HomeBelts and Cooling > Hoses and PipesGates 23957 Radiator Coolant Hose - Heater Inlet
Part #: 23957

Gates 23957 Radiator Coolant Hose - Heater Inlet

Molded Coolant Hose, Heater Inlet
⚙️ 16 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$39.17Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Heater Inlet
🚗Fitment: Ram, 2500 and 3500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Coolant Hose for Ram 2500 and 3500

The Gates Molded Coolant Hose 23957 is engineered to provide dependable cooling system performance for Ram 2500 and 3500 models. Designed with durable materials and precise dimensions, this radiator coolant hose ensures a secure fit and efficient coolant flow.

  • Constructed from EPDM, plastic, and steel for durability and heat resistance
  • Compatible with Ram 2500 and 3500 models
  • Centerline length of 14.4 inches (366 mm) for exact fitment
  • Inside diameter of 0.63 inches (16 mm) on both ends
  • Includes one female quick connector for easy installation
  • Molded design for enhanced strength and leak prevention
  • Part number 23957 for accurate identification

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses that integrate molded construction and modular components. This design approach improves hose reliability and fitment accuracy, reducing the risk of leaks and premature failure. The inclusion of a female quick connector in this product line simplifies installation and maintenance for compatible vehicles.

Product Details and Specifications

This radiator coolant hose is made from a combination of EPDM rubber, plastic, and steel, materials chosen for their resistance to heat, pressure, and chemical degradation. Both ends of the hose have an inside diameter of 0.63 inches (16 mm), ensuring compatibility with the cooling system fittings on Ram 2500 and 3500 trucks. The hose measures 14.4 inches (366 mm) in centerline length, providing a precise fit without the need for modifications. The molded construction enhances durability and helps maintain a secure seal under varying operating conditions. Additionally, the hose features one female quick connector, facilitating a straightforward connection to the vehicle’s cooling system.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses on Ram 2500 and 3500
  • Addressing coolant leaks caused by hose degradation or poor fitment
  • Upgrading to a molded hose for improved durability and leak resistance
  • Resolving overheating issues related to coolant flow restrictions
  • Maintaining proper coolant circulation to prevent engine damage

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the inside diameters and centerline length match the original hose to guarantee proper fitment. The female quick connector included with this hose allows for a secure and efficient connection; make sure it clicks into place fully. Inspect surrounding components for wear or damage during installation and replace as necessary to maintain system integrity.

Quality Assurance and Warranty

Gates Molded Coolant Hose 23957 is manufactured to meet strict quality standards for automotive cooling system components. The use of EPDM, plastic, and steel materials ensures resistance to heat and chemical exposure typical in engine environments. While specific warranty details are not provided, Gates products are generally backed by manufacturer quality guarantees to support reliable performance in Ram 2500 and 3500 vehicles.

BrandGates
Part Number23957
PositionMolded Coolant Hose, Heater Inlet
MaterialEpdm, plastic, steel
End 1 Inside Diameter.63
End 1 Inside Diameter16
End 2 Inside Diameter.63
End 2 Inside Diameter16
Contains SpringNo
Centerline Length14.4
Centerline Length366
Branch Quantity0
9839Yes
98451
Modular ComponentsFemale quick connector
Modular HoseYes
MoldedYes
Number of Quick Connect Fittings1

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2018Ram25006.7LL6DIESELHeater InletMolded Coolant Hose
2018Ram35006.7LL6DIESELHeater InletMolded Coolant Hose
2017Ram25006.7LL6DIESELHeater InletMolded Coolant Hose
2017Ram35006.7LL6DIESELHeater InletMolded Coolant Hose
2016Ram25006.7LL6DIESELHeater InletMolded Coolant Hose
2016Ram35006.7LL6DIESELHeater InletMolded Coolant Hose
2015Ram25006.7LL6DIESELHeater InletMolded Coolant Hose
2015Ram35006.7LL6DIESELHeater InletMolded Coolant Hose
2014Ram25006.7LL6DIESELHeater InletMolded Coolant Hose
2014Ram35006.7LL6DIESELHeater InletMolded Coolant Hose
2013Ram25006.7LL6DIESELHeater InletMolded Coolant Hose
2013Ram35006.7LL6DIESELHeater InletMolded Coolant Hose
2012Ram25006.7LL6DIESELHeater InletMolded Coolant Hose
2012Ram35006.7LL6DIESELHeater InletMolded Coolant Hose
2011Ram25006.7LL6DIESELHeater InletMolded Coolant Hose
2011Ram35006.7LL6DIESELHeater InletMolded 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:

1662122748M2395752014739AB52014739AC52014739AD52014739AE52014739AF55056966AA

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