Timken 1172S Engine Crankshaft Seal - Front

Timken 1172S Engine Crankshaft Seal Overview

The Timken 1172S engine crankshaft seal is designed for reliable sealing performance in select BMW and Volvo models. Constructed from durable H-silicone material, this seal ensures effective protection against oil leaks and contamination in the crankshaft area.

• High-quality H-silicone material for enhanced durability
• Compatible with BMW 240, 325iX, 740, 745, 760, 780, 940 models
• Fits Volvo C30, C70, S40, S60, S60 Cross Country, S70, S80, V40, V50, V60, V60 Cross Country, V70, XC60, XC70, XC90
• Precise dimensions: 1.866 inch (47.40 mm) outside diameter, 1.378 inch (35.00 mm) shaft diameter, 1.850 inch (47.00 mm) housing bore
• Clockwise helix type for proper installation and sealing
• Width of 0.276 inch (7.00 mm) for optimal fit

Detailed Product Description

The Timken 1172S crankshaft seal is engineered to maintain a secure seal around the engine crankshaft, preventing oil leakage and protecting internal engine components. Made from H-silicone, this seal offers resistance to heat, oil, and wear, making it suitable for demanding engine environments. The seal’s outside diameter measures 1.866 inches (47.40 mm), with a shaft diameter of 1.378 inches (35.00 mm) and a housing bore of 1.850 inches (47.00 mm). Its 0.276 inch (7.00 mm) width and clockwise helix design ensure a precise fit and reliable sealing performance in compatible BMW and Volvo vehicles.

Compatible Vehicles and Applications

This Timken 1172S crankshaft seal is compatible with a range of BMW and Volvo models, including:

• BMW 240, 325iX, 740, 745, 760, 780, 940
• Volvo C30, C70, S40, S60, S60 Cross Country, S70, S80, V40, V50, V60, V60 Cross Country, V70, XC60, XC70, XC90

Common Issues Addressed by the Timken 1172S Seal

• Prevents oil leaks around the crankshaft
• Reduces contamination of engine oil
• Minimizes wear on crankshaft bearings
• Maintains engine performance by preserving oil pressure
• Protects against premature engine component failure

Installation Notes and Tips

• Ensure the crankshaft and housing bore are clean and free of debris before installation
• Verify the seal orientation matches the clockwise helix design for proper fit
• Use appropriate tools to avoid damaging the seal during installation
• Check for proper seating to prevent leaks

Quality Assurance and Warranty

Timken manufactures the 1172S crankshaft seal to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details may vary, Timken products typically come with a limited warranty against manufacturing defects. Refer to Timken’s official documentation for complete warranty information.