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Pontiac Grand LeMans Spark Plug

We have 9 Items In-stock. Select a year to continue.
$7.70 List Price $9.09 Save $1.39 Availability: In Stock
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NGK YR55IX IRIDIUM IX SPARK PLUG, SOLD INDIVIDUALLY

NGK Iridium IX Spark Plug improves throttle response and superior anti fouling that deliver an outstanding acceleration, high fuel efficiency and durability with its ultimate design, technology and performance.

Specifications:
  • 14 mm thread size
  • 11 mm reach
  • 16 mm hex size
  • 0.06 in. gap size
  • Tapered seat style
  • Resistor plug type
  • Solid terminal nut
  • Projected tip
  • Fine wire 0.6 mm iridium center electrode
  • Tapered cut ground electrode

Features:
  • Iridium alloy has extremely high melting point making it perfect for today's high-tech and high performance engines
  • Fine Iridium tip that ensures high durability and a consistently stable spark
  • Trivalent metal plating offers superior anti-corrosion and anti-seizing properties


  • SKU#: NG7588
  • Brand: NGK
  • 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 Pontiac Grand LeMans Years:
  • 1975 | 6 Cyl 4.1L | Base
$12.43 List Price $14.67 Save $2.24 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 welding process, Denso has created a spark plug unlike anything on the market today. 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.

Specification:
  • 14 mm thread size
  • 11.6 mm reach
  • 0.63 in. hex size
  • 0.04 in. gap size
  • Tapered seat style
  • Resistor plug type
  • Tapered cut U-groove ground electrode
  • Removable terminal
  • Heat range 16

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#: NP5330
  • Brand: Denso
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Gap Size: 0.044 in.
  • Reach: 11.6 mm
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Fits the following Pontiac Grand LeMans Years:
  • 1983 | 8 Cyl 5.0L | BR
  • 1979-1983 | 8 Cyl 5.0L | Base
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$13.77 List Price $16.25 Save $2.48 Availability: In Stock
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BOSCH SUPER CLASS PLATINUM PLUS SPARK PLUG -- Platinum plug, 14 mm thread size, 22 mm reach, 16 mm hex size, tapered seat, interference suppression resistor, heat fused platinum center electrode, tapered yttrium enhanced ground electrode, 2.0 mm gap, heat range 9; Features platinum center electrode that is heat fused into the extended ceramic insulator; Reaches self cleaning temperature faster for quicker starts, smoother acceleration and increased fuel efficiency; Tapered V-profile nickel ground electrode provides improved starting in cold weather and increased fuel ignitability; Metal glass fused resistor allows for maximum interference suppression while the ribbed insulator design prevents misfires due to current leakage.
  • SKU#: BS4010
  • Brand: Bosch
  • Electrode Core Material: Platinum
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Platinum
  • Gap Size: 2 mm
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Fits the following Pontiac Grand LeMans Years:
  • 1981 | 6 Cyl 3.8L | Base, LE, Safari
$5.63 List Price $6.64 Save $1.01 Availability: In Stock
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AC DELCO SPARK PLUG ASSEMBLY, SOLD INDIVIDUALLY -- Constructed from top quality materials to help the engine run clean and longer; Features a copper-core center electrode for improved heat transfer to the tip; Hot-tip insulators heats fast and fires hot to promote longer electrode life for miles of dependable performance; Nickel-chrome alloy sheathing on the ground and center electrodes offers maximum resistance against wear from spark erosion and the corrosive environment of the combustion chamber; Engineered to high standards and tested under extreme conditions to exceed OE specifications; Replaces OE number 5613956.
  • SKU#: ACR44TS
  • Brand: AC Delco
  • Fit Note: Car
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Nickel alloy
  • Thread Size: 14 mm
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Fits the following Pontiac Grand LeMans Years:
  • 1980 | 8 Cyl 5.0L | Base
$14.95 List Price $17.64 Save $2.69 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 delivers the fuel mixture far beyond the typical conventional spark plugs and produces not only better fuel efficiency, but also increased torque and horsepower.

