Dayco 87613 HVAC Heater Hose

Dayco Small I.D. Heater Hose 87613

Dayco 87613 is a Small I.D. Heater Hose built with EPDM construction and a black finish for heater circuit routing where a dual inside diameter is required. It features a 5/8 in. end on one side and a 3/4 in. end on the other, making it a direct match for select HVAC heater hose applications across Chevrolet Express, GMC Savana, Nissan Sentra, and other listed vehicles.

The Dayco Small I.D. Heater Hose line is focused on replacement routing for heater and coolant transfer points that use smaller hose diameters and formed connections. Part number 87613 follows SAE J20R3 Class D-1 and SAE J1684 Type EC specifications for the listed applications.

• EPDM heater hose construction
• Black exterior finish
• Dual I.D. hose design: 5/8 in. to 3/4 in.
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Direct-fit routing for select HVAC heater hose locations
• Cross-references ACDelco 14246S and Gates 18081 for the same application

Fitment Details

• Fits 2013-2016 Chevrolet Express 2500, Pipe-1 To Tee
• Fits 2006-2007 Chevrolet Express 2500, Pipe-1 To Tee
• Fits 2013-2016 Chevrolet Express 3500, Pipe-1 To Tee
• Fits 2006-2007 Chevrolet Express 3500, Pipe-1 To Tee
• Fits 2013-2016 GMC Savana 2500, Pipe-1 To Tee
• Fits 2006-2007 GMC Savana 2500, Pipe-1 To Tee
• Fits 2013-2016 GMC Savana 3500, Pipe-1 To Tee
• Fits 2006-2007 GMC Savana 3500, Pipe-1 To Tee
• Fits 2009 Chevrolet Express 2500, Heater Outlet, w/Aux. Heater
• Fits 2009 Chevrolet Express 3500, Heater Outlet, w/Aux. Heater
• Fits 2009 GMC Savana 2500, Heater Outlet, w/Aux. Heater
• Fits 2009 GMC Savana 3500, Heater Outlet, w/Aux. Heater
• Fits 1995-1999 Nissan Sentra, Heater To Intake Manifold
• Fits 1995-1998 Nissan 200SX, Heater To Intake Manifold
• Fits 1990-1994 Mitsubishi Mighty Max, Pipe To Intake Manifold
• Fits 1990-1994 Mitsubishi Montero, Pipe To Intake Manifold
• Fits 1990-1991 Dodge Ram 50, Pipe To Intake Manifold
• Fits 1990-1991 Subaru Legacy, Valve To Pipe-5
• Fits 1987 Plymouth Expo, Valve To Engine, w/A.C., Exc. H.O.
• Fits 1984-1987 Plymouth Turismo, Valve To Engine, Compatible with vehicles containing air conditioning.
• Fits 1984-1986 Dodge Charger, Valve To Engine, Compatible with vehicles containing air conditioning.
• Fits 1984-1986 Plymouth Turismo 2.2, Valve To Engine, Compatible with vehicles containing air conditioning.
• Fits 1984 Dodge Rampage, Valve To Engine, Compatible with vehicles containing air conditioning.
• Fits 1983 Dodge Charger, Valve To Intake Manifold, Compatible with vehicles containing air conditioning.
• Fits 1983 Dodge Rampage, Valve To Intake Manifold, Compatible with vehicles containing air conditioning.
• Fits 1983 Plymouth Turismo, Valve To Intake Manifold, Compatible with vehicles containing air conditioning.
• Fits 1983 Plymouth Turismo 2.2, Valve To Intake Manifold, Compatible with vehicles containing air conditioning.

What It Helps Address

• Cracked or hardened heater hose sections at small-diameter connections
• Coolant transfer issues at heater outlet, pipe-to-tee, and intake manifold routing points
• Leak-prone hose replacement on select Chevrolet Express and GMC Savana HVAC systems
• Service needs on Nissan Sentra and Nissan 200SX heater-to-intake manifold routing
• Replacement of aged EPDM hose in heater circuit applications

Installation Notes

Verify the hose routing, end diameters, and connection points before installation. This part is listed for specific positions including Pipe-1 To Tee, Heater Outlet, Heater To Intake Manifold, Pipe To Intake Manifold, Valve To Pipe-5, Valve To Engine, and Valve To Intake Manifold. Confirm the vehicle’s HVAC layout and auxiliary heater or air conditioning notes where shown in the fitment data.

Quality Assurance

Dayco 87613 is built to SAE J20R3 Class D-1 and SAE J1684 Type EC requirements for the listed applications, supporting specification-based replacement selection for HVAC heater hose service.