S-BAR, T-BAR, P-BAR Modules

TTP Engine Cooling Modules

API Heat Transfer offers Thermal Transfer Products manufactured custom OE engine cooling modules for small gasoline engines to large-horsepower turbo diesel applications. Your choice of a variety of materials and core types (S-BAR, T-BAR, or P-BAR) offers design flexibility for high-performing radiators, CAC’s, or oil cooling. Full system modeling and validation of cooling modules is provided.

Core types

Extruded Tubular Bar | Rugged & Refined

T-BAR (tubular micro-channel extrusion) brings you the most refined cooling technology on the market today.

  • Engineered with minimal components in an ideally simplified configuration
  • Unrivaled strength and rigidity to ensure durable performance
  • A flexible design using an extruded flow path
  • A high-performing, cost-effective domestic aluminum solution

Plate & Bar | High Volume & Low Variety Applications

P-BAR (custom plate & bar) is your best heat-transfer solution for higher volume (qty.) applications, and when competitive costs are key.

  • Custom-engineered engine cooling with remarkable heat rejection
  • High performance for mobile or industrial applications
  • A flexible design
  • A cost-effective LCC aluminum solution

Seam Welded Tube | Rugged & Refined

S-BAR is the most affordable, high-flow cooling technology on the market today.

  • A high-strength automotive style core design
  • Durable, multi-row tube to header plate design
  • Engineered for use in applications with higher temperatures and heat loads
  • A lightweight, reliable and cost-effective aluminum solution

For application help and quoting, visit our full TTP site or contact ttpsales@apiheattransfer.com

Contact Us/Request a Quote


  • Compressors
  • Air Cooled
  • Industrial Markets
  • Mobile Equipment
  • Agriculture and forestry
  • Construction
  • Material handling
  • Military
  • Mining
  • On-highway
  • Powersports
  • Rail
  • Turf care
  • Oil and Gas

View all Thermal Transfer Products Products