Caterpillar

Add Equipment

Select equipment to view parts that fit your equipment.
No Suggested Results

Select Store

Caterpillar

Add Equipment

To find the parts that fit.To find the parts that fit.
Search for part number or name

Select Store

Add Equipment

HomeHardware, Seals, & ConsumablesHardwareFastenersNuts558-9443: 1 3/16''-12 Hex Lock Nut
HomeHardware, Seals, & ConsumablesHardwareFastenersNuts558-9443: 1 3/16''-12 Hex Lock Nut
558-9443: 1 3/16''-12 Hex Lock Nut

Cat® Locknuts are specialized fasteners that prevent loosening caused by vibrations or external forces and are commonly used in various parts of the machine for secure connections

Brand: Cat

Product Images
558-9443: 1 3/16''-12 Hex Lock Nut
558-9443: 1 3/16''-12 Hex Lock Nut
558-9443: 1 3/16''-12 Hex Lock Nut
558-9443: 1 3/16''-12 Hex Lock Nut
558-9443: 1 3/16''-12 Hex Lock Nut

Cat® Locknuts are specialized fasteners that prevent loosening caused by vibrations or external forces and are commonly used in various parts of the machine for secure connections

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 558-9443

Units of Measure

USMetric
Thickness (mm): 10.4
Thickness (in): 0.409
Nut Type: Hex
Hand of Thread: RH
Material: Carbon Steel,Stainless Steel,Alloy Steel
Thread Size (dia x pitch) (mm): 1.1875x12
Thread Size (in): 0.047
Class or Grade: Austenitic S316
Drive (mm): 38.1
Thread Size (mm): 1.1875
Drive (in): 1.5
View More
Compatible Models for part number 558-9443

TRUCK

785G 797F 793F 785

OFF HIGHWAY TRUCK

789G 793 789 798 785 794 AC 796 AC 793F

ROTARY CUTTER

RC20

View More
KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced