The Muncie 12T42077 is a genuine O-Ring service part for the Muncie FR67 Series Power Takeoff, as identified in Muncie Power Products’ own SP11-05 service parts documentation. O-rings are critical sealing components in PTO assemblies, preventing fluid loss at mating surfaces and maintaining proper operating pressure within the unit. Sourced directly through Pro Gear and Transmission, this part carries Muncie’s own part number and FR67 Series designation. Call us to confirm proper fit before ordering if you need help identifying your PTO series.FeaturesGenuine Muncie Power Products service partPart number: 12T42077Designated for FR67 Series PTO applicationsIdentified in Muncie service document SP11-05 (FR63-64-67 Series PTO)Sold by Pro Gear and TransmissionTech SpecsPart Number: 12T42077Part Type: O-RingApplication Series: FR67 Series Power TakeoffSource Document: Muncie SP11-05 (FR63-64-67 Series PTO)Used in these Muncie PTO modelsFR63 SeriesFR64 SeriesFR67 Series