5P-7143 Floating Oil Seal for Caterpillar Dozers D6G D7G Track Loaders 977K

5P-7143 Floating Oil Seal – High-Quality Aftermarket Replacement for Caterpillar Equipment

Protect your Caterpillar dozer or track loader’s final drive with this premium aftermarket 5P-7143 floating oil seal (duo-cone seal). Engineered as a direct OEM replacement, it provides reliable metal-to-metal sealing to prevent lubricant leaks and block contaminants, ensuring smooth track operation and extended undercarriage life in heavy-duty earthmoving conditions.

Key Benefits for Contractors and Operators

• Prevents Costly Leaks: Dual cone design keeps oil in and dirt out, reducing bearing wear and avoiding expensive final drive repairs.
• Direct Fit Installation: Matches genuine Cat specs for quick, no-modification replacement – easy to install during undercarriage service.
• Built Tough for Heavy Duty Use: High-grade material resists abrasion, pressure, and harsh environments for long-lasting reliability on job sites.
• Cost-Effective Alternative: OEM-level sealing at aftermarket pricing – ideal for fleet maintenance and budget-conscious operations.
• Fast Shipping: In stock and ready to ship within 1-3 days.

Compatible Caterpillar Models

This floating oil seal is commonly used in final drive assemblies for models including (verify your machine’s parts manual for exact fit):

• Pipelayers: 571G, 572G
• Track Loaders: 977K, 977L, 983B
• Track-Type Tractors: D6C, D6D, D6E, D6E SR, D6G, D6G SR, D6G2 LGP, D6G2 XL, D7G, D7G2

Specifications

Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.