Dayco 88376 HVAC Heater Hose

Dayco Small I.D. Heater Hose 88376

Dayco 88376 is a Small I.D. Heater Hose built for heater circuit routing where a 3/4 in. inside diameter is required. Made from EPDM and finished in black, it is specified to SAE J20R3 Class D-1 and SAE J1684 Type EC standards for heater hose applications.

This Dayco Small I.D. Heater Hose line is used for direct heater hose replacement in vehicles that need a compact, single I.D. hose layout. The 88376 part number is commonly searched for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis heater hose service, along with select Chrysler, Dodge, Chevrolet, Pontiac, and Nissan applications.

• EPDM construction for heater hose service
• 3/4 in. inside diameter at both ends
• Single I.D. hose design
• Black exterior for a factory-style appearance
• Built to SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Dayco 88376 small I.D. heater hose for routing between heater and engine cooling system components

Fitment and application details

• Fits 2005-2008 Chrysler 300, Tee To Pipe; hose must be cut on both ends; Small I.D. Heater Hose
• Fits 2006-2008 Dodge Charger, Tee To Pipe; hose must be cut on both ends; Small I.D. Heater Hose
• Fits 2008 Dodge Charger, Tee To Pipe; Small I.D. Heater Hose
• Fits 2005-2008 Dodge Magnum, Tee To Pipe; hose must be cut on both ends; Small I.D. Heater Hose
• Fits 1998-2003 Lincoln Town Car, Intake Manifold To Heater; Small I.D. Heater Hose
• Fits 1998-2000 Ford Crown Victoria, Intake Manifold To Heater; Small I.D. Heater Hose
• Fits 1998 Mercury Grand Marquis, Intake Manifold To Heater; Small I.D. Heater Hose
• Fits 1995-1998 Nissan 240SX, Valve To Pipe; Small I.D. Heater Hose
• Fits 1995-1997 Ford Crown Victoria, Engine To Heater; w/o Auto Temp. Control; Small I.D. Heater Hose
• Fits 1996-1997 Lincoln Town Car, Heater Inlet; fits models with Auto Temp. Control.; Small I.D. Heater Hose
• Fits 1995-1997 Mercury Grand Marquis, Engine To Heater; w/o Auto Temp. Control; Small I.D. Heater Hose
• Fits 1994 Ford Crown Victoria, Heater To Engine; w/o Auto Temp. Control, Curved; Small I.D. Heater Hose
• Fits 1994 Mercury Grand Marquis, Heater To Engine; w/o Auto Temp. Control, Curved; Small I.D. Heater Hose
• Fits 1992-1993 Ford Crown Victoria, Heater To Pipe; w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
• Fits 1991-1993 Lincoln Town Car, Heater To Pipe; w/o Auto Temp. Control; Small I.D. Heater Hose
• Fits 1992-1993 Mercury Grand Marquis, Heater To Intake Manifold; w/o Auto Temp. Control; Small I.D. Heater Hose
• Fits 1987-1992 Chevrolet Camaro, Pipe To Valve; compatible with vehicles containing air conditioning.; Small I.D. Heater Hose
• Fits 1987-1992 Pontiac Firebird, Pipe To Valve; compatible with vehicles containing air conditioning.; Small I.D. Heater Hose

What this heater hose is used for

• Replacing a cracked or softened heater hose in the cooling system
• Restoring heater flow between the engine, intake manifold, valve, pipe, or heater inlet
• Servicing vehicles that require a 3/4 in. small I.D. heater hose layout
• Addressing coolant seepage at hose connections caused by age or heat cycling
• Supporting heater circuit repairs on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis applications

Installation notes and quality assurance

Verify the hose routing, end diameter, and position before installation. Some applications require the hose to be cut on both ends, and certain fitments note specific equipment such as air conditioning or auto temperature control. This part cross-references Ford 1W1H-18K579-AA and Gates 19632 for the same application.

Dayco 88376 is manufactured to published SAE heater hose specifications and uses EPDM construction for heater system service. Confirm fitment against the vehicle’s original hose path before final installation.