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SY23631 : Forklift  RADIATOR HOSE SY23631 : Forklift RADIATOR HOSE

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ET21248 : Forklift  RADIATOR HOSE ET21248 : Forklift RADIATOR HOSE

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82-830 : Forklift  RADIATOR HOSE 82-830 : Forklift RADIATOR HOSE

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3064587 : Forklift  RADIATOR HOSE 3064587 : Forklift RADIATOR HOSE

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SY800056 :  Forklift RADIATOR HOSE (LOWER) SY800056 : Forklift RADIATOR HOSE (LOWER)

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SY800188 :  Forklift RADIATOR HOSE (LOWER) SY800188 : Forklift RADIATOR HOSE (LOWER)

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SY23093 :  Forklift RADIATOR HOSE SY23093 : Forklift RADIATOR HOSE

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SY31848 :  Forklift RADIATOR HOSE SY31848 : Forklift RADIATOR HOSE

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SY54124 :  Forklift RADIATOR HOSE SY54124 : Forklift RADIATOR HOSE

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SY48041 :  Forklift RADIATOR HOSE UPPER SY48041 : Forklift RADIATOR HOSE UPPER

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SY51669 :  Forklift RADIATOR HOSE UPPER SY51669 : Forklift RADIATOR HOSE UPPER

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SY73586 :  Forklift RADIATOR HOSE LOWER SY73586 : Forklift RADIATOR HOSE LOWER

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SY73591 :  Forklift RADIATOR HOSE SY73591 : Forklift RADIATOR HOSE

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82-138 : Forklift  RADIATOR HOSE UPPER 82-138 : Forklift RADIATOR HOSE UPPER

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82-318 : Forklift  RADIATOR HOSE 82-318 : Forklift RADIATOR HOSE

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82-324 : Forklift  RADIATOR HOSE LOWER 82-324 : Forklift RADIATOR HOSE LOWER

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294-1057 : Forklift  RADIATOR HOSE 294-1057 : Forklift RADIATOR HOSE

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294-1063 : Forklift  RADIATOR HOSE LOWER 294-1063 : Forklift RADIATOR HOSE LOWER

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294-1080 : Forklift  RADIATOR HOSE UPPER 294-1080 : Forklift RADIATOR HOSE UPPER

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294-3062 : Forklift  RADIATOR HOSE UPPER 294-3062 : Forklift RADIATOR HOSE UPPER

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SY52592 :  Forklift RADIATOR HOSE (UPPER) SY52592 : Forklift RADIATOR HOSE (UPPER)

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ET21026 : Forklift  RADIATOR HOSE (UPPER) ET21026 : Forklift RADIATOR HOSE (UPPER)

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82-230 : Forklift  RADIATOR HOSE (UPPER) 82-230 : Forklift RADIATOR HOSE (UPPER)

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J15-15082 : Forklift  RADIATOR HOSE (UPPER) J15-15082 : Forklift RADIATOR HOSE (UPPER)

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294-2037 : Forklift  RADIATOR HOSE (UPPER) 294-2037 : Forklift RADIATOR HOSE (UPPER)

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SY39614 :  Forklift RADIATOR HOSE LOWER SY39614 : Forklift RADIATOR HOSE LOWER

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SY23088 :  Forklift RADIATOR HOSE (UPPER) SY23088 : Forklift RADIATOR HOSE (UPPER)

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SY23173 :  Forklift RADIATOR HOSE (LOWER) SY23173 : Forklift RADIATOR HOSE (LOWER)

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SY31844 :  Forklift RADIATOR HOSE (UPPER) SY31844 : Forklift RADIATOR HOSE (UPPER)

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SY31860 :  Forklift RADIATOR HOSE (LOWER) SY31860 : Forklift RADIATOR HOSE (LOWER)

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SY34297 :  Forklift RADIATOR HOSE (LOWER) SY34297 : Forklift RADIATOR HOSE (LOWER)

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SY73590 :  Forklift RADIATOR HOSE SY73590 : Forklift RADIATOR HOSE

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Forklift radiator hoses

Reading time: 2 min 37 sec

We know that sometimes it could be challenging to find a specific radiator hose for your forklift, but our competent team can help you. We make the selection process easier to find a good quality radiator hose at a reasonable cost. So, do not hesitate to contact us.

Save your money at our shop. Buy new forklift radiator hoses at low prices with quality guaranteed. We count with Quick Shipping & Delivery and international shipping.

