HomeHVAC > Hoses and PipesFour Seasons 55979 A/C Refrigerant Suction Hose
Part #: 55979

Four Seasons 55979 A/C Refrigerant Suction Hose

Hose Assembly
15 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Volvo, 740, 760, and 745
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons Hose Assembly 55979

The Four Seasons Hose Assembly 55979 is designed specifically for Volvo 740, 745, and 760 models. This A/C refrigerant suction hose ensures reliable low-pressure operation within your vehicle's HVAC system, maintaining optimal air conditioning performance.

  • Compatible with Volvo 740, 745, and 760 models
  • Part number 55979 for precise identification
  • Female o-ring fittings on both ends for secure connections
  • Includes green o-rings [24610] and [24612] for effective sealing
  • Designed for R12 refrigerant systems
  • Includes necessary fittings and gasket/seal
  • Low-pressure suction line without switch or muffler

Detailed Product Description

The Four Seasons Hose Assembly 55979 belongs to the Hose Assembly product line, which focuses on delivering durable and reliable hose solutions for automotive HVAC systems. This particular suction hose is engineered to replace original equipment (O.E.) parts, ensuring compatibility and performance for Volvo 740, 745, and 760 vehicles. Featuring female o-ring connections on both ends, it provides a secure and leak-resistant fit. The hose is designed for use with R12 refrigerant and operates under low system pressure, making it suitable for older Volvo models that utilize this refrigerant type. Included with the hose are green o-rings [24610] and [24612], along with fittings and a gasket or seal, facilitating a complete and proper installation without the need for additional parts.

Common Applications and Issues Addressed

  • Replacement of worn or cracked A/C refrigerant suction hoses
  • Elimination of refrigerant leaks caused by damaged seals or fittings
  • Restoration of proper low-pressure refrigerant flow in Volvo 740, 745, and 760 HVAC systems
  • Resolution of A/C system inefficiencies due to faulty suction lines
  • Maintenance of system integrity without the need for a service port or switch

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55979, ensure that the female o-ring fittings are properly seated to prevent leaks. The included green o-rings should be inspected for damage before installation and replaced if necessary. Since this hose assembly does not include a bracket or muffler, verify that the existing mounting points and supports on the vehicle are intact and secure. This part is designed as a direct O.E. replacement, so no modifications should be required for Volvo 740, 745, and 760 models using R12 refrigerant systems.

Quality Assurance and Warranty

Four Seasons manufactures the Hose Assembly 55979 to meet or exceed original equipment standards, ensuring reliable performance and durability. This part is an O.E. replacement, providing confidence in fit and function. The product includes all necessary fittings and seals to support a proper installation. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use conditions.

BrandFour Seasons
Part Number55979
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeFemale O-Ring
End 2 TypeFemale O-Ring
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Muffler?w/o Muffler
O-Ring A Number/Desc[24610] / Green O-Ring
O-Ring B Number/Desc[24612] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR12
Service Port?w/o Service Port
Suction End TypeFemale O-Ring
Switch Included?Not Included
System PressureLow Pressure

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991Volvo7402.3LL4N/ASuction Line; Hose Assembly
1990Volvo7402.3LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1990Volvo7602.8LV6N/ASuction Line; To Condenser; Hose Assembly
1989Volvo7402.3LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1989Volvo7602.8LV6N/ASuction Line; To Condenser; Hose Assembly
1988Volvo7402.3LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1988Volvo7602.8LV6N/ASuction Line; To Condenser; Hose Assembly
1987Volvo7402.3LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1987Volvo7602.8LV6N/ASuction Line; To Condenser; Hose Assembly
1986Volvo7402.3LL4N/ASuction Line; To Condenser; Hose Assembly
1986Volvo7402.4LL6N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1986Volvo7602.8LV6N/ASuction Line; To Condenser; Hose Assembly
1985Volvo740N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1985Volvo745N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1985Volvo7602.3LL4N/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:

111559791348538134853801348538815337461914506119191684200969294178534623378514455979785144802675A70969CWK785144HA1935T55979

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