Small Engine Spark Plugs

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BRIGGS & STRATTON 5435K Spark Plug

Used on select 625E, 675E and 725E engines, this OEM part ensures proper fit and performance to maintain the life of your BRIGGS & STRATTON engine. Parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in BRIGGS & STRATTON engines. Not only are BRIGGS & STRATTON genuine parts assured to fit, but using them ensures that the BRIGGS & STRATTON engine they are installed on complies with applicable (EPA) emission regulations.
$5.99

BRIGGS & STRATTON Extended Life 5062K Spark Plug, 14 mm Thread, 13/16 in Hex, Platinum

BRIGGS & STRATTON platinum plug. Used on L-Head engines. Extended Life series and Professional Series platinum spark plug. Premium quality plug that provides long life, easy starting, increased ignitability and idle stability.
$8.69

BRIGGS & STRATTON Extended Life 5420K Spark Plug, Platinum

Used on select OHV Extended Life Series engines, this OEM part ensures proper fit and performance to maintain the life of your BRIGGS & STRATTON engine. Parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in BRIGGS & STRATTON engines. Not only are BRIGGS & STRATTON genuine parts assured to fit, but using them ensures that the BRIGGS & STRATTON engine they are installed on complies with applicable (EPA) emission regulations.
$11.99

Champion 322-1 Spark Plug, 0.0394 to 0.0433 in Fill Gap, 0.551 in Thread, 0.813 in Hex, Copper

RN9YC & RN11YC4-32: Resistor plug, 14mm, 3/4 in reach, 13/16 in hex head, projected tip, copper core. RJ12YC resistor plug, 14mm, 3/8 in reach, 13/16 in hex head, standard projected core nose, copper core design.
$3.49

Champion 415-1 Spark Plug, 0.029 to 0.035 in Fill Gap, 0.551 in Thread, 0.813 in Hex, Copper

RN9YC & RN11YC4-32: Resistor plug, 14mm, 3/4 in reach, 13/16 in hex head, projected tip, copper core. RJ12YC resistor plug, 14mm, 3/8 in reach, 13/16 in hex head, standard projected core nose, copper core design.
$3.49

Champion 844-1 Spark Plug, 0.027 to 0.033 in Fill Gap, 0.551 in Thread, 0.813 in Hex, Copper

Constructed with a corrosion-resistant zinc-plated shell.
$3.49

Champion 847-1 Spark Plug, 0.022 to 0.028 in Fill Gap, 0.551 in Thread, 5/8 in Hex, Copper

Constructed with a corrosion-resistant zinc-plated shell.
$2.99

Champion 852 Spark Plug, 0.022 to 0.028 in Fill Gap, 0.551 in Thread, 0.748 in Hex, Copper

Durable and dependable. Nickel copper alloy core provides increased conductivity and heat control.
$3.79

Champion 852-1 Spark Plug, 0.022 to 0.028 in Fill Gap, 0.551 in Thread, 0.748 in Hex, Copper, For: Small Engines

Durable and dependable. Copper plus spark plug is built to ISO and SAE standards for ideal performance and longer life. Copper core center electrode allows for accurate control of heat range.
$2.99

Champion 858 Spark Plug, 0.023 to 0.028 in Fill Gap, 0.551 in Thread, 3/4 in Hex, Copper

Fits blowers, chain saws, string trimmers, brush cutters and edgers.
$3.49

Champion 861ECO/5861 Spark Plug, 0.022 to 0.028 in Fill Gap, 0.551 in Thread, 0.819 in Hex

Fine wire center and side electrodes concentrates spark energy for easier starts under all conditions. Booster gap delivers maximum firing voltage. Projected core nose offers peak performance. #5843 is equivalent to #CJ8, CJ7Y, CJ8Y, RCJ8, RCJ7Y, RCJ8Y, J8C and RJ8C. #5846 is equivalent to #CJ14. #5861 is equivalent to #J19LM, RJ19LM, J17LM and RJ17LM.
$4.99

Champion CJ14 Spark Plug, 0.027 to 0.033 in Fill Gap, 0.551 in Thread, 0.748 in Hex, Copper

Constructed with a corrosion-resistant zinc-plated shell.
$2.99

Champion CJ6 Spark Plug, 0.022 to 0.028 in Fill Gap, 0.551 in Thread, 3/4 in Hex, Copper

Constructed with a corrosion-resistant zinc-plated shell.
$2.79

Champion CJ7Y Spark Plug, 0.017 to 0.023 in Fill Gap, 0.551 in Thread, 0.748 in Hex, Copper

