine serial range can affect fitment.

OEM
366-8821 221-8874 3668821
Feature
ECM Controller
VDC
24V
Engine Model
CAT E320D E330D
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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

  • 366-8821
  • 20R-2323
  • 386-3457
  • 153-2620
  • 153-2630
  • 111-9916
  • 3J-1907
  • 221-8874
  • 3668821
  • 366-8821 221-8874 3668821

Search with or without hyphens. Match the complete number on the original part.

Product summary

24V

Category
Controllers & Displays
Catalog ID
51134098
Photo views
5

Before ordering

Confirm these details

  • Match the complete part number on the original controller label.
  • Compare the front-panel button layout and display position with the product photos.
  • Compare the rear connector count, connector shape and keying before installation.
  • Confirm the exact machine model and serial range; model-family names alone are not sufficient.

Machine fitment

Compatible model references

75 model references

  • 3512
  • 307D
  • 308D
  • M330D
  • 312D2 GC
  • 312D2
  • 311D LRR
  • 312D L
  • 320D2 GC
  • 325D FM
  • 345D L
  • 324D FM LL
  • 349D L
  • 330D MH
  • 328D LCR
  • 329D LN
  • 325D FM LL
  • 314D LCR
  • 329D L
  • 325D L
  • 320D
  • 320D LN
  • 324D FM
  • 336D
  • 324D
  • 312D
  • 320D GC
  • 349D2 L
  • 349D2
  • 319D L
  • 315D L
  • 325D MH
  • 320D2
  • 336D2 L
  • M325D MH
  • 320D LRR
  • 330D LN
  • 318D2 L
  • 314D CR
  • 326D L
  • 340D2 L
  • 321D LCR
  • 336D L
  • 374D L
  • 323D
  • 390D
  • 336D2
  • 318D L
  • 320D L
  • 312D2 L
  • 313D2
  • 320D FM
  • 323D SA
  • 330D
  • 320D RR
  • 345D L VG
  • 320D2 L
  • 324D LN
  • 390D L
  • 336D LN
  • 313D2 LGP
  • 319D LN
  • 336D2 GC
  • 340D L
  • 323D L
  • 323D LN
  • M325D L MH
  • 329D
  • 349D
  • 324D L
  • 330D L
  • 330D FM
  • 325D
  • 313D
  • 345D

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

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