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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
Part Number
H40-400
Category
Silicone SAE J20 Hump Hose Couplers for Heater Hoses
Available to Order
Also known as:H40-400FLEXTECH
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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

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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).

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
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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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