Northern Radiator
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Common Abbreviations Found on Northern’s Website

ABBREVIATION DEFINITION
" Inch  
2WD 2 Wheel Drive
4WD 4 Wheel Drive
A/C Air Conditioning 
AG Agriculture
A/T Automatic Transmission 
ATV All-Terrain Vehicle
AWD All Wheel Drive
CBR Copper/Brass Radiator 
CAC Charge Air Cooler
CONN Connection  
CYL Cylinder  
DIA Diameter  
EEC Evaporation Emission Control
EOC Engine Oil Cooler
EXC Except  
FI Fuel Injection 
FPI Fins Per Inch
FWD Front Wheel Drive
GAL Gallon  
HD Heavy Duty 
HP High Performance or Horse Power
HRL Heater Return Line
INCL Includes  
L Liter  
LBS Pounds  
LCI Low Coolant Indicator
LWB Long Wheel Base
M/T Manual Transmission 
MM Millimeter  
NPT National Pipe Thread
OE Original Equipment 
OHC Overhead Camshaft 
P/S Power Steering 
PLT Plate  
PT Pint  
PTO Power Take Off
PTR Plastic Tank Radiator
QT Quart  
ROV Roll Over Valve
RWD Rear Wheel Drive
SN Serial Number 
STD Standard  
SW Station Wagon 
SWB Short Wheel Base
TOC Transmission Oil Cooler
UTV Utility Task Vehicle
VIN Vehicle Identification Number
W/ With  
WO/ Without Â