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Briggs & Stratton

Briggs & Stratton Replacement Spark Plug RJ19LMC, 799876

Key item features

  • Peak Performance: Ensures your engine is at peak performance and complies with EPA emissions regulations
  • Compatibility: Suitable for 625e, 675ex, 725ex series, 625-675 series, and Quantum 3.5-6.75 gross HP engines
  • Genuine Part: This lawn mower spark plug is a genuine Briggs & Stratton part and helps increase engine life
  • Maintenance: Replacement engine spark plug for small engine maintenance
  • Annual Replacement: Spark plug should be replaced every year to maintain the health of your outdoor power equipment
  • Symptoms of Wear: Rough idle, struggles to start, misfiring, surging, high fuel consumption, and lack of acceleration indicate a bad spark plug
  • Installation: Requires a spark plug wrench for proper removal and replacement
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Current price is $4.75
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Customer ratings & reviews

4.6 out of 5 stars
stars
114 ratings43 reviews
How item rating is calculated
  1. 5 stars82% (94)
  2. 4 stars8% (9)
  3. 3 stars4% (4)
  4. 2 stars2% (2)
  5. 1 star4% (5)

Reviews summary

Pros

  • : Offers affordable options.
  • : Spark plug matches compatible models precisely.
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Showing 1-3 of 43 reviews

Apr 29, 2025
Suzanne
5 out of 5 stars review

Verified Purchase

Excellent spark plug!

This Briggs %26 Stratton replacement spark plug was correct for the engine size, and the gap was already set so it made this easy to install. The spark plugs are the OEM for Briggs %26 Stratton and should be used.for. optimum performance!

Incentivized Review
Helpful?1EY3XW325IB523565859
Jun 5, 2026
anonymous
Top Reviewer
5 out of 5 stars review

Verified Purchase

not exactly my part number, but is revised, including mine and many more original part numbers.. 🤞

Helpful?1EY3XW325IB523565859
Apr 18, 2026
ZacharyH
Top Reviewer
5 out of 5 stars review

Verified Purchase

works 👍

mower started right up after I replaced it with this bad boy.

Helpful?1EY3XW325IB523565859