The Red Dot 78R5300 replacement filter is engineered to meet OEM airflow and fitment standards for Red Dot HVAC units used in trucks, buses, and vocational equipment. By capturing dust and debris before they reach sensitive HVAC components, this filter helps protect blowers and evaporators while supporting consistent cab comfort.
Because it matches factory dimensions, installation is quick and straightforward with no trimming required. In addition, regular filter replacement helps extend HVAC system life and improves overall air quality inside the cab.
This filter is commonly used in Red Dot R-6100 and R-9727 HVAC systems found across fleet and heavy-duty applications.
Product Specifications
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Red Dot Part Number: 78R5300
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Red Dot Factory Number: RD-5-5937-0
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Application: R-6100 and R-9727 HVAC units
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Filter Type: Replacement air filter
Cross References
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Texas Truck A/C: 500-8182
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AirSource – MEI: 44864
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AirSource – MEI: 9930
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Alliance: ABP N83 328095
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Climatech: GD1010
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NDNS: ABPN83328095
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Omega: 40-R5300
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Primatech: PTAC10-9930
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Primatech: PTAC9930
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Red Dot – Aftermarket: 78R5300
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Red Dot – Factory: RD-5-5937-0
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Truck Air – MEI: 18-2692
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TruckAC+: T3492
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TTA/C: 77-7009
Interchange Numbers
18-2692
232-9925
279-2113
4379-RD559370
4379-RD559370
4379-RD559370P
4379-RD559370P
500-8182
78R5300
ABP N83 328095
ABP N83 328095
CB11454751
GD10100
RDHRD559370P
RDT78R5300
RDT78R5300
Common Applications
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Red Dot R-6100 HVAC systems
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Red Dot R-9727 HVAC systems
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Heavy-duty truck cab HVAC
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Bus and fleet climate control systems
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