Four Seasons 91629 HVAC Heater Core - Front

Four Seasons 91629 Heater Core for Ford Econoline

The Four Seasons Heater Core 91629 is a copper/brass HVAC heater core built for select Ford Econoline vans with standard heater configurations. It is an OE-style replacement that meets or exceeds OEM requirements and is sized for direct-fit service in supported applications.

• Copper core material with copper/brass heater core construction
• Core dimensions: 7-3/4 in. height, 7-3/4 in. width, 2 in. depth
• Tube size: 0.625 in. / 15.875 mm on both connections
• Meets or exceeds OEM specifications
• Four Seasons heater core part number 91629

Product Details

Four Seasons 91629 is part of the Heater Core product line, focused on HVAC core replacement for vehicles that need dependable cabin heat performance. This copper/brass heater core uses a traditional serviceable design and is listed for Ford E-100 Econoline, E-150 Econoline, E-250 Econoline, and E-350 Econoline applications across multiple model years. It is also referenced by part number 91629 in interchange listings for cross-checking during catalog lookup.

Fits 1989 Ford E-150 Econoline, front; Fits 1989 Ford E-150 Econoline Club Wagon, front; Fits 1989 Ford E-250 Econoline, front; Fits 1989 Ford E-250 Econoline Club Wagon, front; Fits 1989 Ford E-350 Econoline, front; Fits 1989 Ford E-350 Econoline Club Wagon, front. Fits 1988 Ford E-150 Econoline, front; Fits 1988 Ford E-150 Econoline Club Wagon, front; Fits 1988 Ford E-250 Econoline, front; Fits 1988 Ford E-250 Econoline Club Wagon, front; Fits 1988 Ford E-350 Econoline, front; Fits 1988 Ford E-350 Econoline Club Wagon, front. Fits 1986-1987 Ford E-150 Econoline, front; Fits 1986-1987 Ford E-150 Econoline Club Wagon, front; Fits 1986-1987 Ford E-250 Econoline, front; Fits 1986-1987 Ford E-250 Econoline Club Wagon, front; Fits 1986-1987 Ford E-350 Econoline, front; Fits 1986-1987 Ford E-350 Econoline Club Wagon, front. Fits 1985 Ford E-150 Econoline, front; Fits 1985 Ford E-150 Econoline Club Wagon, front; Fits 1985 Ford E-250 Econoline, front; Fits 1985 Ford E-250 Econoline Club Wagon, front; Fits 1985 Ford E-350 Econoline, front; Fits 1985 Ford E-350 Econoline Club Wagon, front. Fits 1975-1984 Ford E-150 Econoline, N/A; Fits 1975-1984 Ford E-150 Econoline Club Wagon, N/A; Fits 1975-1984 Ford E-250 Econoline, N/A; Fits 1975-1984 Ford E-250 Econoline Club Wagon, N/A; Fits 1975-1984 Ford E-350 Econoline, N/A; Fits 1977-1984 Ford E-350 Econoline Club Wagon, N/A; Fits 1975-1983 Ford E-100 Econoline, N/A; Fits 1975-1983 Ford E-100 Econoline Club Wagon, N/A.

Common Replacement Reasons

• Loss of cabin heat in Ford Econoline vans
• Coolant seepage from a worn heater core
• Restricted coolant flow through the HVAC core
• Interior fogging or sweet coolant odor from heater core failure
• Restoring heater performance on front HVAC systems

Installation Notes

Verify the vehicle’s heater configuration before ordering, especially on 1988 models with 90-degree tubes and 1985-1989 applications noted without air conditioning. Confirm core dimensions and tube orientation against the original unit before installation. This heater core is listed for front-position HVAC use in supported Ford Econoline applications.

Quality Assurance

Four Seasons identifies this heater core as meeting or exceeding OEM specifications, giving buyers a replacement option built to the expected factory fit and function standard for the listed Ford Econoline applications.