2003 Roadmaster Rail S-Monocoque Engine Coolant Thermostats
Save up to 40% on original replacement 2003 Roadmaster Rail S-Monocoque Engine Coolant Thermostats. Navigate our online catalogue to find Engine Coolant Thermostats and other parts designed specifically to fit a 2003 Roadmaster Rail S-Monocoque.
Engine Coolant Thermostat
$50.86
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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
For Engine Coolant System OE Specified Temperature 160 Degrees Temperature 160F Includes seal
For Engine Coolant System OE Specified Temperature 160 Degrees Temperature 160F Includes seal
Engine Coolant Thermostat
$97.07
Limited 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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
For Engine Coolant System OE Specified Temperature 180 Degrees Temperature 180F Includes seal
For Engine Coolant System OE Specified Temperature 180 Degrees Temperature 180F Includes seal
Engine Coolant Thermostat
$50.86
Limited 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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
For Engine Coolant System OE Specified Temperature 190 Degrees Temperature 190F Includes seal
For Engine Coolant System OE Specified Temperature 190 Degrees Temperature 190F Includes 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
$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: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.);
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.);
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: 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: 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
$72.97
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: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.);
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.);
Vehicle Fitment Notes:
OE Specified Temperature 180 Degrees Temperature 180F Includes seal
OE Specified Temperature 180 Degrees Temperature 180F Includes seal
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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
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
$58.21
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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 235 Degrees Temperature 235F
For Engine Oil Cooler System OE Specified Temperature 235 Degrees Temperature 235F
Engine Coolant Thermostat
$58.21
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: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
For Engine Oil Cooler System OE Specified Temperature 235 Degrees Temperature 235F Includes HD thermostat
For Engine Oil Cooler System OE Specified Temperature 235 Degrees Temperature 235F Includes HD thermostat
Engine Coolant Thermostat
$34.41
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: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Engine Base: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
Alternate Temperature Option Temperature 180F Includes thermostat and seal
Alternate Temperature Option Temperature 180F Includes thermostat and seal
Engine Coolant Thermostat
$34.41
10+ 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: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Engine Base: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
OE Specified Temperature Temperature 190F Includes thermostat and seal
OE Specified Temperature Temperature 190F Includes thermostat and seal
Engine Coolant Thermostat
$46.46
In 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: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Engine Base: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
OE Specified Temperature Temperature 190F Includes seal
OE Specified Temperature Temperature 190F Includes seal
Engine Coolant Thermostat
$40.59
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: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Engine Base: 5.9L 359ci L6 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
OE Specified Temperature "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating." Temperature 190F Includes seal
OE Specified Temperature "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating." Temperature 190F 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: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
OE Specified Temperature 160 Degrees Temperature 160F Includes seal
OE Specified Temperature 160 Degrees Temperature 160F Includes seal
Engine Coolant Thermostat
$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: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
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: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
OE Specified Temperature 180 Degrees Temperature 180F Includes seal
OE Specified Temperature 180 Degrees Temperature 180F Includes seal
Engine Coolant Thermostat
$50.65
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: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
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: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
OE Specified Temperature 190 Degrees Temperature 190F Includes seal
OE Specified Temperature 190 Degrees Temperature 190F Includes seal