Inside out Riley vs Inside out 2 Riley by LahikaAnwar on DeviantArt Fits Caterpillar NUT SPROCKET 7H3608 NEW. One New Aftermarket Replacement Sprocket Nut Fits Caterpillar (Fits CAT) Construction Equipment This aftermarket replacement sprocket nut (hex nut, plain hexagon style) Fits Caterpillar (Fits CAT) OEM part number 7H3608. Featuring a 3 4" 16 thread specification, this nut is used to secure sprocket segments on undercarriage assemblies across a wide range of Fits Caterpillar track type tractors, pipelayers, wheel tractor scrapers, earthmoving compactors, track type loaders, and asphalt pavers. Specifications Thread: 3 4" 16 Style: Plain hex nut (thick hex) Weight: 0. 1 lbs (approx.) Dimensions: approx. 0. 87 x 0. 87 x 0. 79 in. Compatible Models Fits Caterpillar Track Type Tractors: D6G, D6G2 LGP, D6G2 XL, D7F, D7G, D7G2, D7H, D7R, D7R II, D7R LGP, D7R XR, D8L, D8N, D8R, D8R II, D8T Fits Caterpillar Pipelayers: 571G, 572G, 572R, 572R II, 578, 583R, 583T, 587R, 587T, PL83, PL87 Fits Caterpillar Wheel Tractor Scrapers: 613, 613B, 613C, 613C II, 639D Fits Caterpillar Track Type Loaders: 973, 973C, 973D, 977A, 977D, 977H, 977K, 977L Fits Caterpillar Earthmoving Compactors: 815, 815B, 816, 816B Fits Caterpillar Asphalt Pavers: AP 1000B, AP 1000D, AP 1000E, AP 1055B, BG 260C, BG 260D, BG 1000E, BG 2455C Fits Caterpillar Engine Generator Set: 3512C Replaces Part Number(s): 7H3608, 7H3608 A, 7H 3608 New aftermarket replacement part not remanufactured, not used.