To be used with Allison Marine transmission models M15, M15L, M15R, M20, M20L, M20R, MH20, MH20L, MH20R, MH45, MH45L, and MH45RAlong with 5140478 Allison Hydraulic Pump Adaptor for M and MH and Detroit Diesel V71, V92 Engines5145282 COUPLING, HYDRAULIC PUMP DRIVEAllison Pump Adaptor Gasket for...