Caterpillar Corporate Key Cylinder Lock 5P-8503 is a locks product that secures cab, panel or access-door assemblies. It is listed for Caterpillar heavy-equipment applications; use part number 5P-8503 as the primary identification reference.
- Part Number: 5P-8503
- Brand: Caterpillar
- Product Category: Locks
- Equipment Type: Wheel Tractor, Integrated Toolcarrier, Track Loader, Compactor, Wheel Dozer, Winch
- Compatible Models: 623E, 651E, 657E, 621E, 621S, 627E, 631E, 637E, IT18B, IT28, IT28B, IT18, 931C II, 935C, 935B, 931B, 931C, 935C II, 825C, 815B, 834B, 814B, 824C, 836, 826C, 816B, 518, 53, 120C, 125C
- Engine Models: Confirm by equipment serial number
- Condition: New
Fitment can vary by machine configuration and serial-number range. Compare the original part number, dimensions, connectors and mounting points before purchase.





