Details

• Brand:

  

• SKU:

  68403556AB

• Other Names:

  Hose And Tube

• Description:

  Maintain optimal cabin comfort and engine thermal regulation with the Mopar Genuine Heater Return Hose and Tube Assembly (Part #68403556AB)

  . As a specialized component of your vehicle’s HVAC and cooling circuit, this assembly is engineered to efficiently route coolant from the heater core back to the engine, ensuring consistent heating performance even in 2026’s most extreme climates.

  High-Performance Coolant Management

  • Integrated Hybrid Construction: Unlike standard rubber-only hoses that can sag or kink, this assembly features a precision-formed tube integrated with high-durability hose segments. This hybrid design ensures a rigid, factory-correct routing path that maximizes coolant flow and prevents interference with other engine bay components.
  • Thermal and Pressure Resilience: Engineered to handle the high internal pressures and rapid temperature fluctuations of modern cooling systems, this assembly is constructed from advanced, heat-stabilized polymers. It resists the internal "softening" and external brittleness that often lead to the catastrophic coolant loss seen with budget aftermarket replacements.
  • Leak-Proof "No-Mod" Fitting: This genuine Mopar part is machined to microscopic tolerances for a direct-replacement fit. Its factory-spec connectors provide a secure, watertight seal at both the heater core and engine interface, eliminating the need for universal adapters or risky modifications that compromise system integrity.
  • Acoustic & Vibration Isolation: The 68403556AB is designed to dampen the hydraulic pulses and vibrations generated by the water pump. This prevents the "rattling" or humming noises often transmitted through the firewall into the cabin by rigid aftermarket alternatives, preserving your vehicle's refined interior environment.
  • Corrosion-Resistant Internal Bore: The metal tube sections are treated with a specialized internal coating to resist the scaling and mineral buildup associated with long-term coolant exposure. This ensures your heater core remains clear of debris, maintaining peak heating efficiency throughout the life of the vehicle.

  Don’t settle for a "will-fit" hose that risks your engine's safety and your cabin's warmth. Choose the only return assembly engineered and verified by the manufacturer to provide a perfect, high-performance coolant circuit.
  Flow with Confidence. Control the Climate. Genuine Mopar.

• Condition: New
• Notes: Engines: 2.0l i4 dohc di turbo engine w/ ess.
• Applications: 4x4. FWD.
• Replaces:

  68403556aa

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