One New Aftermarket Replacement Equalizer Bar End Pin Fits Caterpillar (Fits CAT) D5M and D5N Series Crawler DozersThis aftermarket replacement pin secures the end of the equalizer bar on Fits Caterpillar (Fits CAT) D5 series track-type tractors. The equalizer bar end pin is a critical undercarriage suspension component -- it connects the equalizer bar to the roller frame, allowing the front roller frames to flex independently over uneven terrain and maintaining balanced track contact with the ground. Two end pins are used per machine. Fits Caterpillar OEM part number 1090380 (also referenced as 109-0380).Compatible ModelsFits Caterpillar D5M Series: D5M XL, D5M LGPFits Caterpillar D5N Series: D5N XL, D5N LGPReplaces Part Number(s):1090380, 109-0380, 8G3733, HIM30-0011New aftermarket replacement part - not remanufactured, not used.