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FLEXTECH Silicone SAE J20 Hump Hose Coupler, 4 in ID, 3 in Length, Blue - Silicone SAE J20 Hump Hose Couplers for Heater Hoses
FLEXTECHSilicone SAE J20 Hump Hose Couplers for Heater Hoses

FLEXTECH Silicone SAE J20 Hump Hose Coupler, 4 in ID, 3 in Length, Blue

The FLEXTECH Hump Hose is a silicone SAE J20 hump hose coupler for heater hoses, featuring a 4-inch inside diameter and 3-inch length. It is constructed with silicone tube and cover materials, rated for a temperature…

SKU 3G-OTH-453703

Also listed as: H40400 · H40 400

Brand
FLEXTECH
Item
Silicone SAE J20 Hump Hose Coupler, 4 in ID, 3 in Length, Blue
Category
Silicone SAE J20 Hump Hose Couplers for Heater Hoses
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

FLEXTECH
Manufacturer Part Number
H40-400
Type
Blue, Silicone, Silicone
Hose Lg
3 in
Hose Color
Blue
Temp. Range
-65° to 350°F
Hose Tube Material
Silicone
Hose Cover Material
Silicone

Technical Documents

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FLEXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FLEXTECH Hump Hose is a silicone SAE J20 hump hose coupler for heater hoses, featuring a 4-inch inside diameter and 3-inch length. It is constructed with silicone tube and cover materials, rated for a temperature range of -65° to 350°F, and comes in a blue color (MPN H40-400).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a FLEXTECH Hump Hose used for?

The FLEXTECH Hump Hose is a silicone SAE J20 hump hose coupler designed to connect heater hoses in industrial and automotive systems. It accommodates thermal expansion and vibration, making it suitable for coolant and low-pressure air applications where flexibility and temperature resistance are required.

What are the specifications of the FLEXTECH Hump Hose H40-400?

The FLEXTECH Hump Hose H40-400 has a 4-inch inside diameter and 3-inch length. It is made of silicone tube and cover materials, rated for a temperature range of -65° to 350°F. The hose is blue and meets SAE J20 standards for heater hose couplers.

Where to buy FLEXTECH Hump Hose in worldwide?

3G Electric supplies the FLEXTECH Hump Hose H40-400 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install a FLEXTECH Hump Hose coupler?

To install the FLEXTECH Hump Hose, slide the coupler over the heater hose ends, ensuring a snug fit. Use appropriate clamps on both sides to secure the connection. Verify the hose is not twisted and operates within the -65° to 350°F temperature range for optimal performance.

Used in

Common applications for FLEXTECH
Industrial burner systems — FLEXTECH silicone heater hoses for coolant circulation in preheat loops
Turbocharged diesel engines — FLEXTECH charge air cooler hoses for intake air routing
HVAC equipment — FLEXTECH vacuum hoses for pneumatic control lines
Marine engine cooling — FLEXTECH SAE J20R3 heater hoses for raw water and closed-loop systems
Generator sets — FLEXTECH 45° elbow hoses for coolant line routing in confined spaces
Compressed air systems — FLEXTECH silicone hoses for high-temperature air transfer

FLEXTECH Products

3G Electric supplies FLEXTECH silicone sae j20 hump hose couplers for heater hoses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This FLEXTECH silicone heater hose features a 45° elbow design for routing coolant and heater system connections in confined engine compartments. It meets SAE J20 specifications, with a temperature range of -65° to 350°F. The hose has a 3/4-inch inside diameter and 20-inch length, with blue silicone cover and tube material
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This FLEXTECH silicone heater hose features a 45° elbow design for routing coolant and heater system connections in confined engine compartments. It meets SAE J20 specifications, with a temperature range of -65° to 350°F. The hose has a 3/4-inch inside diameter and 20-inch length, with blue silicone cover and tube material
This 45° elbow heater hose is made of blue silicone with a temperature range of -65° to 350°F. It meets SAE J20 standards and is used in coolant systems for connecting heater cores, radiators, and engine components where a 45-degree bend is required
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This 45° elbow heater hose is made of blue silicone with a temperature range of -65° to 350°F. It meets SAE J20 standards and is used in coolant systems for connecting heater cores, radiators, and engine components where a 45-degree bend is required
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This FLEXTECH silicone heater hose features a 45° elbow configuration with a 4-inch inside diameter and 20-inch length. Constructed with blue silicone tube and cover, it operates in temperatures from -65° to 350°F and meets SAE J20 standards. Commonly used for coolant and heater system connections in engine compartments requiring tight routing
This 45° elbow heater hose is made of blue silicone tube and cover, meeting SAE J20 standards. It has a 2 1/4 in inside diameter and 20 in length, with a temperature range of -65° to 350°F. Suitable for heater and coolant systems in heavy-duty trucks, buses, and industrial equipment
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This 45° elbow heater hose is made of blue silicone tube and cover, meeting SAE J20 standards. It has a 2 1/4 in inside diameter and 20 in length, with a temperature range of -65° to 350°F. Suitable for heater and coolant systems in heavy-duty trucks, buses, and industrial equipment

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Silicone SAE J20 hump hose coupler for heater hoses. Blue silicone tube and cover. Inside diameter 4 1/2 in, length 3 in. Temperature range -65° to 350°F. Used to connect heater hoses in industrial heating systems, absorbing vibration and misalignment in coolant and hot-air lines
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This silicone hump hose coupler is designed for connecting heater hoses in automotive and industrial coolant or air-intake systems. It absorbs vibration and accommodates thermal expansion. The hose is made entirely of silicone with a blue cover, rated for temperatures from -65° to 350°F, and meets SAE J20 standards
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This silicone hump hose coupler is designed for heater hose connections in industrial and automotive systems. It absorbs vibration and thermal expansion in coolant and air-intake lines. The coupler has a 2 3/4 in inside diameter and 3 in length, with blue silicone tube and cover. Temperature range is -65° to 350°F
Silicone hump hose coupler for connecting heater hoses in industrial heating systems. Features a 3-1/2 inch inside diameter and 3 inch length, with silicone tube and cover materials. Temperature range from -65° to 350°F. Meets SAE J20 standards
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