Part number lookup
D39EX-21 Replacement Parts
Cross-reference and compare 4 replacement listings for OEM / aftermarket part number D39EX-21. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
4 Matching Products
KomatsuA/C Condenser 11Y-979-4831 for Komatsu Crawler Dozer D31PX-21 39PX-21A D31EX-21 D37PX-21 D37EX-21 D37EX-21A$375.00
KomatsuAir Conditioner Controller 20Y-979-3170 for Komatsu Engine SAA6D140E-3 Excavator PC200-6 PC200LC-6 PC210-6 PC210LC-6 PC220LC-6 C270LC-6$462.00
KomatsuAir Conditioning Compressor 20Y-979-3111 for Komatsu Bulldozer D31PX-21 D39PX-21 D37PX-21 D31EX-21 D39EX-21 D37EX-21$290.00
KomatsuCabin Air Filter 203-979-6840 for Komatsu Excavator PC120-6 PC100-6 PC130-6 PC200-6S PC220-6Z PC300-6 PC350-6 PC400-6 PC450-6Z PC60-7$19.00Part Numbers and Cross References
Applications and Fitment Summary
- Komatsu · s: Fit for Komatsu Crawler Dozer: D31EX-21A-M, D31PX-21A-M, D31PX-21A, D31PX-21, D31EX-21, D39PX-21A, D39PX-21A-M, D39PX-21, D37PX-21, D39EX-21A, D39EX-21, D39EX-21A-M, D37EX-21, D37PX-21A-M, D37PX-21A, D37EX-21A-M, D37EX-21A
- Komatsu · Komatsu Bulldozer D31PX-21 D39PX-21 D37PX-21 D31EX-21 D39EX-21 D37EX-21
Frequently Asked Questions
What parts replace OEM number D39EX-21?
This page lists 4 replacement listings indexed under D39EX-21. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for D39EX-21?
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 D39EX-21 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.