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Description
M154621 Mower Belt - Fits 42" Deck John Deere X300 X304 X310 Lawn Tractors & 48" Deck EZtrak - 1/2" x 146 1/4"M154621 Mower Belt (1 2'' x 146 1 4'') Key Features Type: Mower Deck V Belt Width: 1 2 inch Length: 146 1 4 inches Material: Aramid fiber cord construction for high tensile strength and longevity. Design: Wrapped exterior provides smooth engagement and resistance to heat, oil, and cracking. Replaces Cross Reference Part Numbers M154621 265 316 75 803 175 803 12560 B1JD173 230 0316 7 078299 504 00326 810 CBL2387T Compatibility & Fitment Brand: John
M154621 Mower Belt (1/2'' x 146 1/4'')
Key Features
- Type: Mower Deck V-Belt
- Width: 1/2 inch
- Length: 146 1/4 inches
- Material: Aramid fiber cord construction for high tensile strength and longevity.
- Design: Wrapped exterior provides smooth engagement and resistance to heat, oil, and cracking.
Replaces / Cross-Reference Part Numbers
- M154621
- 265-316
- 75-803
- 175-803
- 12560
- B1JD173
- 230-0316
- 7-078299
- 504-00326
- 810-CBL2387T
Compatibility & Fitment
- Brand: John Deere
- Lawn Tractors with 42-inch Mower Decks:
- X300
- X304
- X310
- Zero-Turn Mowers with 48-inch Mower Decks:
- Z245
When to Replace
- Visible damage including cracking, fraying, glazing, or missing sections.
- Audible squealing or slipping from the deck during operation.
- Reduced cutting performance or uneven cutting results.
- Belt has stretched and can no longer be properly tensioned.
Installation Tips
- Disconnect the spark plug wire before starting any work for safety.
- Verify the correct belt routing path using your mower's operator manual.
- Inspect all pulleys and tensioners for wear, damage, or debris before installing the new belt.
- Set the proper belt tension as specified by the manufacturer to ensure correct operation and prevent premature wear.
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
4.8 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 4
Overall good chair for a good price
Number of Items: 1
Comfortable chair, but there's a very slight lean. I haven't yet managed to track down what's causing it, but as I slowly spin around, I find myself tilting slightly forward, then left, then back, then right... I've removed the casters and then removed/reinstalled the "ring" of legs, so the next place to check is the connection between the post and seat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2026
★★★★★ 5
well made for price
Number of Items: 1
well made and comfortable chair
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 5
The best office chair!!!
Number of Items: 1
The chair is great quality, sturdy, and was easy to put together. Looks just like the photos and video. It is SUPER comfortable - the most comfortable chair ever! If you’re looking to purchase an office chair/ desk chair - this is the one! The price was reasonable and I would 100% recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
★★★★★ 5
Great chair, only one issue.
Number of Items: 1
As someone who is exactly 6ft tall, this chair is just about perfect for my height and body type. High quality materials, adjustable lumbar support, very ergonomic. Visually, it works well with my desk setup. It has already helped me improve my posture ten-fold.
My only complaint might be that the tension on the recline joint is too much. Twisting it to the loosest setting doesn’t feel loose enough, you’ll need to put your feet up on something to recline comfortably and stay in that position. Other than that, great chair. I don’t see myself returning this one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 5
Chair
Number of Items: 1
Very comfortable and easy to assemble
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
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