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113908-2999-01 Briggs and Stratton Engine - Overview

Diagrams for 113908-2999-01

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Lawn Mower Spark Plug – Part Number: 796112S
$6.40
In Stock
Lawn Mower Spark Plug
★★★★★
★★★★★
(1)
Part #796112S
This is an OEM replacement part and is sold individually. Its propose is to deliver an electric current from an ignition system to the combustion chamber of a gas fueled engine. It will ignite the air fuel mixture by the spark. Spark Plugs will usually have to gapped to the manufactures specifications found in the owners manual. Over time a Spark Plug will become fouled because the air/fuel ratio may be set wrong,worn piston rings, carbon build up and other factors. It is better to replace a fouled spark plug, rather then trying to clean it.
Grommet – Part Number: 692189
$6.40
In Stock
Grommet
★★★★★
★★★★★
(1)
Part #692189
This OEM grommet, also called a 90-degree breather tube, is sold individually. Black in color and made of rubber, this is a 90-degree elbow for the crankcase breather tube of your mower engine. If you notice a reduction in the mower engine performance, and engine backfires, this part is likely to be in need of replacing. It can develop cracks due to fatigue, and our troubleshooting tip is to inspect this part if dark smoke is coming out of the exhaust, it is a telltale sign. This is an easy repair to make, and does not require any tools. The new grommet attaches on the breather tube fromt he crankcase to the carburetor.
Diaphragm-carburetor – Part Number: 270026
No Longer Available
Diaphragm-carburetor
★★★★★
★★★★★
(3)
Part #270026
This is a carburetor diaphragm, which is an OEM part that pumps fuel from the tank to the engine. It is roughly 1x2 inches and black in color. Sold individually, this part can fail due to fatigue and wear, and if it is broken you may notice your engine is running rough or not starting. If your engine exhibits these signs of being starved of fuel, your diaphragm is damaged and needs to be replaced. Our customers found this repair to be of medium difficulty. It requires a wrench, screwdriver, and pliers to complete. You will be able to locate your diaphragm inside the carburetor itself to swap it out with your new one.
Key-flywheel – Part Number: 222698S
$6.40
In Stock
Key-flywheel
★★★★★
★★★★★
(1)
Part #222698S
This is a Genuine OEM replacement part used on a variety of Lawn and Garden equipment. The key helps to secure Flywheel in place. This is a Metal Key and it is Sold Individually. You would need Pliers to replace this item.
Tube-pick Up – Part Number: 391813
No Longer Available
Tube-pick Up
Part #391813
Genuine Manufacturer Approved replacement part used on a variety of Engines. This is a tube pick-up for 3-5HP horizontal and 5HP vertical engines with 2 and 3 quart tanks and a pulsa jet carburetor. This part is made out of Plastic and it is Sold Individually.
Seal-oil – Part Number: 299819S
$7.47
In Stock
Seal-oil
Part #299819S
This OEM Oil Seal is an individually sold rubber part which is attached around the axis shaft on the crankcase housing to provide a proper seal. A broken seal will lead to a leak, and the part should be replaced. Installation is rated as "Medium" difficulty by customers, and will require a screwdriver, wrenchset and seal puller. Refer to your make, model and diagrams to ensure you've chosen the correct part. This model comes in black and grey.
Engine Spark Plug Boot – Part Number: 66538S
$6.40
In Stock
Engine Spark Plug Boot
Part #66538S
This spark plug boot is a genuine OEM Briggs & Stratton replacement designed to fit securely over the spark plug, protecting the connection from moisture, dirt, and debris. Its durable, elbow-style design helps ensure reliable ignition and easy installation, making it an ideal replacement when a cracked, loose, or worn boot causes hard starting, misfires, or inconsistent engine performance.
Switch-rotary – Part Number: 692309
$29.40
In Stock
Switch-rotary
★★★★★
★★★★★
(1)
Part #692309
This on-off switch fits Briggs and Stratton engines. This is a genuine part supplied from original manufacturer. This switch controls the on-off function of the engine. It has a plastic knob with metal terminals and is sold individually. To complete this repair you will need a wrench to remove housing.
Engine Screw – Part Number: 692198
$8.01
In Stock
Engine Screw
Part #692198
This OEM engine screw is a genuine Briggs & Stratton replacement fastener designed for secure, vibration-resistant attachment of engine components in small gasoline engines and outdoor power equipment. Manufactured to exact factory specifications, it provides proper thread engagement and clamping force to help prevent loosening, reduce vibration, and maintain long-term engine reliability under operating stress. Built with durable, corrosion-resistant materials for extended service life, it is an ideal replacement when original screws are missing, stripped, or worn, helping ensure safe assembly, consistent performance, and proper engine operation.
Tube-pick Up – Part Number: 497413S
$9.95
In Stock
Tube-pick Up
Part #497413S
Screw – Part Number: 691640
$8.33
In Stock
Screw
Part #691640
This is a genuine OEM sourced part which is specially designed for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. It is a standard hardware which may have multiple applications, please make sure to refer to the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this high-quality item is made of durable metal and is sold individually.
Cap-spring – Part Number: 690766
$6.40
In Stock
Cap-spring
Part #690766
It is an OEM component which is designed for Briggs and Stratton engines that are commonly installed on a variety of lawn and garden equipment. The cap helps to secure the spring in the pump. Over time it may wear out, get damaged or lost eventually requiring a replacement. To ensure the exact location and the correct application of this hardware, refer to the appropriate diagrams of your specific model. This high-quality cap-spring is made of durable metal and is sold as an individual component. You may need a screwdriver and a wrench set to perform this repair.

Common Symptoms of the 113908-2999-01

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Push mower leaked under neath.
2 of 2 people found this instruction helpful.
  • Raymond from Coalport, PA
  • Easy
  • 15 - 30 mins
  • Pliers, Socket set
Pulled the old seal out, replaced it with seal #391483S and so far looking good !
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