Timken 2261 Engine Crankshaft Seal - Rear

Timken 2261 Engine Crankshaft Seal Overview

The Timken 2261 engine crankshaft seal is engineered for reliable sealing performance in Chevrolet and GMC heavy-duty trucks and vans. Designed with durable V-fluoro-elastomer material, this seal ensures effective protection against oil leaks and contaminants for models such as the Chevrolet C1500 and GMC Savana 3500.

• Constructed from high-quality V-fluoro-elastomer for enhanced chemical and heat resistance
• Precision dimensions: 5.132 inch outside diameter, 4.331 inch shaft diameter, and 0.394 inch width
• Compatible with Chevrolet and GMC trucks including C2500, K3500, and Express 3500
• Counter-clockwise (CCW) helix type for optimal sealing performance
• Designed to fit housing bore diameter of 5.118 inches

Detailed Product Description

The Timken 2261 crankshaft seal is specifically designed to maintain engine integrity by preventing oil leakage around the crankshaft. Its V-fluoro-elastomer construction offers superior resistance to heat, oil, and other automotive fluids, making it suitable for demanding engine environments found in Chevrolet and GMC heavy-duty vehicles. The seal’s precise dimensions, including a 130.35 mm (5.132 inch) outside diameter and a 110 mm (4.331 inch) shaft diameter, ensure a secure fit within the engine housing bore of 130 mm (5.118 inch). The counter-clockwise helix design aids in maintaining a tight seal under rotational forces, reducing the risk of premature wear or failure.

Compatible Vehicles and Applications

• Chevrolet C1500, C2500, C2500 Suburban, C3500
• GMC K2500, K2500 Suburban, K3500, R2500 Suburban, R3500
• Express 3500, G30, P30, P3500, Savana 3500, V3500

Common Issues Addressed by Timken 2261 Seal

• Prevents oil leaks around the crankshaft area
• Reduces engine contamination from dirt and debris
• Minimizes premature seal wear due to heat and chemical exposure
• Maintains engine oil pressure and performance
• Helps avoid costly engine repairs related to seal failure

Installation Notes and Tips

Ensure the crankshaft and housing bore are clean and free of debris before installation. Use appropriate tools to press the seal evenly into the housing bore without damaging the V-fluoro-elastomer material. Verify the helix direction matches the counter-clockwise rotation of the crankshaft. Lubricate the seal lip lightly with clean engine oil to facilitate installation and initial operation.

Quality Assurance and Warranty

Timken manufactures the 2261 crankshaft seal to meet stringent quality standards for durability and performance. The use of V-fluoro-elastomer material provides resistance to heat and chemical degradation, supporting long service life. Warranty coverage details should be confirmed with the original equipment manufacturer or supplier.