How to replace the thermostat (RPO L26) on 2006 Buick Lucerne?

The process starts by taking off the intake manifold cover while draining part of the cooling system fluid. Place hose clamp pliers (J38185) onto the Thermostat Housing clamp before removing the radiator inlet hose from its placement at the Thermostat Housing. Begin by undoing the Thermostat Housing bolts and then remove the housing and finally access the Thermostat. Check the mating surfaces on the Thermostat Housing for dirt then clean them. Begin installation by mounting the new Thermostat followed by Thermostat Housing bolt installation then tighten these bolts to 25 nm (18 ft. Lbs.). Use hose clamp pliers (J38185) to guide the hose clamp in position before installing the radiator inlet hose back onto the Thermostat Housing. Complete the cooling system operation then reattach the upper intake manifold panel.

OEM 2006 Buick Lucerne Thermostat

Engine Coolant Thermostat

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2006 Buick Lucerne Thermostat Housing
Part Number: 1647540
$11.19 MSRP: $21.01
You Save: $9.82 (47%)
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Product Specifications
- Other Name: Housing E; Thermostat Housing Cover; Water Outlet; Housing, Engine Coolant Thermostat
- Item Weight: 0.50 Pounds
- Item Dimensions: 4.4 x 4.3 x 2.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 1647540
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 Buick Lucerne Submodels:
- CXL, CXS, Super | 8 Cyl 4.6 L GAS
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2006 Buick Lucerne Thermostat
Part Number: 12559807
$46.49 MSRP: $92.28
You Save: $45.79 (50%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12555811, 12554784, 3531407
- Item Weight: 0.60 Pounds
- Item Dimensions: 3.0 x 3.2 x 3.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12559807
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 Buick Lucerne Submodels:
- CXL, CXS, Super | 8 Cyl 4.6 L GAS
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2006 Buick Lucerne Thermostat Unit
Part Number: 24505924
$23.98 MSRP: $47.60
You Save: $23.62 (50%)
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Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant (W/Gasket); Thermostat; Thermostat, Engine Coolant Temperature
- Item Weight: 0.50 Pounds
- Item Dimensions: 3.3 x 2.2 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24505924
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Buick Lucerne Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS

2006 Buick Lucerne Thermostat

With a comprehensive array of OEM 2006 Buick Lucerne Thermostat, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2006 Buick Lucerne Thermostat are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2006 Buick Lucerne Thermostat Parts Questions & Experts Answers

Q: How to replace the thermostat (RPO L26) on 2006 Buick Lucerne?
A: The process starts by taking off the intake manifold cover while draining part of the cooling system fluid. Place hose clamp pliers (J38185) onto the Thermostat Housing clamp before removing the radiator inlet hose from its placement at the Thermostat Housing. Begin by undoing the Thermostat Housing bolts and then remove the housing and finally access the Thermostat. Check the mating surfaces on the Thermostat Housing for dirt then clean them. Begin installation by mounting the new Thermostat followed by Thermostat Housing bolt installation then tighten these bolts to 25 nm (18 ft. Lbs.). Use hose clamp pliers (J38185) to guide the hose clamp in position before installing the radiator inlet hose back onto the Thermostat Housing. Complete the cooling system operation then reattach the upper intake manifold panel.