Home / Heavy Machinery / Caterpillar Replacement Parts / 120-3975 – GASKET GP* CAT ALTERNATIVE PART 120-3975 – GASKET GP* CAT ALTERNATIVE PART SKU: 1203975-ALT Manufacturer: DSG Bulk Orders Competitive Pricing Short Lead Times Consolidated Shipping Prompt Response Request a Quote Description CAT Alternative Part Related products 032-9946 – GASKET, OIL PAN CAT ALTERNATIVE PART 032-9882 – O-RING CAT ALTERNATIVE PART 033-2381 – BEARING SET, MAIN .030 CAT ALTERNATIVE PART 003-2770 – O-RING 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