The Red Dot 76R2450 Heater Core (RD-1-0665-0P) is a replacement heater core designed for use in select Red Dot R-4120, R-4122, and R-4160 series heater and combination heater/air conditioner units. This core measures 8 inches in height, 7 5⁄16 inches in length, and 2 7⁄8 inches in thickness, and features 5⁄8″ inlet and outlet connections for proper coolant flow. It is engineered for reliable heat transfer in heavy-duty mobile HVAC applications and is a direct-fit replacement for multiple on-highway and vocational truck platforms.
Applications
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Red Dot R-4160-0
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Red Dot R-4122-1
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Red Dot R-4122-0
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Red Dot R-4120
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Western Star Heritage 4800, 4900, 5800, 5900
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With Red Dot units R-4120, R-4122, or R-4160
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Model years: 1985–2003
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Mack R-4120
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Combo & heater-only configurations
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Model years: 1987–1994
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Dimensions
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Height: 8″
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Length: 7 5⁄16″
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Thickness: 2 7⁄8″
Connections
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Inlet: 5⁄8″
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Outlet: 5⁄8″
Cross Reference Numbers
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Air Source: 6934
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Alliance: ABP N83 315055
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Climatech: MC1175
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Mack: 4379-RD106650
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Volvo: RDHRD106650P
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Texas Truck A/C: 600-2002
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TruckAC+: T3961
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Red Dot Aftermarket: 76R2450
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Red Dot Factory: RD-1-0665-0P
Interchange Numbers
232-9495
4379-RD106650
4379-RD106650P
600-2002
6934
720-3894
76R2450
ABP N83 315055
MC11750
RDHRD106650P
RDT76R2450
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