The BT8-5420 Blue EPDM Heater Hose is designed for compatible heater and coolant hose applications.
It is a 3/4 in. blue heater hose for engine coolant and heater circuits.
This hose is associated with 3/4 in. bulk EPDM heater hose references, including Gates 28402, Goodyear Hi-Miler 3/4, and Continental 65009.
However, many common reference listings describe black EPDM heater hose, while the BTRAC hose is blue.
As a result, compare color, markings, hose size, and construction before treating cross references as exact replacements.
Function and Performance
A heater hose carries engine coolant between the engine, heater core, and related cooling system components.
It supports cab heat and coolant circulation in compatible systems.
The BT8-5420 is listed as a blue EPDM heater / coolant hose.
It is associated with a temperature range of approximately -40°F to 257°F.
The hose is also associated with specifications similar to SAE J20R3.
Because hose fitment depends on size, routing, coolant compatibility, and clamp or fitting style, compare your current hose before ordering.
Durability and Design
The BT8-5420 uses EPDM heater hose construction.
The BTRAC hose is blue, so it should not be described as black hose in customer-facing copy.
The supplied specifications list two-spiral synthetic textile reinforcement.
This construction supports water and glycol-based engine coolant applications.
The supplied data also lists a 200 PSI burst pressure and an estimated weight of approximately 0.24 lb per foot.
Installation
Install this hose according to the vehicle, equipment, or cooling system service procedure.
Before installation, confirm hose size, routing, bend requirements, clamp style, and coolant compatibility.
Cut the hose cleanly to the required length.
Then install it with the correct clamps or fittings.
After installation, inspect for leaks and confirm proper coolant level according to the equipment service procedure.
Product Details
- BTRAC Part Number: BT8-5420
- Description: Blue EPDM heater hose
- Product Type: Heater / coolant hose
- Hose Size: 3/4 in.
- Inside Diameter: 3/4 in. / 19.1 mm
- Outside Diameter: Approximately 1.05 in.
- Hose Type: Heater / coolant hose
- Material: EPDM
- Color: Blue
- Reinforcement: Two-spiral synthetic textile reinforcement
- Temperature Range: Approximately -40°F to 257°F
- Burst Pressure: 200 PSI
- Weight: Approximately 0.24 lb per foot
- Specification Reference: Similar to SAE J20R3
- Application: Water and glycol-based engine coolant applications
- Important Warning: Not intended for fuel or oil transfer
- Fitment Note: Confirm hose size, color, markings, routing, clamp style, and coolant compatibility before ordering.
OEM / Part Numbers
- Gates: 28402
- Goodyear: Hi-Miler 3/4
- Applied Industrial: 580001191002
- OESL Auto: 20027891
- Continental: 65009
- Continental: 65010
- Current Continental Family Reference: HY-T heater hose
Package Number References
This hose may be associated with the following package references:
- Gates 28402: 3/4 in. Charter economy heater hose, 50 ft carton
- Continental 65009: 3/4 in. HY-T heater hose, 50 ft carton
- Continental 65010: 3/4 in. HY-T heater hose, 250 ft reel
Cross Reference
This part may cross reference with:
- Gates: 28402
- Goodyear: Hi-Miler 3/4
- Applied Industrial: 580001191002
- OESL Auto: 20027891
- Continental: 65009
- Continental: 65010
- Continental: HY-T heater hose
Interchange Numbers
This part may also interchange with:
- 28402
- 580001191002
- 20027891
- 65009
- 65010
- Hi-Miler 3/4
Important Fitment Note
The BTRAC hose is blue, while several common cross-reference listings may describe black EPDM heater hose.
Because of that, treat color as a visible difference that needs confirmation.
Before ordering, confirm that your application requires 3/4 in. blue EPDM heater hose with the correct routing, clamp style, and coolant compatibility.
Need Help?
Not sure if BT8-5420 is the correct heater hose for your cooling or heater system?
Contact BTRAC with your hose size, current hose markings, hose color, routing details, coolant application, and equipment model. Our team can help confirm fitment or find the right hose option.
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