Fits: D21A

Heavy Equipment Parts sprockets for Komatsu are precision engineered from high-grade alloy steel with heat treatment for maximum wear resistance. Designed as a direct OEM replacement to ensure correct chain engagement and extended service life.

Heavy Equipment Parts supplies a comprehensive range of excavator and earthmoving parts for all major brands including Komatsu, Hitachi, Caterpillar, Volvo, Kobelco, JCB, Kubota and more. All components are backed by a If you can’t see what you are looking for, please get in touch — we are constantly adding to our range.