Attwood 93722 Round Plastic-Body Motor Flusher

Plastic-Body: Attwood 93722 is a round motor flusher with a reinforced polypropylene body for outboards and inboard/outboards with side water inlets. It connects to a garden hose and uses molded cups to direct fresh water through the lower-unit side intakes. The listing says its self-adjusting yoke fits most domestic and imported engines of these types.

At a glance

Connects to a garden hose to flush the cooling system through lower-unit side intakes.
The self-adjusting clamping yoke is claimed to fit most domestic and imported outboards and inboard/outboards.
Designed to help wash away salt, sand, silt and alkali from the cooling system.
The listing says it installs without tools.

Price

$21.11Save 16%

Reference price: ~~$25.28~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

A hose-fed design supports routine cooling-system flushing without describing a separate powered pump.
The self-adjusting yoke and molded cups are intended to hold the flusher against compatible engine intakes.

Technical specifications

7 specifications

Identity
Brand	attwood
Model	93722

Power and battery
Power configuration	Ac/dc

Dimensions and installation
Weight listed	181 g

Materials and protection
Material listed	Polypropylene (PP)
Colour	Black
Style	Round With Plastic Body

What to know before buying

Listing details to confirm

The listing gives conflicting dimensions: one entry states 11.1L x 8.9W x 31.1H centimetres, while another states 31.75 x 15.75 x 20.32 cm; 181.44 g. Confirm the product dimensions if they affect storage or fit. The stated 181 g weight is listed separately.

What’s in the box

Included

End product and information

Who is it for?

A good fit for

Boat owners flushing outboards or inboard/outboards that have side water inlets.
People who want a garden-hose-fed tool for flushing salt, sand, silt or alkali from an engine cooling system.

Less suited to

Owners of engines without compatible side water inlets.
Buyers looking for a flusher confirmed for engines outside the listed outboard and inboard/outboard types.

Attwood 93722 Round Plastic-Body Motor Flusher · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 710 ratings

5 stars76%76%
4 stars14%14%
3 stars5%5%
2 stars2%2%
1 star3%3%

Customer feedback describes the flusher as effective for its intended task, with positive reports about fit, staying in place and rust resistance, as well as perceived value. Those points are relevant to the listed molded-cup and self-adjusting-yoke design, but customer impressions do not confirm compatibility with every engine. The supplied rating distribution is mostly five- and four-star, with a smaller share of lower ratings, and does not explain individual experiences.

Positive themes

Customers report a secure fit that stays in place.
Customers describe the product as functional and report satisfaction with its quality and rust resistance.
Some customer feedback describes it as good value.

Frequently asked questions

Which engines is the Attwood 93722 intended for?

The listing describes it for outboards and inboard/outboards with side water inlets. It claims the self-adjusting yoke fits most domestic and imported engines in those types.

How does this motor flusher connect?

Attach a garden hose. The molded cups direct fresh water through the lower-unit side intakes to flush the cooling system.

What materials and weight are listed?

The listing identifies polypropylene (PP) and gives a weight of 181 g. Its dimension entries conflict, so consult the note if size matters.