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Replacement and OEM Parts for Buick Regal Spark Plug
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Buick Regal Spark Plug

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Spark Plugs & Wires
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  • OEM (Genuine) Buick Regal Spark Plug

    PartNumber: 12681664
    OEM Buick Regal Spark Plug - 12681664
    Product Specifications
    • 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: Buick Regal Spark Plug
    More Info
    $8.74 MSRP: $15.80
    You Save: $7.06 (45%)
  • Denso Iridium TT™ Spark Plug for Buick Regal - 4718

    Denso® Iridium TT™ Spark Plug for Buick Regal

    PartNumber: 4718
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .039" (1.0 mm)
    • Heat Range: 16
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1 mm
    • Overall Height: ISO
    • Reach: 25 mm (1")
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047181
    • Part Description: Buick Regal Iridium TT™ Spark Plug
    More Info
    $7.96
  • OEM (Genuine) Buick Regal Spark Plug

    PartNumber: 19300875
    OEM Buick Regal Spark Plug - 19300875
    Product Specifications
    • 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: Buick Regal Spark Plug
    More Info
    $7.18 MSRP: $12.98
    You Save: $5.80 (45%)
  • Denso Iridium TT™ Spark Plug for Buick Regal - 4719

    Denso® Iridium TT™ Spark Plug for Buick Regal

    PartNumber: 4719
    Product Specifications
    • Electrode Material: Iridium
    • Gap: 1.0 mm
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Overall Height: ISO
    • Reach: 25 mm (1")
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047198
    • Part Description: Buick Regal Iridium TT™ Spark Plug
    More Info
    $7.79
  • OEM (Genuine) Buick Regal Spark Plug

    PartNumber: 12681658
    OEM Buick Regal Spark Plug - 12681658
    Product Specifications
    • Other Names: Spark Plug
    • Item Dimensions: 7.3 x 4.2 x 1.2 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12590701, 12617309, 12620540
    • Part Description: Buick Regal Spark Plug
    More Info
    $8.74 MSRP: $15.80
    You Save: $7.06 (45%)
  • Denso Iridium Power™ Spark Plug for Buick Regal - 5338

    Denso® Iridium Power™ Spark Plug for Buick Regal

    PartNumber: 5338
    Product Specifications
    • 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: ITV16
    • Overall Height: ISO
    • Reach: 25 mm (1")
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053380
    • Part Description: Buick Regal Iridium Power™ Spark Plug
    More Info
    $7.01
  • OEM (Genuine) Buick Regal Spark Plug

    PartNumber: 19302723
    OEM Buick Regal Spark Plug - 19302723
    Product Specifications
    • 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: Buick Regal Spark Plug
    More Info
    $2.32 MSRP: $4.18
    You Save: $1.86 (45%)
  • Denso Iridium Power™ Spark Plug for Buick Regal - 5339

    Denso® Iridium Power™ Spark Plug for Buick Regal

    PartNumber: 5339
    Product Specifications
    • Center Electrode Core Material: Copper
    • Electrode Material: Iridium
    • Gap: 1.1 mm
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • OE Part Number: ITV20
    • Overall Height: ISO
    • Reach: 25 mm (1")
    • Resistance: 5000 Ohms
    • Seat Type: Tapered
    • Spark Plug Reach: 25 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053397
    • Wrench Diameter: 16 mm
    • Part Description: Buick Regal Iridium Power™ Spark Plug
    More Info
    $6.84
  • Denso Iridium TT™ Spark Plug for Buick Regal - 4706

    Denso® Iridium TT™ Spark Plug for Buick Regal

    PartNumber: 4706
    Product Specifications
    • 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: 19 mm (3/4")
    • Seat Type: Gasket
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047068
    • Part Description: Buick Regal Iridium TT™ Spark Plug
    More Info
    $7.01
  • Denso Iridium TT™ Spark Plug for Buick Regal - 4713

    Denso® Iridium TT™ Spark Plug for Buick Regal

    PartNumber: 4713
    Product Specifications
    • 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: Buick Regal Iridium TT™ Spark Plug
    More Info
    $7.01
  • Denso Iridium TT™ Spark Plug for Buick Regal - 4715

    Denso® Iridium TT™ Spark Plug for Buick Regal

    PartNumber: 4715
    Product Specifications
    • 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: 11.6 mm (.460")
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047150
    • Part Description: Buick Regal Iridium TT™ Spark Plug
    More Info
    $7.03
  • Denso Double Platinum Spark Plug for Buick Regal - 5068

