20 Best Radiator Hose Diameter [2024]

Are you looking for the best Radiator Hose Diameter? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Radiator Hose Diameter.

We Recommended:

# Preview Product
1 FlexFab - 1' ID x 1 ft (Sold Per Foot) 5526 Blue Silicone Heater Hose 25mm 350F Radiator Coolant P/N... FlexFab - 1" ID x 1 ft (Sold Per Foot) 5526 Blue Silicone Heater Hose 25mm 350F Radiator Coolant...
2 Gates 28491 Safety Stripe Standard Straight Heater Hose-6' Length, Inner Diameter 5/8' Gates 28491 Safety Stripe Standard Straight Heater Hose-6' Length, Inner Diameter 5/8"
3 FlexFab - 1-1/4' ID x 1 ft (Sold Per Foot) 5526 Blue Silicone Heater Hose 32mm 350F Radiator Coolant... FlexFab - 1-1/4" ID x 1 ft (Sold Per Foot) 5526 Blue Silicone Heater Hose 32mm 350F Radiator...
4 90 Degree 12 In. Silicone Radiator Hose 1.75 Diameter 90 Degree 12 In. Silicone Radiator Hose 1.75 Diameter
5 Gates 28489 Safety Stripe Standard Straight Heater Hose-6' Length, Inner Diameter 3/8' Gates 28489 Safety Stripe Standard Straight Heater Hose-6' Length, Inner Diameter 3/8"
6 Gates 24220 Green Stripe 2-Ply Straight Coolant Hose-3' Length, Inner Diameter 1 1/4' Gates 24220 Green Stripe 2-Ply Straight Coolant Hose-3' Length, Inner Diameter 1 1/4"
7 Gates 24024 Vulco Straight Coolant Hose-3' Length, Inner Diameter 1 1/2' Gates 24024 Vulco Straight Coolant Hose-3' Length, Inner Diameter 1 1/2"
8 FlexFab - 1' ID x 10 ft 5526 Blue Silicone Heater Hose 25mm 350F Radiator Coolant FlexFab - 1" ID x 10 ft 5526 Blue Silicone Heater Hose 25mm 350F Radiator Coolant
9 Gates 24232 Green Stripe 2-Ply Straight Coolant Hose-3' Length, Inner Diameter 2' Gates 24232 Green Stripe 2-Ply Straight Coolant Hose-3' Length, Inner Diameter 2"
10 FlexFab - 3/4' ID x 1 ft (Sold Per Foot) 5526 Blue Silicone Heater Hose 19mm J20R3 Class A 350F... FlexFab - 3/4" ID x 1 ft (Sold Per Foot) 5526 Blue Silicone Heater Hose 19mm J20R3 Class A 350F...
11 Gates 26391 Hose Inside Diameter (I.D.) Reducer Gates 26391 Hose Inside Diameter (I.D.) Reducer
12 Gates 26390 Hose Inside Diameter (I.D.) Reducer Gates 26390 Hose Inside Diameter (I.D.) Reducer
13 Gates 22373 Lower Radiator Hose with 1.5” Diameter and 16.3” Length Gates 22373 Lower Radiator Hose with 1.5” Diameter and 16.3” Length
14 Gates 27555 Radiator Overflow Hose-3' Length, Inner Diameter 5/16' Gates 27555 Radiator Overflow Hose-3' Length, Inner Diameter 5/16"
15 ZM Radiator Filler Neck Hose Diameter 1.5' / 1 1/2' Overall Inline Die Cast Aluminum ZM Radiator Filler Neck Hose Diameter 1.5" / 1 1/2" Overall Inline Die Cast Aluminum
16 Gates 28420 Safety Stripe Standard Straight Heater Hose-25' Length, Inner Diameter 1' Gates 28420 Safety Stripe Standard Straight Heater Hose-25' Length, Inner Diameter 1"
17 Gates 28490 Safety Stripe Standard Straight Heater Hose-6' Length, Inner Diameter 1/2', Black Gates 28490 Safety Stripe Standard Straight Heater Hose-6' Length, Inner Diameter 1/2", Black
18 JEGS Inline Radiator Hose Drain | Made In USA | 1.5” Outside Diameter | 1.25” Inside Diameter |... JEGS Inline Radiator Hose Drain | Made In USA | 1.5” Outside Diameter | 1.25” Inside Diameter...
19 ACDelco Professional 24647L Molded Upper Radiator Hose ACDelco Professional 24647L Molded Upper Radiator Hose
20 Gates 28410 Safety Stripe Standard Straight Heater Hose-50' Length, Inner Diameter 1/2' , Green Gates 28410 Safety Stripe Standard Straight Heater Hose-50' Length, Inner Diameter 1/2" , Green
Bestseller No. 1
FlexFab - 1" ID x 1 ft (Sold Per Foot) 5526 Blue Silicone Heater Hose 25mm 350F Radiator Coolant P/N...
  • Hpcouplers Custom Listing Heater Hose Cut From a Brand New Reel
  • Choose Length Example: Qty 1 = 1 ft Length, Qty 3 = 3 ft Length, Qty 12 = 12 ft Length
