EPDM Radiator Hose
The EPDM radiator hose is made of the finest quality, EPDM rubber with polyester or aramid reinforcement for optimal performance under hood conditions. EPDM hoses are ideal for use with air or coolant.
Product Introduction

Tube: black EPDM
Reinforcement: high tensile textile cords.
Cover: black EPDM; heat, abrasion and ozone resistant.
Applications: Can be used in coolant, water and air, and the most important application is engine hoses.
EPDM Radiator Hose Specification
I.D | I.D O.D WALL Thickness W.P L | O.D | WALL Thickness | W.P | L | I.D | I.D O.D WALL Thickness W.P L | O.D | WALL Thickness | W.P | L | ||
inch | mm | mm | mm | bar | psi | m | inch | mm | mm | mm | bar | psi | m |
1/2" | 13 | 21 | 4 | 5 | 75 | 1 | 1-3/4" | 45 | 55 | 5 | 5 | 75 | 1 |
5/8" | 16 | 24 | 4 | 5 | 75 | 1 | 1-7/8" | 48 | 58 | 5 | 5 | 75 | 1 |
23/32" | 18 | 26 | 4 | 5 | 75 | 1 | 2" | 51 | 61 | 5 | 5 | 75 | 1 |
13/16" | 20 | 28 | 4 | 5 | 75 | 1 | 2-1/6" | 55 | 65 | 5 | 5 | 75 | 1 |
7/8" | 22 | 30 | 4 | 5 | 75 | 1 | 2-1/4" | 57 | 67 | 5 | 5 | 75 | 1 |
1" | 25 | 33 | 4 | 5 | 75 | 1 | 2-3/8" | 60 | 70 | 5 | 5 | 75 | 1 |
1-1/8" | 28 | 36 | 4 | 5 | 75 | 1 | 2-1/2" | 63 | 73 | 5 | 5 | 75 | 1 |
1-3/16" | 30 | 38 | 4 | 5 | 75 | 1 | 2-3/4" | 70 | 80 | 5 | 5 | 75 | 1 |
1-1/4" | 32 | 40 | 4 | 5 | 75 | 1 | 3" | 76 | 86 | 5 | 5 | 75 | 1 |
1-3/8" | 35 | 43 | 4 | 5 | 75 | 1 | 3-1/8" | 80 | 90 | 5 | 5 | 75 | 1 |
1-1/2" | 38 | 48 | 5 | 5 | 75 | 1 | 3-1/2" | 90 | 102 | 6 | 5 | 75 | 1 |
1-9/16" | 40 | 50 | 5 | 5 | 75 | 1 | 4" | 102 | 114 | 6 | 5 | 75 | 1 |
1-5/8" | 42 | 52 | 5 | 5 | 75 | 1 | 4-5/16" | 110 | 122 | 6 | 5 | 75 | 1 |
EPDM Radiator Hose Features
High Temperature Resistance: Our EPDM radiator hoses can withstand temperatures up to 300°F, making them ideal for high performance engines.
Pressure resistance: Our EPDM radiator hoses can withstand pressures up to 250 PSI, ensuring they won’t burst or leak under high-pressure conditions.
Flexible design: Our EPDM radiator hoses are highly flexible, making them easy to install around tight spaces and corners.
Durable: Our EPDM radiator hoses are made of high-quality materials that are durable and will last for years of reliable use.
Easy to maintain: Our EPDM radiator hoses are easy to maintain and can be cleaned with a simple hose or pressure washer.
Temperature: (-40℃ ( )to +121℃ (-40 ℉~+250 ℉ )
EPDM Coolant Hose Customizable Options
Length: We can manufacture our EPDM Radiator Hose to your desired length, ensuring that you have the right amount of hose for your application.
Color: Our EPDM Radiator Hose is available in black as standard, but we can also produce it in other colors if required.
Reinforcement: We offer a range of reinforcement options for our EPDM Radiator Hose, including polyester, aramid, and steel wire reinforcement.
End Fittings: Our EPDM Radiator Hose can be customized with a variety of end fittings, including straight, elbow, and T-shaped fittings.
EPDM Radiator Hose List


Why OrientFlex is your Unique Manufacturer and Supplier
- Quality materials: Our EPDM radiator hoses are made of quality materials to ensure long-lasting durability.
- Customizable options: We offer customizable options for our EPDM radiator hoses, allowing you to choose the length and diameter that best suits your needs.
- Complete after-sales service: our customer experts are always available to answer your questions.
Is it normal for radiator hose to be hard
Radiator hoses are an important part of a vehicle's cooling system. They are responsible for transporting coolant from the engine to the radiator and back, helping to regulate engine temperature and prevent overheating. It is not uncommon for radiator hoses to harden...
You May Also Like
More hose choices for your cars
There are many options about size, color and type. We also accept your customization
on unique shapes for different vehicles or usages