GX25628 Deck Belt - Fits 42 inch Mower Deck J-Deere Z335E Z345M Z345R Z315E Z335M Z320M Z320R ZTrak Zero-Turn Z300 Series | 0.5'' x 118.63''

Key Features

• Type: Deck Drive V-Belt
• Dimensions: 0.5 inch (1/2") Width x 118.63 inch Outer Circumference
• Construction: Oil and heat-resistant synthetic rubber compound
• Reinforcement: Internal high-tensile cords for durability and resistance to stretching

Replaces / Cross-Reference Part Numbers

• John Deere OEM: GX25628

Compatibility & Fitment

• Brand: John Deere
• Deck Size: 42 inches
• Mower Series: ZTrak Z300 Series
• Compatible Models: Z315E, Z320M, Z320R, Z335E, Z335M, Z345M, Z345R

When to Replace

• Visible signs of cracking, fraying, glazing, or separation
• Squealing or slipping sounds during deck operation
• Noticeable decrease in blade speed or cutting performance
• Belt feels loose or has excessive slack

Installation Tips

• Disconnect the spark plug wire before beginning work.
• Refer to your mower's operator manual for the correct belt routing diagram.
• Ensure all pulleys and tensioner assemblies are clean and move freely.
• Confirm the belt is correctly seated in all pulley grooves before re-engaging the deck.