1991 Pontiac Optima Engine Coolant Thermostat
Navigate our online catalogue to find original replacement Engine Coolant Thermostats specifically designed to fit a 1991 Pontiac Optima.
Engine Coolant Thermostat
$9.45
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: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
OE Specified Temperature Temperature 192F
OE Specified Temperature Temperature 192F
Engine Coolant Thermostat
$11.25
Limited Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
Alternate Temperature Option Temperature 160F
Alternate Temperature Option Temperature 160F
Engine Coolant Thermostat
$11.25
In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
Alternate Temperature Option Temperature 180F
Alternate Temperature Option Temperature 180F
Engine Coolant Thermostat
$11.25
In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
Alternate Temperature Option Temperature 180F Includes thermostat
Alternate Temperature Option Temperature 180F Includes thermostat
Engine Coolant Thermostat
$11.25
In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
OE Specified Temperature Temperature 192F
OE Specified Temperature Temperature 192F
Engine Coolant Thermostat
$11.25
In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
OE Specified Temperature Temperature 192F Includes thermostat
OE Specified Temperature Temperature 192F Includes thermostat
Engine Coolant Thermostat
$9.45
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
Alternate Temperature Option Temperature 180F
Alternate Temperature Option Temperature 180F
Engine Coolant Thermostat
$9.38
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
Higher Alternate Temperature Replacement Temperature 198F
Higher Alternate Temperature Replacement Temperature 198F
Engine Coolant Thermostat
$9.38
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
Higher Alternate Temperature Replacement Temperature 198F Includes thermostat
Higher Alternate Temperature Replacement Temperature 198F Includes thermostat
Engine Coolant Thermostat
$9.38
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
Higher Alternate Temperature Replacement Temperature 205F
Higher Alternate Temperature Replacement Temperature 205F
Engine Coolant Thermostat
$22.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
Alternate Temperature Option "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 160F
Alternate Temperature Option "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 160F
Engine Coolant Thermostat
$22.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Vehicle Fitment Notes:
Alternate Temperature Option "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 180F
Alternate Temperature Option "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 180F
Engine Coolant Thermostat
$22.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
Engine Base: 1.6L 1588cc 98ci L4 (3.11x3.21; 79.0x81.5);
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 192F
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 192F