Constructed with a corrosion-resistant zinc-plated shell.
$2.99

Champion CJ8 Spark Plug, 0.027 to 0.033 in Fill Gap, 0.551 in Thread, 0.748 in Hex, Copper

Champion Spark Plug, Fill Gap Size: 0.027 to 0.033 in, Electrode: Nickel Copper Alloy, 0.551 in Thread, 0.748 in Hex, Copper, For: 2-Cycle and 4-Cycle Engines
$2.59

Champion CJ8Y Spark Plug, 0.0236 to 0.0276 in Fill Gap, 0.551 in Thread, 3/4 in Hex, Copper

Constructed with a corrosion-resistant zinc-plated shell.
$2.99

Champion D-21 Spark Plug, 0.023 to 0.028 in Fill Gap, 0.709 in Thread, 7/8 in Hex, For: Lawn and Garden

Patented high voltage semi-conductor resistor for maximum EMI suppression. Copper core center electrode reduces engine misfire caused by fouling. Triple seal assembly with upper and lower metal gaskets and sillment seal, eliminates spark plug failure due to heat or mechanically induced stress. Triple-coated shell, Tintac and Ultraseal over zinc plating resist corrosion and spark plug seizure.
$3.49

Champion J17LM Spark Plug, 0.023 to 0.028 in Fill Gap, 0.551 in Thread, 0.813 in Hex, Copper, For: Small Engines

Champion Spark Plug, Fill Gap Size: 0.023 to 0.028 in, Electrode: Nickel Copper Alloy, 0.551 in Thread, 0.813 in Hex, Copper, For: Small Engines
$2.99

Champion J6C Spark Plug, 0.028 to 0.033 in Fill Gap, 0.551 in Thread, 0.813 in Hex, Copper

Constructed with a corrosion-resistant zinc-plated shell.
$3.29

Champion J8C Spark Plug, 0.027 to 0.033 in Fill Gap, 0.551 in Thread, 0.813 in Hex, Copper, For: Small Engines

Champion Spark Plug, Fill Gap Size: 0.027 to 0.033 in, Electrode: Nickel Copper Alloy, 0.551 in Thread, 0.813 in Hex, Copper, For: Small Engines
$2.99

Champion QL77JC4 Spark Plug, 0.028 to 0.033 in Fill Gap, 0.551 in Thread, 0.813 in Hex, Copper

High voltage semi-conductor resistor for maximum EMI suppression. Copper core center electrode reduces engine misfire caused by fouling. Triple seal assembly with upper and lower metal gaskets and sillment seal, eliminates spark plug failure due to heat or mechanically induced stress. Triple coated shell, Tintac and Ultraseal over zinc plating resist corrosion and spark plug seizure.
$3.79

Champion RJ12YC Spark Plug, 0.033 to 0.038 in Fill Gap, 0.551 in Thread, 0.813 in Hex, Copper, For: 4-Cycle Engines

RN9YC & RN11YC4-32: Resistor plug, 14mm, 3/4 in reach, 13/16 in hex head, projected tip, copper core. RJ12YC resistor plug, 14mm, 3/8 in reach, 13/16 in hex head, standard projected core nose, copper core design.
$3.49

Champion RJ19LM Spark Plug, 0.029 to 0.033 in Fill Gap, 0.551 in Thread, 0.813 in Hex, Copper

Constructed with a corrosion-resistant zinc-plated shell.
$2.99

MTD E3.10 Spark Plug, 13/16 in Fill Gap, 0.551 in Thread, 13/16 in Hex

14 mm thread Dia, 3/8 in reach, 13/16 in hex socket. Replaces Champion 5861, J17LM, RJ17LM, J19LM, RJ19LM, NGK B2LM, BR2LM, B4LM, Autolite 458, SE458, 456. Quicker starts, saves on fuel.
$6.99

MTD E3.14 Spark Plug, 13/16 in Fill Gap, 0.551 in Thread, 3/4 in Hex

14 mm thread Dia, 3/8 in reach, 3/4 in hex socket. Quicker starts, Saves on fuel and reduces emissions. Replaces Champion 5846, CJ8Y, CJ14, RCJ18Y. Replaces NGK BM6F, BM7F, BPM6F, BPMR6F. Replaces Autolife 258, 2976, XST258. XST2976.
$6.99

MTD E3.16 Spark Plug, 13/16 in Fill Gap, 0.551 in Thread, 5/8 in Hex

14 mm thread Dia, 0.307 in reach, 5/8 in hex socket. Quicker starts, Saves on fuel. Replaces Champion DJ6J, RDJ6J, DJ7J, RDJ7J, DJ7Y, DJ8J, RDJ8J, 5847, 5851. Replaces NGK VMGF, BMR6F, BPM6F, BPMR6F, BM7F, BMR7F. Replaces Autolite 2554, SE2554, 2956, SE2954, SE2956.
$6.99

