The A & I Products Major Overhaul Kit is essential for comprehensive engine maintenance and repair. This kit includes high-quality components designed to restore engine performance and reliability. With parts made from durable materials, it meets industry standards for quality and performance. Ideal for various engine types, this overhaul kit ensures a perfect fit and optimal functionality. Whether you're a professional mechanic or a DIY enthusiast, this major overhaul kit is a must-have for effective engine servicing.
• Cummins Control Parts List#'s (CPL): 986 & 1260.
• 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: 9045
Emission
239 Cubic Inch
| Engine Overhaul Kits > 4-390TA Turbo Charged-Aftercooled Cummins "B" Series |
| Cummins Engines ENGINE: 3.9L B SERIES |
| Engine Parts > 4-390TA Turbo Charged-Aftercooled Cummins "B" Series |
| Cummins Engines ENGINE: 3.9L B SERIES |
| Group Description | Component | Size / Desc | Qty |
| KIT, PISTON; 1.00MM | A-3802250 | 1.00 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-IK2248F4 | In-Frame Engine Overhaul Kit (Std.) - Fracture Split Conn Rod | 1 |
| A-IK22484 | In-Frame Engine Overhaul Kit (Std.) | 1 |
| A-IK2249F4 | In-Frame Engine Overhaul Kit (0.50 MM) .020"- Fracture Split Conn Rod | 1 |
| A-IK22494 | In-Frame Engine Overhaul Kit (0.50 MM) .020" | 1 |
| A-IK2250F4 | In-Frame Engine Overhaul Kit (1.00 MM) .040"- Fracture Split Conn Rod | 1 |
| A-IK22504 | In-Frame Engine Overhaul Kit (1.00 MM) .040" | 1 |
| A-OK2248F4 | Major Eng OH Kit (STD) - Fracture Split Conn Rod | 1 |
| A-OK22484 | Major Engine Overhaul Kit (Std.) | |
| A-OK2249F4 | Major Eng OH Kit (.50mm) - Fracture Split Conn Rod | 1 |
| A-OK22494 | Major Eng OH Kit (.50mm) | 1 |
| A-OK2250F4 | Major Eng OH Kit (1.00mm) - Fracture Split Conn Rod | 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-3802249 | Kit, Piston; 0.50 MM | 4 |
| A-3802250 | 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 |
