The A & I Products Main Bearing Set .020" is designed for optimal engine performance. This set includes four precision-engineered bearings, ensuring a perfect fit and reliable operation. Made from high-quality materials, these bearings are built to withstand the rigors of engine use. Ideal for various applications, this set meets industry standards for durability and performance. Upgrade your engine with this essential component for enhanced reliability.A & I PRODUCTS main bearing set sized at .020 inch undersize, model 376682R91, comprising four bearings for crankshaft main journals. Manufactured from durable bearing alloys, these bearings provide precise clearance and wear resistance for engine rebuilds requiring .020" undersized components. The set supports proper crankshaft rotation and load distribution in automotive and agricultural engines. The 376682R91 bearing set meets industry standards for dimensional accuracy and performance in main bearing applications.
1-376683R91, 1-376686R91, 1-376689R91, 1-376692R91
• 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: | MBK221-020 | TISCO |
