Gates
Molded Heater Hose

Gates 18450 HVAC Heater Hose - Tee To Engine

Brand Gates 18450
Position Tee To Engine
Material Epdm
End 1 Inside Diameter .56
End 1 Inside Diameter 14
End 2 Inside Diameter .76
End 2 Inside Diameter 19
Centerline Length 17.1
Centerline Length 434
Branch Quantity 0
9839 Yes
9845 0
Centerline Length (in) 17.1
Centerline Length (mm) 434
Molded Yes
Number of Quick Connect Fittings 0
Product line Molded Heater Hose
Fits Saturn · 10 vehicles

OEM-style fit. Factory-molded hose shape for application-specific routing in tight engine compartments.

EPDM construction. Built for coolant, water, and air service with marine application approval.

Cross-references CSF 10450, Gates 18450 and 16276M for the same application. See all 5.

$17.47Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $17.47
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Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

Gates 18450 is a molded heater hose built for tight engine bays and factory-style routing. It is an OEM-style coolant hose made from EPDM and shaped to match the application-specific path.

Compatible with Saturn L300, LW300, LS2, and LW2 applications, this molded heater hose supports coolant transfer where a formed hose is required. The Gates Molded Heater Hose line focuses on factory-molded fitment for compact engine compartments.

Key Features

  • Factory-molded design for application-specific routing
  • EPDM construction for coolant, water, and air service
  • Small inside diameters for tighter hose connections
  • Formed to fit compact engine compartment layouts
  • Approved for marine applications

Detailed Description

This Gates heater hose, part number 18450, is engineered as a molded replacement hose for systems that need a formed coolant path rather than a straight universal hose. The EPDM construction is suited for coolant circulation and related fluid or air transfer, while the molded shape helps match the original routing in space-limited engine compartments. For buyers searching for a Saturn L300 heater hose or a Saturn LW300 molded coolant hose, this part number 18450 provides a direct application-specific solution.

This part cross-references CSF 10450 for the same application.

What It Is Used For

  • Replacing a cracked or deteriorated molded heater hose
  • Restoring coolant flow through a formed hose route
  • Addressing leaks at hose bends or connection points
  • Matching an OEM-style hose path in a compact engine bay

Installation Notes and Tips

Verify hose routing, end diameters, and centerline length before installation. This molded hose is listed for tee-to-engine placement on the specified Saturn applications, so confirm the routing path matches the original layout. Inspect adjoining clamps, tees, and fittings for wear before installing the new hose.

Quality Assurance

Gates manufactures this molded heater hose as an OEM-style replacement part for application-specific fitment. Part number 18450 is built to Gates' molded hose standards for consistent routing and service use.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2005SaturnL3003.0LV6GASTee To EngineMolded Heater Hose
2004SaturnL3003.0LV6GASTee To EngineMolded Heater Hose
2003SaturnL3003.0LV6GASTee To EngineMolded Heater Hose
2003SaturnLW3003.0LV6GASTee To EngineMolded Heater Hose
2002SaturnL3003.0LV6GASTee To EngineMolded Heater Hose
2002SaturnLW3003.0LV6GASTee To EngineMolded Heater Hose
2001SaturnL3003.0LV6GASTee To EngineMolded Heater Hose
2001SaturnLW3003.0LV6GASTee To EngineMolded Heater Hose
2000SaturnLS23.0LV6GASTee To EngineMolded Heater Hose
2000SaturnLW23.0LV6GASTee To EngineMolded Heater Hose
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
CSF — 10450Gates — 1845016276M6421790573890