33-1221 O-ring Valve to Compressor for Thermo King X418 X426 X430
MultiStar Parts – Your Source for Truck Refrigeration Unit Parts
The 33-1221 O-ring is a high-quality Thermo King parts replacement designed to seal the connection between the suction/throttling valve and the compressor in Thermo King transport refrigeration units . This critical sealing component is essential for preventing refrigerant leakage and ensuring optimal system performance and reliability.
CROSS-REFERENCE PART NUMBERS:
- 33-1221, 331221, 331-221
- 1081A99H39
Product Highlights:
- Part Number: 33-1221
- Type: O-ring (OEM equivalent to 1081A99H39, also replaces 1081A99H31 / 33-0241)
- Specifications: Approx. 89.0mm diameter
- Application: Seals valve-to-compressor connection
- Compatible Compressors: X418, X422, X426, X426, X430 series
Installation Note: When replacing this O-ring, it is recommended to use clean refrigerant oil for lubrication and inspect the mating surfaces for any damage or debris to ensure a proper seal .
As part of our extensive inventory of premium Thermo King aftermarket parts, this essential component is ideal for valve replacement or compressor servicing on your Thermo King units.
Multistar Parts Co., Ltd. is a professional supplier of transport refrigeration parts, specializing in Thermo King parts, Carrier Transicold parts, and Hwasung Thermo parts for the global aftermarket.
Multistar Parts Co., Ltd. – Your trusted partner for Thermo King, Carrier Transicold, and Hwasung Thermo parts.