70R4342S 45° Male O-Ring Refrigerant Steel Fitting – #12 Fitting x #12 Hose

The 70R4342S 45° male O-ring refrigerant fitting provides a durable and reliable solution for routing refrigerant lines in tight or angled installations. Because it is manufactured from steel and uses an O-ring sealing surface, it delivers consistent sealing performance in demanding heavy-duty environments.

Additionally, this fitting is widely referenced across major OEM platforms. As a result, it is commonly found in Caterpillar, Freightliner, Mack, and Volvo HVAC systems. Its angled design helps reduce hose stress, while the male O-ring connection ensures proper sealing under pressure.

For best results, this fitting should always be paired with compatible barrier refrigerant hose and installed according to industry standards.

Key Features

• 45-degree male O-ring refrigerant fitting

• Steel construction for durability

• Designed for #12 hose connections

• Supports high-pressure A/C systems

• Commonly used in heavy-duty OEM applications

Product Specifications

• Part Number: 70R4342S

• Factory Part Number: RD-5-8264-0P

• Fitting Type: Male O-Ring

• Angle: 45 Degree

• Material: Steel

• Thread Size: 1-1/16″-16

• Fitting Size: #12

• Hose Size: #12

• Port: N/A

Major OEM & Manufacturer Part Numbers

This fitting is referenced by multiple major manufacturers, making it a strong match for heavy-duty and fleet service needs:

• Caterpillar: 232-8040

• Freightliner: RDH RD5 8264 0

• Mack: 4379-RD582640

• Volvo: RDHRD582640P

• Alliance: ABP N83 311552

• Air Source / MEI: 4396S

• JBAR: 406068

• Kysor: 2611154

• Truck Air: 08-5464BS

Cross References

• Texas Truck AC: 550-SB4023

• Airsource / MEI: 4396S

• Alliance: ABP N83 311552

• ATCO: SB1414

• CoolStar / MEI: 605-4464

• Euclid: E-808821-12

• JBAR: 406068

• NDNS: ABPN83311552

• Primatech: PTAC4396S

• Truck Air / MEI: 08-5464BS

• TruckAC+: T1375

• TTA/C: 40-SB1414

• Roadforce: RF4485510209

Interchange Numbers

08-5464BS, 232-8040, 2611154, 35-S1414, 406068, 409128, 4379-RD582640, 4379-RD582640P, 4396S, 550-SB4023, 70R4342S, ABP N83 311552, E-808821-12, RDH RD5 8264 0, RDHRD582640P, RDT70R4342S