The A & I Products AT86990 Major Overhaul Kit is a comprehensive solution for engine restoration, ideal for agricultural machinery. This kit includes all necessary components for a complete overhaul, ensuring optimal performance and longevity. It features high-quality gaskets, seals, and bearings, all manufactured to meet or exceed OEM specifications. Designed for easy installation, this overhaul kit is compatible with a range of engine models, making it a versatile choice for mechanics and DIY enthusiasts alike. Enhance your engine's efficiency and reliability with this all-in-one overhaul solution.
| Engine Overhaul Kits > 4.276D Diesel, 300 Series |
| John Deere INDUSTRIAL/CONSTRUCTION: 410C (NON-TURBO) |
| John Deere TRACTOR: 2630 |
| John Deere TRACTOR: 2640 |
| Group Description | Component | Size / Desc | Qty |
| Piston Liner Kit | A-RE19831 | | 4.00 |
| Bearing, Main | A-RE27352 | STD | 4.00 |
| A-RE27353 | .010 | 4.00 |
| A-RE27360 | .020 | 4.00 |
| A-RE27368 | .030 | 4.00 |
| Bearing, Thrust | A-AT21139 | STD | 1.00 |
| A-AT21132 | .010 | 1.00 |
| A-AT21134 | .020 | 1.00 |
| A-AT21136 | .030 | 1.00 |
| Bearing, Conn Rod | A-AR97517 | STD | 4.00 |
| A-AR97653 | .010 | 4.00 |
| A-AR97654 | .020 | 4.00 |
| A-AR97655 | .030 | 4.00 |
| Seal, Front Crankshaft | A-AR67942 | | 1.00 |
| Seal, Rear Crankshaft | A-AR92893 | not used w/ flywheel hou | 1.00 |
| Bushing, Balancer Shaft | A-R57160 | STD | 6.00 |
| Bushing, Conn Rod | A-R57450 | | 4.00 |
| Capscrew, Conn Rod | A-R74195 | | 8.00 |
| Gasket OH Set w/o Seals | A-RE16934 | | 1.00 |
next >> | Item Number | Description | Qty |
| A-AR63342 | Piston, Small Pin | 4 |
| A-AR65507 | Sealing Ring Kit, Liner | 4 |
| A-AR79463 | Pump, Oil | 1 |
| A-AR91660 | Gear, Upper Timing | 1 |
| A-AT24252 | Gear, Lower | 1 |
| A-IK86990 | IN FRAME OH KIT | 1 |
| A-M41029 | Retainer, Piston Pin | 8 |
| A-RE11410 | Rotator, Valve | 8 |
| A-RE27667 | Pump, Fuel Lift Transfer | 1 |
| A-RE31929 | Cooler | 1 |
| A-RE31973 | Arm, Rocker | 8 |
| A-RE37503 | Injector, Pencil | 4 |
| A-RE48818 | Rings, Piston | 4 |
| A-RE519736 | Shaft, Rocker | 1 |
| A-RE56792 | Crankshaft | 1 |
| A-R26125 | Spring, Valve | 8 |
| A-R48000 | Seal, Pencil Injector | 4 |
| A-R51731 | Pin, Piston | 4 |
| A-R51734 | Insert, Exhaust Valve | 4 |
| A-R60746 | Seal, Pencil Injector | 4 |
| Crossed From: | BEKD4463-LCB | TISCO |
| EOKD4463 | TISCO |
| EOKD4463-010 | TISCO |
| EOKD4463-020 | TISCO |
| EOKD4463-030 | TISCO |