[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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns









[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.
Original: $28.26
-65%$28.26
$9.89Product Information
Product Information
Shipping & Returns
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.
























