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A2-45 (For Denso 6C620B, Φ36mm Shaft)
The A2-45 is a professional mechanical shaft seal assembly engineered for Denso 6C620B series heavy-duty bus air conditioner compressors, fitted for Φ36mm diameter crankshaft. Installed at the front end of the compressor crankshaft, it creates a dynamic rotating seal to prevent refrigerant and lubricating oil leakage from the shaft gap, directly maintaining the compression efficiency and stable operation of the entire AC compressor.
This shaft seal set adopts a spring-loaded mechanical sealing structure, made of high-performance wear-resistant rubber and corrosion-resistant metal components. It features excellent refrigerant resistance, high temperature tolerance and anti-aging performance, maintains stable and tight sealing under long-term high-speed rotation and high-pressure working conditions, effectively eliminates front-end leakage risks and extends the compressor service life.
With dimensions fully matching the original Denso 6C620B compressor specifications, it supports direct in-situ replacement without modification, greatly simplifying the overhaul workflow and reducing on-site repair time. It is an essential sealing component for professional bus AC compressor repair and major overhaul services.
Backed by 39 years of professional expertise in the bus HVAC industry, TCHAIN supplies 100% quality-inspected compressor shaft seal parts that are fully compatible with most 6-14m diesel buses, school buses, shuttle buses and long-distance coaches equipped with Denso 6C620B series compressors. We provide competitive wholesale pricing, comprehensive technical support and fast global delivery to minimize your fleet maintenance downtime.
Denso 6C620B series bus AC compressors (Φ36mm shaft)
Heavy-duty city bus AC compressor overhaul & repair
School bus AC system routine maintenance
Commercial shuttle bus AC compressor rebuild
Long-distance intercity coach HVAC service
Special vehicle air conditioner compressor repair
