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49E877-0036-Z1 Briggs and Stratton Engine - Overview

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Aluminum Push Rod – Part Number: 690982
No Longer Available
Aluminum Push Rod
Part #690982
This is a replacement push rod for your lawn tractor engine. It is made of aluminum and is the push rod used for the exhaust valve. Occasionally, the push rod in your engine can become damaged, and will need to be replaced before your engine runs at full capacity. This push rod is approximately 6 inches in length, and is an OEM part sourced directly from the manufacturer.
Gasket-rocker Cover – Part Number: 690971
$9.42
In Stock
Gasket-rocker Cover
★★★★★
★★★★★
(1)
Part #690971
Authentic Manufacturer Sourced replacement part used on a variety of Engines. This rocker cover gasket is for the cylinder head. It is sold Individually. It provides a strong seal to protect from leaks. Over time gaskets tend to deteriorate and would need to be replaced.
Plug-spark – Part Number: 491055S
$6.40
On Order
Plug-spark
★★★★★
★★★★★
(2)
Part #491055S
This spark plug is designed to provide reliable ignition and efficient fuel combustion in small engine applications. Built for consistent performance and durability, it helps maintain smooth operation, steady power output, and easier starting. Ideal for routine maintenance or replacement, it supports dependable engine performance in lawn and garden equipment, generators, and similar outdoor power machines.
Engine Oil Filter – Part Number: 696854
$17.25
In Stock
Engine Oil Filter
Part #696854
This genuine OEM oil filter helps to remove harmful contaminants from engine oil. It is designed for a variety of Engines. It is sold Individually. This part maintains optimum performance of your engine in accordance with applicable EPA emissions regulations. It is recommended to replace an Oil Filter at least once a season.
Filter-oil – Part Number: 492932S
$15.13
In Stock
Filter-oil
Part #492932S
This short-style engine oil filter is designed to remove harmful contaminants from the oil while maintaining proper lubrication in pressure-lubricated small engines. Built with high-efficiency filtration media and internal safety features to support consistent oil flow, it helps reduce engine wear and protect internal components. Ideal for routine maintenance, it supports reliable performance and helps extend engine life during regular operation.
Gasket-exhaust – Part Number: 690970
$6.40
In Stock
Gasket-exhaust
Part #690970
This is a genuine OEM sourced replacement exhaust gasket. It is specially made for use with Briggs and Stratton engines commonly used on Toro lawn and garden equipment. Its purpose is to provide an air-tight seal between the carburetor and the exhaust tube. Over time this gasket will deteriorate requiring replacement. Please note, this composite gasket is sold individually. To replace this part you will need a wrench.
Gear-governor – Part Number: 793338
$40.69
Special Order
Gear-governor
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★★★★★
(1)
Part #793338
This gear-governor is a special component that helps to engage the drive shaft. It is a genuine Briggs and Stratton item that is supplied by the original manufacturer for use with small engines that are commonly installed on a variety of lawn and garden equipment. It provides an identical replacement for a damaged or a missing hardware that was installed on a new unit. Check the diagrams for your model for the exact location and the correct installation of this part. One durable metal gear-governor is included. You may need a screwdriver and a wrench set to perform this repair.
Screw – Part Number: 691108
$6.40
In Stock
Screw
Part #691108
This is an authentic OEM sourced replacement part that is intended to be used with lawnmower engines and outboard motors from Briggs & Stratton and Toro. The metal screw is used to secure the rocker cover to the cylinder head assembly. This item is available as an individual replacement part.
Hose-vacuum – Part Number: 791766
$10.60
In Stock
Hose-vacuum
Part #791766
This genuine part is sourced directly from the original equipment manufacturer. It is specially designed for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. The purpose of this hose is to transfer vacuum from the engine. Unfortunately, over time the material may wear out and begin to crack eventually requiring a replacement. Make sure to check the diagrams of your model for the exact location and the correct installation of this part. Note, this item includes one durable rubber hose and two metal clamps to secure it.
Seal-valve – Part Number: 690968
$15.97
Special Order
Seal-valve
Part #690968
This is a genuine OEM part. The Briggs & Stratton valve seal is used on many lawn tractor machines. The metal part stops oil from moving into the cylinder from the valve stem. This item is often fastened to the intake valve and the valve keeper. A screwdriver, socket set and wrench set are required for the installation. The metal valve seal is sold individually.
Filter-oil – Part Number: 842921
$17.88
In Stock
Filter-oil
Part #842921
This replacement oil filter is a genuine OEM sourced item commonly utilized on Briggs and Stratton engines that are commonly installed on lawn and garden equipment. This filter helps to remove harmful contaminants from engine oil that is needed for operation. This part is manufactured in accordance with applicable EPA emissions regulations to maintain optimum engine performance. It is recommended to replace it at least once a season. Please note this oil filter is sold individually requiring a wrench to secure or remove it.
Filter-air Cleaner Ca – Part Number: 792105
$30.66
In Stock
Filter-air Cleaner Ca
Part #792105
This is an OEM approved replacement cartridge commonly used on Briggs and Stratton engines. It is designed to filter out dust and dirt from entering engine. Includes one (1) pleated paper filter and one (1) foam pre-filter per order. Replacing this air filter element is easy and would only require a screwdriver. • Remove filter cover by taking out screws • Replace old filter with a new one • Reassemble in reverse order

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ENG,49E877Z,CP0001 – Part Number: 49E877-0036-Z1
$2837.84
Special Order
ENG,49E877Z,CP0001
This part number matches the current model number 49E877-0036-Z1
Part #49E877-0036-Z1

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Bad governor
12 of 24 people found this instruction helpful.
  • John from BROOKVILLE, IN
  • Easy
  • 1- 2 hours
  • Nutdriver, Pliers, Socket set, Wrench set
Look on YouTube for video's on how to replace a Briggs governor. There are several there. My favorite, with best explanation, is, "Easily Replace Briggs Governor Gear (V-Twin Intek Engine) with Taryl". https://www.youtube.com/watch?v=wn3eanGxSEA&t=152s.

Taryl (probably not his real name) does a very good job of showing step-by- step the whole procedure, along with some additional hints/tricks/techniques of value.

Not including oil and filter, I spent less than $50 for a new governor, gasket, and drive shaft seal. That's all that is really necessary to replace is those three parts. That is, unless pieces of the old governor tore up a gear, valve, or something else. Inspect everything! {I was lucky and only the governor was destroyed}

One word of note. Be sure to clean out all of the debris from the blown governor. Be sure to remove the spark plugs and carefully rotate the drive shaft while looking for nooks-and-crannies where debris can hide. I tried to use a magnet to help, but it didn't help much, even though the block is aluminum.

Good luck.
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