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2002 Buick Regal
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OEM (Genuine) 2002 Buick Regal Spark Plug
PartNumber: 12681664
Product Specifications- Notes: Iridium
- Other Names: Spark Plug
- Item Dimensions: 6.8 x 3.4 x 0.9 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25330840, 12565030, 25161444, 12568387
- Part Description: 2002 Buick Regal Spark Plug
Vehicle Fitment- 2002 Buick Regal | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
$8.74 MSRP:$15.80You Save: $7.06 (45%)
Denso® Iridium TT™ Spark Plug for 2002 Buick Regal
PartNumber: 4713Product Specifications- Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
- Electrode Material: Iridium
- Gap: .039" (1.0 mm)
- Heat Range: 16
- Hex Size: 5/8" (16 mm)
- Nominal Gap: 1 mm
- Overall Height: JIS
- Reach: 18.00 mm
- Seat Type: Tapered
- Terminal Type: Solid
- Thread Diameter: 14.00 mm
- Thread Pitch: 1.25 mm
- UPC: 042511047136
- Part Description: 2002 Buick Regal Iridium TT™ Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$6.61OEM (Genuine) 2002 Buick Regal Spark Plug
PartNumber: 19300875
Product Specifications- Notes: Platinum
- Other Names: Spark Plug
- Item Dimensions: 4.3 x 3.8 x 1.1 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 19158029, 19158033, 19208525, 19244468, 5614235, 05614248, 5614248, 19244463, 19207828, 05614235
- Part Description: 2002 Buick Regal Spark Plug
Vehicle Fitment- 2002 Buick Regal | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
$7.30 MSRP:$13.20You Save: $5.90 (45%)
Denso® Double Platinum Spark Plug for 2002 Buick Regal
PartNumber: 5070Product Specifications- Notes: Gap 0.050; OE Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug w/Platinum Ground Strap
- Electrode Material: Platinum
- Gap: .050" (1.3 mm)
- Heat Range: 16
- Hex Size: 5/8" (16 mm)
- Nominal Gap: 1.3 mm
- Overall Height: JIS
- Reach: 18 mm (.709")
- Seat Type: Tapered
- Spark Plug Reach: 0.709"
- Terminal Type: Solid
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- UPC: 042511050709
- Part Description: 2002 Buick Regal Double Platinum Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$5.64OEM (Genuine) 2002 Buick Regal Spark Plug
PartNumber: 19302723Product Specifications- Notes: Conventional
- Item Dimensions: 4.2 x 3.6 x 1.1 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaced by: 19354417
- Part Description: 2002 Buick Regal Spark Plug
Vehicle Fitment- 2002 Buick Regal | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
$2.78 MSRP:$5.02You Save: $2.24 (45%)
Denso® Iridium Power™ Spark Plug for 2002 Buick Regal
PartNumber: 5325Product Specifications- Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
- Electrode Material: Iridium
- Gap: .043" (1.1 mm)
- Heat Range: 16
- Hex Size: 5/8" (16 mm)
- Nominal Gap: 1.1 mm
- OE Part Number: IT16
- Overall Height: JIS
- Reach: 18.00 mm
- Seat Type: Tapered
- Terminal Type: Solid
- Thread Diameter: 14.00 mm
- Thread Pitch: 1.25 mm
- UPC: 042511053250
- Part Description: 2002 Buick Regal Iridium Power™ Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$5.96
Denso® Platinum TT™ Spark Plug for 2002 Buick Regal
PartNumber: 4511Product Specifications- Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
- Electrode Material: Platinum
- Gap: .039" (1.0 mm)
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
- Heat Range: 16
- Hex Size: 5/8" (16 mm)
- Material: Nickel
- Nominal Gap: 1 mm
- Overall Height: JIS
- Reach: 17.5 mm (.689")
- Seat Type: Tapered
- Spark Plug Reach: 18 mm
- Terminal Type: Solid
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- UPC: 042511045118
- Wrench Diameter: 16 mm
- Part Description: 2002 Buick Regal Platinum TT™ Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$3.32
Denso® Original U-Groove Nickel Spark Plug for 2002 Buick Regal
PartNumber: 5023Product Specifications- Notes: Gap 0.060; Resistor Plug w/Patented U-Groove Design
- Center Electrode Core Material: Copper
- Center Electrode Material: Nickel
- Gap: 0.060"
- Ground Configuration: Standard
- Ground Electrode Core Material: Nickel
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: U-Groove
- Heat Range: 16
- Hex Size: 16 mm
- Resistance: 5 kOhm
- Spark Plug Seat Style: Tapered
- Thread Diameter: 0.551"
- Thread Reach: 18 mm
- UPC: 042511050235
- Part Description: 2002 Buick Regal Original U-Groove Nickel Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$1.88
