HomeBelts and Cooling > Hoses and PipesGates 51419 Radiator Coolant Hose - Upper
Part #: 51419

Gates 51419 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Upper
🚗Fitment: Mercedes-Benz, E350 and E550
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Molded Coolant Hose 51419

The Gates Molded Coolant Hose 51419 is designed specifically for Mercedes-Benz E350 and E550 models. Engineered with durable EPDM, plastic, and steel materials, this radiator coolant hose ensures reliable coolant flow and system integrity.

  • Constructed from EPDM, plastic, and steel for durability and heat resistance
  • Molded design with a centerline length of 24.25 inches (616 mm)
  • End 1 inside diameter: 1.3 inches (33 mm); End 2 inside diameter: 1.4 inches (36 mm)
  • Includes three quick connect fittings: female quick connector and two male/female Henn quick connectors
  • Modular hose design without internal springs

Details on the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-engineered radiator coolant hoses that feature molded construction for exact fit and reliable sealing. This product line incorporates modular components such as quick connectors to facilitate efficient installation and maintenance. The 51419 hose exemplifies these qualities with its molded shape and integrated quick connect fittings, tailored for specific Mercedes-Benz applications.

Product Description and Specifications

The Gates Molded Coolant Hose 51419 is a radiator coolant hose designed to maintain optimal coolant circulation in Mercedes-Benz E350 and E550 vehicles. Its construction from EPDM rubber, plastic, and steel provides resistance to heat, pressure, and chemical degradation commonly found in cooling systems. The hose measures 24.25 inches (616 mm) in centerline length, with end diameters of 1.3 inches (33 mm) and 1.4 inches (36 mm) to match OEM specifications. The absence of internal springs reduces potential failure points, while the inclusion of three quick connect fittings—female quick connector and two Henn quick connectors (male and female)—ensures secure and modular connections within the cooling system.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Mercedes-Benz E350 and E550
  • Addressing coolant leaks caused by hose degradation or connector failure
  • Restoring proper coolant flow to prevent engine overheating
  • Upgrading to a molded hose for improved fit and sealing compared to generic hoses
  • Facilitating easier maintenance with modular quick connect fittings

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51419, ensure compatibility with the Mercedes-Benz E350 or E550 cooling system. Verify that the quick connect fittings align properly with the vehicle’s connectors to avoid leaks. It is recommended to inspect surrounding components such as clamps and radiator connections for wear during replacement. Properly secure all fittings and check for coolant leaks after installation.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 51419 to meet or exceed OEM standards for durability and performance. The use of EPDM, plastic, and steel materials ensures resistance to heat and chemical exposure typical in automotive cooling systems. While specific warranty details are not provided, Gates products generally come with manufacturer-backed quality assurance to support reliable operation in Mercedes-Benz E350 and E550 vehicles.

BrandGates
Part Number51419
PositionMolded Coolant Hose, Upper
MaterialEpdm, plastic, steel
End 1 Inside Diameter1.3
End 1 Inside Diameter33
End 2 Inside Diameter1.4
End 2 Inside Diameter36
Contains SpringNo
Centerline Length24.25
Centerline Length616
Branch Quantity0
9839Yes
98453
Modular ComponentsFemale quick connector, 2 henn quick connectors
Modular ComponentsFemale quick connector, 2 male quick connectors
Modular HoseYes
MoldedYes
Number of Quick Connect Fittings3

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2009Mercedes-BenzE3503.5LV6GASUpperMolded Coolant Hose
2008Mercedes-BenzE3503.5LV6GASUpperW/4MATIC; Molded Coolant Hose
2007Mercedes-BenzE3503.5LV6GASUpperW/O PZEV Emissions; Molded Coolant Hose
2007Mercedes-BenzE5505.5LV8GASUpperW/O PZEV Emissions; Molded Coolant Hose
2006Mercedes-BenzE3503.5LV6GASUpperW/O PZEV Emissions; Molded Coolant Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

211501648224819L5141973098E73098R28573

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.