Four Seasons 91729 HVAC Heater Core - Front

Four Seasons 91729 Heater Core Overview

The Four Seasons 91729 heater core is a copper/brass HVAC heater core built for direct-fit replacement in select Volvo applications. It measures 8-1/2 inches long, 7-3/8 inches wide, and 2 inches thick, with 5/8-inch inlet and outlet tubes for a straightforward service replacement.

Compatible with 1990-1993 Volvo 240 models, including vehicles equipped with air conditioning, and 1984 Volvo DL and GLE front heater core applications. This Four Seasons heater core 91729 meets or exceeds OEM requirements for the listed fitments.

Key Features

• Copper core material with copper/brass heater core construction
• Dimensions: 8-1/2 in. length, 7-3/8 in. width, 2 in. depth
• 5/8 in. tube size on both connections
• Meets or exceeds OEM specifications for listed applications
• Direct replacement for Volvo 240, DL, and GLE heater core service

Product Details

Four Seasons Heater Core line parts are built for HVAC service work where accurate fit and thermal transfer matter. Part number 91729 uses a copper core with copper/brass heater core styling, giving technicians a serviceable replacement for the factory heater core in the specified Volvo vehicles. The compact core dimensions and fixed pipe positioning support installation in the original heater box layout without adjustable pipe positioning.

This part cross-references APDI 9010190 and CSF 2614 for the same application. For Volvo 240 heater core replacement, Volvo DL front heater core service, or Volvo GLE front heater core replacement, Four Seasons 91729 provides a direct-match option for the listed years and positions.

Common Problems This Part Can Address

• Loss of cabin heat from a leaking or restricted heater core
• Coolant odor inside the passenger compartment
• Fogging or film on the windshield caused by heater core seepage
• Uneven or weak heat output from the HVAC system
• Coolant loss traced to the heater core circuit

Installation Notes and Tips

Verify the core dimensions, tube size, and vehicle fitment before installation. This heater core is listed for 1990-1993 Volvo 240 models, including air-conditioned vehicles, and 1984 Volvo DL and GLE front applications. Confirm hose routing and heater box condition during service, and inspect related HVAC seals, clamps, and coolant hoses before reassembly.

Quality Assurance

Four Seasons 91729 is listed as meeting or exceeding OEM requirements for the specified applications. The Four Seasons Heater Core line is intended for replacement service where factory-style fit and function are required.