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Hummer Spark Plug

We have 8 Items In-stock.
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Hummer Spark Plug, E3 DiamondFire Spark Plug - Direct Fit

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$5.95 $8.99 You Save $3.04 (34%)
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Availability: In Stock
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E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 25.4 mm reach, 0.62 in. hex size, tapered seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel a...(see more)
  • Sku#: PYRE366
  • Brand: E3
  • Series: E3 DiamondFire
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Product Class: Fuel Saver
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 1.016 mm
  • Reach: 25.4 mm
  • Thread Size: 14 mm
  • Warranty: 5-year or 100,000-mile E3 limited warranty
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Fits the following Hummer Models

  • H3 | Base | 5 Cyl 3.5L
  • H3 | X | 5 Cyl 3.7L
  • H3 | Base | 5 Cyl 3.7L
  • H3T | Base | 5 Cyl 3.7L
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Hummer Spark Plug, NGK Iridium IX Spark Plug - Direct Fit

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$12.37 $14.60 You Save $2.23 (15%)
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NGK LTR5IX-11 IRIDIUM IX SERIES SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread, 25 mm reach, 16 mm hex size, tapered seat, resistor, solid terminal nut, projected tip, fine wire 0.6 mm iridium center ...(see more)
  • Sku#: NG4344
  • Brand: NGK
  • Series: NGK Iridium IX
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
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Fits the following Hummer Models

  • H3 | Base | 5 Cyl 3.5L
  • H3 | X | 5 Cyl 3.7L
  • H3 | Base | 5 Cyl 3.7L
  • H3T | Base | 5 Cyl 3.7L
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Customer Review: (see review/s)

Hummer Spark Plug, AC Delco Iridium Spark Plug - Direct Fit

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$9.63 $11.36 You Save $1.73 (15%)
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Availability: In Stock
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AC DELCO IRIDIUM SPARK PLUG, SOLD INDIVIDUALLY

AC Delco Iridium Spark Plug allows smaller, more efficient electrode designs for improved cold starting, and quicker acceleration.
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  • Sku#: AC41-103
  • Brand: AC Delco
  • Series: AC Delco Iridium
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Iridium
  • Warranty: 100,000-mile AC Delco limited warranty
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Fits the following Hummer Models

  • H3 | Base | 5 Cyl 3.5L
  • H3 | Base | 5 Cyl 3.7L

Hummer Spark Plug, Bosch Platinum+4 Spark Plug - Direct Fit

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$7.90 $9.32 You Save $1.42 (15%)
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Availability: In Stock
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BOSCH PREMIUM CLASS PLATINUM+4 SPARK PLUG

Bosch Premium Class Platinum+4 Spark Plug contains the most platinum in the Bosch Platinum Plug Series and has a unique firing technology that ...(see more)
  • Sku#: BS4482
  • Brand: Bosch
  • Series: Bosch Platinum+4
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Reach: 25 mm
  • Thread Size: 14 mm
  • Warranty: 1 year or 12,000-mile Bosch limited warranty
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Fits the following Hummer Models

  • H3 | Base | 5 Cyl 3.5L
  • H3 | Base | 5 Cyl 3.7L
  • H3 | X | 5 Cyl 3.7L
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Customer Review: (see review/s)

Hummer Spark Plug, Denso Iridium Power Spark Plug - Direct Fit

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$12.94 $15.27 You Save $2.33 (15%)
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Availability: In Stock
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DENSO PREMIUM CLASS IRIDIUM SPARK PLUG

Denso's Premium Class Iridium Spark Plugs is fast becoming the standard for today's high-tech engines. Employing a revolutionary 360 degrees laser...(see more)
  • Sku#: NP5338
  • Brand: Denso
  • Series: Denso Iridium Power
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Gap Size: 0.044 in.
  • Reach: 25 mm
  • Thread Size: 14 mm
  • Warranty: 1 year Denso limited warranty
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Fits the following Hummer Models

  • H3 | Base | 5 Cyl 3.5L
  • H3 | X | 5 Cyl 3.7L
  • H3 | Base | 5 Cyl 3.7L
  • H3T | Base | 5 Cyl 3.7L
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Hummer Spark Plug, Motorcraft Spark Plug - Direct Fit

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$3.73 $4.40 You Save $0.67 (15%)
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Availability: In Stock
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MOTORCRAFT SPARK PLUG

0.04 mm gap, standard plug type, standard service plug; A high quality, OE replacement spark plug.


  • Sku#: MISP461
  • Brand: Motorcraft
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Gap Size: 0.035 mm
  • Warranty: 1 year or 12,000-mile Motorcraft limited warranty
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Fits the following Hummer Models

  • H2 | Base | 8 Cyl 6.0L

Hummer Spark Plug, Champion Double Platinum Spark Plug - Direct Fit

Best Seller
$7.85 $9.26 You Save $1.41 (15%)
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Availability: In Stock
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CHAMPION DOUBLE PLATINUM SPARK PLUG, SOLD INDIVIDUALLY

Champion Double Platinum Power Spark Plugs use a fine-wire and V-trimmed center electrode to create a sharper spark focus than co...(see more)
  • Sku#: C337983
  • Brand: Champion
  • Series: Champion Double Platinum
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Reach: 14 mm
  • Thread Size: 18 mm
  • Warranty: 1-year Champion limited warranty
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Fits the following Hummer Models

  • H2 | Base | 8 Cyl 6.0L
  • H2 | Base | 8 Cyl 6.2L
  • H3 | Alpha | 8 Cyl 5.3L
  • H3 | Championship Series | 8 Cyl 5.3L
  • H3T | Alpha | 8 Cyl 5.3L
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Hummer Spark Plug, Pulstar Iridium Pulse Spark Plug - Direct Fit

Best Seller
$14.95 $17.64 You Save $2.69 (15%)
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Availability: In Stock
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PULSTAR IRIDIUM PULSE SPARK PLUG, SOLD INDIVIDUALLY

Pulstar Pulse Spark Plug contains integrated electrical capacitor that focuses on the energy of the plug. Its electrical energy deli...(see more)
  • Sku#: PSTREF1H10
  • Brand: Pulstar
  • Series: Pulstar Iridium Pulse
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Iridium
  • Gap Size: 1.14 mm
  • Reach: 25 mm
  • Thread Size: 14 mm
  • Warranty: Lifetime Pulstar limited warranty
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Fits the following Hummer Models

  • H3 | Base | 5 Cyl 3.5L
  • H3 | X | 5 Cyl 3.7L
  • H3 | Base | 5 Cyl 3.7L
  • H3T | Base | 5 Cyl 3.7L
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Customer Review: (see review/s)

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