  • Flexfab 5526-100 1" Blue Silicone Heater Hose
  • Inside Diameter (ID): 1.00" (25mm)
  • Outside Diameter (OD): 1.33" (34mm)
Bestseller No. 2
Gates 28491 Safety Stripe Standard Straight Heater Hose-6' Length, Inner Diameter 5/8"
  • Good resistance to high temperatures for extended periods of time, which prolongs service life
  • Convenient 6-ft. lengths in self-service, reusable, recyclable package that can be displayed on pegboard
  • Meets SAE 20R3 Standard Wall Class D-2 requirements
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications
Bestseller No. 3
FlexFab - 1-1/4" ID x 1 ft (Sold Per Foot) 5526 Blue Silicone Heater Hose 32mm 350F Radiator Coolant...
  • Hpcouplers Custom Listing Heater Hose Cut From a Brand New Reel
  • Choose Length Example: Qty 1 = 1 ft Length, Qty 3 = 3 ft Length, Qty 12 = 12 ft Length
  • Flexfab 5526-125 1.25" Blue Silicone Heater Hose
  • Inside Diameter (ID): 1.25" (32 mm)
  • Outside Diameter (OD): 1.58" (40 mm)
Bestseller No. 4
90 Degree 12 In. Silicone Radiator Hose 1.75 Diameter
  • This 12" long 90 degree silicone radiator/coolant hoses can be cut to length, allowing you to build just what you need
  • 3 layer reinforced silicone material exceeds SAE standards and will withstand pressurized coolant
  • Temperature rating of -100 to 380 degrees fahrenheit makes this perfect for todays high temperature cooling systems
  • Use along with our aluminum barbed connectors to complete your custom hose assembly
  • Choose from 1.25", 1.50", or 1.75" inside diameter
Bestseller No. 5
Gates 28489 Safety Stripe Standard Straight Heater Hose-6' Length, Inner Diameter 3/8"
  • Good resistance to high temperatures for extended periods of time, which prolongs service life
  • Convenient 6-ft. lengths in self-service, reusable, recyclable package that can be displayed on pegboard
  • Meets SAE 20R3 Standard Wall Class D-2 requirements
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications
SaleBestseller No. 6
Gates 24220 Green Stripe 2-Ply Straight Coolant Hose-3' Length, Inner Diameter 1 1/4"
  • Cover marked in 1 in. increments to facilitate approximate cut lengths, allows “custom-fit" installations
  • Engineered with compounds that resist electrochemical degradation
  • Approved for marine applications
  • Exceeds SAE 20R1 Type EC (Class D-1 Tube, and cover, Standard Wall)
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
Bestseller No. 7
Gates 24024 Vulco Straight Coolant Hose-3' Length, Inner Diameter 1 1/2"
  • Heat-resistant cover
  • Cover marked in 1 in. increments to facilitate approximate cut lengths, allows “custom fit” installations
  • Meets SAE 20R1 Standard Wall Class D-2 requirements
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: For a maintenance free connection, use PowerGrip SB clamps
Bestseller No. 8
FlexFab - 1" ID x 10 ft 5526 Blue Silicone Heater Hose 25mm 350F Radiator Coolant
  • Construction: Silicone hose with 1-ply of Nylon Fiber Reinforcement
  • ID-1.00" 25MM OD 1.33" 34MM
  • BURST PRESSURE 250 PSI
  • SUGGESTED 125 PSI
Bestseller No. 9
Gates 24232 Green Stripe 2-Ply Straight Coolant Hose-3' Length, Inner Diameter 2"
  • Cover marked in 1 in. increments to facilitate approximate cut lengths, allows “custom-fit" installations
  • Engineered with compounds that resist electrochemical degradation
  • Approved for marine applications
  • Exceeds SAE 20R1 Type EC (Class D-1 Tube, and cover, Standard Wall)
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
Bestseller No. 11
Gates 26391 Hose Inside Diameter (I.D.) Reducer
  • Makes it possible to adjust inside diameter of larger hoses for emergency replacement
  • Quality rubber construction assures maximum dependability, no leakage
