Features: 1. Wide Compatibility: Fit for PACCAR MX, PACCAR MX PMCI-2, PACCAR MX-13 PCI and PACCAR MX-13 Engine Barring Flywheel Cranking Turning Tool. Rotating tool works on Cummins B and C series diesel engines and 3.9L 5.9L 6.7L&8.3L diesels used in pickups 2. Replacement: Replace for 1453158PE & 1453158, Replaces for # 3824591A, 5299073 and 7471A 3. Great Peaformance: Works perfectly for barring over the engine to make clutch adjustments.This engine barring tool fits the flex plate teeth perfectly, and its load-bearing collar provides friction-free operation while rotating the tool in the housing .