HomeHVAC > Hoses and PipesFour Seasons 66715 A/C Refrigerant Suction Hose
Part #: 66715

Four Seasons 66715 A/C Refrigerant Suction Hose

Hose Assembly
11 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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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Mercedes-Benz, GL350, ML350, GL320, and ML320
Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 66715

The Four Seasons Hose Assembly 66715 is designed specifically for Mercedes-Benz GL320, GL350, ML320, and ML350 models. This A/C refrigerant suction hose ensures reliable performance in your vehicle's HVAC system by maintaining proper refrigerant flow and pressure.

  • Constructed from durable aluminum and rubber materials
  • Equipped with P-nut fittings on both ends for secure connections
  • Compatible with R134-a refrigerant type
  • Includes green O-rings [24684] and [24635] for effective sealing
  • OE replacement part ensuring direct fit and function
  • Fittings and gasket included for installation
  • Designed without a service port, muffler, bracket, or switch

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is engineered to meet the exact specifications of your Mercedes-Benz GL320, GL350, ML320, and ML350 models. The combination of aluminum and rubber materials provides durability and flexibility, essential for the suction line in the A/C system. Both ends feature P-nut fittings, which facilitate a secure and leak-free connection to the vehicle’s refrigerant system. The hose is designed for use with R134-a refrigerant, the standard for many modern vehicles.

The included green O-rings ([24684] and [24635]) ensure a tight seal, preventing refrigerant leaks and maintaining system efficiency. This hose assembly is an OE replacement part, meaning it matches the original equipment specifications for a direct fit without modification. The product does not include a service port, muffler, bracket, or switch, focusing solely on the suction line function.

Applications and Common Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses in Mercedes-Benz GL320, GL350, ML320, and ML350
  • Resolving refrigerant leaks caused by cracked or deteriorated hoses
  • Restoring proper refrigerant flow to improve A/C system performance
  • Eliminating issues related to poor sealing with included O-rings
  • Addressing suction line failures that cause system inefficiency or compressor damage

Installation Notes and Tips

  • Ensure compatibility with Mercedes-Benz GL320, GL350, ML320, and ML350 before installation
  • Use the included green O-rings to achieve a proper seal at both P-nut fittings
  • Inspect surrounding components for wear or damage during replacement
  • Follow manufacturer torque specifications for P-nut fittings to avoid leaks
  • Verify system pressure and refrigerant levels after installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66715 is manufactured to meet OE standards, providing reliable fit and function for your Mercedes-Benz GL320, GL350, ML320, and ML350. The Hose Assembly product line focuses on delivering durable and precise HVAC hose solutions. This part includes all necessary fittings and seals to ensure a proper installation. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.

BrandFour Seasons
Part Number66715
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
End 2 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[24684] / Green O-Ring
O-Ring B Number/Desc[24635] / Green Round O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134-A
Service Port?w/o Service Port
Suction End TypeP-Nut Fitting
Switch Included?Not Included

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012Mercedes-BenzGL350N/ASuction Line; Compressor End; Hose Assembly
2011Mercedes-BenzGL350N/ASuction Line; Compressor End; Hose Assembly
2011Mercedes-BenzML3503.0LV6N/ASuction Line; Compressor End; Hose Assembly
2010Mercedes-BenzGL350N/ASuction Line; Compressor End; Hose Assembly
2010Mercedes-BenzML3503.0LV6N/ASuction Line; Compressor End; Hose Assembly
2009Mercedes-BenzGL320N/ASuction Line; Compressor End; Hose Assembly
2009Mercedes-BenzML320N/ASuction Line; Compressor End; Hose Assembly
2008Mercedes-BenzGL320N/ASuction Line; Compressor End; Hose Assembly
2008Mercedes-BenzML320N/ASuction Line; Compressor End; Hose Assembly
2007Mercedes-BenzGL320N/ASuction Line; Compressor End; Hose Assembly
2007Mercedes-BenzML320N/ASuction Line; Compressor End; 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:

164830221521162666715785893800915A83245H7791HA111900C

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