CAT C18 Parts Manual

About CAT C18 Parts Manual

CAT C18 is one of Caterpillar's most popular excavators. This parts manual covers 19870 part numbers across 14 systems — engine, hydraulic, cooling, electrical, undercarriage and more. Each part lists its number, name and quantity per assembly, directly from official CAT parts book data.

Need a price for any C18 part? Send the part number and our team returns genuine / reman / OEM options within 24 hours.

Popular Parts

• 298-3929 — RETAINER-GLASS(CM)
• 298-3929 — RETAINER-GLASS(CM)
• 238-4743 — WASHER (10.5X21X1.25-MM THK)
• 238-4743 — WASHER (10.5X21X1.25-MM THK)
• 6V-5839 — WASHER-HARD
• 144-7183 — RING-RETAINING
• 144-7183 — RING-RETAINING
• 298-3929 — RETAINER-GLASS