The Muncie 278210100 is a genuine Muncie Power Takeoff gear housing for Z46 series PTO units, dimensioned at 5.0 inches wide by 5.9 inches tall. This housing is the structural core of the PTO assembly, enclosing and supporting the gear train. Muncie PTOs are widely used on heavy-duty trucks and vocational vehicles, and the gear housing is a critical replacement part when the original is damaged or worn. Pro Gear and Transmission carries this genuine Muncie component. Call us to confirm proper fit for your specific PTO configuration before ordering.FeaturesGenuine Muncie part number 278210100Z46 series PTO applicationGear housing dimensions: 5.0 inches wide x 5.9 inches tallReplaces or repairs the structural gear enclosure on Muncie Z46 PTO unitsSold by Pro Gear and TransmissionTech SpecsPart Number: 278210100Series: Z46Housing Width: 5.0 in.Housing Height: 5.9 in.Part Type: Gear HousingBrand: Muncie