Top 7 Ql78yc Marine Spark Plug – Automotive Replacement Spark Plugs

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1. Champion

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Champion 6 Pack of Genuine OEM 938S Spark Plugs # QL78YC-6PK

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Champion #ad - Includes 6 Spark Plug. Consult owners manual for proper part number identification and proper installation. Thread: 14mm, terminal type: solid, reach: 12. 7mm, new, hex size: 21mm, tip configuration: projected, Seat type: flat, Type: Standard, Bulk Packed. Genuine Champion Spark Plugs. Please refer to list for compatibility.
BrandChampion #ad
ManufacturerChampion #ad
Height4 Inches
Length3 Inches
Width3 Inches
Part NumberQL78YC

2. Champion

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Champion 938M Pack of 4 Spark Plugs

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Champion #ad - Pack of 4. Consult owners manual for proper part number identification and proper installation. Thread size: 14mm, seat Type: Gasket, Resistor Type: Inductive. Genuine oem Champion Spark Plugs. Reach: 12. 7mm 1/2", terminal type: solid, hex size: 13/16" 21mm, Gap: .024" 06mm.
BrandChampion #ad
ManufacturerChampion #ad
Height4 Inches
Length1 Inches
Weight0.53 Pounds
Width4 Inches
Part Number938M
Model938M

3. E3 Spark Plugs

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E3 Spark Plugs Power sports Spark Plug Each E336

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E3 Spark Plugs #ad - Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions. Replacement racing spark plug used by many professional car drivers. Contains an yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition. Hex size- 5/8 inch. Fit type: Universal Fit. Thread reach- 0750 inch. Thread diameter- 12mm.
BrandE3 Spark Plugs #ad
ManufacturerE3 Spark Plugs #ad
Height6 Inches
Length1 Inches
Weight0.13 Pounds
Width4 Inches
Part NumberE336
ModelE336
WarrantyManufacturer Warranty

4. QuickSilver

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Quicksilver 97182Q NGK BUHW-2 Surface Gap Spark Plug, 1-Pack

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QuickSilver #ad - Ngk buhw-2 surface gap plugs feature a tungsten center electrode and a solid terminal. Check your engine owner’s manual for the correct spark plug and use only the plug as recommended by your engine’s original equipment manufacturer. Replace all the engine plugs at the same time. Ngk trivalent metal plating also provides superior anti-corrosion in the marine environment and anti-seizing for easier removal. Don’t just clean used spark plugs, replace them with new plugs for better performance.
BrandQuickSilver #ad
ManufacturerQuicksilver #ad
Height17 Inches
Length8 Inches
Width8 Inches
Part Number97182Q
Model97182Q

5. Champion

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Pack of 1, Champion RC12YC Spark Plug

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Champion #ad - Dependable and durable. Tintac and ultraseal shell for best corrosion protection of any spark plug in the industry. Built to iso and SAE standards for proven performance. Copper core center electrode allows for accurate control of heat range for longer life.
BrandChampion #ad
ManufacturerChampion #ad
Height0.75 Inches
Length1 Inches
Weight0.1 Pounds
Width3.75 Inches
Part NumberRC12YC
ModelRC12YC
Warranty5 Year Limited

6. LEXIVON

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Cr-v Steel LX-122, LEXIVON 5/8" Swivel Magnetic Spark Plug Socket, 3/8" Drive x 10" Total Length | Enhanced Magnetic Design With Thin Wall Socket

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LEXIVON #ad - Durable - hardened and heat treated Chrome Vanadium alloy steel. Constructed and Designed for Spark Plug removal and installation. Identifying Laser-etched size.

Must have - smooth 360 degree ball swivel 5/8" socket enhanced with Magnetic & Thin Wall Design. 3/8"" drive teng x 10-Inch Total Length. 100% risk-free – meet & exceeds ansi the american national Standard Institute and backed by our Lifetime Limited Warranty for your complete peace of mind. Longevity - fully polished, chrome plated mirror finish resists corrosion and easy to clean, Knurled shaft prevents slipping. Maximum flexibility in a tight area with smooth 360-degree action. Comfortable - magnetic core effectively retains spark plugs and minimizes damage.
BrandLEXIVON #ad
ManufacturerLEXIVON #ad
Height10 Inches
Length1 Inches
Width1 Inches
Part NumberLX-122
ModelLX-122

7. Champion

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Champion L78YC, BP8HN10 936M Marine 8 Pack

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Champion #ad - Please refer to list for compatibility. Consult owners manual for proper part number identification and proper installation. Genuine Champion Spark Plugs. Thread: 14mm, tip configuration: projected, type: standard, Terminal type: Removable, Hex size: 21mm, new, Seat type: flat, Reach: 12.7mm, bulk Packed. Includes 8 Spark Plug.
BrandChampion #ad
ManufacturerChampion #ad
Height4 Inches
Length4 Inches
Weight1.05 Pounds
Width2 Inches
Part NumberL78YC
Model936M