The 70R4598S 90-degree male insert O-ring refrigerant fitting is engineered for demanding HVAC applications where space, durability, and sealing reliability matter. Because of its angled configuration, it allows improved hose routing while reducing stress on connected components.
In addition, the steel construction ensures long service life under vibration, pressure, and temperature changes. As a result, this fitting is commonly used across heavy-duty trucks, construction equipment, and off-highway machinery requiring dependable refrigerant connections.
For best results, always pair this fitting with compatible barrier hose and follow proper refrigerant handling procedures.
Key Features
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90-degree male insert O-ring refrigerant fitting
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Designed for #8 hose connections
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Steel construction for strength and durability
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Insert O-ring design for secure, leak-resistant sealing
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Ideal for heavy-duty HVAC and mobile A/C systems
Product Specifications
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Part Number: 70R4598S
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Factory Part Number: RD-5-8280-0P
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Fitting Type: Male Insert O-Ring
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Configuration: 90 Degree
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Material: Steel
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Thread Size: 3/4″-16
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Fitting Size: #8
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Hose Size: #8
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Service Port: None
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Condition: New
OEM & Major Manufacturer Part Numbers
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Caterpillar: 232-8091
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Mack: 4379-RD582800
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Volvo: RDHRD582800P
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Alliance: ABP N83 311828
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Air Source: 4475S
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Kysor: 2611392
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Truck Air: 08-5952BS
Cross References
TEXAS TRUCK AC 550-SB2531
AIRSOURCE – MEI 4475S
ALLIANCE ABP N83 311828
ATCO SB1822
BERGSTROM 551091
COOLSTAR – MEI 605-4952
KYSOR 2611392
KYSOR – OLD 409135
NDNS ABPN83311828
PRIMATECH PTAC4475S
ROADFORCE RF2755510968
TRUCK AIR – MEI 08-5952BS
TRUCKAC+ T1780
TTA/C 40-SB1822
Interchange Numbers
08-5952BS, 232-8091, 2611392, 35-S1822, 409135, 4379-RD582800, 4379-RD582800, 4379-RD582800P, 4379-RD582800P, 4475S, 550-SB2531, 605-4952, 676429-14, 70R4598S, ABP N83 311828, ABP N83 311828, FT34952, RDHRD582800P, RDT70R4598S, RDT70R4598S
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