This is a A-DR400A Clamp, Muffler PN: DR400AMain Description As Following : A-DR400A Clamp, Muffler P.N: DR400A Used W/ AR86599, RE20222, RE20224 Mufflers.Dim A (1): I.D.: 4.000" (Minimum)Dim B (2): I.D.: 4.180" (Maximum)Dim C (3): Width: 1.500"Dim D (4): Thickness: .109"Replaces: RE20223 Replaces: RE20223 JOHN DEERE , Crossed From: DR-400A STANLEY MUFFLER , 1417-8104 , Found in Section & Models : Mufflers/Exhaust Pipes > Muffler Clamps, John Deere GRADER: 670G, John Deere GRADER: 672G, John Deere GRADER: 770G, John Deere GRADER: 772G, John Deere GRADER: 870G, John Deere GRADER: 872G, John Deere TRACTOR: 4030, John Deere TRACTOR: 4050, John Deere TRACTOR: 4050 (SN 005732>), John Deere TRACTOR: 4055, John Deere TRACTOR: 4250, John Deere TRACTOR: 4250 (SN 009943>), John Deere TRACTOR: 4255, John Deere TRACTOR: 4320, John Deere TRACTOR: 4430, John Deere TRACTOR: 4440, John Deere TRACTOR: 4440 (Late SN), John Deere TRACTOR: 4450, John Deere TRACTOR: 4450 (SN 020467>), John Deere TRACTOR: 4455 Associated Items : New Also A-FRM-JD, A-JD-S-TM1055, A-SMJD50, A-SMJD203, A-FRM-JD, A-JD-O-OMR65532, A-JD-P-PC1295, A-JD-S-TM1057, A-JD-S-TM1172, A-SMJD50, A-JD-O-OMR65461, A-JD-S-TM1182, A-SMJD202, A-FRM-JD, A-JD-O-OMR65495, A-JD-P-PC1296, A-JD-S-TM1172, A-SMJD50, A-JD-O-OMR65463, A-SMJD202 And : Used W/ AR86599, RE20222, RE20224 Mufflers. Dim A (1): I.D.: 4.000" (Minimum) Dim B (2): I.D.: 4.180" (Maximum) Dim C (3): Width: 1.500" Dim D (4): Thickness: .109" Replaces: RE20223