Lauson
Lawn & Garden Engine

Model # SBV-18 Official Lauson gas engine short block

Here are the diagrams and repair parts for Official Lauson SBV-18 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  |

Plug 27625
#74

Unit parts diagram

Plug

Part #27625

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

Valve Spring 27881
#8

Unit parts diagram

Valve spring

Part #27881

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

Pin 20810
#10

Unit parts diagram

Pin

Part #20810

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

Retain Ring 27888
#16

Unit parts diagram

Retain ring

Part #27888

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

Bolt 21718
#18

Unit parts diagram

Bolt

Part #21718

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

Washer 26073
Washer

Part #26073

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

Intake Valve 27877
#5

Unit parts diagram

Intake valve

Part #27877

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

Symptoms for gas ranges

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

Repair difficulty
Time required
 30 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 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.…