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Perkins 4133L019 Thermostat Housing Assembly
Perkins 4133L019 Thermostat Housing Assembly - Image 2
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Perkins 4133L019 Thermostat Housing Assembly


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3-Year Factory Warranty
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Thermostat Opening Temperature82°C
Housing MaterialAluminum Alloy
Connection TypeFlanged
Includes HardwareYes
Gasket IncludedYes
Net Weight2.2 kg
Package Dimensions22 × 16 × 12 cm

Manufacturer No.

  • 4133L019
  • 4133L036

OEM Part No.

  • 4133L019
  • 4133L036
  • 02/202106
  • 02/202411

Engine Part No.

  • Perkins 1004.40
  • Perkins 1006.60
  • Perkins 1004-40T
  • Perkins 1006-60TW
  • Caterpillar 3054
  • Caterpillar 3056

Interchange No.

  • PE30-041
  • MTS 13333
  • THERMOTEC

Fitment Vehicles

  • JCB 2CX
  • JCB 3CX
  • JCB 4CX
The Perkins 4133L019 thermostat housing assembly integrates the thermostat valve and coolant outlet housing into a single service unit. It regulates engine coolant flow to maintain optimal operating temperature of 82 degrees Celsius. The housing is constructed from aluminum alloy for thermal conductivity and corrosion resistance. The assembly includes the thermostat element, housing body, and mounting flange with gasket sealing surface. Direct replacement for Perkins 1000 series engines including 1004.40 and 1006.60 variants. Cross-references Perkins 4133L036, JCB 02/202106 and 02/202411. Applicable to Caterpillar 3054 and 3056 industrial engines sharing the Perkins 1000 series architecture.