ECM Controllers & Monitors

198-1321 Electronic Control Module for Cat 12H 120H 140H 160H

Q: What numbers are documented for 198-1321?

Primary Cat Part Number: 198-1321. Same-number Formatting Variant: 1981321. Manufacturer-listed Reman Alternative: 10R-8102. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 198-1321 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.

198-1321 Electronic Control Module for Cat 12H 120H 140H 160H, OEM/reference 198-1321, Electronic Control Module / Control Group, product view 1

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

OEM / reference198-1321

SpecificationElectronic Control Module / Control Group

Catalog ID51133472

Electronic control module/control group identified by official Cat part number 198-1321. The manufacturer compatible-model record lists 12H, 120H, 135H, 140H, 143H, 160H and 163H motor graders, including published NA and ES variants. Cat lists 10R-8102 as the remanufactured ECM alternative. Five selected owned photographs come from the exact 198-1321 source record; the earlier 134-6553 gallery is removed.

Product Type: Electronic Control Module / Control Group
Programming: Machine-specific verification required
Condition: New replacement component

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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 Cat Part Number	Official control-group identity	198-1321
Same-number Formatting Variant	Search alias only	1981321
Manufacturer-listed Reman Alternative	Cat Reman electronic control module	10R-8102

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

198-1321

Manufacturer number

10R-8102

Formatting alias

1981321

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

Product summary

Electronic Control Module / Control Group

Category: ECM Controllers & Monitors
Catalog ID: 51133472
Photo views: 5

Before ordering

Confirm these details

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.
Confirm the exact machine model and serial range before ordering.

Machine fitment

Compatible model references

3 model references

Official Cat Motor Graders: 12H / 120H / 135H / 140H / 143H / 160H / 163H
Regional configurations: NA and ES variants listed by Cat
Fitment limitation: Confirm 198-1321, software/programming, connector layout and machine serial before shipment

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 198-1321

Which machines use 198-1321?

Recorded compatible model references include Official Cat Motor Graders: 12H / 120H / 135H / 140H / 143H / 160H / 163H, Regional configurations: NA and ES variants listed by Cat, Fitment limitation: Confirm 198-1321, software/programming, connector layout and machine serial before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 198-1321?

Manufacturer number: 10R-8102. Formatting aliases for the same number: 1981321.

How do I confirm 198-1321 before ordering?

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.

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