1H5959 Seal, Oil Fits Caterpillar Models
1H5959 Seal, Oil Fits Caterpillar Models
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One New Aftermarket Replacement Lip Type Oil Seal for Caterpillar (Cat) Engines and Equipment
This lip type oil seal (also known as a pump shaft seal) replaces Caterpillar part number 1H-5959 and is used to hold pressure and prevent oil leakage in Caterpillar engines, generator sets, and heavy equipment applications. The seal features a 57.25mm outer diameter and fits a 36.53mm shaft, providing a reliable barrier against fluid loss in demanding service environments.
Specifications
- Part Type: Lip Type Oil Seal
- Outer Diameter: 57.25mm
- Shaft Diameter: 36.53mm
- Weight: approximately 0.05 - 0.1 lbs
Compatible Models
Caterpillar Engines: 3208, 3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3606, 3608, 3612, 3616, 3618, D315, D342, D399
Caterpillar Gas Engines: G342C, G3508, G3508B, G3512, G3516B
Caterpillar Generator Sets / Power Units: PP3516, SR4
Caterpillar Marine Engines: C175-16, C175-20, C280-6, C280-8, C280-12, C280-16
Caterpillar Equipment: 16, 977D
Replaces Part Number(s):
1H5959, 1H-5959, 4B4865
New aftermarket replacement part - not remanufactured, not used.



