The 70R9308S straight male O-ring fitting is engineered for mobile air conditioning applications that require a direct #8 male O-ring connection to a #8 refrigerant hose. Its steel construction provides excellent strength and vibration resistance, while the reduced beadlock design supports dependable hose retention with a slimmer overall profile.
This fitting is well suited for heavy-duty truck and industrial HVAC systems where durability, space efficiency, and long-term sealing performance are critical. Broad OEM and aftermarket cross references make it a dependable option for service repairs and custom hose assemblies.
Product Specifications
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Part No.: 70R9308S
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Factory No.: RD-5-8911-0P
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Type: Straight
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Material: Steel
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Fitting Style: Male O-Ring
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Connection: #8 Male O-Ring × #8 Hose
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Thread: 3⁄4″ – 18
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Fitting Size: #8
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Hose Size: #8
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Hose End: Reduced Beadlock
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Service Port: N/A
OEM Part Numbers
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Air Source / MEI: 4390SR
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Alliance: ABP N83 310438
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Freightliner: RDH RD5 8911 0
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Mack: 4379-RD589110
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Volvo: RDHRD589110P
Aftermarket & Industry Cross References
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TRUCK AIR – MEI: 08-5062BR
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OMEGA: 35-R1402-STL
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TEXAS TRUCK AC: 550-SR4011
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COOLSTAR – MEI: 610-4062
Interchange Numbers
08-5062BR, 232-8263, 35-R1402-STL, 4379-RD589110, 4379-RD589110P, 4390SR, 550-SR4011, 610-4062, 70R9308S, ABP N83 310438, FT54062, RDH RD5 8911 0, RDHRD589110P, RDT70R9308S
Important Installation Note
For all refrigerant fittings, be sure to use Red Dot refrigerant hose or equivalent.
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