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OEM (Genuine) Cadillac Spark Plug
PartNumber: 12622441
Product Specifications- Other Names: Spark Plug
- Item Dimensions: 4.0 x 3.8 x 1.5 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: Cadillac Spark Plug
$8.74 MSRP:$15.80You Save: $7.06 (45%)
Denso® Cold Type Iridium Long-Life Spark Plug for Cadillac
PartNumber: 3403Product Specifications- Electrode Material: Iridium
- Gap: .031" (0.8 mm)
- Heat Range: 20
- Hex Size: 5/8" (16 mm)
- Nominal Gap: 0.8 mm
- Overall Height: ISO
- Reach: 19 mm (3/4")
- Seat Type: Gasket
- Terminal Type: Solid
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- UPC: 042511034037
- Part Description: Cadillac Cold Type Iridium Long-Life Spark Plug
$9.44
OEM (Genuine) Cadillac Spark Plug
PartNumber: 12681660
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: 12622561
- Part Description: Cadillac Spark Plug
$8.74 MSRP:$15.80You Save: $7.06 (45%)
Denso® Iridium TT™ Spark Plug for Cadillac
PartNumber: 4704Product Specifications- Electrode Material: Iridium
- Gap: .039" (1.0 mm)
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: Platinum Twin-Tip
- Heat Range: 20
- Hex Size: 5/8" (16 mm)
- Material: Nickel
- Nominal Gap: 1 mm
- Overall Height: ISO
- Reach: 26.5 mm (1.04")
- Seat Type: Gasket
- Spark Plug Reach: 26.50 mm
- Terminal Type: Solid
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- UPC: 042511047044
- Wrench Diameter: 16 mm
- Part Description: Cadillac Iridium TT™ Spark Plug
$7.25
OEM (Genuine) Cadillac Glow Plug
PartNumber: 12639701
Product Specifications- Other Names: Glow Plug
- Item Dimensions: 6.4 x 1.1 x 1.0 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 97364968
- Part Description: Cadillac Glow Plug
$24.20 MSRP:$41.63You Save: $17.43 (42%)
Denso® Iridium Power™ Spark Plug for Cadillac
PartNumber: 5340Product Specifications- Electrode Material: Iridium
- Gap: .031" (0.8 mm)
- Heat Range: 22
- Hex Size: 5/8" (16 mm)
- Nominal Gap: 0.8 mm
- Overall Height: ISO
- Reach: 25 mm (1")
- Seat Type: Tapered
- Terminal Type: Solid
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- UPC: 042511053403
- Part Description: Cadillac Iridium Power™ Spark Plug
$7.11
OEM (Genuine) Cadillac Spark Plug
PartNumber: 12646780
Product Specifications- Other Names: Spark Plug
- Item Dimensions: 4.2 x 3.2 x 1.1 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: Cadillac Spark Plug
$8.92 MSRP:$16.12You Save: $7.20 (45%)
Denso® Iridium TT™ Spark Plug for Cadillac
PartNumber: 4718Product 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: Cadillac Iridium TT™ Spark Plug
$7.36
OEM (Genuine) Cadillac Spark Plug
PartNumber: 12571165
Product Specifications- Other Names: Spark Plug
- Item Dimensions: 6.8 x 3.5 x 0.9 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Part Description: Cadillac Spark Plug
$9.76 MSRP:$17.64You Save: $7.88 (45%)
Denso® Iridium TT™ Spark Plug for Cadillac
PartNumber: 4719Product 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: Cadillac Iridium TT™ Spark Plug
$7.50
OEM (Genuine) Cadillac Spark Plug
PartNumber: 19300872
Product Specifications- Other Names: Spark Plug
- Item Dimensions: 4.6 x 3.8 x 1.2 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12597464, 92220447
- Part Description: Cadillac Spark Plug
$7.18 MSRP:$12.98You Save: $5.80 (45%)
Denso® Iridium Long-Life Spark Plug for Cadillac
PartNumber: 3421Product Specifications- Electrode Material: Iridium
- Gap: .043" (1.1 mm)
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: Platinum Chip
- Heat Range: 20
- Hex Size: 5/8" (16 mm)
- Material: Nickel
- Nominal Gap: 1.1 mm
- Overall Height: ISO
- Reach: 26.5 mm (1.04")
- Seat Type: Gasket
- Spark Plug Reach: 16.50 mm
- Terminal Type: Solid
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- UPC: 042511034211
- Part Description: Cadillac Iridium Long-Life Spark Plug
$7.28
OEM (Genuine) Cadillac Glow Plug
PartNumber: 55496294
Product Specifications- Other Names: Glow Plug, Harness
- Item Dimensions: 23.8 x 1.2 x 1.0 inches
- Fitment Type: Direct Replacement
- Part Description: Cadillac Glow Plug
$35.39 MSRP:$56.21You Save: $20.82 (38%)
Denso® Iridium Power™ Spark Plug for Cadillac
PartNumber: 5344Product Specifications- Electrode Material: Iridium
- Gap: .043" (1.1 mm)
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: Tapercut, U-Groove
- Heat Range: 20
- Hex Size: 5/8" (16 mm)
- Material: Nickel
- Nominal Gap: 1.1 mm
- Overall Height: ISO
- Reach: 26.5 mm (1.04")
- Seat Type: Gasket
- Spark Plug Reach: 26.50 mm
- Terminal Type: Solid
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- UPC: 042511053441
- Wrench Diameter: 16 mm
- Part Description: Cadillac Iridium Power™ Spark Plug
$6.61
OEM (Genuine) Cadillac Spark Plug
PartNumber: 12642722
Product Specifications- Other Names: Spark Plug
- Item Dimensions: 3.0 x 3.0 x 1.0 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: Cadillac Spark Plug
$8.81 MSRP:$15.92You Save: $7.11 (45%)
Denso® Iridium Power™ Spark Plug for Cadillac
