1999 Mack LE Engine Coolant Thermostats
Save up to 40% on original replacement 1999 Mack LE Engine Coolant Thermostats. Navigate our online catalogue to find Engine Coolant Thermostats and other parts designed specifically to fit a 1999 Mack LE.








Engine Coolant Thermostat
$120.57
Limited Stock
Ships: Today, Sep. 25th
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Vehicle Fitment Notes:
OE Specified Temperature 180 Degrees Temperature 180F Includes seal
OE Specified Temperature 180 Degrees Temperature 180F Includes seal







Engine Coolant Thermostat
$120.57
Limited Stock
Ships: Today, Sep. 25th
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Vehicle Fitment Notes:
with Single Thermostat OE Specified Temperature 180 Degrees Temperature 180F Includes Thermostat and Seal
with Single Thermostat OE Specified Temperature 180 Degrees Temperature 180F Includes Thermostat and Seal







Engine Coolant Thermostat
$61.04
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Vehicle Fitment Notes:
OE Specified Temperature 160 Degrees Temperature 160F Includes seal
OE Specified Temperature 160 Degrees Temperature 160F Includes seal







Engine Coolant Thermostat
$72.97
In Stock
Ships: Today, Sep. 25th
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Vehicle Fitment Notes:
OE Specified Temperature 180 Degrees Temperature 180F Includes seal
OE Specified Temperature 180 Degrees Temperature 180F Includes seal







Engine Coolant Thermostat
$50.26
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Vehicle Fitment Notes:
OE Specified Temperature 160 Degrees Temperature 160F Includes seal
OE Specified Temperature 160 Degrees Temperature 160F Includes seal







Engine Coolant Thermostat
$50.26
In Stock
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Vehicle Fitment Notes:
OE Specified Temperature 170 Degrees Temperature 170F Includes seal
OE Specified Temperature 170 Degrees Temperature 170F Includes seal







Engine Coolant Thermostat
$50.26
In Stock
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Vehicle Fitment Notes:
OE Specified Temperature 180 Degrees Temperature 180F Includes seal
OE Specified Temperature 180 Degrees Temperature 180F Includes seal







Engine Coolant Thermostat
$50.65
In Stock
Ships: Today, Sep. 25th
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Vehicle Fitment Notes:
OE Specified Temperature 190 Degrees Temperature 190F Includes seal
OE Specified Temperature 190 Degrees Temperature 190F Includes seal







Engine Coolant Thermostat
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Engine Base: 11.9L 6Cyl - (-)(728) U/K U/K(Bore)U/K U/K(Stroke);
Vehicle Fitment Notes:
OE Specified Temperature 190 Degrees Temperature 190F Includes seal
OE Specified Temperature 190 Degrees Temperature 190F Includes seal