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A2-04 FK40
L010200006
The A2-04 FK40 is a precision-engineered piston connecting rod assembly designed exclusively for FK40 series bus air conditioner compressors. As a core power transmission component inside the compressor, it converts rotary motion into linear reciprocating motion, directly determining the compression efficiency, operational stability and service life of the entire AC system.
Forged from high-strength alloy steel and processed through precision machining and professional heat treatment, this piston connecting rod assembly features exceptional tensile strength, wear resistance and fatigue resistance. It maintains stable performance under long-term high-speed, heavy-load operating conditions, effectively reducing compressor vibration and noise, and lowering overall maintenance costs for fleet operators.
With 39 years of dedicated expertise in the bus HVAC industry, TCHAIN supplies 100% quality-inspected piston connecting rods that are fully compatible with most 6-14m diesel buses, school buses, shuttle buses and long-distance coaches equipped with FK40 series compressors. We provide competitive wholesale pricing, comprehensive technical support and fast global delivery to minimize your fleet downtime.
FK40 series bus AC compressors
Heavy-duty city bus air conditioning systems
School bus AC compressor overhaul
Commercial shuttle bus AC systems
Long-distance intercity coach HVAC systems
Special vehicle air conditioner compressors
