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FLEXTECH Straight Hose: 3 1/4 in Hose Inside Dia., 12 ft Hose Lg, Red, Silicone - Silicone SAE J20R3 Heater Hoses
FLEXTECHSilicone SAE J20R3 Heater Hoses

FLEXTECH Straight Hose: 3 1/4 in Hose Inside Dia., 12 ft Hose Lg, Red, Silicone

The FLEXTECH Straight Hose (SKU HT40-325, MPN HT40-325) is a silicone SAE J20R3 heater hose with a 3 1/4 in inside diameter and 12 ft length. It features a red silicone cover and tube, with a temperature range of…

SKU 3G-OTH-454155

Also listed as: HT40325 · HT40 325

Brand
FLEXTECH
Item
Straight Hose: 3 1/4 in Hose Inside Dia., 12 ft Hose Lg, Red, Silicone
Category
Silicone SAE J20R3 Heater Hoses
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

FLEXTECH
Manufacturer Part Number
HT40-325
Type
Red, Silicone, Silicone
Hose Lg
12 ft
Hose Color
Red
Temp. Range
-65° to 450°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 Straight Hose (SKU HT40-325, MPN HT40-325) is a silicone SAE J20R3 heater hose with a 3 1/4 in inside diameter and 12 ft length. It features a red silicone cover and tube, with a temperature range of -65° to 450°F.

Frequently Asked Questions

What is the FLEXTECH Straight Hose used for?

The FLEXTECH Straight Hose is a silicone SAE J20R3 heater hose designed for coolant and heating systems in industrial equipment, trucks, and buses. Its silicone construction handles temperatures from -65° to 450°F, making it suitable for high-heat engine applications where rubber hoses would fail.

What are the specifications of the FLEXTECH Straight Hose?

The FLEXTECH Straight Hose (MPN HT40-325) has a 3 1/4 in inside diameter, 12 ft length, and red silicone cover and tube. It meets SAE J20R3 standards and operates from -65° to 450°F. The hose cover and tube are both silicone, providing flexibility and heat resistance.

Where to buy FLEXTECH Straight Hose worldwide?

3G Electric supplies the FLEXTECH Straight Hose worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this silicone heater hose to any country.

How to install the FLEXTECH Straight Hose?

Install the FLEXTECH Straight Hose by cutting to length with a sharp knife, then sliding over barbed fittings and securing with constant-torque clamps. Avoid overtightening to prevent silicone damage. Ensure the hose is not kinked and operates within the -65° to 450°F range for best service life.

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 j20r3 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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