Gates
Molded Coolant Hose

Gates 23745 Radiator Coolant Hose - Upper

Brand Gates 23745
Position Upper
2
Yes
Branch Quantity 0
Centerline Length 21
Centerline Length 533
Contains Spring No
End 1 Inside Diameter 1.25
End 1 Inside Diameter 32
End 2 Inside Diameter 1.25
End 2 Inside Diameter 32
Material EPDM, Plastic, Steel
Modular Components 2 Henn Quick Connectors
Modular Components 2 Male Quick Connectors
Modular Hose Yes
Molded Yes
Number of Quick Connect Fittings 2
Product line Molded Coolant Hose
Fits Mercedes-Benz · 3 vehicles

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

Modular assembly design. Includes integrated quick-connect fittings for easier service.

EPDM construction. Combines rubber, plastic, and steel for dependable cooling performance.

Cross-references Bosch 16433, Dayco 72787 and Gates 23745 for the same application. See all 9.

$79.63Free 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 $79.63
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Gates 23745 Molded Coolant Hose Overview

The Gates 23745 molded coolant hose is a radiator coolant hose built for specific vehicle applications with OE-style routing and integrated modular components. It is made from EPDM, plastic, and steel and uses molded construction to match the shape and connection points required for proper coolant flow.

Compatible with 2003-2005 Mercedes-Benz C230 upper coolant hose applications, this part supports a direct-fit repair for the cooling system. The Gates 23745 is part of the Molded Coolant Hose line, which focuses on application-specific hoses with integrated OE-style features.

Key Features

  • Molded radiator coolant hose for application-specific fitment
  • Constructed from EPDM, plastic, and steel
  • Centerline length: 21 in. (533 mm)
  • End 1 inside diameter: 1.25 in. (32 mm)
  • End 2 inside diameter: 1.25 in. (32 mm)
  • Includes 2 male quick connectors and 2 Henn quick connectors
  • No spring included
  • Designed for upper hose routing on select Mercedes-Benz C230 models

Product Line Details

Gates Molded Coolant Hose products are built for specific applications and follow OE-style specifications. This line is engineered to incorporate essential integrated components such as hose branches, quick-connectors, sensors, and restrictors when required by the vehicle design. Part number 23745 reflects that modular approach for the 2003-2005 Mercedes-Benz C230 upper hose location.

Detailed Description

Gates 23745 is a molded radiator coolant hose for the cooling system on 2003-2005 Mercedes-Benz C230 models in the upper position. The molded shape helps maintain the correct hose path, while the integrated quick-connect fittings support the factory-style connection layout used on the vehicle. If you are replacing a worn, cracked, or leaking upper coolant hose on a Mercedes-Benz C230, this part provides the correct application-specific configuration. This part cross-references Dayco 72787 for the same application.

Common Cooling System Issues It May Address

  • Coolant leaks from a cracked or deteriorated upper hose
  • Softening, swelling, or collapse of the original hose
  • Improper hose routing after a previous repair
  • Failed quick-connect interface at the hose ends
  • Cooling system service on a 2003-2005 Mercedes-Benz C230

Installation Notes and Tips

Before installation, verify the vehicle year, make, model, and upper hose routing against the existing part. Inspect the mating connectors, clamps, and nearby cooling system components for wear or contamination before connecting the new hose. After installation, refill and bleed the cooling system according to the vehicle service procedure and check for leaks at operating temperature.

Quality Assurance

Gates is a recognized automotive aftermarket supplier with a focus on modular coolant hose assemblies that follow OE-style application requirements. Part number 23745 is built for the specified Mercedes-Benz C230 fitment and uses materials selected for cooling system service.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2005Mercedes-BenzC2301.8LL4GASUpperMolded Coolant Hose
2004Mercedes-BenzC2301.8LL4GASUpperMolded Coolant Hose
2003Mercedes-BenzC2301.8LL4GASUpperMolded Coolant Hose
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 16433Dayco — 72787Gates — 23745Rein — CHR0195R24708L672162035015782E72787R28186