National 99248 Engine Crankshaft Repair Sleeve - Front

National 99248 Engine Crankshaft Repair Sleeve Overview

The National 99248 Engine Crankshaft Repair Sleeve is designed for precise repair applications on Dodge heavy-duty trucks. Engineered from stainless steel, this repair sleeve restores crankshaft integrity for models including Dodge D250, D350, Ram 2500, Ram 3500, W250, and W350.

• Flanged outside diameter: 2.828 inches (71.83 mm)
• Installation depth: 1.375 inches (34.93 mm)
• Overall width: 0.656 inches (16.66 mm)
• Shaft size range: 2.500 to 2.506 inches (63.5 to 63.65 mm)
• Width on shaft: 0.500 inches (12.7 mm)
• Material: Durable stainless steel construction

Detailed Product Description

The National 99248 repair sleeve is manufactured from corrosion-resistant stainless steel, ensuring durability and long service life in demanding engine environments. Its flanged outside diameter of 2.828 inches provides a secure fit, while the installation depth of 1.375 inches allows for proper seating on the crankshaft. The sleeve accommodates shaft sizes between 2.500 and 2.506 inches, making it suitable for precise crankshaft repairs on compatible Dodge models. The overall width of 0.656 inches and shaft width of 0.500 inches ensure a stable and reliable fit during engine operation.

Applications and Repair Solutions

• Restores worn or damaged crankshaft journals
• Corrects minor shaft diameter inconsistencies
• Prevents further engine damage due to crankshaft wear
• Supports engine rebuilds on Dodge D250, D350, Ram 2500, Ram 3500, W250, and W350
• Facilitates cost-effective engine maintenance without full crankshaft replacement

Installation Notes and Tips

Ensure the crankshaft surface is clean and free of debris before installation. The National 99248 sleeve should be pressed onto the shaft using appropriate tooling to avoid damage. Verify shaft size compatibility within the specified range (2.500 to 2.506 inches) for optimal fit. Proper alignment during installation is critical to maintain engine balance and performance.

Quality Assurance and Warranty

National manufactures the 99248 repair sleeve to meet stringent quality standards for engine hardware. Constructed from stainless steel, this part offers resistance to corrosion and wear. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring reliability for professional engine repairs on Dodge heavy-duty trucks.