National 614037 Clutch Release Bearing

Overview of National 614037 Clutch Release Bearing

The National 614037 clutch release bearing is engineered for reliable performance in a range of GM vehicles including Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. Designed as a sealed self-aligning bearing, it ensures smooth clutch operation and durability under demanding driving conditions.

• Sealed self-aligning design for consistent clutch engagement
• Bore diameter of 1.378 inches (34.989 mm) for precise fitment
• Outside diameter measures 2.640 inches (67.056 mm)
• Width of 1.899 inches (48.235 mm) for proper assembly integration
• Part of the Crba series, ensuring compatibility with various GM transmissions

Technical Specifications and Design Features

The National 614037 clutch release bearing assembly features a sealed self-aligning design that reduces wear and extends service life by maintaining proper alignment during clutch operation. The bearing’s bore size of 1.378 inches (34.989 mm) and outside diameter of 2.640 inches (67.056 mm) are engineered to meet OEM specifications. With a width of 1.899 inches (48.235 mm), this bearing fits securely within the clutch system, providing smooth and reliable release action.

Compatible Vehicles and Applications

This clutch release bearing is compatible with a wide range of GM vehicles, including Buick models like the Century and LeSabre, Chevrolet trucks such as the C10 and C20, and performance cars like the Camaro and Corvette. It also fits Oldsmobile Cutlass variants, Pontiac Firebird and GTO, as well as GMC trucks and SUVs including the Jimmy and K5 Blazer. The part number 614037 ensures precise fitment for these models, making it suitable for clutch system repairs and maintenance.

Common Issues Addressed by National 614037

• Eliminates clutch chatter caused by worn or misaligned release bearings
• Prevents premature clutch wear due to improper bearing function
• Reduces noise and vibration during clutch engagement and disengagement
• Improves clutch pedal feel and responsiveness
• Restores smooth operation in vehicles experiencing clutch release problems

Installation Notes and Tips

When installing the National 614037 clutch release bearing, ensure the clutch fork and related components are inspected for wear or damage. Proper lubrication of the bearing contact surfaces is recommended to maintain smooth operation. Verify the bearing orientation matches OEM specifications to avoid premature failure. This bearing is designed for direct replacement in compatible Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models.

Quality Assurance and Warranty

National clutch release bearings are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 614037 bearing is part of the Crba series, known for consistent manufacturing tolerances and material quality. While specific warranty details may vary, National typically offers coverage against defects in materials and workmanship to support long-term use in automotive clutch systems.