How to replace the spark plugs in an engine on Buick Lucerne?

Replace spark plugs by beginning with the removal of the intake manifold cover if required. Position each Spark Plug wire before removing the connection by twisting its Spark Plug boot 1/2 turn counterclockwise followed by lifting the heat shield gently with the Spark Plug boot removal tool (J 38491). Proceed to remove the air inlet grille once the step is finished. The process for removing Spark Plug Wires must repeat itself at the rear engine position. Use the specific tool to take out all spark plugs from the engine block. Step one of installation requires measuring the gap of new spark plugs before checking against the specified gap requirements for adjustment. Insert the spark plugs into their proper positions then tighten them to 15 n.m (11 lb ft). Return Spark Plug Wires to the rear spark plugs first followed by air inlet grille installation then proceed with sparking wires installation to front spark plugs if required. Place all intake manifold cover back into position if required.

OEM Buick Lucerne Spark Plug

Ignition Spark Plug

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3 Spark Plugs found

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Buick Lucerne Spark Plug Part Number: 12681664
$9.22 MSRP: $16.46
You Save: $7.24 (44%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Spark Plug Assembly-Gasoline Engine Ignition; Spark Plug, Spark Ignition; Spark Plug,Glow
- Replaces: 12568387, 25330840, 12565030, 25161444
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS
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Buick Lucerne Spark Plug Part Number: 12681662
$11.36 MSRP: $20.28
You Save: $8.92 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug, Spark Ignition; Spark Plug,Glow
- Replaces: 12591131
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 Buick Lucerne | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Lucerne Spark Plug Part Number: 12571535
Product Specifications
- Replaces: 12561466
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Buick Lucerne | CXL, CXS, Super | 8 Cyl 4.6 L GAS

Buick Lucerne Spark Plug

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Buick Lucerne Spark Plug is a part that plays a very big role in improving the power and efficiency of Buick Lucerne cars. Expected to generate the first flame needed for the kindling of the fuel/air mixture in the engine, the Spark Plug is well made to incorporate a central electrode, metal terminal and ceramic insulator nestled within a hard steel casing. Some of them include the copper core, platinum, and iridium Spark Plug that are used in the different models of Lucerne depending on the compatibility of each Spark Plug and its efficiencies depending on the manufacture's specifications. As a result, with proper care and fixing of the Spark Plug, the efficiency as well as safety of the Buick Lucerne will be improved since frequent misfires significantly contribute to low fuel efficiency. While there are many other spark plugs in the market, the advanced technology that underlies these Spark Plugs does not only enhance combustion, but also increases the useful life of the vehicle, making this particular Spark Plugs to be a point of admiration among auto enthusiasts. It extents its positive features to the reliability of Spark Plugs for Buick Lucerne that has luxurious body and the great engine power. Beside, Magnetic Ride Control and a suite of safety systems make the Buick Lucerne powered by means of high-quality Spark Plugs smooth and safe to drive. In conclusion, this spark can be merged with the brand image of the Buick Lucerne because it is a symbol of quality thus enhancing the reputation of the Lucerne in terms of reliability and the superior performance.

Buick Lucerne Spark Plug Parts and Q&A

Spark Plug
12681664
Q: How to replace the spark plugs in an engine on Buick Lucerne?
A:
Replace spark plugs by beginning with the removal of the intake manifold cover if required. Position each Spark Plug wire before removing the connection by twisting its Spark Plug boot 1/2 turn counterclockwise followed by lifting the heat shield gently with the Spark Plug boot removal tool (J 38491). Proceed to remove the air inlet grille once the step is finished. The process for removing Spark Plug Wires must repeat itself at the rear engine position. Use the specific tool to take out all spark plugs from the engine block. Step one of installation requires measuring the gap of new spark plugs before checking against the specified gap requirements for adjustment. Insert the spark plugs into their proper positions then tighten them to 15 n.m (11 lb ft). Return Spark Plug Wires to the rear spark plugs first followed by air inlet grille installation then proceed with sparking wires installation to front spark plugs if required. Place all intake manifold cover back into position if required.