HomeHVAC > Hoses and PipesFour Seasons 55878 A/C Refrigerant Suction Hose - Front
Part #: 55878

Four Seasons 55878 A/C Refrigerant Suction Hose - Front

Hose Assembly, Front
19 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$91.59Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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, Front
Fitment: Ford, F-250 HD, F-350, F-250, Bronco, F-150, and F-200
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable A/C Refrigerant Suction Hose for Ford Trucks

The Four Seasons Hose Assembly part number 55878 is designed to maintain efficient air conditioning performance in select Ford trucks. Engineered with durable aluminum and rubber materials, this A/C refrigerant suction hose ensures proper refrigerant flow and system reliability for models like the Ford Bronco, F-150, F-200, F-250, F-250 HD, and F-350.

  • Constructed from aluminum and rubber for durability and flexibility
  • Compatible with R12 refrigerant systems
  • Features female o-ring and UNF o-ring end fittings
  • Includes green o-rings and necessary fittings for installation
  • Designed as a low-pressure suction line without a service port or muffler
  • OE replacement part ensuring proper fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hose assemblies tailored for HVAC systems in vehicles. This product line emphasizes compatibility and durability, offering components that meet or exceed original equipment specifications. The 55878 suction hose assembly is part of this line, delivering reliable performance for Ford truck air conditioning systems by using materials and fittings designed for long-term service.

Detailed Product Description

This A/C refrigerant suction hose is constructed with a combination of aluminum and rubber, providing a balance of strength and flexibility necessary for HVAC system operation. It is specifically designed for low-pressure refrigerant flow using R12 refrigerant, making it suitable for older Ford truck models. The hose features a female o-ring fitting on one end and a UNF o-ring fitting on the other, both sealed with green o-rings included in the package. The assembly comes without a service port, muffler, bracket, or switch, focusing on the essential suction line function. As an OE replacement, part number 55878 ensures a precise fit and reliable sealing to prevent leaks and maintain system efficiency.

Common Applications and Issues Addressed

  • Replacement of worn or cracked A/C suction hoses in Ford Bronco and F-Series trucks
  • Resolving refrigerant leaks caused by damaged or degraded hose assemblies
  • Restoring proper refrigerant flow in low-pressure A/C system circuits
  • Eliminating system inefficiencies due to faulty or missing seals
  • Maintaining original equipment standards for HVAC hose connections

Installation Notes and Tips

When installing the Four Seasons 55878 suction hose assembly, ensure all old hoses and fittings are removed and the connection points are clean. Use the included green o-rings to achieve a proper seal at both ends. Since this hose does not include a service port or bracket, verify that the existing mounting points and system components are intact and compatible. Proper torque on fittings is essential to prevent leaks. It is recommended to have the A/C system evacuated and recharged by a qualified technician after installation.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed original equipment standards. The Hose Assembly 55878 is an OE replacement part, ensuring compatibility and performance for Ford Bronco and F-Series trucks. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandFour Seasons
Part Number55878
PositionHose Assembly, Front
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeFemale O-Ring
End 2 TypeUNF O-Ring
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
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 19 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997FordF-250 HD7.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1997FordF-3507.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1996FordF-2507.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1996FordF-3507.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1995FordF-2507.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1995FordF-3507.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1994FordF-2507.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1994FordF-3507.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1993FordF-2507.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1993FordF-3507.3LV8FrontSuction Line; Dealer Air; Hose Assembly
1988FordF-2507.3LV8N/ASuction Line; Pre Charged System, w/ Manual Shut-Off Valve at Compressor; Hose Assembly
1988FordF-3507.3LV8N/ASuction Line; Pre Charged System, w/ Manual Shut-Off Valve at Compressor; Hose Assembly
1987FordBronco5.0LV8N/ASuction Line; Pre Charged System, w/ Manual Shut-Off Valve at Compressor; Hose Assembly
1987FordF-1505.0LV8N/ASuction Line; Pre Charged System, w/ Manual Shut-Off Valve at Compressor; Hose Assembly
1987FordF-200N/ASuction Line; Pre Charged System, w/ Manual Shut-Off Valve at Compressor; Hose Assembly
1987FordF-2505.0LV8N/ASuction Line; Pre Charged System, w/ Manual Shut-Off Valve at Compressor; Hose Assembly
1987FordF-2506.9LV8N/ASuction Line; Pre Charged System, w/ Manual Shut-Off Valve at Compressor; Hose Assembly
1987FordF-3505.0LV8N/ASuction Line; Pre Charged System, w/ Manual Shut-Off Valve at Compressor; Hose Assembly
1987FordF-3506.9LV8N/ASuction Line; Pre Charged System, w/ Manual Shut-Off Valve at Compressor; 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:

11155878153165719144519191666200986247742279898346414635813378505948123895587860729378505988918338A70986AC5617CWK785059E7TZ19867GHA10272T55878XH742YF1445

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