[Lifetime Warranty] [Upgraded Grip120] M154621 Mower Belt for 42 Inch Deck J-Deere X300 X304 X310 Lawn Tractors & 48" Deck EZtrak Series Z245 Zero-Turn Mower | 1/2'' x 146.24''
M154621 Mower Belt (1/2'' x 146.24'')
Key Features
- Type: Deck Drive V-Belt
- Dimensions (W x L): 1/2 in x 146.24 in (12.7 mm x 3714.6 mm)
- Material: Aramid cord construction for high tensile strength and resistance to stretching
- Design: High-traction surface for reliable power transmission to mower blades
- Construction: Oil and heat-resistant synthetic rubber compound for extended service life
Replaces / Cross-Reference Part Numbers
- M154621
- M174506
Compatibility & Fitment
- John Deere Lawn Tractors with 42-inch Decks:
- X300
- X304
- X310
- John Deere Zero-Turn Mowers with 48-inch Decks:
- EZtrak Series Z245
When to Replace
- Visible signs of wear such as cracking, fraying, glazing, or deep abrasions
- Audible squealing or slipping during deck engagement or operation
- Noticeable decrease in blade speed or cutting performance
- Belt appears loose, stretched, or fails to maintain proper tension
Installation Tips
- Before installation, disconnect the spark plug wire and set the parking brake for safety.
- Consult the owner's manual for the specific belt routing diagram for your model.
- Inspect all pulleys and tensioners for wear, damage, or debris before installing the new belt.
- Ensure the belt is correctly seated in each pulley groove and that proper tension is applied.
Product Information
Product Information
Shipping & Returns
Shipping & Returns









[Lifetime Warranty] [Upgraded Grip120] M154621 Mower Belt for 42 Inch Deck J-Deere X300 X304 X310 Lawn Tractors & 48" Deck EZtrak Series Z245 Zero-Turn Mower | 1/2'' x 146.24''
[Lifetime Warranty] [Upgraded Grip120] M154621 Mower Belt for 42 Inch Deck J-Deere X300 X304 X310 Lawn Tractors & 48" Deck EZtrak Series Z245 Zero-Turn Mower | 1/2'' x 146.24''
M154621 Mower Belt (1/2'' x 146.24'')
Key Features
- Type: Deck Drive V-Belt
- Dimensions (W x L): 1/2 in x 146.24 in (12.7 mm x 3714.6 mm)
- Material: Aramid cord construction for high tensile strength and resistance to stretching
- Design: High-traction surface for reliable power transmission to mower blades
- Construction: Oil and heat-resistant synthetic rubber compound for extended service life
Replaces / Cross-Reference Part Numbers
- M154621
- M174506
Compatibility & Fitment
- John Deere Lawn Tractors with 42-inch Decks:
- X300
- X304
- X310
- John Deere Zero-Turn Mowers with 48-inch Decks:
- EZtrak Series Z245
When to Replace
- Visible signs of wear such as cracking, fraying, glazing, or deep abrasions
- Audible squealing or slipping during deck engagement or operation
- Noticeable decrease in blade speed or cutting performance
- Belt appears loose, stretched, or fails to maintain proper tension
Installation Tips
- Before installation, disconnect the spark plug wire and set the parking brake for safety.
- Consult the owner's manual for the specific belt routing diagram for your model.
- Inspect all pulleys and tensioners for wear, damage, or debris before installing the new belt.
- Ensure the belt is correctly seated in each pulley groove and that proper tension is applied.
Original: $40.37
-65%$40.37
$14.13Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
M154621 Mower Belt (1/2'' x 146.24'')
Key Features
- Type: Deck Drive V-Belt
- Dimensions (W x L): 1/2 in x 146.24 in (12.7 mm x 3714.6 mm)
- Material: Aramid cord construction for high tensile strength and resistance to stretching
- Design: High-traction surface for reliable power transmission to mower blades
- Construction: Oil and heat-resistant synthetic rubber compound for extended service life
Replaces / Cross-Reference Part Numbers
- M154621
- M174506
Compatibility & Fitment
- John Deere Lawn Tractors with 42-inch Decks:
- X300
- X304
- X310
- John Deere Zero-Turn Mowers with 48-inch Decks:
- EZtrak Series Z245
When to Replace
- Visible signs of wear such as cracking, fraying, glazing, or deep abrasions
- Audible squealing or slipping during deck engagement or operation
- Noticeable decrease in blade speed or cutting performance
- Belt appears loose, stretched, or fails to maintain proper tension
Installation Tips
- Before installation, disconnect the spark plug wire and set the parking brake for safety.
- Consult the owner's manual for the specific belt routing diagram for your model.
- Inspect all pulleys and tensioners for wear, damage, or debris before installing the new belt.
- Ensure the belt is correctly seated in each pulley groove and that proper tension is applied.
