Summary

The following technical information allows the reader to know more about the radiator hoses and their functioning within the cooling system of an internal combustion engine. Besides, you will find the selection criteria to acquire the correct replacement for your radiator hose and some tips about the common problems presented in this device.

Table of content

  1. What are the radiator hoses?

  2. How the radiator hoses work

  3. How to choose the correct forklift radiator hose

  4. How to check the condition of the radiator hoses

  5. Common problems of a radiator hose

What are the radiator hoses?

The hoses are rubber tubes. Its construction material gives them an excellent resistance to handle high pressures and temperatures.These hoses are part of a forklift cooling system.They permit the coolant to pass between the engine body and the radiator.


Figure 1. Radiator hose

How the radiator hoses work

The radiator hoses are two, and they work as follow:

Upper-radiator hose: Its function is to receive the hot coolant from the engine body through a thermostat valve. The other extreme of this hose is connected to the upper radiator tank, where the fluid is delivered.

Lower-radiator hose: This hose connects the tank located at the bottom of the radiator with the water pump of the forklift cooling system. Through this hose, the coolant (with a low temperature) is pumped towards the engine body.

How to choose the correct forklift radiator hose

  • What hose do you need to replace?: The first thing we must ensure. The reason is that the upper and lower radiator hoses are not the same. Both hoses differ in their shape and dimensions (figure 2). Commonly, the lower radiator hose has a wound wire spring to avoid collapsing.


Figure 2. Differents sizes and shapes of radiator hoses

  • Type: According to its synthetic rubber composition, the hose will have some properties and temperature resistance. Table 1 has information about the hose types.

Table 1. Cooling system hoses type and relative parameters


Parameter

Material

Typical Temp. range (°C)

Type A

Silicon

-55 to 175

Type B

NBR

-40 to 100

Type C

CR

-40 to 100

Type D-1

EPDM

-40 to 125

Type D-2

EPDM

-40 to 125

Type D-3

EPDM

-40 to 150

Type E

EPDM/Fiber

-40 to 125


  • Dimensions: Compare the length and the small and large diameter of your damaged hose with the new one.

How to check the condition of the radiator hoses

  1. Identify where the radiator hoses are. Generally, they are bigger than the other hose types and have a determined shape.

  2. Touch the hoses and squeeze them to check the condition. They must have a certain flexibility and have springiness. A hose soft, weak, or brittle needs a replacement.

  3. Check the condition of its respective clamps. If they are rusty, their replacement is recommended. This action assures the seal on the hose connection and its stability.

This video explains how to check and replace a radiator hose:

Common problems of a radiator hose

The below are the common problems why the radiator hose gets damaged:

  • Heat. A radiator hose handles the high temperatures of the coolant that little by little degrades its material. So, the hose's inside walls lose thickness and expand, creating pinhole cracks where coolant leaks.

  • The low clamp torque. It is another reason why a radiator hose presents leakages. This issue is pretty regular after installing a new radiator hose while the forklift engine is not cold down. It happens because the heat stimulates the expansion of the metal connections. The hose also expands, much more than the metal. The tightening of the clamp will be executed according to the expanded metal diameter. However, the metallic connection and hose will return to a smaller diameter when the engine cools off. It makes a tiny space appear between the hose and the connector. It causes the coolant to leak.

  • Electrochemical degradation. Electrical reactions occur between the coolant and metals of the cooling system. It creates an electrical charge in the fluid that degrades the inner side of the hoses. So, the hose becomes soft, or cracks appear inside.

  • Ozone concentration. The pollution increases the ozone quantity inside radiator hoses. It causes an internal crack, mostly in curves, inlet/outlet connections, and bends.

Takeaways

  • The hoses are rubber tubes that permit the coolant to pass between the engine body and the radiator.

  • The upper- radiator hose receives the hot coolant from the engine; the lower-radiator hose delivers the coolant with a suitable temperature to circulate again in the engine body.
    When choosing a radiator hose, you need to be sure to know what the defective hose is. Other important criteria are its type and dimensions.

  • Checking the condition of the hoses permits to know if the hoses are in good condition or need a replacement.

  • The heat, low clamp torque, electrochemical degradation, and ozone concentration are the common problems that present the radiator hoses.

A forklift radiator hose in bad condition must be replaced. On the lift parts warehouse, you can browse our extensive inventory of radiator hoses offering everything in a variation of size, part number, model, and much more. All stocked items that are ordered before 2:00 pm ET will be shipped on the same day.


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