The Red Dot 71R4020 control knob is a durable, flush-mount HVAC knob designed for clear visual reference and reliable operation. Its integrated pointer indicator allows for quick position recognition, making it ideal for in-cab control panels where accuracy and ease of use matter.
This knob features a convex profile, a 1/4-inch D-shaft interface set at 90°, and a compact footprint. With a 1.6-inch diameter and 0.91-inch height, it delivers a comfortable grip while maintaining a clean, low-profile appearance across mobile HVAC applications.
Use the specifications and interchange numbers below to confirm compatibility before ordering.
Product Specifications
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Part Type: Control Knob
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Red Dot Part No.: 71R4020
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Red Dot Factory Part No.: RD-5-8654-0P
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Mounting Type: Flush mount
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Profile: Convex
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Overall Diameter: 1.6″
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Overall Height: 0.91″
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Shaft Type: “D” shaft
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Shaft Diameter: 1/4″
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Shaft Orientation: 90°
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Feature: Pointer indicator
Cross Reference Numbers
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Texas Truck AC: 850-7323
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AirSource (MEI): 1283, 1291A
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Alliance: ABP N83 316120, ABP N83 316130
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Bergstrom: 525047
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Climatech: FD1120
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CoolPoint: 850-7325
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CoolStar (MEI): 765-1119, 765-1121
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Fleetrite: ZGG726005
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Kysor: 2599041
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Kysor (Old): 380113
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NDNS: ABPN83316120
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Primatech: PTAC1283, PTAC1291A
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RoadForce: RF3985250185, RF6036504666
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TRP / Climatech: FD11200, FD11350
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Truck Air (MEI): 18-2665, 18-2666, 18-2667
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TruckAC+: T2833
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TTA/C: 44900
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Red Dot (Aftermarket): 71R4010, 71R4020, 71R4025
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Red Dot (Factory): RD-5-10342-0P, RD-5-8654-0P
Interchange Numbers
1291A, 18-2666, 2045-896, 206-7398, 231-8138, 232-8438, 2599044, 380116, 4379-RD586540, 4379-RD586540P, 71R4020, 765-1121, 850-7323, ABP N83 316130, AT220817, FD11350, LOU4021, RDHRD586540P, RDT71R4020, XA4474
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