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Close-up of a Sierra 18-3540 thermostat on a white background
Close-up of a thermostat laying on its side on a white background
Close-up of a Sierra 18-3540 thermostat on a white background
Close-up of a thermostat laying on its side on a white background
SKU 18-3540

Thermostat | 18-3540

by SIERRA
Availability:
in stock, ready to be shipped
$28.69 - $28.69
$28.69
$28.69 - $28.69
$28.69

Sierra thermostats are engineered for reliable performance and to meet or exceed OEM standards. This thermostat has a temperature rating of 122°F / 50°C. Note: Will not fit 3.1L.

OEM INTERCHANGE

Mallory: 9-43035

Yamaha Outboard

  • 688-12411-00-00
  • 688-12411-01-00
  • 688-12411-10-00
  • 688-12411-11-00
  • 6E5-12411-10-00
  • 6E5-12411-20-00
  • 6E5-12411-30-00
California Proposition 65 Warning WARNING Cancer or Reproductive Harm — www.P65Warnings.ca.gov
  • Temperature Rating: 122°F / 50°C
  • Note: Will not fit 3.1L

Logistics

  • Dimensions parcel depth, ["]: 1.5501
  • Dimensions parcel height, ["]: 5.1001
  • Dimensions parcel width, ["]: 3.9001
  • Parcel weight, [lbs]: 0.0701

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Interchange for Thermostat | 18-3540

Mallory: 9-43035

Yamaha Outboard

  • 688-12411-00-00
  • 688-12411-01-00
  • 688-12411-10-00
  • 688-12411-11-00
  • 6E5-12411-10-00
  • 6E5-12411-20-00
  • 6E5-12411-30-00

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ALMOST 60 YEARS OF SIERRA

SIERRA has a 58-year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry. The SIERRA brand encompasses the full SIERRA Marine product lines, as well as expansive brands formerly known as Shields and Moeller.

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