The A & I PRODUCTS OK20624 Major Overhaul Kit is an essential collection of components designed for comprehensive engine maintenance and repair. This kit includes all necessary parts to restore engine performance, ensuring longevity and efficiency. Each component is manufactured to meet or exceed OEM specifications, providing peace of mind for users. The materials used in this kit are selected for their durability and resistance to wear, making them ideal for heavy-duty applications. This overhaul kit is compatible with various engine models, making it a versatile choice for mechanics and DIY enthusiasts alike.
• Cummins Control Parts List#'s (CPL): 591 (Marine Engine), 681, 721 (Marine Engine), 725, 791, 843, 895, 981, 1172, 1259, 1312, 1522 & 1932.
• Serial & CPL#'s Are Found On A Tag Located On The Side Of The Timing Gear Housing And/Or Valve Cover. If Tag Is Missing, Check The Top Of The Oil Cooler Housing To See If It Is Stamped There.
• Serial Number Consist Of 8 Digits. CPL#'s Are 3 Or 4 Digits.
Kit Contains: Cylinder Kits, Main & Con Rod Bearings, Front & Rear Crankshaft Seals, Top & Bottom Gasket Sets And Piston & Cam Bushing.
Piston Marked: 6209
Non-Emission
239 Cubic Inch
591*, 681, 721*, 725, 791, 843, 895, 981, 1172, 1259, 1312, 1522, 1932 (* Marine Eng)
next >> | Engine Overhaul Kits > 4-390 Naturally Aspirated Cummins "B" Series |
| Case-IH CRAWLER: 450C |
| Case-IH CRAWLER: 455C |
| Case-IH INDUSTRIAL/CONSTRUCTION: 480E |
| Case-IH INDUSTRIAL/CONSTRUCTION: 480ELL |
| Case-IH INDUSTRIAL/CONSTRUCTION: 480F |
| Case-IH INDUSTRIAL/CONSTRUCTION: 480FLL |
| Case-IH INDUSTRIAL/CONSTRUCTION: 550 |
| Case-IH INDUSTRIAL/CONSTRUCTION: 550E |
| Case-IH INDUSTRIAL/CONSTRUCTION: 580K |
| Case-IH INDUSTRIAL/CONSTRUCTION: 580SE |
| Case-IH INDUSTRIAL/CONSTRUCTION: 580SK |
| Case-IH INDUSTRIAL/CONSTRUCTION: 584E |
| Case-IH INDUSTRIAL/CONSTRUCTION: 585E |
| Case-IH INDUSTRIAL/CONSTRUCTION: 586E |
| Case-IH INDUSTRIAL/CONSTRUCTION: 660 |
| Case-IH INDUSTRIAL/CONSTRUCTION: 760 |
| Case-IH SKID STEER LOADER: 1840 |
| Case-IH SKID STEER LOADER: 1845C |
| Case-IH SWATHER/WINDROWER: 6000 |
| Case-IH SWATHER/WINDROWER: 6500 |
| Group Description | Component | Size / Desc | Qty |
| KIT, PISTON; 0.50MM | A-3802062 | 0.50 MM | 4.00 |
| BEARING SET, MAIN; STD. | A-3802010 | Std | 1.00 |
| BEARING SET, MAIN; 0.25MM | A-3802011 | 0.25 MM | 1.00 |
| BEARING SET, MAIN; 0.50MM | A-3802012 | 0.50 MM | 1.00 |
| BEARING SET, MAIN; 0.75MM | A-3802013 | 0.75 MM | 1.00 |
| BEARING, CON. ROD; STD. | A-3901170 | Std | 8.00 |
| BEARING, CON. ROD; 0.25MM | A-3901171 | 0.25 MM | 8.00 |
| BEARING, CON. ROD; 0.50MM | A-3901172 | 0.50 MM | 8.00 |
| BEARING, CON. ROD; 0.75MM | A-3901173 | 0.75 MM | 8.00 |
| BUSHING; CAM | A-3901306 | For Storm blocks use 394 | 1.00 |
| A-3940059 | | 1.00 |
| BUSHING; PISTON | A-4891178 | | 4.00 |
| GASKET SET; UPPER | A-3804896 | | 1.00 |
| GASKET SET; LOWER W/SEALS | A-3802375 | | 1.00 |
next >> | Item Number | Description | Qty |
| A-IK2060F4 | In-Frame Engine Overhaul Kit (Std.) - Fracture Split Conn Rod | 1 |
| A-IK20604 | In-Frame Engine Overhaul Kit (Std.) | 1 |
| A-IK2062F4 | In-Frame Engine Overhaul Kit (0.50 MM) .020"- Fracture Split Conn Rod | 1 |
| A-IK20624 | In-Frame Engine Overhaul Kit (0.50 MM) .020" | 1 |
| A-IK2064F4 | In-Frame Engine Overhaul Kit (1.00 MM) .040"- Fracture Split Conn Rod | 1 |
| A-IK20644 | In-Frame Engine Overhaul Kit (1.00 MM) .040" | 1 |
| A-OK2060F4 | Major Eng OH Kit (STD) - Fracture Split Conn Rod | 1 |
| A-OK20604 | Major Engine Overhaul Kit (Std.) | |
| A-OK2062F4 | Major Eng OH Kit (.50mm) - Fracture Split Conn Rod | 1 |
| A-OK2064F4 | Major Eng OH Kit (1.00mm) - Fracture Split Conn Rod | 1 |
| A-OK20644 | Major Eng OH Kit (1.00mm) | 1 |
| A-10152 | Assembly Lube; 8 oz | 1 |
| A-10153 | Assembly Lube; Case of 12 8 oz bottles | 1 |
| A-3353978 | Seal; Crankshaft Rear | 1 |
| A-3802062 | Kit, Piston; 0.50 MM | 4 |
| A-3802064 | Kit, Piston; 1.00 MM | 4 |
| A-3802273 | Thermostat | 1 |
| A-3802355 | Kit; Intake Valve | 1 |
| A-3802356 | Kit; Exhaust Valve | 1 |
| A-3900276 | Spring; Valve | 1 |
