KOMATSU PC300-7 BEARING NEW AFTERMARKET 207-27-71330. All internal hydraulic parts offered are brand-new and unused unless otherwise stated, manufactured to meet or exceed OEM specifications for quality, fit, and performance. Designed for precise operation and long service life, these new internal hydraulic parts help restore efficiency and performance to your hydraulic system. We also house a vast selection of gently used older parts. Not seeing your part listed?