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SKU: 437225
The 437225 is a bolt-on tank Mack radiator that fits 1994-2007 Mack MR trucks. Its 3-row, 14 FPI core measures 39 x 26.8125 x 2.25 in (height x width x depth), with a 7 1/2 x 7 crankbox, Ultra-Fused headers and an 18 in oil cooler. It has a 2 in inlet and 2 1/2 in outlet and interchanges with 58 other part numbers. See 437525 without a crankbox.
Use only green or yellow antifreeze in this radiator. Red antifreeze, or any extended-life (OAT) coolant, voids its warranty. Why coolant type matters
| Construction | Bolt On Tank |
|---|---|
| FPI | 14 |
| OC Notes | 18" oil cooler |
| Years | Make | Model |
|---|---|---|
| 1994–2007 | Mack | MR |
SKU: 441258