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Thermo King Genuine Sealing Rings 50-Count – Part Number 552208 – Copper Washer Gaskets for Transport Refrigeration


Sale price $17.49 Regular price $24.99
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Description

The Thermo King 552208 sealing rings are genuine, OEM-grade copper washer gaskets engineered specifically to maintain absolute leakproof seals in heavy-duty transport refrigeration systems. This 50-count pack of part number 552208 rings provides commercial fleets with a reliable supply of essential hardware built to withstand intense vibrations, high pressure, and severe climate transitions. Primarily deployed on injectors, fuel connections, and critical refrigeration lines, these copper gaskets prevent costly fluid loss and refrigerant seepage. Don't risk temperature variances or line failure; keep your cold chain fully compliant by choosing authentic, direct-fit replacement sealing rings. [1, 2]
⭐ Key Features & Benefits
  • OEM Copper Construction: Forged from high-grade, premium copper engineered to deform perfectly under torque for a flawless metal-on-metal seal. [1, 2]
  • Heavy-Duty Durability: Extensively tested to exceed industry standards, ensuring survival against radical temperature shifts and heavy road vibration. [1]
  • Leak & Seepage Prevention: Provides complete micro-gap containment across fuel lines, injectors, and refrigeration connections. [1]
  • Economical Bulk Pack: Comes in a convenient 50-piece fleet bundle to reduce per-incident maintenance overhead and keep workbenches stocked. [1]
  • Direct-Fit Precision: Standardized factory dimensions allow for instant, hassle-free drops during routine component replacement. [1, 2]
🔧 Uses / Applications
  • Fuel Line & Injector Seals: Keeps fuel delivery interfaces tightly pressurized on commercial truck and trailer reefer units.
  • Refrigeration System Connections: Used to prevent micro-leaks at critical fitting junctions within transport climate control circuits.
  • Routine Service Lifecycles: Essential replacement gaskets whenever lines are disconnected or fuel injectors are unbolted for maintenance.
  • Fleet Overhaul Supply: Ideal for long-haul reefer operators, refrigeration repair shops, and heavy transport distribution maintenance hubs. [1, 2]
📊 Technical Specifications
Specification Detail
Part Type Sealing Ring / Copper Washer Gasket
Position / Location Fuel System / Injector Fitting / Refrigeration Connection
Part Number 552208 (also referenced as 55-2208)
Material Premium Heavy-Duty Copper
Fitment Type Thermo King Transport Unit Specific
Condition Brand New
Installation Direct‑Fit Replacement
🔄 Cross‑Reference / Interchange Table
Manufacturer Equivalent Part Number
OEM / Factory Thermo King 552208 / 55-2208
Cross-Reference A Thermo King 33-1654 / 33-1749
Cross-Reference B Thermo King 33-2171 / 33-2192 / 350-3297
Additional Notes Pack Qty: Contains 50 individual sealing washers per order package.

Disclosure Policy

This product was acquired by Freeman Liquidators from a sale of merchandise subject to a commercial insurance loss. Freeman Liquidators is a secondary seller of products, is not affiliated with or sponsored by the manufacturer of the products and is not a manufacturer authorized seller of the products. Sale of this product by Freeman Liquidators is not subject to the policies of the manufacturer. Any warranty offered by the manufacturer is not available to you as the purchaser.

All products are NEVER USED but external packaging will have damage. Some items may be placed into other packaging to ensure safe shipping. All items are opened for inspection prior to shipment to ensure the best quality of products. Freeman Liquidators guarantees your satisfaction. If you are not completely satisfied with a purchased product, within 30 days from the date of purchase, return the product in its packaging and Freeman Liquidators will fully refund your money.

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Thermo King Genuine Sealing Rings 50-Count – Part Number 552208 – Copper Washer Gaskets for Transport Refrigeration

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