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[Lifetime Warranty] [Upgraded Grip120] GX20072 Deck Belt Replacement for 42 Inch Deck John Deere D105 E100 LA105 LA110 LA120 GY20570 Belt | 1/2“ x 104”

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[Lifetime Warranty] [Upgraded Grip120] GX20072 Deck Belt Replacement for 42 Inch Deck John Deere D105 E100 LA105 LA110 LA120 GY20570 Belt | 1/2“ x 104”

[Lifetime Warranty] [Upgraded Grip120] GX20072 Deck Belt Replacement for 42 Inch Deck John Deere D105 E100 LA105 LA110 LA120 GY20570 Belt | 1/2“ x 104”

GX20072 Deck Belt (1/2“ x 104”)

Key Features

  • Belt Type: Mower Deck Belt
  • Dimensions: 1/2 inch width x 104 inch outer circumference
  • Construction: Aramid fiber-reinforced cord for high tensile strength and durability
  • Function: Transfers power from the engine crankshaft to the mower deck spindles to rotate the cutting blades

Replaces / Cross-Reference Part Numbers

  • John Deere: GX20072, GY20570
  • Craftsman: SPM215471655

Compatibility & Fitment

  • Brand: John Deere
  • Deck Size: 42 inches
  • Compatible Models: D100, D105, D110, D120, D130, E100, L100, L110, L130, LA100, LA105, LA110, LA115, LA120, 1742

When to Replace

  • Visible wear such as cracking, fraying, glazing, or burn spots
  • Belt feels loose, stretched, or does not maintain proper tension
  • Audible squealing or slipping sounds from the deck during operation
  • Inconsistent blade speed or poor cutting performance

Installation Tips

  • Before installation, disconnect the spark plug wire for safety.
  • Lower the mower deck to its lowest position to release belt tension.
  • Refer to the belt routing diagram, typically located on a decal on the mower deck.
  • Ensure all pulleys, idlers, and spindles are clean, free of debris, and spin freely.
  • Verify the belt is correctly seated in all pulley grooves before applying tension.
$9.89

Original: $28.26

-65%
[Lifetime Warranty] [Upgraded Grip120] GX20072 Deck Belt Replacement for 42 Inch Deck John Deere D105 E100 LA105 LA110 LA120 GY20570 Belt | 1/2“ x 104”

$28.26

$9.89

Product Information

Shipping & Returns

Description

GX20072 Deck Belt (1/2“ x 104”)

Key Features

  • Belt Type: Mower Deck Belt
  • Dimensions: 1/2 inch width x 104 inch outer circumference
  • Construction: Aramid fiber-reinforced cord for high tensile strength and durability
  • Function: Transfers power from the engine crankshaft to the mower deck spindles to rotate the cutting blades

Replaces / Cross-Reference Part Numbers

  • John Deere: GX20072, GY20570
  • Craftsman: SPM215471655

Compatibility & Fitment

  • Brand: John Deere
  • Deck Size: 42 inches
  • Compatible Models: D100, D105, D110, D120, D130, E100, L100, L110, L130, LA100, LA105, LA110, LA115, LA120, 1742

When to Replace

  • Visible wear such as cracking, fraying, glazing, or burn spots
  • Belt feels loose, stretched, or does not maintain proper tension
  • Audible squealing or slipping sounds from the deck during operation
  • Inconsistent blade speed or poor cutting performance

Installation Tips

  • Before installation, disconnect the spark plug wire for safety.
  • Lower the mower deck to its lowest position to release belt tension.
  • Refer to the belt routing diagram, typically located on a decal on the mower deck.
  • Ensure all pulleys, idlers, and spindles are clean, free of debris, and spin freely.
  • Verify the belt is correctly seated in all pulley grooves before applying tension.
[Lifetime Warranty] [Upgraded Grip120] GX20072 Deck Belt Replacement for 42 Inch Deck John Deere D105 E100 LA105 LA110 LA120 GY20570 Belt | 1/2“ x 104” | BlueStars Quality Replacement Parts