Specifications:
  • 14 mm thread size
  • 11.6 mm reach
  • 16 mm hex size
  • 1.14 mm gap
  • 0.5 mm fine-wire iridium tipped center electrode with copper core
  • Tapered seat
  • Resistor
  • Nickel alloy ground electrode

Features:
  • Latest in performance ignition technology
  • Provides up to 12 percent more horsepower and torque plus livelier throttle response than conventional spark plugs
  • Allows more efficient burning of fuel and generates a much larger spark at twice the speed than ordinary spark plugs
  • Promotes an increased gas mileage and greater horsepower to the wheels
  • Reduces carbon dioxide emissions and provides cleaner exhaust and more efficient combustion
  • Uses an internal circuit that delivers up to 1,000,000 watts of peak power that increases peak spark current by up to 20,000 times that of a traditional spark plug


  • SKU#: PSTRCB1H10
  • Brand: Pulstar
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium
  • Gap Size: 1.14 mm
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Fits the following Pontiac Grand LeMans Years:
  • 1983 | 8 Cyl 5.0L | BR
  • 1982-1983 | 6 Cyl 3.8L | BR
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$5.61 List Price $6.62 Save $1.01 Availability: In Stock
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MOTORCRAFT SUPPRESSOR SPARK PLUG, COPPER, SOLD INDIVIDUALLY

Delivers maximum voltage to the spark plug while maximizing performance and increases engine life; Resists corrosion and abrasion; Reduces the chance of misfire.


  • SKU#: MISP425
  • Brand: Motorcraft
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Nickel alloy
  • Warranty: 12-month or 12,000-mile Motorcraft limited warranty
 
Fits the following Pontiac Grand LeMans Years:
  • 1981 | 6 Cyl 3.8L | LE
  • 1980-1981 | 6 Cyl 3.8L | Base, Safari
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$2.71 List Price $3.20 Save $0.49 Availability: In Stock
  • Clearance Item
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CHAMPION TRADITIONAL SPARK PLUG, SOLD INDIVIDUALLY

Champion Traditional Spark Plugs have original equipment on a wide variety of engines for many years. Features nickel alloy centers and ground electrodes with reasonably good wear characteristics.

Specifications:
  • 14 mm thread diameter
  • Projected tip

Features:
  • Made of corrosion resistant zinc plated shell with copper plus core design
  • Most durable high voltage semiconductor


  • SKU#: C3317
  • Brand: Champion
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Copper
  • Reach: 14 mm
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Fits the following Pontiac Grand LeMans Years:
  • 1977-1979 | 8 Cyl 4.9L | Base, Safari
  • 1978 | 6 Cyl 3.8L | Base, Safari
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$5.95 List Price $8.99 Save $3.04 Availability: In Stock
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E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 11.17 mm reach, 0.62 in. hex size, tapered seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.
  • SKU#: PYRE342
  • Brand: E3
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Product Class: Fuel saver
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Nickel alloy
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Fits the following Pontiac Grand LeMans Years:
  • 1982-1983 | 6 Cyl 3.8L | BR
  • 1977-1983 | 8 Cyl 5.0L | Base
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$3.52 List Price $4.15 Save $0.63 Availability: In Stock
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ACCEL U-GROOVE PERFORMANCE SPARK PLUG -- 14 mm thread size, 0.460 in. reach, 5/8 in. wrench diameter, heat range 6; Resistor type, copper electrode core/tip material, projected insulator type, tapered seat style; Constructed with a five-rib, highly purified Alumina insulator that prevents arcing at plug boot and provides superior strength and thermal conductivity, a copper-glass seal that bonds insulator to electrode for a gas-tight seal, and a copper-core center electrode that comes with nickel chrome sheel for superior electrical conductivity and maximum heat dissipation; Its electric heat seal ensures stable heat range for uniform performance; The plug's machine rolled threads guarantee trouble free installation and removal, protecting the expensive cylinder heads; Features a unique U-groove ground electrode developed to meet the demand for improved ignitability and increased fuel combustion resulting in less flame dissipation; Gives the flame a groove to grow in that creates a larger flame front for a more complete combustion even in the case of lean air-fuel mixture; Produces greater firing energy without increasing spark plug gap and larger spark nucleus that stimulates faster combustion; Provides an increase in performance with improved throttle response, greater fuel efficiency and reduced emissions; With 90-day Accel limited warranty.
  • SKU#: A350586
  • Brand: Accel
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Copper
  • Reach: 0.46 in.
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Fits the following Pontiac Grand LeMans Years:
  • 1980-1981 | 8 Cyl 4.3L | Base, Safari
  • 1979-1980 | 8 Cyl 4.9L | Base, Safari
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