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Description
WB01 704 3900 STIHL RZ 142 Spring | Clutch & Support
The STIHL WB01 704 3900 Spring is a genuine OEM replacement component for the STIHL RZ 142.0 zero-turn mower with a 42-inch mower deck. This spring is used within the mower's clutch and support assembly and helps maintain proper tension and positioning of compatible components.
Features That Make a Difference
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Genuine STIHL OEM replacement part
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Part Number: WB01 704 3900
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Product: RZ142 Spring
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Designed for the STIHL RZ 142.0 42-inch mower deck
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Used in the Clutch & Support assembly.
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Helps maintain proper component tension and positioning.
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Ideal for replacing a worn, stretched, or damaged spring.
Specifications
| Specification | Details |
|---|---|
| Part Number | WB01 704 3900 |
| Product | Spring |
| Application | RZ 142 |
| Mower Model | RZ 142.0 |
| Deck Size | 42" |
| Assembly | Clutch & Support |
| Product Type | Mower Clutch / Support Spring |
| Brand | STIHL |
| Replacement Type | Genuine OEM |
Compatible Model
Based on the supplied STIHL application information:
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RZ 142.0 — 42" Mower Deck - Clutch & Support
Always verify the exact mower model and current STIHL parts diagram before ordering.
What Does the Spring Do?
The spring is part of the clutch and support assembly and helps maintain the required tension and positioning of the associated components.
A properly functioning spring helps support:
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Correct component positioning
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Proper tension within the assembly
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Consistent clutch-system operation
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Reliable mower deck performance
Signs of a Worn or Damaged Spring
Inspect the spring if you notice:
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Loss of tension
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Stretching or deformation
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Corrosion
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Broken or damaged coils
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Unusual movement within the clutch assembly
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Mower deck components not returning to their intended position
A damaged spring should be replaced with the correct OEM specification.
Installation & Maintenance
Before servicing the clutch or support assembly:
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Shut off the mower engine and remove the ignition key.
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Make sure all moving components have completely stopped.
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Follow the STIHL service procedure for safely accessing the clutch and support assembly.
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Inspect the spring and surrounding components for wear or damage.
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Remove the old spring using the appropriate service procedure.
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Install the replacement spring in the correct orientation.
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Verify that the spring is properly seated and provides the correct tension.
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Confirm proper operation before returning the mower to service.
Always follow the current STIHL operator's and service instructions for your specific mower.
Important Product Information
Part Number: WB01 704 3900
Product: SPRING RZ142
Application: RZ 142.0
Deck: 42" Mower Deck
Assembly: Clutch & Support
This spring is specifically identified for the RZ 142.0 42-inch mower deck based on the supplied application information.
Why Buy from Barry’s Power Equipment?
Barry’s Power Equipment provides quality OEM replacement parts for STIHL outdoor power equipment.
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Genuine OEM replacement parts
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Quality STIHL mower components
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Competitive Pricing
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Fast Shipping
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Expert Customer Support
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Parts for professional and residential equipment
Keep your STIHL RZ 142.0 clutch and support assembly functioning properly with the WB01 704 3900 OEM Spring.
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