Crowley Marine: serving boaters for over 40 years Crowley Marine: serving boaters for over 40 years
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Thermostat Assembly Thermostat - Stern Drive 0383307

Satisfaction rating 5 out of 5 (21 Ratings)
Save $4.34 (15%)
5+ IN STOCK Ships Immediately

Last update: 38 days ago Update Now

  • Guaranteed fitment for 10 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

Bombardier factory part. Search for more factory parts & parts diagrams.

Product Questions

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

Great technical info, fast and accurate service. Parts were of good quality. Will be back.




Got right parts

Omc cobra

I was very happy with buying the parts I needed for my boat


Very satisfied with service and fast delivery thanks:)



Excellent, I received my parts in a timely manner and am very happy. Will definitely use again!


omc 5.0 litre

Repair Difficulty
Repair Time
30 to 60 mins
fast service, great

Problem fixed: stumble on acceleration

overhaul of carb as ethanol plugs it up


It took 8 weeks to get a back ordered part.

OMC Cobra 4.3 V6

Repair Difficulty
Repair Time
More than 4 hours
Great website, easy to navigate and find what you need. Fast service with good communication.

Problem fixed: Trim bleeds down, won't hold trim

This is a big project as this boat has been sitting for 10yrs. The trim bleeds down, the fuel system must be cleaned and all fluids changed. And cooling system gone through.




Omc 130 hp

Repair Difficulty
Repair Time
Less than 30 mins
Great. Exceptional service and very courteous.

Problem fixed: Stuck thermostat.

Replaced thermostat.


OMC Cobra 5.7 Lt.

Excellent store... Thanks !

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 1968 1969 1994 1995 1996 1997 1998
OMC Stern Drive 4.3 - - x x x x x
OMC Stern Drive 5 - - x x x - x
OMC Stern Drive 5.7 - - x - x x x
OMC Stern Drive 5.8 - - x x x - -
OMC Stern Drive 80 x x - - - - -
OMC Stern Drive 120 x x - - - - -
OMC Stern Drive 155 x x - - - - -
OMC Stern Drive 185 x - - - - - -
OMC Stern Drive 200 x - - - - - -
OMC Stern Drive 210 x x - - - - -

Customers Also purchased

Supersession Chain

Name SKU Superceding SKU
Thermostat Assembly VIEWING THIS PRODUCT 0383307 CURRENT
Thermostat Assembly 0379754 0383307
Thermostat 3856961 0383307
Thermostat 3852216 3856961

Aftermarket Product Interchange

Name SKU Price Brand
Thermostat 18-3554 $21.47 Sierra Marine
Thermostat 9-43021 $17.99 Mallory Marine

Flat $3.95 Shipping on ALL parts orders

We offer shipping flat $3.95 shipping on ALL parts orders. (Complete Engines, Lower Units and Sterndrives excluded). In addition orders over $89 have reduced cost express shipping available in checkout.

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You can get a rough idea of standard transit times from the map above.