Briggs & Stratton
Lawn & Garden Engine

Model # 190402-6151-01 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 190402-6151-01 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 172 parts  |

Elbow Spacer Plug 66538

#635

All parts diagram

Elbow spacer plug

Part #66538

Replaced by #66538S

?
Manufacturer substitution
This part replaces 66538. Substitute parts can look different from the original.
This item is not returnable
$5.11
16% OFF Phone Price : $6.11
In Stock
Terminal Cable 221798

#851

All parts 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 93381

#334

All parts diagram

Screw

Part #93381

Replaced by #691061

?
Manufacturer substitution
This part replaces 93381. 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 Flywheel Puller, Large 19203

#363

All parts diagram

Lawn & garden equipment engine flywheel puller, large

Part #19203

This item is not returnable
$25.45
16% OFF Phone Price : $30.45
In Stock
Switch 396847

#621

All parts diagram

Switch

Part #396847

Replaced by #692310

?
Manufacturer substitution
This part replaces 396847. Substitute parts can look different from the original.
This item is not returnable
$9.89
9% OFF Phone Price : $10.89
In Stock
Screw 94608

#305

All parts diagram

Screw

Part #94608

Replaced by #692198

?
Manufacturer substitution
This part replaces 94608. Substitute parts can look different from the original.
This item is not returnable
$8.59
10% OFF Phone Price : $9.59
In Stock
Hex Nut 92284

#332

All parts diagram

Hex nut

Part #92284

Replaced by #690662

?
Manufacturer substitution
This part replaces 92284. Substitute parts can look different from the original.
This item is not returnable
$8.29
11% OFF Phone Price : $9.29
In Stock
Screw 94565

#13

All parts diagram

Screw

Part #94565

Replaced by #592244

?
Manufacturer substitution
This part replaces 94565. Substitute parts can look different from the original.
This item is not returnable
$6.49
13% OFF Phone Price : $7.49
In Stock
Oil Filter Plug 66768

#21

All parts 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
Woodruff Key 94388

#16A

All parts diagram

Woodruff key

Part #94388

Replaced by #690979

?
Manufacturer substitution
This part replaces 94388. Substitute parts can look different from the original.
This item is not returnable
$5.11
16% OFF Phone Price : $6.11
In Stock

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor…

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor…

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up…

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor…

Repair guides for gas leaf blowers

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

How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow t…

Repair difficulty
Time required
 15 minutes or less
How to replace leaf blower fuel lines

How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself…

Repair difficulty
Time required
 60 minutes or less
How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow …

Repair difficulty
Time required
 60 minutes or less

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

Use the advice and tips in these articles to get the most out of your leaf blower.

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.…