Thermostat illustration – not the actual part
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Thermostat illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

Cummins4BT / 6BTThermostats

Cummins 5627589 Thermostat for ISB and QSB diesel engines

Genuine Cummins Part

OEM #: 5627589SKU: 5627589

Ships in 4-5 days

$86.48

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Return with 20% Fee

This is a genuine Cummins Thermostat for ISB and QSB engines.

SKU 5627589
OEM Number 5627589
Part Type Thermostats
OEM Brand CUMMINS
  • 5292712

Warranty

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Genuine Cummins parts warranty

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.

Frequently bought together

Thermostat illustration – not the actual partDiesel Parts Direct logo
CUMMINS DS-5292712 Thermostat For ISB And QSB Cummins Diesel Engines
$28.59
Ships in 1-2 days