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The Gates belt drive tensioner for 2018–2021 Peterbilt 579 with Paccar MX-13 diesel engines is made to serve the accessory belt routing for A/C and other driven components. It restores correct belt tension and alignment for smooth accessory operation and helps address wear-related noise or slippage when replacing a tired factory tensioner.
Gates 18-21 Peterbilt 579 Paccar MX-13 Diesel A.C. Belt Drive Tensioner
