Home / Heavy Machinery / Caterpillar Replacement Parts / 1S3987 – GASKET GP CAT ALTERNATIVE PART 1S3987 – GASKET GP CAT ALTERNATIVE PART SKU: 1S3987-ALT Manufacturer: DSG Bulk Orders Competitive Pricing Short Lead Times Consolidated Shipping Prompt Response Request a Quote Description CAT Alternative Part Related products 030-3239 – RING CAT Alternative Part 032-8970 – SEAL, O-RING CAT Alternative Part DSG-0329090/91 – THRUST WASHER SET, STD. CAT Alternative Part 032-9946 – GASKET, OIL PAN CAT ALTERNATIVE PART Popular Brands Featured Categories Lubricants Safety Desiccant Breathers Ventilation Flame Detection Gas Detection Air Compressors Tools Valves Aids to Navigation Hoists Visual Oil Analysis