See part B-38 in the diagram

Nut-Lock, Ni 3296-21

Works with your model 04540!

$5.95

Works with your model 04540!

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This part works with the following brands:

This part works with the following products:

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This part works with the following models:

ERP Number: ERP8953066
Manufacturer Part Number: 3296-21

Brand	Model Number	Description
Toro	03700	Lawn Mower - 03700/Serial: 20001-29999
Toro	03701	Lawn Mower - 03701/Serial: 30001-30699
Toro	03770	Lawn Mower - 03770/Serial: 20001-29999
Toro	04381	Lawn Mower - 04381/Serial: 70001-79999
Toro	04382	Chainsaw - Greensmaster 3200-D
Toro	04530	Lawn Mower - 04530/Serial: 314000001-314004000
Toro	04540	Lawn Mower - 04540/Serial: 311000001-311999999
Toro	30410	Chainsaw - Groundsmaster 4000-D
Toro	30410TE	Chainsaw - Groundsmaster 4000-D Traction Unit
Toro	30411	Chainsaw - Groundsmaster 4100-D
Toro	30411TE	Chainsaw - Groundsmaster 4100-D Traction Unit
Toro	30412	Chainsaw - Groundsmaster 4000-D Traction Unit
Toro	30413	Chainsaw - Groundsmaster 4100-D Traction Unit
Toro	30856	Lawn Mower - 30856/Serial: 230000701-230999999
Toro	30856TE	Chainsaw - Groundsmaster 4500-D Traction Unit
Toro	30868	Chainsaw - Groundsmaster 4700-D
Toro	30868TE	Chainsaw - Groundsmaster 4700-D Traction Unit
Toro	37-06BA04	Lawn Mower - 30-in. Bagger, 100 Series
Toro	38325C	Snow Blower - Snowthrower
Toro	41106	Lawn Mower - 41106/Serial: 230000413-230999999
Toro	41107	Lawn Mower - 41107/Serial: 230000308-230999999
Toro	41163	Chainsaw - Multi-Pro 1250 Turf Sprayer
Toro	41164	Chainsaw - Multi-Pro 1200 Turf Sprayer