Engine Thermostat pilotpart114239 for Cummins 4B3.9 Engine

OEM / REF: pilotpart114239SKU: pilotpart114239

Engine Thermostat with Gasket Bushing 3917324 for Cummins Engine 4B3.9 4BT3.9 4BTA3.9 6B5.9 6BT5.9 6BTA5.9 is a Engine Thermostat replacement part indexed for Cummins · 4B3.9 and Cummins · 4BT3.9, with 3 application records on file. Match OEM part number pilotpart114239 and confirm fitment for Cummins Engine Spare P...

Stock
In stock
Condition
New
Fitment
Cummins Engine Spare Parts
Category
Thermostat
  • Fitment support before you order
  • Worldwide delivery options

Thermostat Description

This Thermostat is indexed for Cummins · 4B3.9; Cummins · 4BT3.9; Cummins · 4BTA3.9; Cummins · 6B5.9. Compare reference number pilotpart114239 against the label on your existing Cummins component before ordering.

Before checkout, compare OEM part number pilotpart114239, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Applications

  • Cummins · 4B3.9
  • Cummins · 4BT3.9
  • Cummins · 4BTA3.9
  • Cummins · 6B5.9
  • Cummins · 6BT5.9
  • Cummins · 6BTA5.9

Specifications

IncludingEngine Thermostat 3917324*1<br />Engine Thermostat Gasket 3920336*1<br />Engine Thermostat Bushing 3923331*1

Fitment Notes

Brand or application signal
Cummins Engine Spare Parts
Product family
Thermostat
System category
Engine Spare Parts > Lubrication & Cooling Systems > Thermostat
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment

Send machine details before ordering high-risk parts.