Four Seasons
Hose Assembly

Four Seasons 55740 A/C Refrigerant Suction Hose

Brand Four Seasons 55740
Bracket? w/o Bracket
Component Type Suction Line
Description Hose Assemblies
End 1 Type Springlock
End 2 Type Female Springlock
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 [24672] / Green O-Ring
O-Ring B Number/Desc [24220] / Spring
O.E. Replacement? Yes
Refrigerant Type R12
Service Port? w/ Service Port
Suction End Type Springlock
Switch Included? Not Included
System Pressure Low Pressure
Product line Hose Assembly
Fits Ford, Mercury, and Lincoln · 10 vehicles

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

Aluminum / rubber construction. Combines strength and flexibility in a low-pressure line.

Fittings included. Ready for installation with seals and fittings supplied.

Cross-references Anchor 3598, ATE 607172 and Dorman - HELP 69012 for the same application. See all 30.

$50.01Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
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Step 2 — Quantity
Order total $50.01
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons 55740 A/C Suction Hose

The Four Seasons 55740 is an OE replacement A/C refrigerant suction hose assembly for low-pressure HVAC service. Built with aluminum and rubber construction, it uses springlock and female springlock ends for direct connection in supported applications.

Compatible with 1989-1991 Ford LTD Crown Victoria, 1990-1991 Mercury Colony Park, 1989-1991 Mercury Grand Marquis, and 1989-1990 Lincoln Town Car, this hose assembly is specified for R12 refrigerant systems. The Four Seasons Hose Assembly line focuses on replacement HVAC hose and pipe components for vehicle-specific fitment.

Key Features

  • Part number 55740 A/C refrigerant suction hose assembly
  • Aluminum / rubber construction for HVAC routing and flexibility
  • Springlock to female springlock connection style
  • Low-pressure suction line for R12 refrigerant systems
  • Gasket or seal included for service-ready installation
  • Fittings included; service port included; no switch port
  • OE replacement design for supported Ford, Mercury, and Lincoln applications

Product Details

This Four Seasons 55740 suction line is built for the A/C refrigerant return side, where low-pressure vapor travels back through the HVAC system. It is configured with springlock-style ends and includes the specified seals and fittings for the listed applications. For buyers searching for a Ford LTD Crown Victoria A/C suction hose, Mercury Grand Marquis refrigerant hose, or Lincoln Town Car HVAC hose assembly, this part number 55740 matches the OE replacement format used in those vehicles.

This part cross-references Dorman - HELP 69012 for the same application.

Common Problems This Part Can Address

  • Refrigerant loss from a cracked or leaking suction hose
  • Damaged springlock connections at the A/C line ends
  • Restricted low-pressure refrigerant flow in the HVAC system
  • Corrosion or deterioration in the original hose assembly
  • Failed service-port-equipped suction line on supported vehicles

Installation Notes

Verify refrigerant type, line routing, and end connections before installation. Replace seals during service, inspect mating springlock fittings for wear, and confirm the hose is routed without kinks or contact points. This hose assembly is for vehicles using the listed OE-style springlock configuration and R12 system specification.

Quality Assurance

Four Seasons supplies OE replacement HVAC hose assemblies engineered to match vehicle-specific fitment and connection style. Part number 55740 is built to the listed application requirements for supported Ford, Mercury, and Lincoln models.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1991FordLTD Crown VictoriaN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1991MercuryColony ParkN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1991MercuryGrand MarquisN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1990FordLTD Crown VictoriaN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1990LincolnTown CarN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1990MercuryColony ParkN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1990MercuryGrand MarquisN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1989FordLTD Crown VictoriaN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1989LincolnTown CarN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1989MercuryGrand MarquisN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
Directly replaces or cross-references 30 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 3598ATE — 607172Dorman - HELP — 69012Four Seasons — 55740Global Parts Distributors LLC — 4811440UAC — HA112134C062551932302009212472585722586200546200587850171531598272665834633163785017111557401919163088918279A70921AC5454AC5454GCWK785017F0VY19867BHA9365T55740XH258YF1839