The Muncie Spring Retainer, part number 28T37634, is a genuine Muncie Power Products service part measuring 1.066 inches in length. This retainer is referenced in Muncie’s own service-parts documentation (SP96-02) as a direct replacement component for Muncie PTO units. The 1.066-inch length is the defining dimensional spec for this retainer, making it important to confirm this matches your application before ordering. Pro Gear and Transmission carries genuine Muncie service parts. Call us to confirm this is the correct retainer for your specific PTO unit.FeaturesGenuine Muncie Power Products spring retainerPart number 28T376341.066 inches in lengthReferenced in Muncie service documentation SP96-02Direct OEM replacement for Muncie PTO unitsTech SpecsLength: 1.066 in.Part Number: 28T37634Manufacturer: Muncie Power ProductsSource Document: SP96-02