The Red Dot 71R8491 Top Mounting Plate / Flange Bracket is designed for flange-mount block-style A/C expansion valves that require a 3/8 in. x 5/8 in. opening. This mounting plate provides proper alignment and secure retention of the expansion valve in plate-mount HVAC assemblies.
Commonly referenced under Alliance ABP N83 308121 and Volvo RDHRD571870P, the 71R8491 is used in applications where correct valve positioning is critical to maintaining refrigerant flow integrity and sealing performance. It is intended for use with compatible Red Dot block expansion valves and related OEM configurations.
Use the specifications and interchange numbers below to confirm compatibility before ordering.
Product Specifications
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Part Type: Expansion Valve Mounting Plate / Flange Bracket
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Mounting Style: Top Mount, Plate / Flange
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Red Dot Part No.: 71R8491
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Red Dot Factory No.: RD-5-7187-0P
Application
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For flange-mount block expansion valves with a 3/8 in. x 5/8 in. opening
OE / Reference Numbers
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Alliance: ABP N83 308121
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Volvo: RDHRD571870P
Interchange Numbers
4379-RD571870
4379-RD571870P
71R8491
ABP N83 308121
RDHRD571870P
RDT71R8491
(Verify opening size and mating expansion valve style prior to installation.)
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