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Briggs & Stratton

Briggs and Stratton Vertical Engine 19 HP 540cc 1" x 3-5/32" #33S877-0043

  • Based on 101 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Small Engine Warehouse
Arrives Thursday, Jul 30
Order within 5 hours and 13 minutes
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Features

  • Cast iron cylinder sleeve and dual element air filter for extended engine life
  • Patented linear balancing system provides smoother performance
  • 9 amp/electric start only. Includes muffler.
  • 1" x 3-5/32" shaft, tapped 7/16" with 1/4" keyway
  • Common riding mower replacement engine

Description

Mounting holes are not threaded. Use your existing bolts from your old engine, as the manufacturers use self-threading bolts upon installation. This genuine 540cc Briggs & Stratton single cylinder engine offers dependable power for your equipment needs. With a power rating of 19 horsepower, this engine features a premium Dual Clean air filtration system, electric starter, and maintenance-free Magnetron electronic ignition. With a manufacturer limited warranty of 2 years consumer use / 1 year commercial use, Briggs & Stratton provides power that you can trust. This engine includes a Dura-Bore cast iron cylinder sleeve for extended life. This engine includes an installed muffler. This engine includes a 9 amp charging system.

Brand: Briggs & Stratton


Power Source: Gas Powered


Material: Cast Iron


Color: Black


Style: Automotive


Item Weight: 56.9 Pounds


Cutting Width: 1 Inches


Operation Mode: Automatic


Product Dimensions: 5"D x 1"W x 3"H


Number of Items: 1


Brand Name: Briggs & Stratton


Model Number: 33S877-0043


Required Assembly: No


UPC: 746507458882


Manufacturer: Briggs & Stratton


Manufacturer Part Number: 33S877-0043


Unit Count: 1.0 Count


Item Type Name: 33S877-0043


Material Type: Cast Iron


Item Weight: 56.9 Pounds


Cutting width: 1 Inches


Item Dimensions D x W x H: 5"D x 1"W x 3"H


Wheel Size: 8 Inches


Power Source: Gas Powered


Operation Mode: Automatic


Smart Home Compatibility: Not Smart Home Compatible


Maximum Adjustable Cutting Height: 7.62 Centimeters


Minimum Adjustable Cutting Height: 1 Centimeters


Number of Positions: 6


Color: Black


Style Name: Automotive


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jul 30

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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Top Amazon Reviews

    • worked well
installed in about 3 hours pretty much plug and play, old pully on main shaft was correct fit, you will need to tap engine mounting bolts , 3/8 NC thread started right up and no problems john deere la 105 mower
Reviewed in the United States on April 18, 2026 by joe bailey
    • Very happy
The item was as described, well packaged, perfect fit for my John Deere LA125, works great. Very happy.
Reviewed in the United States on May 26, 2026 by joe
    • Lawn mower engine
Great running motor,easy install.
Reviewed in the United States on April 28, 2026 by D3406pak
    • Good engine
Engine came in new condition and was delivered very quickly. I put this engine on a walk behind mower that was not setup for electric start. I got everything wired and hit the start button and it started right up. It has plenty of power for my 4 ft walk behind mower. The engine that was replaced was a Kawasaki FB460V which was 12.5 horsepower. Besides the wiring it was a direct replacement. Bolt holes line up and the throttle cable is almost in the exact spot. Very pleased with this engine, gave my old mower a new feel. ... show more
Reviewed in the United States on August 7, 2025 by Jesse Rocheleau
    • Straight Forward Swap even for a 73 year old
I have been using this motor for several months with no issues. The swap was straight forward but, since I used all hand tools it took a little muscle power. Everything hooked up easily to my Craftman YTS3000 mower. I did need to modify the hood to accommodate the side muffler. Sine I am 73 years old and was successful in swapping engines out, I feel this can be performed by anyone with a little mechanical knowledge. I did not like that it did not come with the proper manual. ... show more
Reviewed in the United States on August 13, 2025 by D. Cannon
    • Totally happy -- so far.
Good deal for the money. Easy to install. Direct replacment for Kohler Courage. I've got about 10 hours on it, starts every time, runs good. Will it last? Ask me in 2 years.
Reviewed in the United States on May 24, 2025 by Charles Underwood
    • the need to tap for bolts. or shopping for some .
item was delivered 2 days early so was nice. All 4 mounting holes are not threaded so you will need to tap them or buy bolts and nuts to install. I used old bolts after tapping at 3/8 .Engine install was very straight forward making it a simple swap, engine has a preinstalled muffler which i left but i can still decide at some time to use factory one still in good shape. once all connections were done oiled it gassed it she started right up . bad engine was 21hp, but this one has plenty of power to run and get the job done. P.S no manual or instructions ... show more
Reviewed in the United States on October 27, 2025 by cesar aviles
    • size needed
Works good....fairly easy to install
Reviewed in the United States on May 4, 2026 by Robert L.

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