    Denso® Double Platinum Spark Plug for Buick Regal

    PartNumber: 5068
    Product Specifications
    • 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: 25 mm (1")
    • Seat Type: Tapered
    • Spark Plug Reach: 0.984"
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511050686
    • Part Description: Buick Regal Double Platinum Spark Plug
    More Info
    $6.08
  • Denso Double Platinum Spark Plug for Buick Regal - 5070

    Denso® Double Platinum Spark Plug for Buick Regal

    PartNumber: 5070
    Product Specifications
    • 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: Buick Regal Double Platinum Spark Plug
    More Info
    $5.97
  • Denso Double Platinum Spark Plug for Buick Regal - 5091

    Denso® Double Platinum Spark Plug for Buick Regal

    PartNumber: 5091
    Product Specifications
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Heat Range: 16
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Quantity: 1 Piece
    • Reach: 19 mm (3/4")
    • Seat Type: Tapered
    • Spark Plug Reach: 0.748"
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511050914
    • Part Description: Buick Regal Double Platinum Spark Plug
    More Info
    $5.64
  • Denso Iridium Power™ Spark Plug for Buick Regal - 5301

    Denso® Iridium Power™ Spark Plug for Buick Regal

    PartNumber: 5301
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Heat Range: 16
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1.1 mm
    • Overall Height: JIS
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053014
    • Part Description: Buick Regal Iridium Power™ Spark Plug
    More Info
    $6.31
  • Denso Iridium Power™ Spark Plug for Buick Regal - 5325

    Denso® Iridium Power™ Spark Plug for Buick Regal

    PartNumber: 5325
    Product Specifications
    • 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: Buick Regal Iridium Power™ Spark Plug
    More Info
    $6.17
  • Denso Platinum TT™ Spark Plug for Buick Regal - 4513

    Denso® Platinum TT™ Spark Plug for Buick Regal

    PartNumber: 4513
    Product Specifications
    • 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: ISO
    • Reach: 25 mm (1")
    • Seat Type: Tapered
    • Spark Plug Reach: 25.00 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045132
    • Wrench Diameter: 16 mm
    • Part Description: Buick Regal Platinum TT™ Spark Plug
    More Info
    $5.18
  • Denso Platinum TT™ Spark Plug for Buick Regal - 4507

    Denso® Platinum TT™ Spark Plug for Buick Regal

    PartNumber: 4507
    Product Specifications
    • 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: 19 mm (3/4")
    • Seat Type: Gasket
    • Spark Plug Reach: 19 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045071
    • Wrench Diameter: 16 mm
    • Part Description: Buick Regal Platinum TT™ Spark Plug
    More Info
    $3.54
  • Denso Platinum TT™ Spark Plug for Buick Regal - 4509

    Denso® Platinum TT™ Spark Plug for Buick Regal

    PartNumber: 4509
    Product Specifications
    • 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: 11.6 mm (.460")
    • Seat Type: Tapered
    • Spark Plug Reach: 11.6 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045095
    • Wrench Diameter: 16 mm
    • Part Description: Buick Regal Platinum TT™ Spark Plug
    More Info
    $3.38
  • Denso Platinum TT™ Spark Plug for Buick Regal - 4511

    Denso® Platinum TT™ Spark Plug for Buick Regal

    PartNumber: 4511
    Product Specifications
    • 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: Buick Regal Platinum TT™ Spark Plug
    More Info
    $3.38
  • Denso Original U-Groove Nickel Spark Plug for Buick Regal - 5022

    Denso® Original U-Groove Nickel Spark Plug for Buick Regal

    PartNumber: 5022
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 0.032"
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 16
    • Hex Size: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Tapered
    • Thread Diameter: 0.551"
    • Thread Reach: 0.709"
    • UPC: 042511050228
    • Part Description: Buick Regal Original U-Groove Nickel Spark Plug
    More Info
    $1.99
  • Denso Original U-Groove Nickel Spark Plug for Buick Regal - 5023

    Denso® Original U-Groove Nickel Spark Plug for Buick Regal

    PartNumber: 5023
    Product Specifications
    • 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: Buick Regal Original U-Groove Nickel Spark Plug
    More Info
    $1.99
  • Denso Original U-Groove Nickel Spark Plug for Buick Regal - 5026

