The Red Dot 71R0453 (RD-5-10056-0P) Lever Blower Switch is built for reliable multi-speed blower control in mobile HVAC systems. Featuring a single pole, single throw (SPST) design with Off–On–On–On operation, this switch supports multiple blower speed circuits using a simple, durable lever mechanism.
Its bent lever design improves accessibility and operator comfort in tight dash layouts. Commonly used across Mack, Volvo, Caterpillar, and other heavy-duty platforms, this switch is a proven OEM and aftermarket replacement for multi-fit applications.
Note:
This switch uses Red Dot knob 71R4030, which is sold separately.
Product Specifications
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Red Dot Part No.: 71R0453
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Red Dot Factory Part No.: RD-5-10056-0P
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Description: Lever Blower Switch
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Application: Multi-Fit Applications
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Type: SPST (Single Pole / Single Throw)
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Function: Off – On – On – On
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Operation: Lever
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Lever Style: Bent
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Number of Terminals: 5
Notes
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Requires 71R4030 knob (sold separately)
Cross Reference Numbers
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Texas Truck AC: 850-7141
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AirSource / MEI: 1056
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Climatech: BA1005
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Caterpillar: 232-8357
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Euclid: E-807141
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Primatech: PTAC1056
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RoadForce: RF6106520276
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TruckAC+: T2430
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TTA/C: 10-1007
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Volvo: 3949315
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Red Dot – Aftermarket: 71R0453
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Red Dot – Factory: RD-5-10056-0
Additional Interchange Numbers:
1056, 20016, 221503, 232-8357, 3949315, 4379-RD5100560, 4379-RD5100560P, 850-7141, 900-1054, ABP N83 322003, BA10050, BA10550, RDHRD5100560P, RDT71R0453, SWI1054
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