Spectra 2001-3537 Radiator

Brand Spectra 2001-3537
Fits 10 vehicles

OE replacement. Meets or exceeds original equipment performance.

Heavy duty radiator for dependable cooling performance.

Cross-references 1S18022, 1S18027 and 1S180256 for the same application. See all 25.

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Spectra 2001-3537 Heavy Duty Radiator

The Spectra 2001-3537 radiator is a heavy duty OE-style replacement built for cooling system service on select commercial applications. It is engineered to meet or exceed original equipment performance for the radiator assembly and related engine and transmission cooling needs.

Key Features

  • Heavy duty radiator replacement from Spectra
  • OE-style fit and performance focus
  • Supports engine cooling and transmission cooling functions
  • Built with manufacturing and quality control standards aimed at original equipment-level operation
  • Cross-reference part number: 20013537

Detailed Description

Use the Spectra 2001-3537 when replacing a worn, leaking, or inefficient radiator in a compatible heavy duty cooling system. This radiator is intended for applications where stable coolant flow and heat transfer are critical, including trucks and vocational vehicles that rely on consistent engine temperature control. Search terms such as Spectra 2001-3537 radiator, heavy duty radiator replacement, and OE-style radiator for commercial cooling applications align with this part.

This part cross-references HDC010888PA for the same application.

Common Problems It Can Help Solve

  • Coolant leaks from a damaged radiator core or tank
  • Overheating caused by restricted heat dissipation
  • Temperature instability under load or extended operation
  • Reduced cooling efficiency in engine and transmission circuits

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet locations, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and confirm proper coolant fill and bleed procedures after replacement. For fitment-based searches, this radiator is commonly referenced for heavy duty vehicle cooling system service, including applications associated with Navistar and International truck platforms.

Quality Assurance

Spectra Premium states that its heavy duty radiators are manufactured with engineering, production, and quality control processes intended to meet or exceed the performance of the original equipment they replace, including engine and transmission cooling components.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2013IC CorporationCE School Busw/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
2013IC CorporationHC Integrated Commercialw/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
2013International4300w/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
2013International4300LPw/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
2012IC CorporationCE School Busw/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
2012IC CorporationHC Integrated Commercialw/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
2012International4300w/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
2012International4300LPw/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
2011International4300w/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
2011International4300LPw/ 28-5/8 in. x 25-3/4 in. x 2-3/16 in. Core; Inlet 2-1/2 in.; Outlet 2-1/2 in.; w/ TOC (Transmission Oil Cooler) 20-5/8 in. Engine Side; Inlet 5-9/16 in. From Top Left Corner; Outlet 9-1/8 in. From Bottom Right Corner; No Frame Included; OEM Frame Must Be Reused.; May Require Use Of Provided Mounting Rubbers
Directly replaces or cross-references 25 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1S180221S180271S1802561S18029100003S0124843S0134718970A238704640098640098ST2601251C912601251C922601251C932601251C942601807C912601807C9242104144210417421055920013537HDC010888PANAV56REA4210414REA4210417REA4210559