The OK411 Major Overhaul Kit by A & I Products is designed for comprehensive engine restoration. This kit includes all necessary components to ensure a successful overhaul, compatible with various engine types. Each part is manufactured to meet OEM specifications, providing reliability and performance. The kit simplifies the overhaul process, making it suitable for both professional mechanics and DIY enthusiasts. Trust the OK411 for a complete engine rebuild and optimal performance.
Perkins USA Marine Engine Major Engine Overhaul Kit for 4.108 engine. 4 Cyl., Rope Seal. Standard bore: 3.125 (79.375mm). Kit includes: Piston Liner Kit, Main Bearing Set, Connecting Rod Bearing Set, Thrust Washer Set, Oil Seal, Rear Crankshaft Seal, Connecting Rod Bushing, Connecting Rod Bolt, Upper Gasket Set, and Lower Gasket Set with Seals.
• 4 Cyl, Rope Seal
• Bore: 3.125" 79.375 mm
| Engine Overhaul Kits > 4.108 |
| Perkins USA MARINE ENGINE: SEVERAL |
| Group Description | Component | Size / Desc | Qty |
| Piston Liner Kit | A-U5MK0118 | Semi-Finished Sleeve | 4.00 |
| Bearing Set, Main | A-84992 | STD | 1.00 |
| A-84992A | .010 | 1.00 |
| A-84992B | .020 | 1.00 |
| A-84992C | .030 | 1.00 |
| Washer Set, Thrust | A-0921120/118 | | 1.00 |
| Bearing Set, Conn Rod | A-85037 | STD | 1.00 |
| A-85037A | .010 | 1.00 |
| A-85037B | .020 | 1.00 |
| A-85037C | .030 | 1.00 |
| Bushing, Conn Rod | A-31134145 | | 4.00 |
| Bolt, Conn Rod | A-0095314 | | 8.00 |
| Seal, Oil | A-0730098 | | 1.00 |
| Seal, Rear Crankshaft | A-36883107 | | 2.00 |
| Gasket, Upper Set | A-85786 | | 1.00 |
| Gasket, Lower Set w/Seals | A-U5LB0013 | | 1.00 |
| Item Number | Description | Qty |
| A-0230001 | Lock, Valve | 8 |
| A-0780143 | Spring, Valve Inner | 8 |
| A-0780144 | Spring, Valve | 8 |
| A-0910060 | Valve, Intake | 4 |
| A-0910061 | Valve, Exhaust | 4 |
| A-10152 | Assembly Lube; 8 oz | 1 |
| A-10153 | Assembly Lube; Case of 12 8 oz bottles | 1 |
| A-31358117 | Liner, Cylinder (Semi-Finished) 4.108 | 4 |
| A-3313E001 | Guide, Intake Valve | 4 |
| A-33261723 | Guide, Intake & Exhaust Valve | 4 |
| A-33817403 | Seal, Valve | 8 |
| A-3641363M91 | Water Pump | 1 |
| A-36812134 | Gasket, Head | 1 |
| A-41158008 | Rings, Piston | 4 |
| A-41314089 | Pump, Oil | 1 |
| A-69491 | Piston | 4 |
