- Cylinder Rebuild/Repair Seal Kit for Caterpillar Model 931C & 931C II Crawler Loader
- All Serial Numbers (2BJ1-UP; 5LG1-UP; 6RF1-UP; 7HF1-UP; 8AF1-UP; 2AK1-UP; 6AJ1-UP; 9AG1-UP)
- Cylinder #: 3G5905, 8J5642
- Rod: 2-1/4"
- Bore: 3-1/2"
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