Home / Retail Showroom / Axle Parts / Spring Seat For 3in Round Axles 3-42 Spring Seat For 3in Round Axles 3-42 Spring seat for 3″ round axles. Welds on. Categories: Axle Parts, Retail Showroom Product ID: 3290 Related products U-Bolt Plate For 3in Round Axles 9/16in U-bolts 117521 Buy now DEXTER 23-181 ELECTRIC BRAKE ASSEMBLY RH 12″ 7K Buy now 2 5/8in Shackle Strap 115052 Buy now 1/2in-20 Plain Flanged Nut 12N Buy now