Sierra 18-3550 Thermostat Replaces 59078 - (MW)
This item is currently on backorder. You can still place an order, but it will only ship once it’s back in stock.
Sierra 18-3550 Mercruiser 140 Degree Thermostat
Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercruiser Stern Drives and Chrysler/Force/US Marine engines.
- 140 Degree Temperature Rating
- Fits Mercruiser 120/2.5L (s/n 2324347 & up) w/ cast iron exhaust manifolds.
- Fits Mercruiser 140-3.0L (s/n 0L340999 & below) and 165.
Interchangeable with:
- Chrysler/Force/US Marine
- F84068-2
- F85068-2
- F84068-1
- F84068
- GLM
- 13020
- Mallory
- 9-43020
- Mercruiser Stern Drive
- 59078B
- 59078A1
- 59078
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov
Product Specifications
| Brand | Sierra |
|---|---|
| Manufacturer Part No. | 118-3550 |
| UPC | 030999315991 |
| Dimensions | 1.38" L × 4" W × 5.13" H |
| Shipping Weight | 0.08 lb |
| Shipping Box | 6x6x6" |

