Mack Radiators – Browse Replacement Parts
Do you need a new Mack radiator, or can it be repaired? How can you tell if the radiator is repairable or if you need a new one? Major coolant leaks are a common indicator that a new radiator is your best option. Active is here to help! We can help to bridge the gap in the current supply chain issues and get you the parts that you need!
The main component of your cooling system is the radiator, it keeps your engine at the optimal operating temperature. This is why it is so important to ensure that it is in working order. While using your vehicle, you can be confident that should you need repair, we can help you through that! If your radiator is beyond any repair, Active Radiator has the most popular Mack replacement parts in stock across the U.S. If we do not have it we will make it for you! For example, we have the 450952 Radiator for your 1950 Mack L5 Fire Truck.
Experience the Active advantage today! We’ll help get your equipment back in service quickly with minimal downtime. Find a location near you to buy a Mack radiator replacement or schedule to bring us your radiator to evaluate for repair.

Mack Midliner 1995-2001
OE NUMBERS
730001ST
7301
S7301
S7301F
MAC01
MK81
239470
SC239470
SCSI239470
437118
437118S
557118
SRK7118
FLX000402
HDC010214
730570
5000541986
41035000541986
41035000541988

Mack CT Granite 2006-2007 with Mack frame
OE NUMBERS
730036PTWF
730036PTXWF
1003617
1003617BX
21138659
25195191
3MF5554M2
3MF5555M
3MF5555M2
3MF5581M2
Part Number | Height | Width | Depth | Filler Neck | Product | Inlet | Outlet | Oil Cooler |
---|---|---|---|---|---|---|---|---|
730001 | 25.0625 | 22.375 | 2.25 | None | Radiator | Right | Left | None |
730002 | 30.4375 | 22.375 | 2.25 | None | Radiator | Left | Right | None |
730003 | 32.875 | 22.375 | 2.25 | None | Radiator | Right | Left | None |
730004 | 30.4375 | 22.375 | 2.25 | None | Radiator | Right | Left | None |
730005 | 29 | 39.5625 | 2.25 | None | Radiator | Left | Left / Bottom | None |
730006 | 27.5 | 34.6875 | 2.25 | None | Radiator | Left | Left / Bottom | None |
730007 | 27.5 | 34.6875 | 2 | None | Radiator | Left | Right / Bottom | None |
730008 | 36.0625 | 28.5 | 2 | None | Radiator | Right | Left | None |
730010 | 29.5 | 22.75 | 2 | None | Radiator | Right | Left | None |
730011 | 31.6875 | 29.25 | 2 | None | Radiator | Right / Top | Left | None |
730012PTWF | 35.3125 | 35.375 | 2 | None | Radiator | Right | Right | Bottom |
730014 | 39 | 26.8125 | 2.25 | None | Radiator | Right | Left | Bottom |
730015 | 26.3125 | 35.375 | 2 | None | Radiator | Left | Right | Bottom |
730018 | 39.125 | 34.375 | 2 | None | Radiator | Left | Right | Bottom |
730019 | 39 | 26.8125 | 2.75 | None | Radiator | Right / Top | Left | Bottom |
730020 | 39 | 26.8125 | 2.75 | None | Radiator | Right / Top | Left | Bottom |
730021 | 39 | 26.8125 | 2.75 | None | Radiator | Right / Top | Left | None |
730022 | 26.25 | 22.75 | 2 | None | Radiator | Right | Left | None |
730023 | 39 | 26.8125 | 2.75 | None | Radiator | Right / Top | Right | None |
730024 | 39 | 26.8125 | 3.75 | None | Radiator | Right / Top | Left | Bottom |
730025 | 39 | 26.8125 | 3.75 | None | Radiator | Right / Top | Left | Bottom |
730026 | 39.125 | 35.125 | 2.25 | None | Radiator | Left | Right | Bottom |
730029 | 29 | 34.25 | Top | Radiator | Left | Left | None | |
730035 | 28.5 | 22.75 | 2 | None | Radiator | Right | Left | None |
730039 | 28.6875 | 34.375 | 2.25 | None | Radiator | TOP LEFT | Bottom Right | None |
730040 | 39 | 26.8125 | 2.75 | None | Radiator | Right / Top | Right | Bottom |
730041 | 38.75 | 27.5 | 2.25 | None | Radiator | Right | Right | Bottom |
730042 | 38.75 | 27.5 | 2.25 | None | Radiator | Right | Right | Bottom |
730043 | 38.75 | 27.5 | 2.25 | None | Radiator | Right | Right | Bottom |
730044 | 38.75 | 27.5 | 2.25 | None | Radiator | Right | Right | Bottom |
730045WF | 35.3125 | 35.375 | 2 | None | Radiator | Right | Right | Bottom |
730051 | 38.75 | 27.5 | 2.25 | None | Radiator | Right | Right | Bottom |
730052 | 38.75 | 27.5 | 2.25 | None | Radiator | Right | Right | Bottom |
730053 | 38.75 | 27.5 | 2.25 | None | Radiator | Right | Right | Bottom |
730054 | 38.75 | 27.5 | 2.25 | None | Radiator | Right | Right | Bottom |
730055 | 33.4375 | 35.5 | 1.9375 | None | Radiator | Right / Top | Bottom Right | Bottom |
730056 | 22 | 18.4375 | 2.375 | None | Radiator | Top | Top | None |
730057 | 49.6875 | 34.1875 | 2.0625 | None | Radiator | Left | Right | Bottom |
730058 | 28.8125 | 34.375 | 2.25 | None | Radiator | Top Left | Bottom Left | None |
730059 | 30.4375 | 33.6875 | 2.625 | Center | Radiator | Left | Left | None |
730060 | 37 | 32 | 2.625 | Right | Radiator | Left | Right | None |
730061 | 31.375 | 17.0625 | 2.25 | None | Radiator | Top Left | Top Right | None |
730063 | 43.25 | 30.875 | 2.625 | Right | Radiator | Left | Left | None |
730064 | 38.625 | 33.5 | 2.25 | Center | Radiator | Right | Left | Bottom |
730065 | 38.625 | 33.5 | 2.25 | Center | Radiator | Left | Left | Bottom |
730066 | 28.8125 | 34.375 | 2.25 | None | Radiator | Left | Right | None |
800009 | 35.3125 | 35.5 | 2 | None | Radiator | Right | Right | None |
800009PTWF | 35.3125 | 35.5 | 2 | None | Radiator | Right | Right | None |
800018 | 28.3125 | 35.125 | 2 | None | Radiator | Right | Right | None |
800040 | 35.3125 | 35.5 | 2 | None | Radiator | Right | Right | Bottom |