Front Crankshaft Wear Sleeve 3006742 for Cummins N14 855 Engine

Product Overview

This front crankshaft wear sleeve is a direct replacement component for Cummins N14 and 855 series engines. It installs over the crankshaft to provide a smooth sealing surface for the front oil seal, preventing leaks. This wear sleeve is essential for engine rebuilds and seal replacement procedures.

Key Features & Performance

• Precision-engineered to exact OEM dimensions for proper fit
• Constructed from hardened steel to resist wear and extend seal life
• Helps restore the crankshaft sealing surface without costly shaft replacement
• Includes installation flange or lip for easy pressing
• Compatible with standard front seal diameters used on N14 engines

Fitment & Compatibility

• Cummins N14 engine (all variants)
• Cummins 855 series engine (including 855 Big Cam)

Common Uses

• Rebuilding Cummins N14 and 855 diesel engines
• Replacing worn crankshaft surfaces during oil seal replacement
• Overhauling heavy-duty truck and industrial engines

Technical Specifications

• Part Number(s): 3006742
• Material: Hardened steel
• Position: Front (timing cover side)
• Engine: Cummins N14 / 855

Frequently Asked Questions

Q: Do I need any special tools to install this wear sleeve? A: Yes, a wear sleeve installation tool or a suitable driver is recommended to press it on evenly without damaging the sleeve.

Q: Can this sleeve be used on a Cummins N14 with a different serial number? A: It is designed for the N14 and 855 engine families; always verify your crankshaft front diameter and seal size before installing.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.