The 70R9071S straight splicer fitting is engineered for mobile air conditioning applications that require joining two #10 refrigerant hoses while maintaining system serviceability. Its steel construction delivers excellent strength and vibration resistance, while the reduced beadlock hose ends support reliable crimping with a slimmer overall profile.
An integrated 13mm R134a charge port allows for convenient charging and diagnostics without additional adapters. This fitting is well suited for heavy-duty truck and industrial HVAC applications where durability, space efficiency, and service access are critical. Broad OEM and aftermarket cross references make it a dependable solution for repairs and custom hose assemblies.
Product Specifications
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Part No.: 70R9071S
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Factory No.: RD-5-8921-0P
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Type: Straight Splicer
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Material: Steel
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Fitting Style: Splicer
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Connection: #10 x #10
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Fitting Size: #10
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Hose Size: #10
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Hose End: Reduced Beadlock
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Service Port: 13mm (R134a)
OEM Part Numbers
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Air Source / MEI: 4580SR
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Alliance: ABP N83 311960
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Climatech: D2054-4672
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Mack: 4379-RD589210
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Truck Air: 08-3423BR
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Volvo: RDHRD589210P
Aftermarket & Industry Cross References
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TEXAS TRUCK AC: 550-SR5012-6
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AIRSOURCE – MEI: 4580SR
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ATCO: SR6103-3
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COOLSTAR – MEI: 610-2423
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NDNS: ABPN83311960
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OMEGA: 35-R6103-3STL
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PRIMATECH: PTAC4580SR
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TRUCK AIR – MEI: 08-3423BR, 083423BR
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TRUCKAC+: T1186
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TTA/C: 40-SR6103-3
Interchange Numbers
08-3423BR, 232-8256, 35-R6103-3STL, 4379-RD589210, 4379-RD589210P, 4580SR, 550-SR5012-6, 610-2423, 70R9071S, ABP N83 311960, D2054-4672, FT52423, RDHRD589210P, RDT70R9071S
Important Installation Note
For all refrigerant fittings, be sure to use Red Dot refrigerant hose or equivalent.

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