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Description
WB03 764 6810 STIHL Belt | RZ 552.0 & RZ 752.0 Series 52-Inch Mower Deck
The STIHL WB03 764 6810 Belt is a genuine OEM replacement belt for compatible STIHL RZ Series zero-turn mowers with 52-inch mower decks. This belt is used within the mower deck's pulley, belt, and idler-arm system to transfer power and drive the cutting blades.
Features That Make a Difference
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Genuine STIHL OEM replacement belt
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Part Number: WB03 764 6810
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Product: Mower Deck Belt
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Designed for compatible 52-inch RZ Series mower decks
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Helps transfer engine power through the mower deck drive system.
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Works with the deck pulley and idler-arm assembly.
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Ideal for replacing a worn, stretched, or damaged mower deck belt.
Specifications
| Specification | Details |
|---|---|
| Part Number | WB03 764 6810 |
| Product | Mower Deck Belt |
| Deck Size | 52" |
| Product Type | Deck Drive Belt |
| Brand | STIHL |
| Application | RZ Series Zero-Turn Mowers |
| Replacement Type | Genuine OEM |
Compatible Models
Based on the supplied STIHL parts information, this belt is used with the following 52-inch mower deck applications:
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RZ 552.0 — 52" Mower Deck - Pulleys, Belts & Idler Arms
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RZ 552.0 K — 52" Mower Deck - Pulleys, Belts & Idler Arms
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RZ 752.0 K — 52" Mower Deck - Pulleys, Belts & Idler Arms
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RZ 752.0i — 52" Mower Deck - Pulleys, Belts & Idler Arms
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RZ 752.0i K — 52" Mower Deck - Pulleys, Belts & Idler Arms
Always verify the exact mower model, deck size, and current STIHL parts diagram before ordering.
Reliable Power Transfer
The mower deck belt is an essential component of the cutting system. It transfers rotational power to the deck pulleys, allowing the cutting blades to operate.
A worn or damaged belt can result in:
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Reduced cutting performance
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Belt slipping
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Excessive belt noise
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Uneven blade operation
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Visible cracking or fraying
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Loss of blade drive
Replacing a worn belt with the correct OEM specification helps maintain the mower deck's intended operation.
When Should You Replace the Belt?
Inspect the mower deck belt regularly for:
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Cracks
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Fraying
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Excessive stretching
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Glazing or shiny surfaces
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Missing or damaged sections
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Unusual noise or vibration
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Slipping during operation
Always stop the engine and follow the mower manufacturer's safety procedure before inspecting or servicing the deck belt.
Installation & Maintenance
For proper installation:
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Shut off the mower and remove the ignition key.
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Make sure the engine and cutting blades have completely stopped.
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Follow the STIHL service procedure for accessing the mower deck.
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Remove the old belt from the pulley and idler system.
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Route the replacement belt according to the applicable belt-routing diagram.
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Verify that the belt is seated correctly in all pulleys.
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Check the idler-arm and belt-tension system.
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Before mowing, verify proper belt operation according to the manufacturer's instructions.
Always follow the current STIHL operator's and service instructions for your specific mower.
Important Compatibility Information
This part is identified as:
WB03 764 6810 — BELT RZ552
The supplied applications indicate use on 52-inch mower decks for the RZ 552.0 and RZ 752.0 series.
Because mower configurations can vary by model and production year, confirm your mower's exact model and deck configuration before purchasing.
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 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 RZ Series mower deck operating properly with the STIHL WB03 764 6810 52-inch mower deck belt.
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