Part number lookup
D21S-5 Replacement Parts
Cross-reference and compare 3 replacement listings for OEM / aftermarket part number D21S-5. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
3 Matching Products
Part Numbers and Cross References
Applications and Fitment Summary
- Komatsu · s: Fit for Komatsu Dozer: D20A-5, D20P-5, D20P-5A, D20PL-5, D20Q-5, D20S-5, D21A-5, D21P-5, D21P-5A, D21PL-5, D21Q-5, D21S-5
- Part Number
- Isuzu Engine: 3LB1, 3LD1, 4LB1, 4LE1 Note: This original part does not offer returns or exchange service. Please confirm according to the correct part number instead of just a model.
- Cummins Engine: L10, M11 Note: This original part does not offer returns or exchange service.Please confirm according to the correct part number instead of just a model.
Frequently Asked Questions
What parts replace OEM number D21S-5?
This page lists 3 replacement listings indexed under D21S-5. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for D21S-5?
Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.
Can I request a quote if D21S-5 is not an exact match?
Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.