Lauson
Lawn & Garden Engine

Model # SBV-51 Official Lauson gas engine short block

Here are the diagrams and repair parts for Official Lauson SBV-51 gas engine short block, 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 58 parts  |

Breather Element Air Filter 28424
#55

Unit parts diagram

Breather element air filter

Part #28424

The manufacturer no longer makes this part, and there's no substitute part

Plug 27625
#74

Unit parts diagram

Plug

Part #27625

The manufacturer no longer makes this part, and there's no substitute part

/brether Asy 28423
#54

Unit parts diagram

/brether asy

Part #28423

The manufacturer no longer makes this part, and there's no substitute part

Groove Pin 29783
#12

Unit parts diagram

Groove pin

Part #29783

The manufacturer no longer makes this part, and there's no substitute part

Gear 27884
#13

Unit parts diagram

Gear

Part #27884

The manufacturer no longer makes this part, and there's no substitute part

Tube 27627
#57

Unit parts diagram

Tube

Part #27627

The manufacturer no longer makes this part, and there's no substitute part

Intake Valve 27877
#5

Unit parts diagram

Intake valve

Part #27877

The manufacturer no longer makes this part, and there's no substitute part

Ex Valve 27878
#6

Unit parts diagram

Ex valve

Part #27878

The manufacturer no longer makes this part, and there's no substitute part

Pipe Plug 27642
#37

Unit parts diagram

Pipe plug

Part #27642

The manufacturer no longer makes this part, and there's no substitute part

Lifter 27893
#21

Unit parts diagram

Lifter

Part #27893

The manufacturer no longer makes this part, and there's no substitute part

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.…