K6TC Spark Plugs 4-Pack Replaces RC12YC and Briggs 491055S

★★★★★ 4.6 61 reviews

US$2.91
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US$2.91
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Free shipping Free 30-day returns

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Management number 250122910 Release Date 2026/09/17 List Price US$2.91 Model Number 250122910
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  • ✅ 4-PACK K6TC SPARK PLUG SET – Includes four K6TC spark plugs manufactured as aftermarket replacements for RC12YC applications, providing a convenient maintenance supply for compatible outdoor power equipment.
  • ✅ REPLACES COMMON PART NUMBERS – Cross-references Champion RC12YC, Briggs & Stratton 491055S, 491055T and 491055, plus Kohler 12 132 02-S and 12 132 02.
  • ✅ ADDITIONAL BRIGGS REFERENCES – Also replaces old Briggs part numbers 805015, 594056, 72347GS and 72347. May replace 692051 in select applications; verify the engine parts manual before ordering.
  • ✅ RC12YC-STYLE DIMENSIONS – Features an M14 x 1.25 thread, approximately 19 mm or 3/4-inch thread reach, 16 mm or 5/8-inch hex and a flat gasket-style seat. Compare with the original plug before installation.
  • ✅ CHECK THE GAP BEFORE USE – Many Briggs 491055S and RC12YC applications specify a .030-inch electrode gap. Always inspect and adjust each plug according to the engine manufacturer’s manual.

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