The Dana Spicer companion flange, part number 4220654, is designed for off highway axle applications and is also cross-referenced under Allison Off Highway as LY4220654. This unit falls within the transmission components category, specifically covering auxiliary transmission cover assemblies. The flange connects the driveline to the axle or transmission output, a critical junction point in off highway equipment drivetrains. Sold by Pro Gear and Transmission as a genuine Dana Spicer part. Call us to confirm proper fit for your specific application before ordering.FeaturesDana Spicer part number 4220654Cross-referenced as Allison Off Highway LY4220654Designed for off highway axle applicationsFalls within the auxiliary transmission cover component categorySold individually (each) by Pro Gear and Transmission