Home/Caterpillar 3400 Series Parts/381851 Cat / Caterpillar THERMOSTAT
Cat / Caterpillar THERMOSTAT
Caterpillar · Models: 3406E / C15 / C16 / C18

381851 Cat / Caterpillar THERMOSTAT

Commercial diesel cooling system. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$32.65$35.79 Save $3.14
In stock — ships same day 109 available
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$32.65
2-year warranty
PAI 381851JAKS-PAI-381851
In stock · 109 available
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EconomySave $2.18 · 6% less
$30.47
12-month warranty
PAI 381851EJAKS-PAI-381851E
In stock · 23 available
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PAI Part #381851
JAK'S Part #JAKS-381851
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Kit Membership

Used In These Kits

This part is included in 23 engine & overhaul kits — find yours below.

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381851 Cat / Caterpillar THERMOSTAT
BrandPAI Industries
Part CategoryCooling System
Sub-TypeThermostat
Engine MakeCaterpillar
Engine Model3406E · C15 · C16 · C18

THERMOSTAT

Fits:

  • CATERPILLAR 3406E SERIES
  • CATERPILLAR C15 ENGINE
  • CATERPILLAR C16 ENGINES
  • CATERPILLAR C18 ENGINE
  • CATERPILLAR 3400 SERIES

OEM cross-references:

  • CATERPILLAR 174-6584
  • CATERPILLAR 1746584
  • CATERPILLAR 4W4842
  • CATERPILLAR 7C3095
  • CATERPILLAR 9Y5330
  • CATERPILLAR 122-3821
  • CATERPILLAR 1223821
  • CATERPILLAR 247-7133
  • CATERPILLAR 2477133

Warranty: 24 months