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TH400 Billet Aluminum Pump
TH400 Billet Aluminum Pump
TH400 Billet Aluminum Pump
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TH400 Billet Aluminum Pump

Marsoni M251S
Sale price$397.50
Pay 4 payments of $99.38 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
TH400 Billet Aluminum PumpTH400 Complete BILLET Pump Assembly This pump body and stator back is made from 6061 billet aluminum. Weighs 10. 81 lbs. versus 15. 72 lbs. on the OE pump assembly Positive stop bushing area Area for staking bushing prevents bushing spin Snap ring to prevent seal "Blow Out" Billet 4140 HTSR BOLT IN steel stator shaft LAST MUCH LONGER AT HI PSI THAN IRON PUMP !!
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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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]
  • Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1028 reviews
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Product Reviews
C
Verified Purchase
427Cobra
Omaha, US
★★★★★ 3
OK for light duty use only
Style: 9" 2T Cutting Blade
Not very strong or robust. Does fit my power head properly. Only recommend it for occasional, light duty use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025
A
Verified Purchase
Alexander Vieths
Chelsea, US
★★★★★ 5
These work for the Worx trimmer WG928
Size: 16 Line Spools+4 Caps, Size: 16 Line Spools+4 Caps
Recently purchased the Work String trimmer and blower bundle. I found these and ordered them in hopes they were the right ones. They fit and work perfectly. Super easy to install. Pop out the old one and pop in the new. The string is pretty durable and thick. I love the idea of pre loaded spools. It got so annoying having to rewind the string on the spool every time I ran out. Price is fair and worth it. Highly recommend these if you have the same trimmer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 2, 2024
B
Verified Purchase
brian
West Palm Beach, US
★★★★★ 5
Worth taking the worry off my list.
Size: 16 Line Spools+4 Caps
Great to last forever and not pay over priced smaller packages.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
C
Verified Purchase
christina castillo
Birmingham, US
★★★★★ 5
GREAT PRODUCT!
Size: 16 Line Spools+4 Caps
GREAT PRODUCT!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
A
Verified Purchase
Amazon Customer
Draper, US
★★★★★ 4
Good
Size: 20 Line Spools+4 Caps
Great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026

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