Bosworth Service Kit for Guzzler 400

Bosworth Service Kit G400SK for Guzzler 400 (0400 and 0450 Series) Pump
SKU: 78525
Mfg# G400SK
LFS# BOS40017
UNIT: Each
Description: Service Kit with Diaphragm & Flapper ValvesFits: 400
In Stock - Ships out in 1 Business Day

Bosworth Service Kit Model SK-N4N0X-11 works on Guzzler 0400 or 0450 Series Pumps to bring back the pumps original performance and keep your Guzzler pumping long into the future. Each kit includes the diaphragm, an inlet and an outlet valve.

  • Diaphragm of FDA-approved Buna-N (Nitrile) material
  • Inlet & Outlet Flapper Valves of Buna

WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling. For more information, go to

Ratings & Reviews

2 reviews

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Works flawlessly


Excellent kit. At first I was concerned that there were no instructions but they were not needed. Works flawlessly.

Brian Manley


Went great


The length of the warranty may vary by product, please refer to your product for the exact terms and conditions of the warranty for your purchase.


  • All returns must be recevied within 30 days of receipt of the order.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.