    Denso® Original U-Groove Nickel Spark Plug for Buick Regal

    PartNumber: 5026
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 0.044"
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 16
    • Hex Size: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Tapered
    • Thread Diameter: 0.551"
    • Thread Reach: 0.457"
    • UPC: 042511050266
    • Part Description: Buick Regal Original U-Groove Nickel Spark Plug
    More Info
    $1.99
  • Denso Original U-Groove Nickel Spark Plug for Buick Regal - 5027

    Denso® Original U-Groove Nickel Spark Plug for Buick Regal

    PartNumber: 5027
    Product Specifications
    • 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: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Tapered
    • Thread Diameter: 0.551"
    • Thread Reach: 0.457"
    • UPC: 042511050273
    • Part Description: Buick Regal Original U-Groove Nickel Spark Plug
    More Info
    $1.99
  • OEM (Genuine) Buick Regal Spark Plug Asm-Gasoline Engine Ignition

    PartNumber: 12681659
    OEM Buick Regal Spark Plug Asm-Gasoline Engine Ignition - 12681659
    Product Specifications
    • Other Names: Spark Plug
    • Item Dimensions: 3.9 x 3.3 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12647827, 12626906
    • Part Description: Buick Regal Spark Plug Asm-Gasoline Engine Ignition
    More Info
    $8.74 MSRP: $15.80
    You Save: $7.06 (45%)
  • Denso Double Platinum Spark Plug for Buick Regal - 3005

    Denso® Double Platinum Spark Plug for Buick Regal

    PartNumber: 3005
    Product Specifications
    • Electrode Material: Platinum
    • Gap: .043" (1.1 mm)
    • Heat Range: 16
    • Hex Size: 5/8" (16 mm)
    • Insulator Type: Long Projection
    • Nominal Gap: 1.1 mm
    • Overall Height: ISO
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Spark Plug Reach: 0.748"
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511030053
    • Part Description: Buick Regal Double Platinum Spark Plug
    More Info
    $5.85
  • Denso Original U-Groove Nickel Spark Plug for Buick Regal - 5017

    Denso® Original U-Groove Nickel Spark Plug for Buick Regal

    PartNumber: 5017
    Product Specifications
    • 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: 19.00
    • Resistance: 5000
    • Seat Type: Flat
    • Thread Diameter: 0.551
    • UPC: 042511050174
    • Part Description: Buick Regal Original U-Groove Nickel Spark Plug
    More Info
    $1.67
  • Denso Iridium Power™ Spark Plug for Buick Regal - 5330

    Denso® Iridium Power™ Spark Plug for Buick Regal

    PartNumber: 5330
    Product Specifications
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Heat Range: 16
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1.1 mm
    • Overall Height: JIS
    • Reach: 11.6 mm (.460")
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053304
    • Part Description: Buick Regal Iridium Power™ Spark Plug
    More Info
  • Denso Original U-Groove™ Spark Plug for Buick Regal - 3037

    Denso® Original U-Groove™ Spark Plug for Buick Regal

    PartNumber: 3037
    Product Specifications
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 0.027"
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 16
    • Hex Size: 4/5"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Gasket
    • Thread Diameter: 0.551"
    • Thread Reach: 0.374"
    • Part Description: Buick Regal Original U-Groove™ Spark Plug
    More Info
  • Denso Original U-Groove Nickel Spark Plug for Buick Regal - 5021

    Denso® Original U-Groove Nickel Spark Plug for Buick Regal

    PartNumber: 5021
    Product Specifications
    • 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: 14
    • Hex Size: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Tapered
    • Thread Diameter: 0.551"
    • Thread Reach: 0.457"
    • UPC: 042511050211
    • Part Description: Buick Regal Original U-Groove Nickel Spark Plug
    More Info
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About Buick Regal Spark Plug

Buick Regal was originally a luxury car. It quickly became Oldsmobile's best-selling mid-size model. During the development of Buick Regal, many popular parts have been built, such as the spark plug. It goes all the way back to 1860 when it was first used to spark a gas engine. Issues with a spark plug can lead to a lot of problems, like the vehicle being less efficient on gas, stalling, and even damaging some components.
Buick Regal stands out for its great parts. But consumers will need a new Buick Regal spark plug if it is worn or damaged. The spark plug should be replaced every 30,000 miles or 30 months (whichever comes first). It has different heat ranges: the longer the spark plug insulator, the hotter the spark plug will operate; and the shorter the insulator, the cooler it will operate. We offer you a variety of Buick Regal parts at a reasonable price. Get impressive services and upkeep here online with performance parts.