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Tecumseh
Lawn & Garden Engine

Model # HS40-55390E Official Tecumseh 4-cycle engine

Here are the diagrams and repair parts for Official Tecumseh HS40-55390E 4-cycle engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 170 parts  |
Needl/seat 631021
#12

Carburetor no. 631667 diagram

Needl/seat

Part #631021

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

O-ring 631028
#25

Carburetor no. 631667 diagram

O-ring

Part #631028

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

/carb Float 631023
#14

Carburetor no. 631667 diagram

/carb float

Part #631023

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

Float Bowl 631867
#16

Carburetor no. 631667 diagram

Float bowl

Part #631867

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

Plug 631027
#11

Carburetor no. 631667 diagram

Plug

Part #631027

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

Screw 30564
#28

Basic engine diagram

Screw

Part #30564

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

Clip 631022
#13

Carburetor no. 631667 diagram

Clip

Part #631022

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

Screw 28820
#94

Basic engine diagram

Screw

Part #28820

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

Conn Rd Assy 32875
#17

Basic engine diagram

Conn rd assy

Part #32875

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

Ring 20381
#16

Basic engine diagram

Ring

Part #20381

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

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