Denso® Iridium Tt™ Spark Plug for 2002 Buick Regal
PartNumber: IT16Product Specifications- Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
- Center Electrode Core Material: Copper
- Center Electrode Tip Material: Iridium Rhodium Alloy
- Ground Configuration: Standard
- Ground Electrode Core Material: Nickel
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: Tapercut, U-Groove
- Hex Size: 16.0
- Manufacturer Heat Range: 16
- Pre-Gap Size: 0.044
- Reach: 18.00
- Resistance: 5000
- Seat Type: Tapered
- UPC: 042511053250
- Part Description: 2002 Buick Regal Iridium Tt™ Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
Denso® Iridium Tt™ Spark Plug for 2002 Buick Regal
PartNumber: IT16TTProduct Specifications- Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
- Center Electrode Core Material: Copper
- Center Electrode Tip Material: Iridium Rhodium Alloy
- Ground Configuration: Twin-Tip
- Ground Electrode Core Material: Nickel
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: Platinum Twin-Tip
- Hex Size: 16.0
- Manufacturer Heat Range: 16
- Pre-Gap Size: 0.040
- Reach: 18.00
- Resistance: 5000
- Seat Type: Tapered
- UPC: 042511047136
- Part Description: 2002 Buick Regal Iridium Tt™ Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
Denso® Double Platinum™ Spark Plug for 2002 Buick Regal
PartNumber: PT16EPR-L13Product Specifications- Notes: Gap 0.050; OE Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug w/Platinum Ground Strap
- Center Electrode Core Material: Copper
- Center Electrode Tip Material: Platinum
- Ground Configuration: Standard
- Ground Electrode Core Material: Nickel
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: Platinum Chip
- Hex Size: 16.0
- Manufacturer Heat Range: 16
- Pre-Gap Size: 0.050
- Reach: 18.00
- Resistance: 5000
- Seat Type: Tapered
- UPC: 042511050709
- Part Description: 2002 Buick Regal Double Platinum™ Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
Denso® Platinum Tt™ Spark Plug for 2002 Buick Regal
PartNumber: PT16TTProduct Specifications- Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
- Center Electrode Core Material: Copper
- Center Electrode Tip Material: Platinum
- Ground Configuration: Twin-Tip
- Ground Electrode Core Material: Nickel
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
- Hex Size: 16.0
- Manufacturer Heat Range: 16
- Pre-Gap Size: 0.040
- Reach: 18.00
- Resistance: 5000
- Seat Type: Tapered
- UPC: 042511045118
- Part Description: 2002 Buick Regal Platinum Tt™ Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
Denso® Original U-Groove™ Spark Plug for 2002 Buick Regal
PartNumber: T16EPR-U15Product Specifications- Notes: Gap 0.060; Resistor Plug w/Patented U-Groove Design
- Center Electrode Core Material: Copper
- Center Electrode Tip Material: Nickel
- Ground Configuration: Standard
- Ground Electrode Core Material: Nickel
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: U-Groove
- Hex Size: 16.0
- Manufacturer Heat Range: 16
- Pre-Gap Size: 0.060
- Reach: 18.00
- Resistance: 5000
- Seat Type: Tapered
- UPC: 042511050235
- Part Description: 2002 Buick Regal Original U-Groove™ Spark Plug
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
FAQ for Spark Plug Repair
Q: What is the procedure to inspect the terminal post for damage?
A:
The procedure is to inspect for a bent or broken terminal post and test for a loose terminal post by twisting and pulling the post.
By Bob
GM Specialist
01/11/2022Q: What conditions will be caused if there is an incorrect heat range?
A:
The spark plug fouling, and pre-ignition cause spark plug and/or engine damage.
By Bob
GM Specialist
01/11/2022Q: How to install the spark plug?
A:
You need to measure the spark plug gap on the spark plugs to be installed, compare the measurement to the gap specifications, install the spark plugs to the engine, and connect the spark plug wires to the spark plugs.
By Bob
GM Specialist
01/11/2022Q: What is the removal procedure for the spark plug?
A:
You need to ensure that the correct spark plug is installed and that the spark plug has the correct heat range.
By Bob
GM Specialist
01/11/2022Q: What is the procedure to inspect the insulator for flashover or carbon tracking, and soot?
A:
The procedure is to inspect the spark plug boot for damage and the spark plug recess area of the cylinder head for moisture, such as oil, coolant, or water.
By Bob
GM Specialist
01/11/2022