MTD E3.18 Spark Plug, 13/16 in Fill Gap, 0.551 in Thread, 13/16 in Hex

14 mm thread Dia, 3/4 in reach, 13/16 in hex socket. Quicker starts, Saves on fuel and reduces emissions. Replaces Champion N4C, N5C, N7YC, RN4C, RN5C, RN7YC. Replaces Autolite 403, 404, 4055, 4056, XST4055. Replaces NGK B4ES, B5EB, B5ES, BEV, B6EB, B6EB11, B6ES, B6ES11, B6EB, B7EB, B7EB11, BP7ES, BP7ES11, BPR7ES, BPR7ES11, BR4ES, BR5EB, BR5ES, BR6EB, BR6EB11, BR6ES, BR6ES11, BR7EB11, BUR7EA11, BUR7EB11.
$6.99

MTD E3.20 Spark Plug, 13/16 in Fill Gap, 0.551 in Thread, 5/8 in Hex

14mm thread Dia, 3/4 in reach, 5/8 in hex socket. Saves on fuel and reduces emissions. Replaces Champion RC12YC, RC14YC. Replaces NGK BCP4ES-11, BKR4E, BKR4E-11, BKR4EIX, BKR5E, BKR5E-11, BKR5EIX, BKR5EK, BKR5ES, BKR5ES-11, BKR5EYA, BKR5EYA-11, BKR6EKB-11, FR4, FR45, FR5. Replaces Autolite 3924, 3926, 5224, AP3924, APP3924, AP5224, APP5224, XP3924, XP5224, XST3924, ZST3926.
$6.99

MTD E3.22 Spark Plug, 13/16 in Fill Gap, 0.551 in Thread, 13/16 in Hex

14 mm thread Dia, 3/4 in reach, 13/16 in hex socket. Saves on fuel and Reduces emissions. Replaces Champion N9YC, N11YC, N12YC. RN9YC, RN11YC, RN12YC. Replaces NGK B6EB11, BP5EA, BP5ES, BP5ES11, BP5EV, BP5EY, BP6ES, BP6EV, BP6EY, BPR5ES, BPR5ES11, BPR5EV, BPR5EY, BPR6ES, BPR6EV, BPR6EY, BPR7EY11, BPR6EBL11, BU8ET, BUR6EA11, BUR6EB11, GR4, GR45. Replaces Autolite 63, 64, 65, 66, 405, 646, 4263, 4265, AP63, AP64, AP66, AP646, APP64, APP646, XP63, XP64, XP646. XST4265.
$6.99

MTD FF-10 Spark Plug, 3/8 in Fill Gap, 0.551 in Thread, 13/16 in Hex

Small engine spark plug provides consistent starts with ideal fouling resistance.
$3.99

MTD FF-11 Spark Plug, 0.551 in Thread, 3/4 in Hex

Small engine spark plug provides consistent starts with ideal fouling resistance.
$4.29

MTD FF-12 Spark Plug, 3/8 in Fill Gap, 0.551 in Thread, 13/16 in Hex

Small engine spark plug provides consistent starts with ideal fouling resistance.
$3.99

MTD FF-13 Spark Plug, 0.551 in Thread, 3/4 in Hex

Small engine spark plug for gas trimmers, blowers etc. For two-cycle equipment. Consistent starts, dependable performance and ideal fouling resistance.
$4.99

MTD FF-14 Spark Plug, 3/8 in Fill Gap, 0.551 in Thread, 13/16 in Hex

Small engine spark plug provides consistent starts with ideal fouling resistance.
$4.59

MTD FF-15 Spark Plug, 3/8 in Fill Gap, 0.551 in Thread, 13/16 in Hex

Small engine spark plug provides consistent starts with ideal fouling resistance.
$4.59

MTD FF-16 Spark Plug, 0.551 in Thread, 5/8 in Hex

Small engine spark plug provides consistent starts with ideal fouling resistance.
$4.59

MTD FF-19 Spark Plug, 0.393 in Thread, For: Handheld Brands, Cub Cadet, Ryobi, Toro, Troy-Bilt

Small engine spark plug for gas trimmers, blowers etc. For two-cycle equipment. Consistent starts, dependable performance and ideal fouling resistance.
$3.79

MTD FF-20 Spark Plug, 3/4 in Fill Gap, 0.551 in Thread, 5/8 in Hex

Small engine spark plug provides consistent starts with ideal fouling resistance.
$4.59
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