How to replace the thermostat in a cylinder head for Buick Century and Regal?

Remove any gasket or sealer with the thermostat from the cylinder head. Unbolt the water neck by draining the coolant system below the thermostat level when trying to replace it. The next step is to remove the water neck and thereby expose the thermostat. Thereafter, clean off all traces of remnants from both manifold and residual gasket material or sealer on water necks that mate. Installing it with its wax pellet downwards is a good idea. Besides, apply some sealant on both sides of the gasket then put it on block. Finally, hold it down using retainer bolts.

Genuine Buick Century Thermostat

Engine Coolant Thermostat

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10 Thermostats found

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Buick Century Thermostat Assembly, Engine Coolant (W/ Gasket)
Part Number: 24505924
$18.12 MSRP: $36.78
You Save: $18.66 (51%)
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat, Thermostat Unit
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1991 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, SPECIAL 4 DOOR | 6 Cyl 3.3L, 6 Cyl 3.8L
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Buick Century Thermostat,Engine Coolant
Part Number: 24507563
$12.07 MSRP: $37.96
You Save: $25.89 (69%)
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaced by: 19435095
- Replaces: 10182343, 3091114, 10226109, 03091114
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2005 Buick Century | CUSTOM, CUSTOM 4 DOOR, CUSTOM STATION WAGON, GL, GLX, GS, LIMITED, LS, REGAL, SPECIAL, SPECIAL 4 DOOR, SPECIAL STATION WAGON | 6 Cyl 3.1L
- 1987-1989 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 2.8L
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Buick Century Thermostat,Engine Coolant(W/Gasket)
Part Number: 24506986
$16.81 MSRP: $31.72
You Save: $14.91 (48%)
Ships in 1 Business Day
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat, Thermostat Unit
- Replaces: 3037747, 24500253, 03037747, 10207375
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1993 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL 4 DOOR, SPECIAL STATION WAGON | 6 Cyl 3.3L
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Buick Century Thermostat,Engine Coolant
Part Number: 24577299
$16.68 MSRP: $29.91
You Save: $13.23 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Intake Manifold, Thermostat, Thermostat Unit
- Replaces: 24576634, 10182377, 24577130
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1996 Buick Century | CUSTOM, CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL, SPECIAL 4 DOOR, SPECIAL STATION WAGON | 4 Cyl 2.2L
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Buick Century Thermostat,Engine Coolant
Part Number: 12514334
$12.91 MSRP: $23.16
You Save: $10.25 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1986 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.0L, 6 Cyl 3.8L
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Buick Century Thermostat,Engine Coolant
Part Number: 10207373
$10.85 MSRP: $19.72
You Save: $8.87 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1991 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, SPECIAL 4 DOOR | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.0L, 6 Cyl 4.3L Diesel
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Buick Century Thermostat,Engine Coolant
Part Number: 3059081
$4.54 MSRP: $8.74
You Save: $4.20 (49%)
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1988 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 3.8L
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Buick Century Thermostat Assembly, Engine Coolant
Part Number: 10101864
$10.17 MSRP: $18.11
You Save: $7.94 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1992 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, SPECIAL 4 DOOR | 4 Cyl 2.5L
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Buick Century Thermostat Assembly, Engine Coolant
Part Number: 10207381
$22.58 MSRP: $40.52
You Save: $17.94 (45%)
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 3054228, 03054228
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1985 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 3.8L, 6 Cyl 4.3L Diesel
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Buick Century Housing Kit ,Engine Coolant Thermostat
Part Number: 10181367
Product Specifications
- Other Name: HOUSING; Thermostat Housing
- Replaces: 10101865
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1992 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, SPECIAL 4 DOOR | 4 Cyl 2.5L

Buick Century Thermostat Parts Questions & Experts Answers

Thermostat,Engine Coolant
3059081
Q: How to replace the thermostat in a cylinder head for Buick Century and Regal?
A: Remove any gasket or sealer with the thermostat from the Cylinder Head. Unbolt the water neck by draining the coolant system below the thermostat level when trying to replace it. The next step is to remove the water neck and thereby expose the thermostat. Thereafter, clean off all traces of remnants from both manifold and residual gasket material or sealer on water necks that mate. Installing it with its wax pellet downwards is a good idea. Besides, apply some sealant on both sides of the gasket then put it on block. Finally, hold it down using retainer bolts.