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Description
138-7264 Extension Spring – Deck Assembly Replacement (OEM Toro Part)
The 138-7264 Extension Spring is a genuine OEM replacement spring designed for use in Toro riding mower deck assemblies. This heavy-duty extension spring provides the proper tension and support required for smooth deck operation, helping maintain correct belt engagement and reliable cutting performance.
Built to OEM Toro specifications, this part ensures long-lasting durability and dependable fit for a wide range of TimeCutter and Z Master series mowers.
Product Details
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Manufacturer Part Number: 138-7264
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Brand: Toro
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Part Type: Extension Spring
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Application: Deck Assembly / Belt Tension System
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OEM Status: OEM Toro Replacement Part
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Condition: New
Function
The Toro 138-7264 Extension Spring is designed to:
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Maintain proper tension within the mower deck system
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Support smooth belt operation and engagement
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Help ensure consistent blade performance during mowing
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Reduce vibration and uneven cutting caused by worn springs
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Provide reliable durability under heavy mowing conditions
Compatibility
This OEM Toro extension spring (138-7264) is used on many Toro riding mower models, including:
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TimeCutter ZS 5000
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TimeCutter MX 5000
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TimeCutter MX 5075T
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TimeCutter MR5075T Zero Turn
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TimeCutter MX 5475
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TimeCutter MyRide Series
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Z Master Professional 2000 Series
(This part is widely used across multiple 48″, 50″, 52″, 54″, and 60″ deck assemblies. Always confirm your exact model and serial range before ordering.)
Usage
The 138-7264 spring installs within the mower deck assembly to provide correct extension tension. Replacement is recommended if the original spring becomes stretched, worn, or broken.
Installation should be performed following Toro service guidelines or by a qualified technician.
Maintenance Tips
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Inspect deck springs regularly for stretching or corrosion
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Replace worn springs to prevent belt slipping or uneven cutting
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Keep deck components clean to reduce premature wear
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Always use OEM replacement parts for correct fit and performance