  • Fits straight or flexible Gates coolant hoses
  • Caution: Recommended for coolant and air applications only
SaleBestseller No. 12
Gates 26390 Hose Inside Diameter (I.D.) Reducer
  • Makes it possible to adjust inside diameter of larger hoses for emergency replacement
  • Quality rubber construction assures maximum dependability, no leakage
  • Fits straight or flexible Gates coolant hoses
  • Caution: Recommended for coolant and air applications only
Bestseller No. 13
Gates 22373 Lower Radiator Hose with 1.5” Diameter and 16.3” Length
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Pre-shaped to fit and to ensure perfectly sealed conditions
  • EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
  • Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
SaleBestseller No. 14
Gates 27555 Radiator Overflow Hose-3' Length, Inner Diameter 5/16"
  • Weather-resistant EPDM tube without reinforcement
  • Use on hose bead fitting with or without hose clamps
  • Self-service packaging that can be displayed on pegboard
  • Meets SAE J1037, SAE 942, SAE J200 M4CA710 A25 B35 C32 EA14 F19
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
Bestseller No. 15
ZM Radiator Filler Neck Hose Diameter 1.5" / 1 1/2" Overall Inline Die Cast Aluminum
  • Thread Pitch 1/8" NPT Inside Diameter 1.18 Outside Diameter 1.50 Overall Height 2.00
  • Overall Height: 2" Overall Length: 4.47"
  • ID 1.18" OD:1.5"
  • Radiator Cap not in cluded
  • 1 Year Warranty Fast Shipping
Bestseller No. 16
Gates 28420 Safety Stripe Standard Straight Heater Hose-25' Length, Inner Diameter 1"
  • Good resistance to high temperatures for extended periods of time, which prolongs service life
  • Convenient 6-ft. lengths in self-service, reusable, recyclable package that can be displayed on pegboard
  • Meets SAE 20R3 Standard Wall Class D-2 requirements
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications
SaleBestseller No. 17
Gates 28490 Safety Stripe Standard Straight Heater Hose-6' Length, Inner Diameter 1/2", Black
  • Good resistance to high temperatures for extended periods of time, which prolongs service life
  • Convenient 6-ft. lengths in self-service, reusable, recyclable package that can be displayed on pegboard
  • Meets SAE 20R3 Standard Wall Class D-2 requirements
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications
Bestseller No. 18
JEGS Inline Radiator Hose Drain | Made In USA | 1.5” Outside Diameter | 1.25” Inside Diameter |...
  • DESIGNED FOR APPLICATIONS where the radiator does not have a drain valve
  • SPLICES INTO the lower radiator hose allowing for easy access to drain your coolant
  • SPECIFICATIONS: 1.5 inches OD, 1.25 inches ID, 3 inches long, 1/4 inch NPT drain petcock
  • MACHINED FROM billet aluminum and anodized black for great looks and long life
  • MADE IN USA with high quality components and assembly
Bestseller No. 19
ACDelco Professional 24647L Molded Upper Radiator Hose
  • Has a heat and ozone resistant cover to increase the life of the hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Made of re-engineered materials to resist vacuum collapse and also reduce the need for internal springs in many applications
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Inside diameters ranges from 1?4 in to 1 in to fit different types of vehicles
SaleBestseller No. 20
Gates 28410 Safety Stripe Standard Straight Heater Hose-50' Length, Inner Diameter 1/2" , Green
  • Good resistance to high temperatures for extended periods of time, which prolongs service life
  • Convenient 6-ft. lengths in self-service, reusable, recyclable package that can be displayed on pegboard
  • Meets SAE 20R3 Standard Wall Class D-2 requirements
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications

Having trouble finding a great Radiator Hose Diameter?

This problem is well understood by us because we have gone through the entire Radiator Hose Diameter research process ourselves, which is why we have put together a comprehensive list of the best Radiator Hose Diameters available in the market today.

After hours of searching and using all the models on the market, we have found the best Radiator Hose Diameter for 2023. See our ranking below!

How Do You Buy The Best Radiator Hose Diameter?

Do you get stressed out thinking about shopping for a great Radiator Hose Diameter? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Radiator Hose Diameter, which is why we have assembled a comprehensive list of the greatest Radiator Hose Diameter available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Radiator Hose Diameter that you consider buying. Your questions might include the following:

  • Is it worth buying an Radiator Hose Diameter?
  • What benefits are there with buying an Radiator Hose Diameter?
  • What factors deserve consideration when shopping for an effective Radiator Hose Diameter?
  • Why is it crucial to invest in any Radiator Hose Diameter, much less the best one?
  • Which Radiator Hose Diameter are good in the current market?
  • Where can you find information like this about Radiator Hose Diameter?

We’re convinced that you likely have far more questions than just these regarding Radiator Hose Diameter, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Radiator Hose Diameter, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Radiator Hose Diameter. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Radiator Hose Diameter buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Radiator Hose Diameter currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Radiator Hose Diameter has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Radiator Hose Diameter?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Radiator Hose Diameter.
  5. Customer Ratings: Number ratings grade Radiator Hose Diameter objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Radiator Hose Diameter.
  7. Product Quality: You don’t always get what you pay for with an Radiator Hose Diameter, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Radiator Hose Diameter is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Radiator Hose Diameter information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Radiator Hose Diameter is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: What are the dimensions of a radiator hose?

A: The radiator inlet hose (cylinder head outlet hose) is 2 inch inside diameter, and the radiator outlet hoses are 1-3/4 inch inside diameter.

Q: What is the size of a standard hose?

A: Hose diameters range from 3/8-inch, 1/2-inch to 3/4-inch.In the United States, most standard garden hoses are 5/8-inch in diameter. The bigger the diameter, the more water is delivered.

Q: Should a radiator hose be hard?

A: A radiator hose in good condition should feel firm, but not hard. A radiator hose in poor condition feels very hard, spongy, or soft. You may find a single soft spot as opposed to the entire hose being soft. A soft hose or a hose with a soft spot should be replaced.

Q: How do you repair a radiator hose?

A: Radiator hoses are fairly easy to replace, but it’s not a repair you can make while your car is steaming by the side of the road. First, take off the radiator cap, then drain the coolant. Loosen the hose clamps and remove the hose.