Briggs & Stratton
Lawn & Garden Engine

Model # 40R577-0003-H1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 40R577-0003-H1 engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 177 parts  |

Lawn & Garden Equipment Engine Inline Fuel Filter 691035
Lawn & garden equipment engine inline fuel filter

Part #691035

Replaced by #84001895

?
Manufacturer substitution
This part replaces 691035. Substitute parts can look different from the original.
BEST SELLER
$9.59
9% OFF Phone Price : $10.59
In Stock
Lawn & Garden Equipment Engine Oil Filter (replaces 24603, 492932, 691041, 7045184yp, Bs-492932s) 492932S
Lawn & garden equipment engine oil filter (replaces 24603, 492932, 691041, 7045184yp, bs-492932s)

Part #492932S

BEST SELLER
$14.42
12% OFF Phone Price : $16.42
In Stock
Lawn & Garden Equipment Engine Air Filter 591334
Lawn & garden equipment engine air filter

Part #591334

Replaced by #594201

?
Manufacturer substitution
This part replaces 591334. Substitute parts can look different from the original.
BEST SELLER
$18.84
10% OFF Phone Price : $20.84
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499) 791766
Lawn & garden equipment engine fuel line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499)

Part #791766

BEST SELLER
$9.31
10% OFF Phone Price : $10.31
In Stock
Lawn & Garden Equipment Engine Fuel Pump Assembly 808656
Lawn & garden equipment engine fuel pump assembly

Part #808656

Replaced by #597338

?
Manufacturer substitution
This part replaces 808656. Substitute parts can look different from the original.
BEST SELLER
$32.26
13% OFF Phone Price : $37.26
In Stock
Lawn & Garden Equipment Engine Starter Motor (replaces 392744, 392749, 494325) 497595
Lawn & garden equipment engine starter motor (replaces 392744, 392749, 494325)

Part #497595

BEST SELLER
$114.46
8% OFF Phone Price : $124.46
In Stock
Lawn & Garden Equipment Engine Governor Gear (replaces 698231) 793338
Lawn & garden equipment engine governor gear (replaces 698231)

Part #793338

BEST SELLER
$32.39
13% OFF Phone Price : $37.39
In Stock
Lawn & Garden Equipment Engine Spark Plug 792015
Lawn & garden equipment engine spark plug

Part #792015

BEST SELLER
$11.11
15% OFF Phone Price : $13.11
In Stock
Lawn & Garden Equipment Engine Starter Pinion Gear (replaces 693058, 693059, 75264) 695708
Lawn & garden equipment engine starter pinion gear (replaces 693058, 693059, 75264)

Part #695708

BEST SELLER
$8.20
11% OFF Phone Price : $9.20
In Stock
Lawn & Garden Equipment Engine Flywheel Key (replaces 222698, 690974, Bs-222698s) 222698S
Lawn & garden equipment engine flywheel key (replaces 222698, 690974, bs-222698s)

Part #222698S

BEST SELLER
This item is not returnable
$3.29
23% OFF Phone Price : $4.29
In Stock

Symptoms for band saws

Choose a symptom to see related band saw repairs.

Main causes: damaged rubber tire, worn wheel bearings, loose blade tension, dull saw blade…

Main causes: dull blade, using the wrong type of blade, feeding work piece to quickly, loose blade tension…

Main causes: angle indicator needs adjustment, dull blade…

Main causes: dull blade, improper feeding, loose blade tension, not using a work piece guide…

Main causes: broken saw blade, bad drive belt, damaged rubber tire…

Main causes: dull blade, using the wrong type of blade, weak drive motor…

Main causes: lack of electrical power, broken power cord, bad on/off switch, faulty drive motor…

Repair guides for band saws

These step-by-step repair guides will help you safely fix what’s broken on your band saw.

How to replace a band saw on-off switch

How to replace a band saw on-off switch

If the switch won't turn the band saw on or off, it could be defective. Replace the switch, using these steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a band saw drive belt

How to replace a band saw drive belt

If the motor runs but the blade doesn't move, it could be that the drive belt is broken. Here's how to replace it.…

Repair difficulty
Time required
 15 minutes or less
How to replace a band saw blade

How to replace a band saw blade

If the saw blade is dull or damaged and isn't cutting cleanly, replace the blade following these steps.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your band saw.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…