HomeHVAC > Hoses and PipesFour Seasons 66675 A/C Refrigerant Suction Hose
Part #: 66675

Four Seasons 66675 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Mazda, 3 and 3 Sport
🔄Easy Returns — Return within 60 days for a full refund
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Reliable A/C Refrigerant Suction Hose for Mazda 3 Models

The Four Seasons Hose Assembly part number 66675 is designed specifically for Mazda 3 and Mazda 3 Sport vehicles. This A/C refrigerant suction hose ensures proper low-pressure refrigerant flow within your vehicle's HVAC system, maintaining efficient air conditioning performance.

Key Features of Four Seasons Hose Assembly 66675

  • Constructed from durable aluminum and rubber materials for long-lasting use
  • Equipped with a male springlock fitting on one end and a P-nut fitting on the other
  • Compatible with R134a refrigerant systems
  • Includes necessary gaskets and seals, including three green o-rings and one black o-ring
  • Designed as a low-pressure suction line with a 13 mm service port for easy maintenance
  • OE replacement part ensuring proper fit and function
  • Service port included without a switch or muffler

Detailed Description of the Four Seasons Hose Assembly

This Hose Assembly from Four Seasons is engineered to meet the specifications of Mazda 3 and Mazda 3 Sport HVAC systems. The combination of aluminum and rubber materials provides flexibility and resistance to refrigerant leaks and wear. The male springlock fitting and P-nut fitting ensure secure connections to the vehicle’s A/C system. Designed for use with R134a refrigerant, this suction hose operates under low system pressure and includes a 13 mm service port to facilitate refrigerant servicing. The included green and black o-rings provide a reliable seal to prevent leaks, and the part is an exact OE replacement, ensuring compatibility and performance.

Applications and Common Issues Addressed

  • Restores proper refrigerant flow in Mazda 3 and 3 Sport A/C systems
  • Eliminates refrigerant leaks caused by worn or damaged suction hoses
  • Prevents low-pressure system failures that reduce cooling efficiency
  • Replaces cracked or deteriorated hoses to maintain HVAC system integrity
  • Facilitates maintenance with an integrated service port for refrigerant charging

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66675, ensure all old seals and o-rings are removed and replaced with the included green and black o-rings to maintain a proper seal. Verify that the male springlock and P-nut fittings are securely connected to prevent refrigerant leaks. This hose assembly does not include a bracket or muffler, so confirm existing mounting points are intact. The service port allows for easy refrigerant charging and pressure checks during installation or maintenance.

Quality Assurance and Warranty

Four Seasons Hose Assembly 66675 is manufactured to meet or exceed OEM standards for durability and performance. As an OE replacement part, it is designed to provide reliable service in Mazda 3 and Mazda 3 Sport vehicles. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on delivering precise HVAC hose and pipe solutions tailored to vehicle-specific requirements. This line includes components engineered for optimal refrigerant flow and system pressure management. The Hose Assembly 66675 exemplifies this approach by combining quality materials and exact fitment for Mazda 3 models, ensuring dependable air conditioning system performance.

BrandFour Seasons
Part Number66675
PositionHose Assembly
MaterialAluminum / rubber
End 1 TypeMale springlock
End 2 TypeP-nut fitting
Refrigerant TypeR134a
Component TypeSuction line
System PressureLow pressure
Gasket Or Seal IncludedIncluded
Switch Service PortW/o switch port
Fittings IncludedIncluded
Bracket?W/o bracket
DescriptionHose assemblies
Muffler?W/o muffler
O-Ring A Number/Desc[24678] / green o-ring
O-Ring A Quantity3
O-Ring B Number/Desc[24150] / black o-ring
O-Ring B Quantity1
O.E. Replacement?Yes
Service Port Qty1
Service Port Size13 mm
Service Port?W/ service port
Suction End TypeP-nut fitting
Sve Port Low SideLow side
Switch Included?Not included

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013Mazda32.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2013Mazda3 Sport2.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2012Mazda32.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2012Mazda3 Sport2.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2011Mazda32.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2011Mazda3 Sport2.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2010Mazda32.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2010Mazda3 Sport2.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

211586481305066675785808A83193BBN261462ABBN261462BHA111469C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.