Manufacturer | Briggs & Stratton |
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Place of Business | Milton, ON L9T 5E9, CA |
Item model number | 796112S |
Product Dimensions | 2.54 x 10.8 x 13.34 cm; 45.36 g |
ASIN | B005F6RXTA |
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Briggs & Stratton 796112S Replaces RJ19LM Spark Plug
Purchase options and add-ons
Brand | Briggs & Stratton |
Core material | Copper |
Thread size | 14mm |
Top material type | Metal |
Vehicle service type | Lawn Mower |
About this item
- New OEM Part
- Power source type: Gas Powered
- Spark Plug Used On Most L-Head Briggs & Stratton Engines
- Replaces Old Briggs # 4220, 802592S & 796112
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Product description
Genuine briggs & stratton replacement part for small gasoline engines. This oem part ensures proper fit and performance to maintain the life of your briggs & stratton engine. There are no substitutes when it comes to keeping engine powered equipment healthy, to maximize engine life, meet original equipment specs. Always use genuine parts from briggs & stratton.
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Technical Details
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Product details
- Is discontinued by manufacturer : No
- Product Dimensions : 2.54 x 10.8 x 13.34 cm; 45.36 g
- Date First Available : Nov. 20 2011
- Manufacturer : Briggs & Stratton
- Place of Business : Milton, ON L9T 5E9, CA
- ASIN : B005F6RXTA
- Item model number : 796112S
- 鶹 Rank: #13,359 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
- #7 in Lawn Mower Spark Plugs
- Customer Reviews:
From the manufacturer



Innovation Inspired By You
Our focus is simple. To make powerful, dependable and easy-to-use engines that make work easier for you.
Briggs & Stratton Genuine Spark Plugs
Why choose a genuine OEM spark plug?
Briggs & Stratton genuine parts are specially designed to exact Original Equipment Manufacturer (OEM) standards. 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 and helps maintain valuable warranty coverage.
- Changing your spark plug will improve starting making it easier and more consistent. It will also improve fuel economy.
- Use a spark plug gauge to measure the gap between the two electrodes at the tip of your spark plug and check specs for your model
- Before doing any small engine repair or maintenance, be sure to check your manual for recommendations on specific parts numbers and safety precautions.
How to change a spark plug on a Lawnmower
Removing a Spark Plug
Twist and pull the spark plug wire cap to remove. Once removed use a spark plug wrench and socket and turn counter-clockwise to unscrew the spark plug and remove it from the engine.
Inspect
Inspect the area around the spark plug to ensure there is no debris or carbon build up and then using a spark plug gauge, measure the gap to make ensure proper spacing (check specifications for your model).
Replacing the Spark Plug
Once you’ve determined you have the spark plug for your machine, insert it into the spark plug chamber and gently tighten with a spark plug wrench or socket. Then securely attach the cap and wire to the new spark plug.

General Lawnmower and Small Engine Maintenance
Are you changing your oil, replacing your air filter and adding fuel stabilizer to your outdoor power equipment as frequently as you should be? General engine maintenance will help your engine last longer and run better. Using genuine parts on your Briggs & Stratton engine will make sure it fits right and runs the way it’s supposed to.
Top Brand: Briggs & Stratton
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Customer reviews
Customers say
Customers like the functionality, quality, and fit of the spark plug. They mention it works well, is a good replacement, and comes pre-gapped with the right gap. Customers also say it's a good substituting generic spark plug.
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Customers are satisfied with the functionality of the spark plug. They mention it works well, is running like new, and is a proper item for their Briggs & Stratton engines.
"came on time. Works great!" Read more
"...Worked great right out of the plastic bag they sent it in. No gapping required." Read more
"Works as it should no problem of the spark" Read more
"Bought this for my lawn mower to replace the old one, and it works like new now. Good price is definitely worth the value." Read more
Customers are satisfied with the quality of the spark plug. They mention it works well and is a good part.
"Satisfactory. Works." Read more
"very good so I can resume cutting the grass" Read more
"Quality spark plug" Read more
"Good value. So far, so good..." Read more
Customers like the fit of the spark plug. They mention it seems to be the right fit, easy to use, and good value.
"Perfect fit, as expected from OEM parts." Read more
"Seem to be right fit. Never tried them yet. Waiting on coil go arrive." Read more
"Ease of use and fit." Read more
"Works and fits perfectly" Read more
Customers are satisfied with the spark plug. They mention it's a perfect replacement, good for Briggs and Stratton lawn mower, and a good substituting generic spark plug.
"Perfect replacement! My 20 year old lawn mower (craftsman 6.75 Briggs and Stratton) is running like new!" Read more
"Great replacement..." Read more
"Good replacement..." Read more
"Hands down best plugs i have used in all my machines. Don't put junk plugs in. Put these in, and you know it will fire right up. Always happy." Read more
Customers like that the spark plug comes pre-gapped with the right gap. They mention it's gapped for their engine size.
"...than expected, fit perfectly, and impressed that it was gapped for my engine size." Read more
"...Worked great right out of the plastic bag they sent it in. No gapping required." Read more
"...Comes pre gapped with the right gap." Read more
"Installed the new plug no gapping required and one pull later we are cutting grass." Read more
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Top reviews from Canada
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- Reviewed in Canada on November 10, 2023Verified PurchaseBought this for my lawn mower to replace the old one, and it works like new now. Good price is definitely worth the value.
- Reviewed in Canada on December 29, 2024Verified PurchaseThe spark plug works as it should. Just doing routine maintenance.
- Reviewed in Canada on August 4, 2024Verified PurchaseSatisfactory. Works.
- Reviewed in Canada on December 26, 2024Verified PurchaseWorks good
- Reviewed in Canada on August 19, 2023Verified PurchaseArrived earlier than expected, fit perfectly, and impressed that it was gapped for my engine size.
- Reviewed in Canada on November 29, 2023Verified PurchaseOrderd this spark plug for my 20 year old lawn mover. Did a oil change ,newfilter , cleaned carbon from exhaust hole added new muffler.
Put the spark plug in it fired up perfect
- Reviewed in Canada on December 17, 2023Verified PurchaseBought it to replace the one on my snow blower, works fine
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Reviewed in Canada on July 30, 2024Verified PurchasePièce d'origine pour tondeuse
Top reviews from other countries
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Michael JakobshagenReviewed in Germany on August 30, 2020
5.0 out of 5 stars Alles Super!
Verified PurchaseAlles Super!
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Gemelli 76Reviewed in Italy on July 22, 2025
5.0 out of 5 stars Candela accensione
Verified PurchaseCompatibile per rasaerba
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