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Premium EPDM RUBBER HOSE
Our premium construction SAE 20R3 and R4 class D1 and D2 is a high-quality coolant hose designed to offer extra-long service life on automotive and truck cooling system applications. This hose is constructed with an EPDM tube and cover with two spiral layers of reinforcement.
SAE 20R3 D1 & D2 serves as a Heater Hose, while SAE 20R4 D1 is a dedicated Radiator Hose. These hoses are engineered to withstand corrosive additives, ozone, and abrasion, ensuring durability in both straight and custom-formed shapes.
| Material | EPDM rubber compound | Working Pressure | 18 bar |
| Color | Black | MOQ | 200 |
| Process | Extruded | Temperature | -40ºC to +125ºC |
| Hose Class | Class D-2 - low oil resistant, standard service | ||
| Feature | Excellent resistance to water, steam, coolant, weathering, and ozone. | ||




Equipped with several strategic production lines including rubber radiator hoses, heater hoses, full-vehicle sealing strips, weatherstrips, and oil hoses. Advanced automated production equipment and testing laboratories effectively guarantee product quality as the foundation of our development.










Packaging: Neutral carton packaging or customized as per specific requirements.
Shipping: Ocean shipping, Air transportation, and express services (DHL/Fedex/UPS).
TerraForge Machinery