HomeHVAC > Motors, Core, Case and Related ComponentsFour Seasons 90735 HVAC Heater Core
Part #: 90735

Four Seasons 90735 HVAC Heater Core

Heater Core
⚙️ 7 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Core
🚗Fitment: Ford, Mustang
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Overview of Four Seasons Heater Core 90735 for Ford Mustang

The Four Seasons Heater Core 90735 is designed specifically for Ford Mustang models, providing reliable heating performance. This aluminum heater core ensures efficient heat transfer and durability for your vehicle's HVAC system.

  • Core dimensions: 7-5/8 inches length, 6 inches width, 1-7/8 inches thickness
  • Constructed from durable aluminum material
  • Core depth of 1.875 inches and core height of 7.625 inches
  • Tube sizes: 0.625 inch (15.875 mm) and 0.750 inch (19.050 mm)
  • Meets or exceeds OEM specifications for quality and fit
  • Non-adjustable pipe positioning for direct replacement

Four Seasons Heater Core Product Line Details

The Four Seasons Heater Core product line focuses on delivering HVAC heater cores engineered to meet or exceed original equipment manufacturer standards. The Heater Core line emphasizes aluminum construction for enhanced heat dissipation and corrosion resistance, making it suitable for Ford Mustang vehicles requiring dependable heating components.

Detailed Product Description

This HVAC heater core from Four Seasons, part number 90735, is crafted from aluminum to provide efficient heat exchange within the Ford Mustang's heating system. The core measures 7-5/8 inches in length, 6 inches in width, and 1-7/8 inches in thickness, with a core depth of 1.875 inches and height of 7.625 inches. The two inlet and outlet tubes measure 0.625 inch and 0.750 inch respectively, ensuring compatibility with the Mustang's existing HVAC plumbing. The fixed pipe positioning allows for straightforward installation without the need for adjustments.

Common Applications and Issues Addressed

  • Restores heating performance in Ford Mustang HVAC systems
  • Replaces leaking or clogged heater cores
  • Eliminates coolant odors inside the vehicle cabin
  • Prevents windshield fogging caused by heater core failure
  • Maintains proper engine temperature regulation through effective heat transfer

Installation Notes and Tips

When installing the Four Seasons Heater Core 90735, ensure the vehicle is cooled down and coolant is drained to avoid spills. The non-adjustable pipe positioning requires alignment with existing HVAC hoses for a direct fit. Inspect all connections for leaks after installation and refill the cooling system according to manufacturer specifications.

Quality Assurance and Warranty

This heater core meets or exceeds OEM standards, providing reliable performance for Ford Mustang vehicles. Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Refer to the manufacturer’s warranty documentation for specific terms related to part number 90735.

BrandFour Seasons
Part Number90735
PositionHeater Core
Length7-5/8
Thickness1-7/8
Width6
Core MaterialAluminum
Adjustable Pipe PositioningNo
Core Depth IN1.875
Core Height IN7.625
Core Width IN6.000
DescriptionHeater cores
Meets / Exceeds OEM?Yes
StyleAluminum heater core
Tube 1 IN0.625
Tube 1 MM15.875
Tube 2 IN0.750
Tube 2 MM19.050
TypeHeater core /aluminum

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2000FordMustangN/AHeater Core
1999FordMustangN/AHeater Core
1998FordMustangN/AHeater Core
1997FordMustangN/AHeater Core
1996FordMustangN/AHeater Core
1995FordMustangN/AHeater Core
1994FordMustangN/AHeater Core

* 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:

1119373518117032797233983075537356603455823133390102499073593735947359607198735F4ZZ18476AH2MZ18476BHC13HT8307XR3Z18476AA

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