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Red Dot · HVAC
RD-5-12551-0P
In stock · ships from Knoxville
This 12-volt single-speed blower motor assembly (Red Dot RD-5-12551-0P, also known as 73R3102) powers the HVAC fan in Mack CX and Vision trucks equipped with the Bergstrom 2RD570M heater/A/C unit.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
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Verified for trucks equipped with Bergstrom 2RD570M heater/A/C unit [user-qqe34dh.cld.bz](https://user-qqe34dh.cld.bz/WD-2021/132/). May also fit other Mack models with the same HVAC system, but not confirmed.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 2 of 2.
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It rotates clockwise, draws air through the system, and is replaced when the motor fails, bearings wear out, or the fan wheel becomes damaged or noisy. The unit features an ear-mount design, a 5/16” shaft with a 7” diameter wheel, and a two-conductor Packard connector [partdeal.com](https://www.partdeal.com/red-dot-single-shaft-blower-motor-single-speed-12v-cw-ear-mount-73r3102-rd-5-12551-0p.html) [atc.ca](https://atc.ca/wp-content/uploads/Blowers.pdf).
Part Number: RD-5-12551-0P
MOTOR BLOWER WHEEL ASSY- 12V 1 SPD (73R3102)
Vendor: JIT Truck Parts, LLC
Dealer: KP Services Crossville
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