78R0458 – No. 8 Internal Nylon Barrier Refrigerant Hose

The 78R0458 internal nylon barrier refrigerant hose is designed for demanding heavy-duty mobile A/C applications where reduced permeation, durability, and flexibility are essential. Its internal nylon barrier construction helps minimize refrigerant and chemical permeation while maintaining excellent pressure resistance and long service life.

This SAE No. 8 hose features a 13/32-inch inside diameter and is compatible with beadlock or bubble-style crimp fittings, making it suitable for OEM, fleet, and aftermarket HVAC installations across on-highway and off-highway equipment.

Note: Hose is sold by the foot. Order quantity determines total length supplied.

Product Specifications

• Part No.: 78R0458

• Factory No.: RD-5-5008-600P

• Hose Type: Internal Nylon Barrier Refrigerant Hose

• SAE Hose Size: No. 8

• Inside Diameter: 13/32″

• Maximum Outside Diameter: 29/32″

• Fitting Compatibility: Beadlock or Bubble Crimp

• Application: Heavy-Duty Mobile A/C Systems

OEM / Supplier Part Numbers

• AirSource / MEI: 8508

• Alliance: ABP N83 313108, ABP N83 313118

• Bergstrom: 550307, 550308

• Carrier A/C: 311-007

• Caterpillar: AA1040

• Climatech: D1037-3037

• Four Seasons: 55018

• Mack: 55008600

• Truck Air: 09-5068

• Volvo: 3949323

Cross References

• Texas Truck A/C: 650-4808

• CoolCab: 984068

• CoolStar / MEI: 750-1008

• DTAC: 10-18010

• Euclid: E-808991

• Fleetrite: ZGG16972

• Four Seasons: 55418

• Kysor: 2610002

• Mobile Climate Control: 301-101, 311-007

• Murray: 200068

• NDNS: ABPN83313108, ABPN83313118

• Omega: 34-14931-50

• Primatech: PTAC8508

• Roadforce: RF2425503445

• Truck Air / MEI: 25082

• TruckAC+: T3853

• TTA/C: 41-2008

• Veyance Technologies: 20139510

• Western Star: 5724-3402

Interchange Numbers

09-5068, 200068, 237-0882, 2610002,
301-101, 311-007, 3918309, 3949323,
403277, 4379-RD55008600, 4379-RD55008600P,
55018, 550307, 55418, 5724-3402,
650-4808, 750-1008, 752-1008,
78R0458, 8508, AA10400, AA10850,
ABP N83 313108, ABP N83 313118,
D1037-3037, D1037-3040, E-808991,
HOS1102, RDHRD55008600P,
RDT78R0458, ZGG16972

Installation Note

Compatible with beadlock or bubble-style crimp fittings only. Always verify hose size and fitting compatibility prior to assembly.