ASAP Fasteners provides you one click purchasing solutions for part 39SB12 of Mack Trucks Inc Aerospace fasteners, aircraft bearing and mil-spec connector components. Please fill out below form with your desired quantity, your target price and the expected delivery dates for Mack Trucks Inc part 39SB12 of This part is described as Bearing Half, Sleeve. All fields are necessary which marked by *. Our knowledgeable staff assist you within 15 Minutes for part number 39SB12 quote.