HomeHVAC > Hoses and PipesFour Seasons 66736 A/C Refrigerant Suction Hose
Part #: 66736

Four Seasons 66736 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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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: Nissan, Sentra
🔄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 66736

The Four Seasons Hose Assembly 66736 is designed specifically for Nissan Sentra models requiring a reliable A/C refrigerant suction hose. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system integrity for vehicles using R134a refrigerant.

  • Material: Aluminum and rubber construction for durability and flexibility
  • End 1 Type: P-nut fitting for secure connection
  • Refrigerant Type: Compatible with R134a refrigerant
  • Includes gasket and fittings for complete installation
  • Service port included with 13 mm size and valve core for low side access
  • O-rings included: black [24150] and green [24684] for proper sealing
  • OE replacement part designed to meet Nissan Sentra specifications

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is engineered to replace the A/C refrigerant suction hose in Nissan Sentra vehicles. The combination of aluminum and rubber materials provides a balance of strength and flexibility, essential for maintaining refrigerant flow under varying engine conditions. The included P-nut fitting ensures a secure and leak-free connection to the A/C system. This hose assembly is compatible with R134a refrigerant, the standard for many modern vehicles, including the Nissan Sentra.

The assembly comes complete with necessary fittings, a gasket, and two O-rings (black and green) to ensure a tight seal and prevent refrigerant leaks. Additionally, it features a service port with a 13 mm size and valve core, allowing for easy maintenance and refrigerant charging without removing the hose. This part is an OE replacement, designed to meet original equipment specifications for a direct fit and reliable performance.

Applications and Common Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses in Nissan Sentra models
  • Fixing refrigerant leaks caused by cracked or deteriorated hose materials
  • Resolving low refrigerant pressure issues affecting A/C system performance
  • Addressing poor A/C cooling due to compromised suction line integrity
  • Upgrading to an OE replacement hose assembly for improved system reliability

Installation Notes and Tips

  • Ensure the vehicle is compatible: specifically designed for Nissan Sentra models
  • Use the included gasket and O-rings to prevent leaks during installation
  • Verify the P-nut fitting is properly tightened to avoid refrigerant loss
  • Check the service port valve core for proper function before recharging the system
  • Follow manufacturer guidelines for refrigerant handling and safety

Quality Assurance and Warranty

Four Seasons Hose Assembly 66736 is manufactured to meet or exceed OEM standards for fit, form, and function. This part is an OE replacement, ensuring compatibility and performance consistent with original Nissan Sentra components. The product includes all necessary seals and fittings to maintain system integrity. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.

BrandFour Seasons
Part Number66736
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24150] / Black O-Ring
O-Ring B Number/Desc[24684] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port Cap Low Side59932
Service Port Size13 mm
Service Port Valve Core Low Side59347
Service Port?w/ Service Port
Switch Included?Not Included

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006NissanSentra2.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2005NissanSentra2.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2004NissanSentra2.5LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2003NissanSentra2.5LL4N/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:

481162757055566736785910801184924804Z702A83308HA111630C

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