HomeStore

[Lifetime Warranty] M154621 Mower Belt - Compatible with 42" Deck John Deere X300 X304 X310 Lawn Tractors & 48" Deck EZtrak Series Z245 Zero-Turn Mower | 1/2" x 146 1/4"

Product image 1
Product image 2
Product image 3
Product image 4
Product image 5
Product image 6
Product image 7
Product image 8
Product image 9

[Lifetime Warranty] M154621 Mower Belt - Compatible with 42" Deck John Deere X300 X304 X310 Lawn Tractors & 48" Deck EZtrak Series Z245 Zero-Turn Mower | 1/2" x 146 1/4"

[Lifetime Warranty] M154621 Mower Belt - Compatible with 42" Deck John Deere X300 X304 X310 Lawn Tractors & 48" Deck EZtrak Series Z245 Zero-Turn Mower | 1/2" x 146 1/4"

M154621 Mower Belt | 1/2'' x 146 1/4''

Key Features

  • Type: Mower Deck V-Belt
  • Width: 1/2 inch
  • Length: 146 1/4 inches
  • Material: Aramid fiber cord construction for high tensile strength and longevity.
  • Design: Wrapped exterior provides smooth engagement and resistance to heat, oil, and cracking.

Replaces / Cross-Reference Part Numbers

  • John Deere: M154621
  • Stens: 265-316

Compatibility & Fitment

  • Brand: John Deere
  • Lawn Tractors with 42-inch Mower Decks:
    • X300
    • X304
    • X310
  • Zero-Turn Mowers with 48-inch Mower Decks:
    • Z245

When to Replace

  • Visible damage including cracking, fraying, glazing, or missing sections.
  • Audible squealing or slipping from the deck during operation.
  • Reduced cutting performance or uneven cutting results.
  • Belt has stretched and can no longer be properly tensioned.

Installation Tips

  • Disconnect the spark plug wire before starting any work for safety.
  • Verify the correct belt routing path using your mower's operator manual.
  • Inspect all pulleys and tensioners for wear, damage, or debris before installing the new belt.
  • Set the proper belt tension as specified by the manufacturer to ensure correct operation and prevent premature wear.
$11.54

Original: $32.96

-65%
[Lifetime Warranty] M154621 Mower Belt - Compatible with 42" Deck John Deere X300 X304 X310 Lawn Tractors & 48" Deck EZtrak Series Z245 Zero-Turn Mower | 1/2" x 146 1/4"

$32.96

$11.54

Product Information

Shipping & Returns

Description

M154621 Mower Belt | 1/2'' x 146 1/4''

Key Features

  • Type: Mower Deck V-Belt
  • Width: 1/2 inch
  • Length: 146 1/4 inches
  • Material: Aramid fiber cord construction for high tensile strength and longevity.
  • Design: Wrapped exterior provides smooth engagement and resistance to heat, oil, and cracking.

Replaces / Cross-Reference Part Numbers

  • John Deere: M154621
  • Stens: 265-316

Compatibility & Fitment

  • Brand: John Deere
  • Lawn Tractors with 42-inch Mower Decks:
    • X300
    • X304
    • X310
  • Zero-Turn Mowers with 48-inch Mower Decks:
    • Z245

When to Replace

  • Visible damage including cracking, fraying, glazing, or missing sections.
  • Audible squealing or slipping from the deck during operation.
  • Reduced cutting performance or uneven cutting results.
  • Belt has stretched and can no longer be properly tensioned.

Installation Tips

  • Disconnect the spark plug wire before starting any work for safety.
  • Verify the correct belt routing path using your mower's operator manual.
  • Inspect all pulleys and tensioners for wear, damage, or debris before installing the new belt.
  • Set the proper belt tension as specified by the manufacturer to ensure correct operation and prevent premature wear.
[Lifetime Warranty] M154621 Mower Belt - Compatible with 42" Deck John Deere X300 X304 X310 Lawn Tractors & 48" Deck EZtrak Series Z245 Zero-Turn Mower | 1/2" x 146 1/4" | BlueStars Quality Replacement Parts