Four Seasons 55051 A/C Refrigerant Suction Hose
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Four Seasons
 Hose Assembly

Four Seasons 55051 A/C Refrigerant Suction Hose

Brand Four Seasons 55051
Bracket? w/ Bracket
Component Type Suction Line
Description Hose Assemblies
End 1 Type P-Nut Fitting
End 2 Type Captured O-Ring
Fittings Included Included
Friction Material Attachment w/o Switch Port
Gasket Or Seal Included Included
Material Aluminum / Rubber
Muffler? w/o Muffler
O-Ring A Number/Desc [24681] / Green O-Ring
O.E. Replacement? Yes
Refrigerant Type R134-A
Service Port Qty 1
Service Port Size 13 mm
Service Port Type R134-A Quick Disconnect
Service Port? w/ Service Port
Suction End Type P-Nut Fitting
Sve Port Low Side Low Side
Switch Included? Not Included
System Pressure Low Pressure
Product line Hose Assembly
Fits Mazda · 3 vehicles

OE replacement. Direct-fit suction hose assembly for straightforward service.

Aluminum / rubber construction. Balances strength with flexibility in the A/C line.

Includes fittings and seals. Ready for a complete refrigerant line connection.

Cross-references Four Seasons 55051, UAC HA111910C and 200120 for the same application. See all 16.

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OE A/C Suction Hose for Mazda Miata

Four Seasons 55051 is an OE replacement A/C refrigerant suction hose assembly for the low-pressure side of the air conditioning system. It is built with aluminum and rubber construction and includes the service port, bracket, fittings, gasket or seal, and captured O-ring connection points needed for a direct replacement on supported applications.

Compatible with 2001-2003 Mazda Miata models, this Four Seasons Hose Assembly line part is built for the suction line route used in R134-A systems. The Four Seasons 55051 is a direct-fit option for owners searching for a Mazda Miata A/C refrigerant suction hose, low-side suction line, or OE-style HVAC hose assembly replacement.

Key Features

  • Part number: 55051
  • Brand: Four Seasons Hose Assembly
  • Type: A/C refrigerant suction hose / suction line
  • Material: aluminum / rubber
  • Refrigerant type: R134-A
  • Low-pressure system component
  • End 1: P-nut fitting
  • End 2: captured O-ring
  • Service port included, 13 mm R134-A quick disconnect
  • Bracket included
  • OE replacement design
  • Fits 2001-2003 Mazda Miata

Product Details

This hose assembly routes refrigerant through the low-side suction circuit and connects with a P-nut fitting on one end and a captured O-ring seal on the other. It is specified for R134-A systems and includes the service port, fittings, bracket, and gasket or seal as listed for the application. Four Seasons 55051 is a practical replacement when the original suction hose is leaking, damaged, or no longer sealing properly in a Mazda Miata HVAC system.

This part cross-references UAC HA111910C for the same application.

Common Repair Uses

  • Repairing a leaking A/C suction hose on a Mazda Miata
  • Restoring low-side refrigerant flow in an R134-A system
  • Replacing a cracked, corroded, or worn hose assembly
  • Addressing poor A/C performance caused by suction-side refrigerant loss
  • Replacing an OE-style HVAC hose assembly with matching connection points

Installation Notes

Verify the vehicle uses the listed R134-A low-pressure suction line configuration before installation. Inspect mating surfaces, replace damaged seals as needed, and confirm the service port and bracket alignment match the original routing. After installation, evacuate and recharge the system according to factory service procedures and check for leaks at all connection points.

Quality Assurance

Four Seasons 55051 is an OE replacement hose assembly built to match the listed application details for 2001-2003 Mazda Miata models. The part is specified with the correct refrigerant type, service port style, and connection hardware details for direct replacement use.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2003MazdaMiataN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2002MazdaMiataN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2001MazdaMiataN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 55051UAC — HA111910C20012020623378533380100311155051A70117CWK785333NC72614T0ANC72614T0BNC72614T0CNC72614T0DNC72614T0ENC72614T0FT55051