HEIDENHAIN CORP UM 121D

Marsoni

M251S

$2811.50

Get it in 3 business days with 1 day shipping. Friday, May 29

HEIDENHAIN CORP UM 121DUM121DINVERTER POWER MODULERATED CURRENT 5 KHZ: 2X7. 5AAXIS MAX CURRENT AT5KHZ: 15A HEAT DISSION TYPE: INTERNAL CONNECTION HOLDING BRAKES: WITH CONNECTIONMODULE WIDTH: 50. 00 MMID 667 838 01

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We offer a 30-day return/exchange service after receiving.
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For those of you with the 135 hp mercury that was branded as the "Sea Ray 135" and paint matched to the boat (i.e. Seville's and some others) this is the 147 degree thermostat for that motor. My Seville is an '88 and It's difficult to cross reference the serial numbers on those motors when searching for parts. Only buy Quicksilver parts for these motors. Happy to find them on Amazon because Boats.net as an example, is not clear on what you're getting.

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Reviewed in the United States on August 3, 2024

Verified Purchase

Carlton Earley

Port Orchard, US

★★★★★ 5

fixed issue

stopped the overheat issue on my outboard!!!

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on August 6, 2025