8 hp briggs and stratton horizontal shaft engine parts diagram

This series of engines are usually to be found on ride on lawnmowers but can also be found on industrial walk behind
mowers, rotorvators and other equipment.

They have side valve (L-Head) configuration with the spark plug near the centre of the cylinder head.
The head is flat with vertical cooling fins and often has a flat, pressed steel cover plate over most of the fins
with a hole for spark plug access

The carburettor and air filter are fitted to the L/H side of the engine (viewed from behind) with the exhaust emerging from below the carburettor manifold.
There are electric start and pull start versions. Some of these engines have both.

They may have an integral fuel tank fitted to the R/H side of the engine but often the tank is provided by the mower manufacturer and is seperate from the engine.

The Model, Type and Code numbers are stamped into the pressed steel cowling just above the spark plug location
and are typically 170702, 170707, 171702, 190702, 190707, 196707 etc.
Engines whos model begins with 17 are 7HP, those begining 19 are 8HP.

Parts Lookup and Special Orders

If the parts you need are not within our parts catalogue pages, here's how to look up and order what you need. Step 1 - Click here..... to open a form which sends your part enquiry to us. Step 2 - Click here..... to download the parts illustration for your engine.. What will happen next? We will reply to you by e-mail to confirm the price, p&p and anticipated delivery on your parts. We will also add your parts to the catalogue on the <CUSTOMER SPECIAL ORDER SECTION> page. (They will stay on the site for approximately 2 weeks). This will normally be done by the end of the next working day. To make your purchase just go to the <CUSTOMER SPECIAL ORDER SECTION>, add them to cart and checkout. Other items from the site can also be bought at the same time.

Find the operator's manual or illustrated parts list for your Briggs & Stratton engine or product by following the instructions below.

Looking for a part number? Use the Parts Lookup tool to find your part number, availability & pricing, and order online.

1. Locate your model number. Refer to the examples below to confirm & input the correct model number format.

Need help identifying your model number? Use our Locate Model Number pages, or download the engine numbering system fact sheet.

Engine:
0XXXXX-XXXX (5-digit model)*
XXXXXX-XXXX (6-digit model & type)
XXXXXX-XXXX-XX (6-digit model, type & code)

*5-digit model numbers will have a leading zero.

Product:
XXXXXX-XX (All products)
0XXXX-X (Marine)**

**Marine products use a shorter model sequence.

Dashes are required after first 6 digits when entering model number.

2. Follow the 3-step process below. Follow the prompts below to retrieve your engine or product manual and parts list.

Enter your product's Model-Revision numbers. It will be in the format XXXXXX-XX. If you only have a 5 digit number, add a 0 (zero) before the 5 digits.

Enter your engine’s Model-Type number. It will be in the format XXXXXX-XXXX. A dash in between the 6-character and 4-digit numbers is required. If your model number is only 5 digits long, please enter a 0 + the 5 digits & type number.

In need of more in-depth or technical service on your Briggs & Stratton engine or product? Find a Briggs & Stratton dealer in your area to learn more.

This interactive page will allow you to find the exact replacement part you need, using official parts diagrams from the manufacturer. Even better, once you find your part, you can easily add it to your cart and check out – getting you up and running even faster. To begin, please click the brand of your engine or equipment. From there, you will be able to choose your model number and find the correct part.

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