Carrier 5F40276 Seal Kit

The Carrier 5F40276 Shaft Seal Kit is a critical OEM replacement component engineered specifically for Carrier 5F40 and 5F60 reciprocating compressors. For veteran technicians maintaining open-drive systems, this kit is the standard for resolving refrigerant and oil leaks at the crankcase interface. It provides a high-integrity mechanical barrier that prevents atmospheric contamination and ensures the preservation of the compressor’s internal lubricant film. This HVAC compressor seal replacement includes a precision-machined shaft seal assembly and a high-performance gasket, designed to withstand the thermal stresses and pressure differentials typical of industrial cooling applications. By utilizing this genuine Carrier compressor part, contractors can restore the factory-spec seal between the rotating crankshaft and the stationary housing, effectively preventing costly refrigerant loss and protecting the system’s volumetric efficiency. Whether you are performing a scheduled overhaul or responding to an emergency failure, the 5F40276 seal kit ensures a perfect fit for 06D and 06E style reciprocating compressor architectures where reliability is non-negotiable.

• Ensures a leak-free interface for high-pressure Carrier 5F40 and 5F60 open-drive compressors.
• Prevents oil migration and maintains the essential lubricant film on the compressor shaft.
• Includes the necessary gasket and seal assembly for a complete professional-grade repair.
• Engineered to OEM specifications to minimize mechanical friction and heat generation during high-RPM operation.
• Reduces system downtime by providing a precise, drop-in replacement for worn or damaged mechanical seals.

Is this kit compatible with 5H series compressors?
Mainly designed for the 5F series, specifically the 5F40 and 5F60. Always verify the shaft diameter and seal seat dimensions against the 5H technical data before installation.

What causes a shaft seal to fail prematurely in these systems?
Common causes include excessive vibration, misalignment of the drive coupling, or operation without sufficient oil return, which compromises the seal’s cooling.

Are any special tools required for the 5F40276 installation?
A standard seal puller and a clean lint-free cloth for the shaft are required. Technicians should use the provided lubricant to prime the seal bellows to prevent dry-start scoring.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.