This is a Brand New Premium Quality Engine Overhaul Gasket Set, it replaces the original Engine Overhaul Gasket Set. It is for the John Deere 6.101A/T EARLY and the 6.619A/T Diesel Engines. Please check Application, Engine Serial Number. And Block Casting Number Below. John Deere DIESEL ENGINE : 6.101A – Up to ESN # 499999. John Deere DIESEL ENGINE : 6.101T – Up to ESN # 499999. John Deere DIESEL ENGINE : 6.619A/T. John Deere BACKHOE : 855 (w/ 6.619A/T – Block Casting Number Below). John Deere CRAWLER : 850 (w/ 6.619A/T – Block Casting Number Below). John Deere EXCAVATOR : 890 (w/ 6.619A/T – Block Casting Number Below). John Deere EXCAVATOR : 890A (w/ 6.619A/T – Block Casting Number Below). John Deere EXCAVATOR : 992D (w/ 6.619A/T – Block Casting Number Below). John Deere EXCAVATOR : 992E (w/ 6.619A/T – Block Casting Number Below). John Deere SCRAPER : 762 (w/ 6.619A/T – Block Casting Number Below). John Deere SCRAPER : 860B (w/ 6.619A/T – Block Casting Number Below). John Deere SCRAPER : 862 (w/ 6.619A/T – Block Casting Number Below). John Deere TRACTOR : 8630 (w/ 6.619A/T – Block Casting Number Below). John Deere TRACTOR : 8640 (w/ 6.619A/T – Block Casting Number Below). John Deere TRACTOR : 8650 (w/ 6.619A/T – Block Casting Number Below). John Deere TRACTOR : 8760 (w/ 6.101A/T – Up to ESN # 499999 – Block Casting Number Below). John Deere TRACTOR : 8870 (w/ 6.101A/T – Up to ESN # 499999 – Block Casting Number Below). John Deere WHEEL LOADER : 744E (w/ 6.619A/T – Block Casting Number Below). Replaces OEM Part Number : RE37416. Diesel – Turbo. Bore : 5.125 (130mm). Wrist Pin Diameter : 2.00 (50.8mm). 6.101A/T EARLY Connecting Rod Forging # R63959. 6.619A/T Connecting Rod Forging # R63959, R66925, R57484. 6.101A/T EARLY Block Casting #. R75934, R87552, R88217, R98554 or R105739. 6.619A/T Block Casting # R57424, R72130, R74123. TractorPartsDirect has a full line of tractor parts and accessories available.