Gates
Molded Coolant Hose

Gates 23728 Radiator Coolant Hose - Lower

Brand Gates 23728
Position Lower
0
Yes
Branch Quantity 0
Centerline Length 13.3
Centerline Length 338
Contains Spring No
End 1 Inside Diameter 1.31
End 1 Inside Diameter 33
End 2 Inside Diameter 1.44
End 2 Inside Diameter 37
Material EPDM
Modular Hose No
Molded Yes
Number of Quick Connect Fittings 0
Product line Molded Coolant Hose
Fits Toyota · 4 vehicles

OEM-quality specifications. Molded coolant hose built to match replacement needs.

EPDM construction. Resists heat and coolant exposure for dependable service.

Molded design. Fits coolant routing with a formed shape.

Cross-references Bosch 66209, Gates 23728 and Quality-Built 16416 for the same application. See all 5.

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Order total $33.13
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Free returns within 60 days if it doesn't fit when fitment is verified.

Gates 23728 Molded Coolant Hose for RAV4

The Gates 23728 molded coolant hose is built for lower radiator hose service on select Toyota RAV4 models. Made from EPDM and formed to OEM-quality specifications, it provides the correct shape and fit for a direct replacement on 2009-2012 Toyota RAV4 lower coolant hose applications.

Key Features

  • Gates Molded Coolant Hose line for radiator and cooling system service
  • EPDM construction for coolant-system durability
  • Molded profile for accurate routing and fit
  • End 1 inside diameter: 1.31 in. (33 mm)
  • End 2 inside diameter: 1.44 in. (37 mm)
  • Centerline length: 13.3 in. (338 mm)
  • No spring and no quick-connect fittings

Product Details

Gates Part Number 23728 is a molded radiator coolant hose engineered for lower hose replacement service. The molded shape helps match the factory routing on the cooling system, which is important for maintaining proper clearance and hose alignment in the Toyota RAV4. This Gates 23728 hose is listed for 2009-2012 Toyota RAV4 lower applications and is part of Gates’ molded coolant hose line, which covers upper, lower, bypass, heater, and other coolant hose needs with OEM-style specifications.

This part cross-references Bosch 66209 for the same application.

Common Problems This Hose Can Address

  • Cracked or aged lower radiator hose material
  • Coolant leaks at the hose body or connection points
  • Softening, swelling, or collapse from heat and coolant exposure
  • Poor hose routing caused by a worn or misshaped replacement hose
  • Cooling system service needs on a 2009-2012 Toyota RAV4

Installation Notes and Tips

Verify the hose shape, end diameters, and centerline length against the original part before installation. Drain the cooling system as needed, inspect the mating necks and clamps, and confirm the hose is routed without twists or contact with moving or hot components. For best results, replace any damaged clamps or worn sealing surfaces during the repair.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for cooling system replacement work. The EPDM construction and molded design support consistent fitment for the specified Toyota RAV4 lower hose application.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2012ToyotaRAV42.5LL4GASLowerMolded Coolant Hose
2011ToyotaRAV42.5LL4GASLowerMolded Coolant Hose
2010ToyotaRAV42.5LL4GASLowerMolded Coolant Hose
2009ToyotaRAV42.5LL4GASLowerMolded Coolant Hose
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 66209Gates — 23728Quality-Built — 1641620554S1657236040