Briggs & Stratton
Lawn & Garden Engine

Model # 90100-90199 (0120) Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 90100-90199-0120 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 145 parts  |

Oil Filter Plug 66768
#21

90100 to 90199 diagram

Oil filter plug

Part #66768

Replaced by #281658S

?
Manufacturer substitution
This part replaces 66768. Substitute parts can look different from the original.
This item is not returnable
$5.79
15% OFF Phone Price : $6.79
In Stock
Terminal Cable 221798
#851

90100 to 90199 diagram

Terminal cable

Part #221798

Replaced by #493880S

?
Manufacturer substitution
This part replaces 221798. Substitute parts can look different from the original.
This item is not returnable
$4.75
17% OFF Phone Price : $5.75
In Stock
Screw 94731
#334

90100 to 90199 diagram

Screw

Part #94731

Replaced by #691061

?
Manufacturer substitution
This part replaces 94731. Substitute parts can look different from the original.
This item is not returnable
$5.09
16% OFF Phone Price : $6.09
In Stock
Armature 398593
#333

90100 to 90199 diagram

Armature

Part #398593

Replaced by #591420

?
Manufacturer substitution
This part replaces 398593. Substitute parts can look different from the original.
$67.99
8% OFF Phone Price : $73.99
In Stock
Screw 93705
#346

90100 to 90199 diagram

Screw

Part #93705

Replaced by #690661

?
Manufacturer substitution
This part replaces 93705. Substitute parts can look different from the original.
This item is not returnable
$5.09
16% OFF Phone Price : $6.09
In Stock
Lawn & Garden Equipment Engine Stop Wire 398808
#356

90100 to 90199 diagram

Lawn & garden equipment engine stop wire

Part #398808

This item is not returnable
$19.69
9% OFF Phone Price : $21.69
In Stock
Governor Spring 260041
#209

90100 to 90199 diagram

Governor spring

Part #260041

Replaced by #692205

?
Manufacturer substitution
This part replaces 260041. Substitute parts can look different from the original.
In Stock
Filter Element 27987
#535A

90100 to 90199 diagram

Filter element

Part #27987

Replaced by #27987S

?
Manufacturer substitution
This part replaces 27987. Substitute parts can look different from the original.
This item is not returnable
$12.69
14% OFF Phone Price : $14.69
In Stock
Plug 94387
#15

90100 to 90199 diagram

Plug

Part #94387

Replaced by #691686

?
Manufacturer substitution
This part replaces 94387. Substitute parts can look different from the original.
This item is not returnable
$7.59
12% OFF Phone Price : $8.59
In Stock
Rewind Ratchet 298799
#70

90100 to 90199 diagram

Rewind ratchet

Part #298799

Replaced by #691945

?
Manufacturer substitution
This part replaces 298799. Substitute parts can look different from the original.
In Stock

Symptoms for electric ranges

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Repair guides for electric ranges

How to replace a range radiant surface element

How to replace a range radiant surface element

If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute…

Repair difficulty
Time required
 45 minutes or less
How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a…

Repair difficulty
Time required
 15 minutes or less
How to replace a range coil surface element

How to replace a range coil surface element

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Repair difficulty
Time required
 15 minutes or less

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

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.…