60℃ 140°F Thermostat 17670-90J20 for Suzuki DF80 DF90 DF100 DF115 DF140 DF300

60℃ 140°F Thermostat 17670-90J20 for Suzuki DF80 DF90 DF100 DF115 DF140 DF300

$32.99
Sale price  $32.99 Regular price 
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60℃ 140°F Thermostat 17670-90J20 for Suzuki DF80 DF90 DF100 DF115 DF140 DF300

60℃ 140°F Thermostat 17670-90J20 for Suzuki DF80 DF90 DF100 DF115 DF140 DF300

SKU: ZZ3F00895
$32.99 In Stock
$32.99
Sale price  $32.99 Regular price 
Same day shipping if ordered by 4PM CST.
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model

Thermostat for Suzuki

This 60℃ 140°F thermostat is a direct replacement part for Suzuki outboard motors, regulating engine temperature to maintain optimal operating conditions. It is designed to open at 140°F, ensuring the engine warms up quickly and runs efficiently. This thermostat suits a range of Suzuki 4-stroke outboard models and carries OEM cross-reference numbers 17670-90J20 and 17670-90J21.

Overview

This thermostat is a crucial engine component that controls coolant flow to keep your Suzuki outboard at the correct temperature. It opens at 60℃ (140°F) to allow water to circulate once the engine reaches operating warmth, preventing overheating and promoting fuel efficiency. Engineered as a drop-in replacement, this 60℃ 140°F thermostat helps maintain consistent performance across various Suzuki models.

Built For Performance

  • Rated to open at 60℃ (140°F) for precise temperature regulation
  • Constructed with a durable wax-pellet element for reliable activation
  • Direct replacement design matching OEM fitment
  • Corrosion-resistant materials for long service life in marine environments
  • Ensures quick engine warm-up and stable idle

Fits These Machines

  • for Suzuki DF80
  • for Suzuki DF90
  • for Suzuki DF100
  • for Suzuki DF115
  • for Suzuki DF140
  • for Suzuki DF300

On-The-Job Use

  • Replaces a worn or stuck thermostat during routine outboard maintenance
  • Restores proper engine temperature control for saltwater and freshwater fishing
  • Helps resolve overheating or slow warm-up issues on 4-stroke outboards
  • Used by boat owners and marine mechanics during scheduled engine service

Specs At A Glance

Opening Temperature 60℃ / 140°F
Part Number(s) 17670-90J20, 17670-90J21
Compatible Engine Type Suzuki 4-Stroke Outboard

Good To Know

Q: How do I know if my thermostat needs replacing? A: Common signs include the engine running too hot or too cold, slow warm-up, or fluctuating temperature readings. Replacing this part restores proper coolant flow and engine stability.

Q: Can I install this thermostat myself? A: Yes, most boat owners with basic mechanical skills can replace it by accessing the thermostat housing, though always refer to your engine manual for specific steps. The part is designed for straightforward bolt-on installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.

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