![[Grip120] M169485 Primary Deck Belt for John Deere X330 X350 X354 X370 Lawn Tractors, Mower Belt - Replaces UC39236 - 5/8](https://cdn.shopify.com/s/files/1/2576/7548/files/AZ00670331_1.jpg?v=1782101713)
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Description
[Grip120] M169485 Primary Deck Belt for John Deere X330 X350 X354 X370 Lawn Tractors, Mower Belt - Replaces UC39236 - 5/8" x 74.8"M169485 Primary Deck Belt (5 8" x 74. 8") Key Features Belt type: Primary deck drive belt Dimensions: 5 8 inch width x 74. 8 inch length Construction: High strength cord material designed for consistent power transfer and heat resistance Design: Wrapped belt profile for durability and reduced slippage in mower deck applications Replaces Cross Reference Part Numbers John Deere: M169485, UC39236 Compatibility & Fitment Compatible with 42 inch and 48
M169485 Primary Deck Belt (5/8" x 74.8")
Key Features
- Belt type: Primary deck drive belt
- Dimensions: 5/8 inch width x 74.8 inch length
- Construction: High-strength cord material designed for consistent power transfer and heat resistance
- Design: Wrapped belt profile for durability and reduced slippage in mower deck applications
Replaces / Cross-Reference Part Numbers
- John Deere: M169485, UC39236
Compatibility & Fitment
- Compatible with 42-inch and 48-inch mower decks
- Fits John Deere X300 Series: X330, X350, X354, X370, X380, X390, X394
- Fits John Deere X500 Series: X570, X580, X584, X590
When to Replace
- Visible fraying, splitting, or material loss on the belt edges
- Loss of tension resulting in blade slippage or inconsistent cutting performance
- Cracking or dry rot on the underside of the belt
- Excessive stretching that prevents the belt from maintaining proper engagement with the pulleys
Installation Tips
- Engage the parking brake and remove the ignition key before starting service
- Lower the mower deck to the lowest setting to provide clearance for removal and installation
- Release tension on the idler pulley to slacken the existing belt
- Ensure the new belt is properly seated within the grooves of all pulleys before reapplying tension
- Verify that the belt path matches the diagram found in your specific tractor’s operator manual
- Cycle the blade engagement handle after installation to ensure the belt seats correctly
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
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Product Reviews
★★★★★ 5
Nice Shelves
Color: Acacia
Nice looking shelves and installed very easily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 4
Good looking, quality control needs improvement
Color: Acacia
The shelves are fine but one of the mounting blocks was glued on backwards which meant the holes for countersinking the mounting screwed ended up on the wrong side. It was easy to drill new countersinks so no big deal but a star is docked for quality control. They are cheap and looks good so I can't complain much.
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Reviewed in the United States on December 6, 2025
★★★★★ 5
Lovely, space saving and easy to install
Color: Acacia
LOVE THESE SHELVES! So easy to install and they look fantastic in any room. Good price point and very stable. Love the color of the wood, perfect for small spaces.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Good looking shelves
Color: Acacia
The shelves look great and are exactly what was needed for the application chosen. It wasn’t an issue for me, but the mounting hardware was missing. I always use my own wall anchors so it didn’t affect me, but it may have others.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Corner shelves set are chic and functional
Color: Walnut Color
These corner shelves are a fantastic solution for anyone looking to maximize their space while maintaining a chic and functional environment.
Whether you're looking to organize or simply elevate your decor, these shelves are a great choice . (Easy of installation, great sizes, and quality)
keep a note that not only looks inviting but also encourages healthy snacking. In my dining room.
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Reviewed in the United States on October 12, 2025