PartNumber: 5338Product 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: Cadillac Iridium Power™ Spark Plug
$6.48OEM (Genuine) Cadillac Glow Plug
PartNumber: 97226202
Product Specifications- Item Dimensions: 7.4 x 5.1 x 0.9 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: Cadillac Glow Plug
$19.38 MSRP:$35.06You Save: $15.68 (45%)
Denso® Iridium Power™ Spark Plug for Cadillac
PartNumber: 5339Product 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: Cadillac Iridium Power™ Spark Plug
$6.61
OEM (Genuine) Cadillac Spark Plug
PartNumber: 55564748
Product Specifications- Item Dimensions: 4.2 x 2.1 x 2.1 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: Cadillac Spark Plug
$13.21 MSRP:$23.90You Save: $10.69 (45%)
Denso® Iridium Long-Life Spark Plug for Cadillac
PartNumber: 5087Product Specifications- Electrode Material: Iridium
- Gap: .043" (1.1 mm)
- Heat Range: 20
- Hex Size: 5/8" (16 mm)
- Nominal Gap: 1.1 mm
- OE Part Number: ZT20EPR11
- Overall Height: JIS
- Reach: 18.00 mm
- Seat Type: Tapered
- Terminal Type: Solid
- Thread Diameter: 14.00 mm
- Thread Pitch: 1.25 mm
- UPC: 042511050877
- Wrench Diameter: 16 mm
- Part Description: Cadillac Iridium Long-Life Spark Plug
$5.83OEM (Genuine) Cadillac Glow Plug
PartNumber: 97326305
Product Specifications- Item Dimensions: 7.6 x 5.2 x 0.5 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Cadillac Glow Plug
$24.22 MSRP:$43.86You Save: $19.64 (45%)
Denso® Iridium TT™ Hot Type Spark Plug for Cadillac
PartNumber: 4701Product 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: 19 mm (3/4")
- Resistance: 5000 Ohms
- Seat Type: Gasket
- Terminal Type: Solid
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- UPC: 042511047013
- Part Description: Cadillac Iridium TT™ Hot Type Spark Plug
$6.61
OEM (Genuine) Cadillac Glow Plug
PartNumber: 55506604
Product Specifications- Other Names: Glow Plug
- Fitment Type: Direct Replacement
- Part Description: Cadillac Glow Plug
$23.24 MSRP:$42.09You Save: $18.85 (45%)
Denso® Iridium TT™ Cold Type Spark Plug for Cadillac
PartNumber: 4702Product Specifications- Electrode Material: Iridium
- Gap: .039" (1.0 mm)
- Ground Electrode Quantity: 1
- Ground Electrode Tip Design: Platinum Twin -Tip
- Heat Range: 20
- Hex Size: 5/8" (16 mm)
- Material: Nickel
- Nominal Gap: 1 mm
- Overall Height: ISO
- Reach: 19 mm (3/4")
- Resistance: 5000 Ohms
- Seat Type: Gasket
- Spark Plug Reach: 19 mm
- Terminal Type: Solid
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- UPC: 042511047020
- Wrench Diameter: 16 mm
- Part Description: Cadillac Iridium TT™ Cold Type Spark Plug
$6.61
OEM (Genuine) Cadillac Spark Plug
PartNumber: 12680074
Product Specifications- Other Names: Spark Plug
- Item Dimensions: 6.7 x 3.7 x 1.1 inches
- Item Weight: 1.00 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12627160
- Part Description: Cadillac Spark Plug
$8.74 MSRP:$15.80You Save: $7.06 (45%)
Denso® Iridium TT™ Spark Plug for Cadillac
PartNumber: 4706Product 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: Cadillac Iridium TT™ Spark Plug
$6.48
OEM (Genuine) Cadillac Spark Plug
PartNumber: 55504354
Product Specifications- Other Names: Spark Plug
- Item Dimensions: 3.7 x 3.2 x 0.8 inches
- Fitment Type: Direct Replacement
- Part Description: Cadillac Spark Plug
$9.77 MSRP:$17.66You Save: $7.89 (45%)
Denso® Iridium TT™ Spark Plug for Cadillac
PartNumber: 4708Product Specifications- Electrode Material: Iridium
- Gap: .039" (1.0 mm)
- Heat Range: 16
- Hex Size: 13/16" (21 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: 042511047082
- Part Description: Cadillac Iridium TT™ Spark Plug
$6.48OEM (Genuine) Cadillac Glow Plug
PartNumber: 12563554
Product Specifications- Item Dimensions: 6.5 x 3.4 x 0.8 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25168651
- Part Description: Cadillac Glow Plug
$11.44 MSRP:$20.68You Save: $9.24 (45%)
Denso® Iridium TT™ Spark Plug for Cadillac
PartNumber: 4713Product 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: Cadillac Iridium TT™ Spark Plug
$6.61
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Next >About Cadillac Spark Plug
Cadillac is a division of the American automobile manufacturer General Motors. Because of its unique design and parts, athletes and actors have become big fans of the company. During the development of the Cadillac, many popular spark plug parts have been built. The Cadillac spark plug parts are used for ionization of cylinders when they are not firing. The regular spark plug comes with a copper core and metal terminal for the steel shell.
While maintenance and upgrades for Cadillac spark plug parts are required after long time of usage. The spark plugs should be replaced every 30,000 miles or 30 months (whichever comes first). To change the spark plugs on your vehicle you will need the proper size Cadillac socket, a gapping gauge, a ratchet, a torque wrench, and a new set of Cadillac spark plug parts. There are plenty of inexpensive and quality parts on our site. Consumers can get great products and services online 24 hours a day and 7 days a week.