Part #: 2001-3812P

Spectra 2001-3812P Radiator

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Spectra 2001-3812P Heavy Duty Radiator

The Spectra 2001-3812P radiator is a heavy duty OE-style replacement built for cooling system service on select applications. It uses an aluminum core with plastic tanks and a downflow design to support consistent heat transfer and reliable fitment where a direct replacement radiator is needed.

Compatible With heavy duty cooling system repairs, this radiator is built around the original equipment layout and dimensions. The Spectra 2001-3812P is a practical choice for restoring proper coolant flow and thermal control in applications that use an upper-left inlet and lower-right outlet configuration.

Key Features

  • Aluminum core with plastic tanks
  • Downflow radiator design
  • Core dimensions: 40.5625 in. height, 30.625 in. width, 2.0625 in. thickness
  • 2-row core construction
  • 2.5 in. inlet and 2.5 in. outlet diameters
  • Upper left inlet location and lower right outlet location
  • Mounting hardware included
  • No engine oil cooler, transmission oil cooler, cap, or fan included

Detailed Description

Built by Spectra for heavy duty cooling applications, part number 2001-3812P is engineered to meet or exceed the performance of the original equipment radiator it replaces. The aluminum core helps transfer heat efficiently, while the plastic tank construction supports a direct-fit replacement layout. This radiator is designed for vehicles that require a downflow configuration with matching inlet and outlet placement for proper hose routing and installation alignment. If you are replacing a worn or leaking radiator on a compatible truck or commercial-duty application, the Spectra 2001-3812P provides the core dimensions and connection sizes needed for a straightforward service replacement. This part cross-references Anchor 8907 for the same application.

Common Problems This Radiator Can Address

  • Coolant leaks from a cracked or aging radiator tank
  • Overheating caused by restricted heat dissipation
  • Corrosion or internal wear in the original radiator core
  • Damaged inlet or outlet connections
  • Poor cooling performance from a failing OE radiator

Installation Notes and Tips

Verify core height, width, thickness, inlet diameter, outlet diameter, and hose routing before installation. Confirm the upper-left inlet and lower-right outlet layout matches the vehicle’s original radiator. Inspect hoses, clamps, and surrounding cooling system components during replacement to help prevent repeat leaks or flow issues. Mounting hardware is included, and the radiator does not include a cap, fan, engine oil cooler, or transmission oil cooler.

Quality Assurance

Spectra Premium designs and manufactures heavy duty radiators with quality control processes intended to match OE performance expectations. Part number 2001-3812P is built as a direct replacement radiator for compatible applications, including heavy duty cooling system service where dependable thermal management is required.

BrandSpectra
Part Number2001-3812P
Core Height1030
Core Height40.5625
Core Thickness2.0625
Core Thickness52
Core Width30.625
Core Width778
Mounting Hardware IncludedYes
Core MaterialAluminum
Tank MaterialPlastic
Transmission Oil Cooler IncludedNo
Core Row Quantity2
Inlet Diameter2.5
Inlet Diameter64
Outlet Diameter2.5
Outlet Diameter64
Engine Oil Cooler IncludedNo
Cap IncludedNo
Fan IncludedNo
Flow OrientationDownflow
Hardware Kit Data8x clevis pins; 8x clevis clips
Inlet LocationUpper left
Installation Kit / Hardware Kit / Package Contents8x clevis pins; 8x clevis clips
Outlet LocationLower right

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1103147AS2387172390744210392770022770022AT770022ST832889078907ACTVTM83283CTVTU83283F3160961001010F3160961001020F3160963001020F3161661102010HDC010172HDC010172AAHDC010172PAKEN19KW8328PTOL9792001L9797001R1621001R1621003S7722T8789001

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.