The OK4591 Major Overhaul Kit by A & I PRODUCTS is a comprehensive solution for engine restoration. This kit includes all necessary components for a complete overhaul, ensuring optimal performance and reliability. Designed for heavy-duty applications, it meets industry standards for quality and durability. The kit is compatible with various engine models, making it a versatile choice for maintenance and repair.
John Deere Major Engine Overhaul Kit for engine 4.202 Diesel, 300 Series. 4 Cyl. O-Rings in block. Block #: R53230, R53250, R55034, R72973, T32342 30mm. Standard bore 3.86 (98mm). Piston Pin: 1.185 (30mm). Kit includes: Piston Liner Kit, Main Bearing, Thrust Bearing, Connecting Rod Bearing Set, Connecting Rod Bushing, Connecting Rod Capscrew, Balancer Shaft Bushing, and Overhaul Gasket Set with Seals. Fits John Deere models: 400, 480, 440, 2020, and 2510.
4 CYL., O-Rings in block, Block #: R53230, R53250, R55034, R72973, T32342 30mm
Bore: 3.86" 98mm, Pin: 1.185", 30mm
| Engine Overhaul Kits > 4.202 Diesel, 300 Series |
| John Deere INDUSTRIAL/CONSTRUCTION: 400 (SN 158258> 4.202 ENG) |
| John Deere INDUSTRIAL/CONSTRUCTION: 480 (SN 158258> 4.202 ENG) |
| John Deere SKIDDER: 440 (SN 158258> 4.202 ENG) |
| John Deere TRACTOR: 2020 (SN 158258> 4.202 ENG) |
| John Deere TRACTOR: 2510 (SN 158258> 4.202 ENG) |
| Group Description | Component | Size / Desc | Qty |
| Piston Liner Kit | A-AR71591 | | 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 Set, Conn Rod | A-RE27348 | STD | 4.00 |
| A-RE27349 | .010 | 4.00 |
| A-RE27358 | .020 | 4.00 |
| A-RE27364 | .030 | 4.00 |
| Bushing, Conn Rod | A-T23471 | | 4.00 |
| Capscrew, Conn Rod | A-R74194 | | 8.00 |
| Bushing, Balancer Shaft | A-R57160 | STD | 6.00 |
| Gasket OH Set with Seals | A-RE38558 | | 1.00 |
next >> | Item Number | Description | Qty |
| A-AR70633 | Rings, Piston | 4 |
| A-AR71617 | O-Ring Kit, Cylinder | 4 |
| A-AR89564 | Injector, Pencil | 4 |
| A-AR91660 | Gear, Upper Timing | 1 |
| A-AT24252 | Gear, Lower | 1 |
| A-IK4591 | IN FRAME OH KIT | 1 |
| A-RE11410 | Rotator, Valve | 4 |
| A-RE19733 | Connecting Rod | 4 |
| A-RE26282 | Shaft, Balancer w/Gear (RH) | 1 |
| A-RE26283 | Shaft, Balancer w/Gear (LH) | 1 |
| A-RE27667 | Pump, Fuel Lift Transfer | 1 |
| A-RE31929 | Cooler | 1 |
| A-RE31973 | Arm, Rocker | 8 |
| A-RE35685 | Pump, Oil | 1 |
| A-RE519735 | Shaft, Rocker | 1 |
| A-R113752 | Tube, Engine Oil Pump | 1 |
| A-R26125 | Spring, Valve | 8 |
| A-R48000 | Seal, Pencil Injector | 4 |
| A-R51112 | Retainer, Piston Pin | 8 |
| A-R51734 | Insert, Exhaust Valve | 4 |
| Crossed From: | BEKD4452-LCB | TISCO |
| EOK4446 | TISCO |
| EOK4452 | TISCO |
| EOK4452-LCB | TISCO |
| EOK4452-010 | TISCO |
| EOK4452-020 | TISCO |
| EOK4452-030 | TISCO |