Gates
Molded Coolant Hose

Gates 23923 Radiator Coolant Hose - Engine To Valve

Brand Gates 23923
Position Engine To Valve
1
Yes
Branch Quantity 0
Centerline Length 26.5
Centerline Length 673
Contains Spring No
End 1 Inside Diameter .77
End 1 Inside Diameter 20
End 2 Inside Diameter .77
End 2 Inside Diameter 20
Material EPDM, Plastic, Steel
Modular Components Female Quick Connector
Modular Hose Yes
Molded Yes
Number of Quick Connect Fittings 1
Product line Molded Coolant Hose
Fits BMW · 46 vehicles

Molded coolant hose. Shaped for a precise fit and cleaner routing.

Modular assembly design. Includes an integrated female quick connector for easier service.

OE-style construction. Built to match OEM specifications with integrated components.

Cross-references Dayco 88504, Gates 23923 and Genuine 64218376999 for the same application. See all 7.

$44.20Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $44.20
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Gates Molded Coolant Hose 23923

Gates 23923 is a molded radiator coolant hose built for specific BMW engine-to-valve applications. It follows OE-style routing and integrates a female quick connector for a direct-fit cooling system connection.

Key Features

  • Molded coolant hose for engine-to-valve routing
  • OE-style modular hose construction
  • EPDM, plastic, and steel materials
  • One female quick connector integrated into the hose assembly
  • 26.5 in. centerline length for application-specific fitment
  • End inside diameter: 0.77 in. (20 mm) at both ends
  • No spring included

Product Details

The Gates Molded Coolant Hose line is built for vehicle-specific cooling system service, with modular components that mirror original equipment layouts. Part number 23923 is shaped for the correct engine-to-valve path and includes an integrated quick-connect fitting to match the factory-style connection used on select BMW cooling systems. This hose is a practical replacement for BMW 323Ci, 323i, 328i, 325i, 325xi, 330i, 330xi, 325Ci, and 330Ci applications where molded routing and connector style matter.

This part cross-references Dayco 88504 and Rein CHH0158R for the same application.

What It Helps Address

  • Coolant leaks from a cracked or aged radiator hose
  • Loss of proper coolant flow through the engine-to-valve circuit
  • Fitment issues caused by incorrect hose shape or connector style
  • Cooling system service on BMW models with molded hose routing
  • Replacement of a hose with worn quick-connect interface

Installation Notes

Verify the hose routing, connector style, and end diameters before installation. This hose is made for engine-to-valve placement on the listed BMW applications, including 1996-2000 BMW 328i, 1998-2000 BMW 323i, 2000 BMW 323Ci, 2001-2005 BMW 325i, 325xi, 330i, and 330xi, and 2001-2006 BMW 325Ci and 330Ci. Inspect adjoining cooling system components for wear, contamination, or damage before reassembly.

Quality Assurance

Gates is a recognized aftermarket supplier in modular coolant hose assemblies, and this hose is manufactured to application-specific specifications with OE-style integrated components for the listed BMW fitments.

This part fits 46 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2006BMW325Ci2.5LL6GASEngine To ValveMolded Coolant Hose
2006BMW330Ci3.0LL6GASEngine To ValveMolded Coolant Hose
2005BMW320i2.2LL6GASEngine To ValveMolded Coolant Hose
2005BMW325Ci2.5LL6GASEngine To ValveMolded Coolant Hose
2005BMW325i2.5LL6GASEngine To ValveMolded Coolant Hose
2005BMW325xi2.5LL6GASEngine To ValveMolded Coolant Hose
2005BMW330Ci3.0LL6GASEngine To ValveMolded Coolant Hose
2005BMW330i3.0LL6GASEngine To ValveMolded Coolant Hose
2005BMW330xi3.0LL6GASEngine To ValveMolded Coolant Hose
2004BMW320i2.2LL6GASEngine To ValveMolded Coolant Hose
2004BMW325Ci2.5LL6GASEngine To ValveMolded Coolant Hose
2004BMW325i2.5LL6GASEngine To ValveMolded Coolant Hose
2004BMW325xi2.5LL6GASEngine To ValveMolded Coolant Hose
2004BMW330Ci3.0LL6GASEngine To ValveMolded Coolant Hose
2004BMW330i3.0LL6GASEngine To ValveMolded Coolant Hose
2004BMW330xi3.0LL6GASEngine To ValveMolded Coolant Hose
2003BMW320i2.2LL6GASEngine To ValveMolded Coolant Hose
2003BMW325Ci2.5LL6GASEngine To ValveMolded Coolant Hose
2003BMW325i2.5LL6GASEngine To ValveMolded Coolant Hose
2003BMW325xi2.5LL6GASEngine To ValveMolded Coolant Hose
2003BMW330Ci3.0LL6GASEngine To ValveMolded Coolant Hose
2003BMW330i3.0LL6GASEngine To ValveMolded Coolant Hose
2003BMW330xi3.0LL6GASEngine To ValveMolded Coolant Hose
2002BMW320i2.2LL6GASEngine To ValveMolded Coolant Hose
2002BMW325Ci2.5LL6GASEngine To ValveMolded Coolant Hose
2002BMW325i2.5LL6GASEngine To ValveMolded Coolant Hose
2002BMW325xi2.5LL6GASEngine To ValveMolded Coolant Hose
2002BMW330Ci3.0LL6GASEngine To ValveMolded Coolant Hose
2002BMW330i3.0LL6GASEngine To ValveMolded Coolant Hose
2002BMW330xi3.0LL6GASEngine To ValveMolded Coolant Hose
2001BMW320i2.2LL6GASEngine To ValveMolded Coolant Hose
2001BMW325Ci2.5LL6GASEngine To ValveMolded Coolant Hose
2001BMW325i2.5LL6GASEngine To ValveMolded Coolant Hose
2001BMW325xi2.5LL6GASEngine To ValveMolded Coolant Hose
2001BMW330Ci3.0LL6GASEngine To ValveMolded Coolant Hose
2001BMW330i3.0LL6GASEngine To ValveMolded Coolant Hose
2001BMW330xi3.0LL6GASEngine To ValveMolded Coolant Hose
2000BMW323Ci2.5LL6GASEngine To ValveMolded Coolant Hose
2000BMW323i2.5LL6GASEngine To ValveMolded Coolant Hose
2000BMW328i2.8LL6GASEngine To ValveMolded Coolant Hose
1999BMW323i2.5LL6GASEngine To ValveMolded Coolant Hose
1999BMW328i2.8LL6GASEngine To ValveMolded Coolant Hose
1998BMW323i2.5LL6GASEngine To ValveMolded Coolant Hose
1998BMW328i2.8LL6GASEngine To ValveMolded Coolant Hose
1997BMW328i2.8LL6GASEngine To ValveMolded Coolant Hose
1996BMW328i2.8LL6GASEngine To ValveMolded Coolant Hose
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dayco — 88504Gates — 23923Genuine — 64218376999Rein — CHH0158RWalker Exhaust — 1659222741LR19165