Komatsu Parts
25,000+ products
Find Komatsu parts online by the original part number. WQC Parts supplies aftermarket Komatsu replacement parts and helps source parts by quotation. If you need to identify the number first, use the illustrated catalog or send your machine and serial details.
Find the specific part you need
- Know the part number? Search by part number and check the product application before ordering.
- Need to identify it? Read the selection and fitment guide. Open the illustrated Komatsu parts catalog when an applicable diagram is available.
- Not listed for purchase? Request a parts quote with the full machine model, serial number, part number and quantity. Availability and the offered replacement are confirmed in the quotation.
Shop Komatsu parts by equipment
Browse replacement parts for these machine types:
- Komatsu excavator parts
- Komatsu bulldozer parts
- Komatsu wheel loader parts
- Komatsu motor grader parts
Shop Komatsu parts by system and repair
Find components and service kits for your repair:
- Komatsu engine parts
- Komatsu hydraulic parts
- Komatsu transmission parts
- Komatsu pins & bushings
- Komatsu service kits
Choose the correct replacement part
Start with the original part number. Before ordering, check the product listing against your machine and the part you need:
- Part number
- Machine model and serial range
- Component location
- Any configuration notes shown on the product page
Similar descriptions do not guarantee interchangeability.
Need help identifying the correct part?
Read the Komatsu Parts selection and fitment guide for model, serial and part-number checks before ordering.