EPDM (ethylene propylene diene monomer) SAE 20R1 type EC class D1 heater hose can be cut to the desired size to allow users to connect a vehicle's engine to its heater core. This hose is commonly used to carry coolant between the engine and the heater core in heavy-duty trucks, buses, and off-road vehicles. The hose is approved for marine applications. It is made from EPDM, which provides excellent resistance to ozone and high temperatures and good resistance to chemicals. The hose is designed to resist cold water leaks and electrochemical degradation. This EPDM hose meets SAE (Society of Automotive Engineers) standard 20R1 for class D1 hose. It is a heavy-duty heater hose that provides low oil resistance and improved service compared to class D2 heater hose.

EPDM (ethylene propylene diene monomer) SAE 20R3 class D2 heater hose can be cut to the desired size to allow users to connect a vehicle's engine to its heater core. This hose is commonly used to carry coolant between the engine and the heater core in cars and light trucks. This hose is made from EPDM, which provides excellent resistance to ozone and high temperatures and good resistance to chemicals. The hose meets SAE (Society of Automotive Engineers) standard 20R3 for class D2 hose. It is a normal-service heater hose with an inside diameter of 1" or less, and it provides low oil resistance.

EPDM (ethylene propylene diene monomer) SAE 30R3 heater hose can be cut to the desired size to allow users to connect a vehicle's engine to its heater core. This hose is commonly used to carry coolant between the engine and the heater core in cars and commercial trucks and cars. The EPDM hose and cover provide excellent resistance to ozone, abrasion, cracking, weathering, and corrosive additives. This EPDM hose meets SAE (Society of Automotive Engineers) standard 30R3.

Silicone SAE J20 45° elbow heater hose lets users make a 45° angled connection from a vehicle's engine to its heater core. The hose carries coolant from the engine to the heater core in order to warm up the vehicle. This hose is suitable for use in performance motors and vehicles, marine wet-exhaust systems, commercial truck and bus induction and cooling systems, agriculture and off-highway vehicles, and turbo-diesel vehicles. It is made from silicone, which provides excellent resistance to high temperatures, ozone, and UV rays. It also resists electrochemical degradation. This silicone hose meets SAE (Society of Automotive Engineers) standard J20 for heater hose.

Silicone SAE J20 45° reducing elbow heater hose lets users make a 45° angled connection from a vehicle's engine to its heater core in applications where the heater core and engine connections are different sizes. This hose conveys coolant from the engine to the heater core in order to warm up the vehicle. It is suitable for use in performance motors and vehicles, marine wet-exhaust systems, commercial truck and bus induction and cooling systems, agriculture and off-highway vehicles, and turbo-diesel vehicles. The hose is made from silicone, which provides excellent resistance to high temperatures, ozone, and UV rays. It also resists electrochemical degradation. This silicone hose meets SAE (Society of Automotive Engineers) standard J20 for heater hose.

Silicone SAE J20 90° elbow heater hose lets users make a 90° angled connection from a vehicle's engine to its heater core. The hose carries coolant from the engine to the heater core in order to warm up the vehicle. This hose is suitable for use in performance motors and vehicles, marine wet-exhaust systems, commercial truck and bus induction and cooling systems, agriculture and off-highway vehicles, and turbo-diesel vehicles. It is made from silicone, which provides excellent resistance to high temperatures, ozone, and UV rays. It also resists electrochemical degradation. This silicone hose meets SAE (Society of Automotive Engineers) standard J20 for heater hose.

Silicone SAE J20 90° reducing elbow heater hose lets users make a 90° angled connection from a vehicle's engine to its heater core in applications where the heater core and engine connections are different sizes. This hose conveys coolant from the engine to the heater core in order to warm up the vehicle. It is suitable for use in performance motors and vehicles, marine wet-exhaust systems, commercial truck and bus induction and cooling systems, agriculture and off-highway vehicles, and turbo-diesel vehicles. The hose is made from silicone, which provides excellent resistance to high temperatures, ozone, and UV rays. It also resists electrochemical degradation. This silicone hose meets SAE (Society of Automotive Engineers) standard J20 for heater hose.

Silicone SAE J20 heater hose reducers allow users to change the size of the connection on one end of a vehicle's heater hose when connecting the hose to the vehicle's engine or heater core. These reducers are suitable for use in performance motors and vehicles, marine wet-exhaust systems, commercial truck and bus induction and cooling systems, agriculture and off-highway vehicles, and turbo-diesel vehicles. They are made from silicone, which provides excellent resistance to high temperatures, ozone, and UV rays. They also resist electrochemical degradation. These silicone heater hose reducers meet SAE (Society of Automotive Engineers) standard J20 for heater hose.

Silicone SAE J20 hump hose couplers for heater hose have a hump in the middle that allow them to bend slightly to accommodate minor misalignment when connecting a vehicle's heater hose to its heater core. The hump also allows the coupler to flex to accommodate vibration, preventing damage to the hose. Hump hose couplers are suitable for use in performance motors and vehicles, marine wet-exhaust systems, commercial truck and bus induction and cooling systems, agriculture and off-highway vehicles, and turbo-diesel vehicles. They are made from silicone, which provides excellent resistance to high temperatures, ozone, and UV rays. They also resist electrochemical degradation. These silicone heater hump hose couplers meet SAE (Society of Automotive Engineers) standard J20 for heater hose.

Silicone SAE J20R1 heater hose can be cut to the desired size to allow users to connect a vehicle's engine to its heater core. This hose conveys coolant from the engine to the heater core in order to warm up the vehicle. It is suitable for use in performance motors and vehicles, marine wet-exhaust systems, commercial truck and bus induction and cooling systems, agriculture and off-highway vehicles, and turbo-diesel vehicles. The hose is made from silicone, which provides excellent resistance to high temperatures, ozone, and UV rays. It also resists electrochemical degradation. This silicone hose meets SAE (Society of Automotive Engineers) standard J20R1 for heavy-duty-service heater hose.

Silicone SAE J20R3 heater hose can be cut to the desired size to allow users to connect a vehicle's engine to its heater core. This hose conveys coolant from the engine to the heater core in order to warm up the vehicle. It is suitable for use in performance motors and vehicles, marine wet-exhaust systems, commercial truck and bus induction and cooling systems, agriculture and off-highway vehicles, and turbo-diesel vehicles. The hose is made from silicone, which provides excellent resistance to high temperatures, ozone, and UV rays. It also resists electrochemical degradation. This silicone hose meets SAE (Society of Automotive Engineers) standard J20R3 for normal-service heater hose with internal diameters under 1".