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Thermostat & Seat Assembly Outboard Thermostat 0433379

Satisfaction rating 5 out of 5 (28 Ratings)
Save $3.64 (9%)
5 in stock Ships Immediately

Last update: 4 days ago Update Now

  • Guaranteed fitment for 18 different models
  • This is an OEM part manufactured by Johnson/Evinrude, OMC
  • Flat rate shipping starting at $3.95
  • 30 day return policy

Product Description

• 6 / 8 thru late 1992 • 9.9/15 small bore 1987-1992 • 40 / 48 / 50 1989-1994

Product Questions

There are no questions for this product. Ask a new question and receive an answer, directly from our support staff.

28 Product Reviews



Very good.



The website was easy to use and I found the part I needed for a 1990 Evinrude. It came quickly and it was the right part and fit. I need to get another part and I am ordering it today.

I have a problem to receive from FedEx the things a buy from Crowley. Do you think you cood help me to get my purchase Thanks

I have done business with you in the past. Your service is always the best.

I received the wrong part the first time. I had used the part number on the old part removed. Usually that would be correct but not this time. Crowley's looked it up by model number and exchanged for the correct part. No attitude, No hassle. Pleasure to work with.

Johnson 50 2 stroke

Repair Difficulty
Repair Time
More than 4 hours

Problem fixed: Remove power head, replace crank seals

Straight forward save for seized bolt on power head.

Items were shipped promptly if in stock. Reasonable prices.

Item was exactly what we needed and very fast shipping thank you very much

Evinrude 40 hp

Although the site said all parts were in stock and would be shipped immediately, it was over 3 weeks before I received them. Parts were fine once received.

Excellent,fast and fine parts



I find the web site very user friendly and easy to find what I am looking for. After placing four orders for three different motors back to back in the last couple of week I am very satisfied. Delivery time was very good and complete.

1989 15 HP Evinrude

Repair Difficulty
Repair Time
2 to 4 hours
Great: They were friendly and knowledgeable !

Problem fixed: Over heating

Needed help with parts for a 28 year old 15 HP Evinrude, they had the answer and the parts. One part came wrong, after a NO hassel phone call the correct part was sent priority mail. Great service. 3 time was due to having to pull power head to find and remove blockage that was causing motor run hot.

Excellent, every time I use you guys.





Ordering was super easy and parts arrived as expected

Johnson 40 hp, 1990 model.

Hi, I just wanted to say thank you for your help and great service. Motor is running at the right Temp again. So once again thank you.

15 hp Johnson

Repair Difficulty
Repair Time
Less than 30 mins
very good.

Problem fixed: motor overheating. due to corrosion on thermostat .

replaced o-ring,seat ,and thermostat and put cover back on.

Shipping was a little slower than expected. Sent an email inquiring about status of order and didn't receive a reply.

people are great shipping is fast

Product Fitment Grid

This guide is to be used as a reference only. You must verify fitment using your model or serial number.

BRAND MODEL 1986 1987 1988 1989 1990
Evinrude Outboards 4 - - x - -
Evinrude Outboards 6 - - - x -
Evinrude Outboards 8 - - - x -
Evinrude Outboards 9.9 x x - x -
Evinrude Outboards 14 - - x x -
Evinrude Outboards 15 x x - x -
Evinrude Outboards 40 - - - x -
Evinrude Outboards 48 - - - x -
Evinrude Outboards 50 - - - x -
Johnson Outboards 4 - - x - -
Johnson Outboards 6 - - - x -
Johnson Outboards 8 - - - x -
Johnson Outboards 9.9 x x - x -
Johnson Outboards 14 - - x x -
Johnson Outboards 15 x x - x -
Johnson Outboards 40 - - - x -
Johnson Outboards 48 - - - x -
Johnson Outboards 50 - - - x x

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