HomeHVAC > Hoses and PipesFour Seasons 55457 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 55457

Four Seasons 55457 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
18 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Chevrolet and GMC, S10, S10 Blazer, S15, and S15 Jimmy
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Overview of Four Seasons Hose Assembly 55457

The Four Seasons Hose Assembly 55457 is designed specifically for Chevrolet and GMC models including the S10, S10 Blazer, S15, and S15 Jimmy. This A/C refrigerant discharge and suction hose assembly ensures reliable performance in your vehicle's HVAC system by using durable aluminum and rubber materials.

  • Constructed from aluminum and rubber for durability and flexibility
  • Compatible with R134a refrigerant systems
  • Includes green o-rings for secure sealing (part numbers 24608, 24612, 24615)
  • Female o-ring fittings on both discharge and suction ends
  • OE replacement part designed for Chevrolet and GMC S-series trucks and SUVs
  • Manifold included; no bracket, muffler, or switch service port included

Detailed Product Description

This Four Seasons Hose Assembly 55457 belongs to the Hose Assembly product line, which focuses on providing high-quality hose and pipe solutions for automotive HVAC systems. The assembly is engineered to meet original equipment specifications, ensuring proper fit and function for Chevrolet S10, S10 Blazer, S15, and S15 Jimmy models. It features a combination of aluminum and rubber materials that offer resistance to wear and heat, essential for maintaining the integrity of the A/C refrigerant discharge and suction lines.

The hose assembly is designed for use with R134a refrigerant and includes multiple green o-rings (part numbers 24608, 24612, and 24615) to ensure leak-free connections. Both the discharge and suction ends use female UNF o-ring fittings, providing a secure and reliable seal without the need for additional fittings or brackets. This assembly does not include a service port, switch, muffler, or bracket, which simplifies installation and reduces potential failure points.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant discharge and suction hoses
  • Resolving refrigerant leaks caused by cracked or deteriorated hose materials
  • Restoring proper refrigerant flow in Chevrolet and GMC S10, S10 Blazer, S15, and S15 Jimmy HVAC systems
  • Eliminating poor A/C performance due to faulty hose assemblies
  • Addressing issues related to improper sealing or fitting failures in the A/C lines

Installation Notes and Tips

  • Ensure compatibility with Chevrolet and GMC S10, S10 Blazer, S15, and S15 Jimmy models before installation
  • Inspect all included green o-rings and replace if damaged during installation
  • Use proper torque specifications on female UNF o-ring fittings to avoid leaks
  • Verify that the manifold is properly seated and connected
  • Do not attempt to install if fittings or hose show signs of damage

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55457 is manufactured to meet or exceed original equipment standards for durability and performance. It is an OE replacement part designed to maintain the integrity of your vehicle’s HVAC system. The product includes all necessary o-rings for sealing and is backed by Four Seasons’ quality assurance protocols. Warranty details should be confirmed with the product documentation or manufacturer.

BrandFour Seasons
Part Number55457
PositionHose Assembly
Bracket?w/o Bracket
Discharge End StyleUNF O-Ring
Discharge End TypeFemale O-Ring
Fittings IncludedNot Included
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Manifold?Yes
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24608] / Green O-Ring
O-Ring B Number/Desc[24612] / Green O-Ring
O-Ring C Number/Desc[24615] / Green O-Ring
O-Rings Included?Included
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End StyleUNF O-Ring
Suction End TypeFemale O-Ring
Switch Included?w/o Switch Port
TypeDischarge & Suction Line

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1986ChevroletS102.8LV6N/AHose Assembly
1986ChevroletS10 Blazer2.8LV6N/AHose Assembly
1986GMCS152.8LV6N/AHose Assembly
1986GMCS15 Jimmy2.8LV6N/AHose Assembly
1985ChevroletS102.8LV6N/AHose Assembly
1985ChevroletS10 Blazer2.8LV6N/AHose Assembly
1985GMCS152.8LV6N/AHose Assembly
1985GMCS15 Jimmy2.8LV6N/AHose Assembly
1984ChevroletS102.8LV6N/AHose Assembly
1984ChevroletS10 Blazer2.8LV6N/AHose Assembly
1984GMCS152.8LV6N/AHose Assembly
1984GMCS15 Jimmy2.8LV6N/AHose Assembly
1983ChevroletS102.8LV6N/AHose Assembly
1983ChevroletS10 Blazer2.8LV6N/AHose Assembly
1983GMCS152.8LV6N/AHose Assembly
1983GMCS15 Jimmy2.8LV6N/AHose Assembly
1982ChevroletS102.8LV6N/AHose Assembly
1982GMCS152.8LV6N/AHose 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:

01473892063390902051115545715300391559842419300392006872474712594805348053781151481131155457704860781151A70687AC5357CWK781151HA111880CHA5702T55457XH471

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