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Spark Plug for 2010 Subaru Legacy

We have 25 Items In-stock. Select your vehicle's Submodel to continue.

NGK Iridium IX OE replacement Spark Plug

NGK Iridium IX OE Replacement Spark Plug

NGK Iridium IX Spark Plugs are engineered from iridium alloy material that has extremely high melting point, making it perfect for today's high-tech and high performance engines. These are manufactured to meet and even exceed OE part specifications that ensure precise fit and function with improved wear life.

Features:

Improves throttle response and superior anti fouling that deliver an outstanding acceleration, high fuel efficiency, and durability

Fine Iridium tip ensures high durability and consistent stable spark while their trivalent metal plating offers superior anti-corrosion and anti-seizing properties

NGK Spark Plug, NGK Iridium IX, Direct Fit, Sold Individually
$12.47 List Price $18.87 Save $6.40 Availability: In Stock
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  • SKU#: NG3764
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium
  • Gap Size: 1.1 mm
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
see more Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5i Limited, 2.5i Premium, 2.5i
Rating: (see review/s)

"Great Plug...should be required for dealerships to use for all tune-ups instead of using cheap plugs to just get by and double charge customers for parts and labor." posted by: Sparky on April 19, 2009 view all 2 reviews

NGK Spark Plug, NGK Iridium IX, Direct Fit, Sold Individually
$12.83 List Price $15.14 Save $2.31 Availability: In Stock
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  • SKU#: NG6619
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5GT
  • 6 Cyl 3.6L | 3.6R Limited, 3.6R Premium, 3.6R
Rating: (see review/s)

"great product good price fast shipping the staff is always very professional" posted by: EuroswagG on May 10, 2013

NGK Laser Iridium OE replacement Spark Plug

NGK Laser Iridium Spark Plug series provides superior ignitability and long service life. The smallest tip diameter Iridium or Platinum surface ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency, and lower emissions.


Features:

  • Ultimate evolution of spark plug technology and performance
  • Reduces the voltage requirement for spark which allows for a brighter and stronger spark from the existing ignition system
  • Iridium tipped fine wire center electrode is both stronger and harder than Platinum, while the Platinum tipped ground electrode further contributes toward the extreme longevity of the plug
  • Special design firing end construction
NGK Spark Plug, NGK Laser Iridium, Direct Fit, Sold Individually
$25.38 List Price $29.95 Save $4.57 Availability: In Stock
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  • SKU#: NG373
  • Electrode Core Material: Copper
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium
  • Gap Size: 0.8 mm
  • Heat Range: 6
  • Reach: 26.5 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
see more Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5GT
NGK Spark Plug, NGK Laser Iridium, Direct Fit, Sold Individually
$25.38 List Price $29.95 Save $4.57 Availability: In Stock
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  • SKU#: NG7505
  • Electrode Core Material: Copper
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium
  • Gap Size: 1.1 mm
  • Heat Range: 6
  • Reach: 26.5 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
see more Fits the following 2010 Subaru Legacy submodels:
  • 6 Cyl 3.6L | 3.6R Limited, 3.6R Premium, 3.6R
NGK Spark Plug, NGK Laser Iridium, Direct Fit, Sold Individually
$25.38 List Price $29.95 Save $4.57 Availability: In Stock
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  • SKU#: NG127
  • Electrode Core Material: Copper
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium
  • Gap Size: 1.1 mm
  • Heat Range: 6
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
see more Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5i Limited, 2.5i Premium, 2.5i

Denso Iridium Power OE replacement Spark Plug

Premium Class Iridium Spark Plugs from Denso are fast becoming the standard for today's high-tech engines. Employing a revolutionary 360 degrees laser welding process, Denso has created a spark plug unlike anything on the market today. These innovative spark plugs are designed for durability under the most extreme conditions. Denso's patented Iridium alloy is 6 times harder and 8 times stronger than conventional platinum and can handle temperatures in excess of 4,000 degrees Fahrenheit.


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
Denso Spark Plug, Denso Iridium Power, Direct Fit, Sold Individually
$13.75 List Price $16.23 Save $2.48 Availability: In Stock
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  • SKU#: NPIK20
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: 1.1 mm
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 12-month Denso limited warranty
see more Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5i
Rating: (see review/s)

"The front 3 Spark plugs easy to replace. The rear 3 are very hard to get to." posted by: CL on September 11, 2012

Denso Spark Plug, Denso Iridium Power, Direct Fit, Sold Individually
$12.35 List Price $14.57 Save $2.22 Availability: In Stock
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  • SKU#: NP5304
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Gap Size: 0.044 in.
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 12-month Denso limited warranty
see more Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5i
Denso Spark Plug, Denso Iridium Power, Direct Fit, Sold Individually
$12.88 List Price $15.20 Save $2.32 Availability: In Stock
  • Low Price Guarantee
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  • SKU#: NPIKH20
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: 1.1 mm
  • Reach: 26.5 mm
  • Thread Size: 14 mm
  • Warranty: 12-month Denso limited warranty
see more Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5GT
  • 6 Cyl 3.6L | 3.6R

Denso Platinum TT OE replacement Spark Plug

Denso Platinum TT OE Replacement Spark Plug

Denso is the world's leading provider of high quality automotive merchandises which are engineered from the modernized facilities and equipments. Denso's proficiencies with their products are better than rivals as they initially built them along with their strict and valued standards.

Denso Platinum Twin Tip Spark Plugs features revolutionary twin tip design that provides better ignitability for a more powerful and fuel-efficient combustion yielding better engine performance in terms of power and fuel economy.

Features:

  • Improves mileage and reduces carbon emissions
  • Provides additional power and quicker starts
Denso Spark Plug, Denso Platinum TT, Direct Fit, Sold Individually
$5.60 List Price $6.61 Save $1.01 Availability: In Stock
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  • SKU#: NPPKH20TT
  • Electrode Core Material: Platinum
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: 1.1 mm
  • Heat Range: 20
  • Reach: 26.5 mm
  • Thread Size: 14 mm
  • Warranty: 12-month Denso limited warranty
see more Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5GT
  • 6 Cyl 3.6L | 3.6R
Denso Spark Plug, Denso Platinum TT, Direct Fit, Sold Individually
$5.60 List Price $6.61 Save $1.01 Availability: In Stock
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)
  • SKU#: NPPK20TT
  • Electrode Core Material: Platinum
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: 1.1 mm
  • Heat Range: 20
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 12-month Denso limited warranty
see more Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5i

Denso Spark Plug

Denso's Premium Class Double Platinum Spark Plugs provides the most durable and reliable performance by incorporating the latest and most reliable design and materials for a spark plug. Denso applied platinum to both the center and ground electrodes with superior resistance to erosion and corrosion which enables Denso to create a spark plug capable of consistent, extended operation in excess of 60,000 miles.


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
Denso Spark Plug, Denso Platinum TT, Direct Fit, Sold Individually
$9.79 List Price $11.55 Save $1.76 Availability: In Stock
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  • SKU#: NP4504
  • Electrode Core Material: Platinum
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Gap Size: 1.02 mm
  • Reach: 19 mm
  • Thread Size: 14 mm
see more Fits the following 2010 Subaru Legacy submodels:
  • 4 Cyl 2.5L | 2.5i

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