Caterpillar
Dowel for Caterpillar 3508
This dowel pin ensures precise alignment of engine components within the Caterpillar 3508 power unit. It maintains the intended geometry of the assembly during installation.
Compatible models
Specifications
- Part number
- 8N-4387
- Brand
- Caterpillar
The 8N-4387 dowel pin serves as a precision alignment component during the assembly of Caterpillar engine systems. Its primary function is to secure the exact positioning of two or more adjacent parts, ensuring that mounting holes for fasteners remain perfectly aligned and preventing relative movement between engine sections.
This component is designed for use in the Caterpillar 3508 engine. It is commonly utilized in applications where maintaining the structural geometry of the engine block, bearing caps, or gear housings is necessary for proper operation. By facilitating accurate fitment, this dowel pin helps prevent mechanical stresses that could otherwise arise from component misalignment.
Dowel pins are used throughout heavy machinery to establish a reference point for mating surfaces. By providing a fixed location for connecting parts, they ensure that the assembly remains true to its original design specifications. This alignment is necessary for the correct function of internal engine systems, as it helps maintain the intended clearances and load distribution across the drivetrain and housing assemblies.

