A & I Products presents the OK4310 Major Overhaul Kit, engineered for maximum engine efficiency. This kit includes high-quality components that meet OEM standards, ensuring a perfect fit and reliable performance. Designed for ease of installation, it simplifies the overhaul process, making it suitable for both professional mechanics and DIY enthusiasts. The kit is compatible with a variety of engine types, making it a versatile choice for maintenance and repair tasks. Trust the OK4310 for a comprehensive engine restoration.
John Deere Major Engine Overhaul Kit for 4.219 Diesel, 300 Series engine. 4 Cyl. O-Rings on liner. Standard bore: 4.02 (102mm), Piston Pin: 1.185 (30mm). Kit includes: Piston Liner Kit, Main Bearing, Thrust Bearing, Connecting Rod Bearing Set, Connecting Rod Bushing, Connecting Rod Capscrew, Front Crankshaft Seal, Rear Crankshaft Seal, Balancer Shaft Bushing, and Overhaul Gasket without Seals. Fits John Deere models: 440A and 2520.
• O-Rings on liner 4 CYL.
• Bore: 4.02" 102mm, Pin: 1.185", 30mm
| Engine Overhaul Kits > 4.219 Diesel, 300 Series |
| John Deere SKIDDER: 440A (SN 50000-103129 4.219 ENG) |
| John Deere TRACTOR: 2520 (SN <-157575 4.219 ENG) |
| Group Description | Component | Size / Desc | Qty |
| Piston Liner Kit | A-PLK310 | | 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 |
| 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 |
| Gasket OH Set w/o Seals | A-RE38857 | | 1.00 |
next >> | Item Number | Description | Qty |
| A-AR51903 | Liner, Cylinder w/Seals | 4 |
| A-AR55759 | Rings, Piston | 4 |
| A-AR78310 | Piston | 4 |
| A-AR89564 | Injector, Pencil | 4 |
| A-AR91660 | Gear, Upper Timing | 1 |
| A-AT24252 | Gear, Lower | 1 |
| A-IK4310 | 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-RE519736 | 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 |
