• Genuine John Deere OEM spring  
• Maintains proper belt tension  
• Durable corrosion-resistant steel construction  
• Direct-fit replacement design  
• Supports smooth mower deck operation 

Description

The John Deere Deck Drive Belt Tightening Spring GX21582 is a genuine OEM replacement component designed to maintain proper tension on the mower deck drive belt. Engineered to original factory specifications, this spring plays a critical role in ensuring smooth engagement and consistent cutting performance across compatible John Deere lawn tractors.

Manufactured from high-strength, corrosion-resistant steel, the GX21582 spring is built to withstand constant tension, vibration, and outdoor working conditions. It helps keep the belt correctly tensioned during operation, supporting efficient power transfer to the mower deck and reducing the risk of slipping or uneven cutting performance.

This direct-fit replacement spring is commonly used on a range of John Deere 100 series and similar models. It is ideal for replacing stretched, weakened, or broken springs to restore proper belt tension and reliable mower function.

Always confirm compatibility with your specific model before installation to ensure correct fit and performance.

Compatible Equipment

• 145 
• 155C 
• 190C 
• D140 
• D150 
• D155 
• D160 
• D170 
• E140 
• E150 
• E160 
• E170 
• E180 
• G110 
• L120 
• L130 
• L2048 
• L2548 
• LA130 
• LA140 
• LA145 
• LA150 
• LA155 
• LA165 
• LA175 
• S140 
• S160 
• S170 
• S180 
• X140 
• X165 
• X166 
• X167 

Additional information

Heavy / Extra Large Parcels –
These items will incur an extra cost to deliver, please read the full delivery information below for further details. These items include 20L oils and ride-on toys.

Collection –
Collect available from any of our Tuckwells outlets. You will be contacted when the parcel is ready for collection.

Returns –
Unfortunately, we do not offer free returns at this stage

• Full Delivery & Returns Information