M4020 - Seipel Marine 20' Inflatable Boat Bumper - Grey | Aztek Computers
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SKU: B13YLFH8SS |  Mfg. Part: M4020  | UPC: 817177025466  | 
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M4020 - Seipel Marine 20' Inflatable Boat Bumper - Grey

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Product Overview

20' Inflatable Boat Bumper - Grey

The Seipel Marine Boat Bumper line works great to protect your boat from scratches dents and dings during boat tie-ups & lake parties. It also will protect you when pulling up to or mooring at the dock. Bumpers can be hung off the side of the boat or the side of the dock. You can leave the bumpers hanging all day so you don't have to worry whether you stopped to grab some lunch or just to pick up more friends & grab more gear to keep on wakeboarding or wake surfing!

IMPORTANT – FatSac Bumpers are to be used for boat tie-ups and docks ONLY. They are NOT meant to be used for towing, to stop a boat at high speeds, or as a flotation device!

Features:

  • Highest-quality welded materials
  • Material is similar to river raft inflatable boat
  • UV resistant
  • Includes 1 tie-down cleat per side.
  • Includes 2 x 5’ rope lines to tie up the bumper
  • Uses a Halkey Roberts inflation valve for filling and emptying
  • All seams are double welded with seam tape for added protection and quality

*Bumpers can be filled with any air pump, however we recommend FatSac Air Pumps as they work best M3150*

Expert Overview

The Seipel Marine 20' Inflatable Boat Bumper, part number M4020, is designed to provide protection for boats during tie-ups and mooring. This grey inflatable bumper helps prevent scratches, dents, and dings that can occur when boats are tied together or docked. It is suitable for deployment from either the side of a boat or a dock. Constructed from high-quality, UV-resistant welded materials similar to those used in river rafts, it offers durability for prolonged outdoor use. Each bumper includes one tie-down cleat per side and two 5-foot rope lines for secure attachment. Inflation and deflation are managed via a Halkey Roberts valve. This product is intended for static protection during tie-ups and docking only, not for towing or high-speed impact absorption.

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Seipel Marine
  • M4020
  • B0DP5L8GQX
  • 817177025466
  • New
  • 25.45 lbs
  • 18 X 9 X 14
  • Jul 28, 2026
  • Mar 15, 2026
Product Identifiers: Brand: Seipel Marine • Part #: M4020 • UPC: 817177025466 • ASIN: B0DP5L8GQX • Category: Inflatables

Frequently Asked Questions

What is the primary intended use for the Seipel Marine M4020 boat bumper?

The M4020 boat bumper is designed for protecting boats from scratches and dents during boat tie-ups, lake parties, and when mooring at a dock. It can be hung from either the boat or the dock.

What materials are used in the construction of this inflatable boat bumper?

The bumper is constructed from highest-quality welded, UV-resistant materials, similar to those used in river raft inflatable boats. All seams are double welded with seam tape for added protection.

What items are included with the Seipel Marine 20' Inflatable Boat Bumper?

Each bumper includes one tie-down cleat per side and two 5-foot rope lines for secure attachment. It also features a Halkey Roberts inflation valve.

What type of inflation valve does the M4020 bumper use?

The Seipel Marine M4020 boat bumper uses a Halkey Roberts inflation valve for filling and emptying. It can be filled with any air pump, though FatSac Air Pumps are recommended.

M4020 - Seipel Marine 20' Inflatable Boat Bumper - Grey

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Reviews for Seipel Marine M4020

$389.54