1984 Kenworth K100 Engine Coolant Thermostats
Save up to 40% on original replacement 1984 Kenworth K100 Engine Coolant Thermostats. Navigate our online catalogue to find Engine Coolant Thermostats and other parts designed specifically to fit a 1984 Kenworth K100.








Engine Coolant Thermostat
$52.58
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: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 215 Degrees Temperature 215F
For Engine Oil Cooler System OE Specified Temperature 215 Degrees Temperature 215F







Engine Coolant Thermostat
$52.58
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: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 215 Degrees Temperature 215F Includes HD thermostat
For Engine Oil Cooler System OE Specified Temperature 215 Degrees Temperature 215F Includes HD thermostat







Engine Coolant Thermostat
$52.58
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: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 215 Degrees Temperature 215F
For Engine Oil Cooler System OE Specified Temperature 215 Degrees Temperature 215F







Engine Coolant Thermostat
$52.58
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: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 215 Degrees Temperature 215F Includes HD thermostat
For Engine Oil Cooler System OE Specified Temperature 215 Degrees Temperature 215F Includes HD thermostat







Engine Coolant Thermostat
$52.58
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: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 225 Degrees Temperature 225F
For Engine Oil Cooler System OE Specified Temperature 225 Degrees Temperature 225F







Engine Coolant Thermostat
$52.58
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: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 225 Degrees Temperature 225F Includes HD thermostat
For Engine Oil Cooler System OE Specified Temperature 225 Degrees Temperature 225F Includes HD thermostat







Engine Coolant Thermostat
$52.58
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: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 225 Degrees Temperature 225F
For Engine Oil Cooler System OE Specified Temperature 225 Degrees Temperature 225F







Engine Coolant Thermostat
$52.58
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: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 225 Degrees Temperature 225F Includes HD thermostat
For Engine Oil Cooler System OE Specified Temperature 225 Degrees Temperature 225F Includes HD thermostat







Engine Coolant Thermostat
$50.26
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
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 160 Degrees Temperature 160F Includes seal
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 160 Degrees Temperature 160F Includes seal







Engine Coolant Thermostat
$50.26
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
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: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 170 Degrees Temperature 170F Includes seal
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 170 Degrees Temperature 170F Includes seal







Engine Coolant Thermostat
$50.26
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
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: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 180 Degrees Temperature 180F Includes seal
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 180 Degrees Temperature 180F Includes seal







Engine Coolant Thermostat
$50.26
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
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: Monday Sep. 22nd
Pick-Up: Ready in 2-3 Hours Monday Sep. 22nd
Pick-Up: Ready in 2-3 Hours Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 190 Degrees Temperature 190F Includes seal
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 190 Degrees Temperature 190F Includes seal







Engine Coolant Thermostat
$50.65
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 2-3 Hours Monday Sep. 22nd
Pick-Up: Ready in 2-3 Hours Monday Sep. 22nd
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
Vehicle Fitment Notes:
OE Specified Temperature 190 Degrees Temperature 190F Includes seal
OE Specified Temperature 190 Degrees Temperature 190F Includes seal







Engine Coolant Thermostat
$49.42
Out of Stock
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with Low Flow Cooing Temperature 175F OE Specified Temperature 175 Degrees
with Low Flow Cooing Temperature 175F OE Specified Temperature 175 Degrees







Engine Coolant Thermostat
$63.23
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Alternate Temperature Option Temperature 170F Includes seal
Alternate Temperature Option Temperature 170F Includes seal







Engine Coolant Thermostat
$63.23
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 18.0L 18013cc 1099ci V8 (5.40x6.00; 137.2x152.4);
Engine Base: 18.0L 18013cc 1099ci V8 (5.40x6.00; 137.2x152.4);
Vehicle Fitment Notes:
Alternate Temperature Option Temperature 170F Includes seal
Alternate Temperature Option Temperature 170F Includes seal







Engine Coolant Thermostat
$63.11
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
OE Specified Temperature 180 Degrees Temperature 180F Includes seal
OE Specified Temperature 180 Degrees Temperature 180F Includes seal







Engine Coolant Thermostat
$63.11
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
OE Specified Temperature Temperature 180F Includes seal
OE Specified Temperature Temperature 180F Includes seal







Engine Coolant Thermostat
$63.11
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 18.0L 18013cc 1099ci V8 (5.40x6.00; 137.2x152.4);
Engine Base: 18.0L 18013cc 1099ci V8 (5.40x6.00; 137.2x152.4);
Vehicle Fitment Notes:
OE Specified Temperature 180 Degrees Temperature 180F Includes seal
OE Specified Temperature 180 Degrees Temperature 180F Includes seal







Engine Coolant Thermostat
$85.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F







Engine Coolant Thermostat
$85.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F







Engine Coolant Thermostat
$85.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.5L 638ci6;
Engine Base: 10.5L 638ci6;
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F







Engine Coolant Thermostat
$85.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.1L 12063cc 736ci V8 (4.84x5.00; 122.9x127.0);
Engine Base: 12.1L 12063cc 736ci V8 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F







Engine Coolant Thermostat
$85.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F







Engine Coolant Thermostat
$85.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F







Engine Coolant Thermostat
$85.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 9.1L 555ci V8;
Engine Base: 9.1L 555ci V8;
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F
with Rapid Warm Up System OE Specified Temperature 170 Degrees Temperature 170F







Engine Coolant Thermostat
$86.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L -cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F







Engine Coolant Thermostat
$86.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F







Engine Coolant Thermostat
$86.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.5L 638ci6;
Engine Base: 10.5L 638ci6;
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F







Engine Coolant Thermostat
$86.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.1L 12063cc 736ci V8 (4.84x5.00; 122.9x127.0);
Engine Base: 12.1L 12063cc 736ci V8 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F







Engine Coolant Thermostat
$86.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F







Engine Coolant Thermostat
$86.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Engine Base: 9.0L 9047cc 552ci V6 (4.84x5.00; 122.9x127.0);
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F







Engine Coolant Thermostat
$86.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 9.1L 555ci V8;
Engine Base: 9.1L 555ci V8;
Vehicle Fitment Notes:
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F
with Rapid Warm Up System OE Specified Temperature 180 Degrees Temperature 180F







Engine Coolant Thermostat
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 190 Degrees Temperature 190F Includes seal
without Low Flow Cooling; For Engine Coolant OE Specified Temperature 190 Degrees Temperature 190F Includes seal







Engine Coolant Thermostat
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
Engine Base: 18.8L 18848cc 1150ci L6 (6.25x6.25; 158.8x158.8);
Vehicle Fitment Notes:
OE Specified Temperature 190 Degrees Temperature 190F Includes seal
OE Specified Temperature 190 Degrees Temperature 190F Includes seal