★★★★★ 5
Good deal on spark plugs
They worked perfectly for me
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
50A21 Double Strand Sprocket With Stock Bore | DS50A21H
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
50A21 Double Strand Sprocket With Stock Bore | DS50A21HProduct Details : 50A21 Double Strand Sprocket With Stock Bore DS50A21H Part No: DS50A21H Product Type: A (Stock Bore) Sprocket Type: Type A Plate Sprocket Chain Strand Type: Double Single Bore: Stock Bore ANSI Chain Size: 50 No. Of Teeth: 21 Pitch: 5 8" Outside Diameter: 4. 520" Bore Stock: 5 8" Bore Max.: 2 1 4" Dimension "L": 1 21 32" Dimension "C": 1 5 16" Dimension "E": 3 31 64" Material(s): Carbon Steel Hardened Teeth: Yes Certifications:
Quick Dispatch:
Your 50A21 Double Strand Sprocket With Stock Bore | DS50A21H orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your 50A21 Double Strand Sprocket With Stock Bore | DS50A21H ships.
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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]
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Based on 371 reviews
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Product Reviews
★★★★★ 5
Better running mower
Seems to work fine and runs great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 4
Perfect Spark Plug
Perfect match for my lawnmower. Worked as soon as I placed it on. Great product. Thank you Amazon for the product. Fast, correct product, and affordable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
Cost-effective alternative that works well..
I used these spark plugs on my 2018 Cub Cadet XT2 riding mower as part of the spring preparation. The spark plugs were well packed and arrive in great shape and at the appropriate gap. No issues with starting or operating the mower. These Harbot plugs turned out to be a great cost-effective option for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
★★★★★ 5
They work great.
The spark plugs are an exact replacement for my riding mower.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
