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Dodge M300 Spark Plug

We have 6 Items In-stock. Select a year to continue.
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Dodge M300 Spark Plug, NGK G-Power Spark Plug - Direct Fit

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$4.04 $4.77 You Save $0.73 (15%)
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NGK UR5GP G-POWER PLATINUM SERIES SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread, 11 mm reach, 16 mm hex size, tapered seat, resistor, solid terminal, projected tip, platinum tipped center electrode, trapezoid beveled cut ground electrode, one ground strap quantity, 1.016 mm gap, heat range 5; The best platinum spark plug at an economical cost; Features fine platinum tip that reduces required voltage; Provides faster starts and quicker acceleration; Extremely durable under high heat; Trivalent metal plating offers superior anti-corrosion and anti-seizing properties.
  • Sku#: NG3547
  • Brand: NGK
  • Series: NGK G-Power
  • 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
  • Gap Size: 1.016 mm
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
  • Reach: 11 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
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Fits the following Dodge M300 Years

  • 1974 | Base | 8 Cyl 7.2L

Dodge M300 Spark Plug, Denso Standard Spark Plug - Direct Fit

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$4.51 $5.32 You Save $0.81 (15%)
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DENSO REGULAR CLASS TRADITIONAL SPARK PLUG

Denso's Regular Class Traditional Spark Plugs guarantee the quality of the product they produce because every component that leaves their factories has been designed with precision, manufactured to the strictest OE standards and subjected to rigorous safety and performance tests.

Specification:
  • 14 mm thread size
  • 19 mm reach
  • 0.81 in. hex size
  • 0.02 in. gap size
  • Gasket seat style
  • Resistor plug type
  • U-groove ground electrodes
  • Solid terminal
  • Full projected tip
  • Heat range 14

Features:
  • Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
  • Five-rib design prevents flashover while decreasing voltage loss
  • Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
  • Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
  • Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles


  • Sku#: NP3013
  • Brand: Denso
  • Series: Denso Standard
  • 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: 0.027 in.
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 1 year Denso limited warranty
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Fits the following Dodge M300 Years

  • 1974 | Base | 8 Cyl 5.2L

Dodge M300 Spark Plug, Motorcraft Spark Plug - Direct Fit

$7.84 $9.25 You Save $1.41 (15%)
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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#: MISP476
  • 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 Dodge M300 Years

  • 1968 | Base | 6 Cyl 4.1L

Dodge M300 Spark Plug, Champion Single Platinum Power Spark Plug - Direct Fit

$4.78 $5.64 You Save $0.86 (15%)
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CHAMPION SINGLE PLATINUM POWER PLUG, SOLD INDIVIDUALLY

Champion Single Platinum Power Plugs reduce and maintain gap growth and proper gap. The voltage needed to fire them remains consistent, reducing the chance of misfire.

Specifications:
  • 14 mm thread diameter
  • V-trimmed ground electrode
  • Gasket seat
  • Core nose projection
  • Extended electrode gap

Features:
  • Center and side electrodes are tapered for performance while platinum tip on center electrode guarantees extended plug life


  • Sku#: C333405
  • Brand: Champion
  • Series: Champion Single Platinum Power
  • 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: 19 mm
  • Warranty: 1-year Champion limited warranty
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Fits the following Dodge M300 Years

  • 1968-1973 | Base | 8 Cyl 5.2L

Dodge M300 Spark Plug, E3 Spark Plug

$7.64 $9.02 You Save $1.38 (15%)
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E3 SPARK PLUGS, SET OF 6 -- A high quality, direct fit spark plugs.
  • Sku#: PYRE352
  • Brand: E3
  • Quantity Sold: Sold Individually
  • Anticipated Ship Out Time: Same day - 1 business day
  • Reach: 0.375 in.

Fits the following Dodge M300 Years

  • 1968 | Base | 6 Cyl 4.1L

Dodge M300 Spark Plug, Accel C-Cut Spark Plug - Direct Fit

$45.37 $53.54 You Save $8.17 (15%)
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ACCEL - C-CUT SPARK PLUGS

Accel’s C-Cut Spark Plugs were designed to allow spark to expand directly above the midpoint of the electrode core. This creates a larger flame for a more efficient burn, resulting in better throttle response, high RPM power and increased fuel efficiency. Accel has over four decades of designing and manufacturing race-winning fuel and ignition systems.

  • Spark expands directly above electrode’s mid-point
  • Spark radius is larger but gap remains the same
  • C-Cut design prevents overheating of electrode and misfiring and rough idle
  • Better throttle response, fuel efficiency and high RPM power
  • Larger flame for more efficient burn

 

 

  • Sku#: A358197
  • Brand: Accel
  • Series: Accel C-Cut
  • Product Fit: Direct Fit
  • Quantity Sold: Set of 8
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Recommended Use: Performance
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Copper
  • Heat Range: 7
  • Reach: 0.38 in.
  • Thread Size: 14 mm
  • Warranty: 90-day Accel limited warranty
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Fits the following Dodge M300 Years

  • 1974 | Base | 8 Cyl 7.2L

Select more Dodge M300 parts under Spark Plugs, Wires & Components from list below.

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