Feature Used on Cummins B & C series engines & 3.9L, 5.9L, 6.7L & 8.3L liter turbo diesel used in Dodge pickups Allows you to manually rotate an engine Insert tool into the flywheel housing until it engages the ring gear, then attach a 1/2 in. square drive ratchet or breaker bar and turn Load bearing collar provides friction free operation while rotating the tool in the housing Replaces Cummins # 3824591A, 5299073 and OTC-7471A Product description .
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