8S1491 Special Camshaft Nut for Caterpillar

8S1491 is a special camshaft nut used in Caterpillar equipment and engine applications. It is a hardware component identified as part of camshaft kit 5R1425. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for Caterpillar articulated dump trucks, Challenger vehicles, earthmoving compactors, and engine machines. The available fitment information identifies the equipment models and engine application listed below.

Fitment

• Caterpillar D250E articulated dump truck
• Caterpillar D250E II articulated dump truck
• Caterpillar D300E articulated dump truck
• Caterpillar D300E II articulated dump truck
• Caterpillar 65C Challenger vehicle
• Caterpillar 65D Challenger vehicle
• Caterpillar 816F earthmoving compactor
• Caterpillar 815B earthmoving compactor
• Caterpillar 815F earthmoving compactor
• Caterpillar 3204 engine application

Fitment should be checked against the equipment model and the part number specified for the particular machine configuration. The listed models represent the applications provided for part number 8S1491; no additional model applications are specified in the available product data.

Cross-reference numbers

8S1491 is the identification number of the nut. The nut is listed as a component of kit 5R1425, so the kit number may appear in parts documentation where the complete camshaft kit is referenced.

Specifications

The component is supplied as a special camshaft nut identified by SKU 8S1491. The available data does not specify the thread size, material grade, surface finish, tightening torque, or whether additional fasteners are included; these parameters are therefore not listed as specifications for this part.