Gates 19303 HVAC Heater Hose - Heater To Pipe-1
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Gates
 Molded Heater Hose

Gates 19303 HVAC Heater Hose - Heater To Pipe-1

Brand Gates 19303
Position Heater To Pipe-1
Material Epdm
End 1 Inside Diameter .63
End 1 Inside Diameter 16
End 2 Inside Diameter .66
End 2 Inside Diameter 17
Centerline Length 24.274
Centerline Length 617
Branch Quantity 0
9839 Yes
9845 0
Centerline Length (in) 24.274
Centerline Length (mm) 617
Molded Yes
Number of Quick Connect Fittings 0
Product line Molded Heater Hose
Fits Toyota · 3 vehicles

OEM-style fit. Factory-molded hose shape for compact engine compartment routing.

EPDM construction. Built for coolant, water, and air service in HVAC systems.

Marine approved. Suitable for marine applications in addition to automotive use.

Cross-references BBB Industries 11303, Gates 19303 and 18298L for the same application. See all 5.

$34.81Free shipping
In stock · usually ships same day before 1pm CST
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Order total $34.81
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Overview

Gates 19303 is a molded heater hose built for compact engine layouts and direct coolant routing. It is an OEM-style replacement for heating and cooling system service, with fitment for the heater-to-pipe connection on select Toyota RAV4 models.

Key Features

  • Factory-molded shape for tight engine compartment routing
  • EPDM construction for coolant, water, and air service
  • Small inside diameter ends for precise hose connection fit
  • Approved for marine applications
  • Gates Molded Heater Hose line for HVAC and coolant transfer service

Detailed Description

This Gates molded heater hose, part number 19303, is shaped to follow the original routing used in compact engine bays. The EPDM construction supports heater and coolant transfer applications, while the molded design helps maintain a clean path between connection points. It is a practical replacement for Toyota RAV4 heater hose service where the original hose follows a formed path rather than a straight run. This part cross-references BBB Industries 11303 for the same application.

Common Uses

  • Replacing a cracked or leaking heater hose
  • Restoring coolant flow through the heater circuit
  • Addressing hose collapse or hardening from age and heat
  • Correcting fit issues caused by a straight hose in a molded application

Installation Notes and Tips

Fits 2001-2003 Toyota RAV4, Heater To Pipe-1. Verify hose routing, end diameters, and connection points before installation. Match the molded shape to the original hose path to avoid kinks or tension at the fittings.

Quality Assurance

Gates designs this molded hose as an OEM-style replacement for service in tight engine compartments. The 19303 part number is used for this application and should be confirmed against the vehicle’s original hose configuration before installation.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2003ToyotaRAV42.0LL4GASHeater To Pipe-1Molded Heater Hose
2002ToyotaRAV42.0LL4GASHeater To Pipe-1Molded Heater Hose
2001ToyotaRAV42.0LL4GASHeater To Pipe-1Molded Heater Hose
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 11303Gates — 1930318298L645048724542190