The Red Dot 71R8465 Expansion Valve is a 1.5-ton, flange-mount block-type TXV designed for Navistar sleeper units and Volvo HVAC systems that use a compact, block-style refrigerant control valve. Its flange-mount block configuration provides a secure, leak-resistant connection while maintaining consistent refrigerant flow under varying load conditions.
This valve uses female O-ring (FO) connections on both hose and evaporator sides, making it compatible with common heavy-duty mobile A/C plumbing layouts. The 71R8465 is commonly referenced under Navistar OE 3599589-C1 and Volvo OE 85104197, and is well suited for sleeper cab and on-road HVAC applications where reliable metering and stable cooling performance are required.
Use the specifications and interchange numbers below to confirm proper fitment before ordering.
Product Specifications
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Part Type: A/C Expansion Valve
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Valve Style: Block-Type, Flange Mount
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Capacity: 1.5 Ton
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Red Dot Part No.: 71R8465
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Red Dot Factory No.: RD-5-14618-0P
OE / Application Notes
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Navistar Sleeper Unit: OE# 3599589-C1
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Volvo: OE# 85104197
Connections (Female O-Ring / Flange Mount)
Hose Side
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Inlet: #6 FO
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Outlet: #10 FO
Evaporator Side
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Inlet: #8 FO
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Outlet: #10 FO
Mounting
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Mounting Style: Flange-Mount Block
Cross References
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Texas Truck A/C: 450-6562, 450-6562A
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AirSource / MEI: 1672
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Behr: 351234451
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Behr Hella Service: 351336231
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Behr OE: A1722
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Bergstrom: 1000477644
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CoolStar / MEI: 520-1065
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Navistar International: 2613243-C91, 3599589-C1, BOA96398, FLTEV2613243
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NDNS: 2613243C91, 3599589C1
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Omega: 31-31257
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Primatech: PTAC1672
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Road Choice: EV01065
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Truck Air / MEI: 12-1604A
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TruckAC+: T3540
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Volvo: 85104197
Interchange Numbers
1672, 1672G, 1813014, 1818007, 31-31257, 3599589C1, 3618243C91, 4379-RD5146180P, 71R8465, 85104197, 93-235, ABP N83 308014, BOA96398, RDHRD5146180P, RDT71R8465
(Always verify tonnage, flange-mount configuration, and O-ring port sizes prior to installation.)
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