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FLEXTECH Elbow Reducer: 3 1/2 in_4 in Hose Inside Dia., 6 in Hose Lg, Blue, Silicone - Silicone SAE J20 90° Reducing Elbow Heater Hoses
FLEXTECHSilicone SAE J20 90° Reducing Elbow Heater Hoses

FLEXTECH Elbow Reducer: 3 1/2 in_4 in Hose Inside Dia., 6 in Hose Lg, Blue, Silicone

The FLEXTECH Elbow Reducer (MPN R90-350/400) is a blue silicone SAE J20 90° reducing elbow heater hose with a 3 1/2 in to 4 in hose inside diameter and 6 in hose length. It features silicone tube and cover materials…

SKU 3G-OTH-455021

Also listed as: R90350400 · R90 350 400 · R90-350-400

Brand
FLEXTECH
Item
Elbow Reducer: 3 1/2 in_4 in Hose Inside Dia., 6 in Hose Lg, Blue, Silicone
Category
Silicone SAE J20 90° Reducing Elbow 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
R90-350/400
Type
Blue, Silicone, Silicone
Hose Lg
6 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 Elbow Reducer (MPN R90-350/400) is a blue silicone SAE J20 90° reducing elbow heater hose with a 3 1/2 in to 4 in hose inside diameter and 6 in hose length. It features silicone tube and cover materials, with a temperature range of -65° to 350°F.

Frequently Asked Questions

What is a FLEXTECH silicone elbow reducer heater hose used for?

This FLEXTECH 90° reducing elbow connects 3 1/2 in to 4 in heater hoses in engine cooling systems, turbocharger lines, and industrial hot-water circuits. Its silicone construction handles temperatures from -65° to 350°F, making it suitable for heavy-duty trucks, buses, and off-highway equipment.

What are the specifications of the FLEXTECH R90-350/400 elbow reducer?

The FLEXTECH R90-350/400 is a blue silicone SAE J20 90° reducing elbow heater hose. It has a 3 1/2 in to 4 in hose inside diameter, 6 in hose length, and a temperature range of -65° to 350°F. Both tube and cover are silicone, meeting SAE J20 standards for coolant resistance.

Where to buy FLEXTECH silicone heater hoses worldwide?

3G Electric supplies FLEXTECH silicone heater hoses worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote on the R90-350/400 or other FLEXTECH hose configurations.

How to install a silicone reducing elbow heater hose?

Ensure the hose ends and mating fittings are clean and dry. Apply a silicone-compatible lubricant to ease assembly. Slide the hose fully onto each fitting, ensuring the reducing end matches the smaller diameter. Use constant-torque clamps, tightening to manufacturer specs. Avoid overtightening to prevent silicone damage.

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 90° reducing elbow 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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