How to replace spark plugs in an engine on 2003 Buick Regal?

The first step to changing the spark plugs is to remove the wires from each Spark Plug, then take out the plugs from the engine. Check and adjust the Spark Plug gap on the new spark plugs to the proper value given in the ignition system specifications before installation. Put the spark plugs in the engine, tightening each one to 27 n.m (20 lb ft) in a new cylinder and to 15 n.m (11 lb ft) in one that is being reused. In the end, fit the Spark Plug Wires onto the spark plugs.

OEM 2003 Buick Regal Spark Plug

Ignition Spark Plug

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2003 Buick Regal 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
- Item Weight: 1.00 Pounds
- Item Dimensions: 6.7 x 3.5 x 0.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 6
- SKU: 12681664
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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2003 Buick Regal Spark Plug
Part Number: 19300875
$7.71 MSRP: $13.76
You Save: $6.05 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug Assembly; Spark Plug, Spark Ignition; Spark Plug,Glow
- Replaces: 19208525, 19244468, 19158033, 19158029, 5614248, 5614235, 05614248, 19244463, 19207828, 05614235
- Item Weight: 0.70 Pounds
- Item Dimensions: 4.4 x 3.7 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19300875
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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2003 Buick Regal Spark Plug
Part Number: 19302723
$2.81 MSRP: $5.02
You Save: $2.21 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug Assembly; Spark Plug, Spark Ignition; Spark Plug,Glow
- Replaced by: 19354417
- Item Weight: 0.70 Pounds
- Item Dimensions: 4.1 x 3.6 x 1.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19302723
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Buick Regal Submodels:
- 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS

2003 Buick Regal Spark Plug

With a comprehensive array of OEM 2003 Buick Regal Spark Plug, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 Buick Regal Spark Plug are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2003 Buick Regal Parts Questions & Experts Answers

Q: How to replace spark plugs in an engine on 2003 Buick Regal?
A: The first step to changing the spark plugs is to remove the wires from each Spark Plug, then take out the plugs from the engine. Check and adjust the Spark Plug gap on the new spark plugs to the proper value given in the ignition system specifications before installation. Put the spark plugs in the engine, tightening each one to 27 n.m (20 lb ft) in a new cylinder and to 15 n.m (11 lb ft) in one that is being reused. In the end, fit the Spark Plug Wires onto the spark plugs.

Related 2003 Buick Regal Parts

Alternate Year Models

2002 Buick Regal Spark Plug 2004 Buick Regal Spark Plug