The Main Bearing Set (.010" thickness, Model 376669R91) from A & I Products is designed for optimal engine performance. This set includes four high-quality bearings crafted from durable materials to ensure longevity and reliability. Engineered to meet precise specifications, these bearings provide excellent support and reduce friction, enhancing engine efficiency. This product complies with industry standards, making it a trusted choice for engine rebuilds and repairs.A & I PRODUCTS main bearing set sized at .010 inch undersize, model 376669R91, includes four precision-engineered bearings for crankshaft main journals. Manufactured from high-grade bearing materials, these bearings provide wear resistance, durability, and proper clearance for engine rebuilds requiring .010" undersized components. The set supports smooth crankshaft rotation and load distribution in automotive and agricultural engines. The 376669R91 bearing set complies with industry standards for dimensional accuracy and performance, suitable for applications demanding exact main bearing sizing.
1-376670R91, 1-376673R91, 1-376676R91, 1-376679R91
3.750" Thrust Brg Dia.
| Engine Parts > C221 CID |
| Case-IH INDUSTRIAL/CONSTRUCTION: 2606 (SN <35093) |
| Case-IH TRACTOR: 460 (SN <35093) |
| Case-IH TRACTOR: 606 (SN <35093) |
| Engine Parts > C263 CID |
| Case-IH TRACTOR: 560 (ENG SN <36693) |
| Case-IH TRACTOR: 660 (ENG SN <38981) |
| Engine Parts > D236 CID |
| Case-IH INDUSTRIAL/CONSTRUCTION: 2606 (ENG SN <13753) |
| Case-IH TRACTOR: 460 (ENG SN 13754>) |
| Case-IH TRACTOR: 460 (ENG SN- 10984-13753) |
| Case-IH TRACTOR: 606 (ENG SN <13753) |
| Engine Parts > D282 CID |
| Case-IH INDUSTRIAL/CONSTRUCTION: 2656 (ENG SN <44821) |
| Case-IH INDUSTRIAL/CONSTRUCTION: 2706 (ENG SN <44821) |
| Case-IH TRACTOR: 560 (ENG SN <44821) |
| Case-IH TRACTOR: 560 (TR SN 6766 - 29264) |
| Case-IH TRACTOR: 656 (ENG SN <44821) |
| Case-IH TRACTOR: 660 (ENG SN <44821) |
| Case-IH TRACTOR: 660 (TR SN 29265 - 40698) |
| Case-IH TRACTOR: 660 (TR SN 4370 - 29264) |
| Case-IH TRACTOR: 706 (ENG SN <44821) |
| Item Number | Description |
| A-OK215 | Major Engine Overhaul Kit |
| A-OK221 | Major Engine Overhaul Kit |
| A-OK234 | Major Engine Overhaul Kit |
| A-OK236 | Major Engine Overhaul Kit |
| A-OK263 | Major Engine Overhaul Kit |
| Crossed From: | MBK221-010 | TISCO |