The Red Dot 71R8300 A/C Expansion Valve is a standard block-style TXV designed for mobile air conditioning systems that use a multi-port block configuration at the evaporator. Block-style expansion valves are commonly used where hose and evaporator connections are integrated into a single, compact body for clean routing and consistent refrigerant flow.
Rated at 1½ ton, the 71R8300 features flare-O (FO) connections on both the hose side and evaporator side, making it suitable for a wide range of on-highway and off-highway HVAC applications. This valve is commonly referenced by its factory number RD-5-6868-0P and is used where a direct block replacement is required.
Use the specifications and interchange numbers below to confirm the correct match before ordering.
Product Specifications
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Part Type: A/C Expansion Valve
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Valve Style: Standard Block
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Red Dot Part No.: 71R8300
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Red Dot Factory No.: RD-5-6868-0P
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Capacity Rating: 1½ Ton
Connections:
Hose Side
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Inlet: #6 Flare-O (FO)
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Outlet: #10 Flare-O (FO)
Evaporator Side
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Inlet: #8 Flare-O (FO)
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Outlet: #8 Flare-O (FO)
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Application: Mobile A/C systems using block-style expansion valves
OEM & Interchange Numbers
OEM / Factory References:
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Red Dot Factory: RD-5-6868-0P
Aftermarket / Interchange:
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Texas Truck AC: 450-6511
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Annex: 329-406
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TruckAC+: T3564
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Red Dot Aftermarket: 71R8300
Additional Interchange References:
04-1244, 12-0612A, 12-0613, 12-0613A, 1696476, 232-8556, 24191891, 3916657, 4379-RD568680, 4379-RD568680P, 4379-RD568681, 60012-4401, 60012-5001, 60058-3401, ABP N83 308011, RDHRD568680P, RDT71R8300
(Always verify block configuration, flare sizes, and tonnage rating prior to installation.)
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