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FLEXTECH Hose Reducer: 2 1/2 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone - Silicone SAE J20 Heater Hose Reducers
FLEXTECHSilicone SAE J20 Heater Hose Reducers

FLEXTECH Hose Reducer: 2 1/2 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone

The FLEXTECH Hose Reducer (MPN R40-250/300) is a blue silicone SAE J20 heater hose reducer with a 2 1/2 in to 3 in hose inside diameter and 3 in length. It is constructed from silicone tube and cover materials, rated…

SKU 3G-OTH-457290

Brand
FLEXTECH
Item
Hose Reducer: 2 1/2 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone
Category
Silicone SAE J20 Heater Hose Reducers
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Technical Specifications

FLEXTECH
Manufacturer Part Number
R40-250/300
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 Hose Reducer (MPN R40-250/300) is a blue silicone SAE J20 heater hose reducer with a 2 1/2 in to 3 in hose inside diameter and 3 in length. It is constructed from silicone tube and cover materials, rated for a temperature range of -65° to 350°F.

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 silicone hose reducer used for?

A FLEXTECH silicone hose reducer connects two different-diameter heater hoses in automotive or industrial cooling systems. It handles temperature extremes from -65° to 350°F and resists degradation from coolant, making it suitable for engine, radiator, and bypass applications.

What are the specifications of the FLEXTECH R40-250/300 hose reducer?

The FLEXTECH R40-250/300 is a blue silicone SAE J20 heater hose reducer with a 2 1/2 in to 3 in hose inside diameter and 3 in length. It has silicone tube and cover materials, rated for -65° to 350°F. The manufacturer part number is R40-250/300.

Where to buy FLEXTECH hose reducers worldwide?

3G Electric supplies FLEXTECH hose reducers like the R40-250/300 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this silicone SAE J20 reducer.

How to install a FLEXTECH silicone hose reducer?

To install a FLEXTECH silicone hose reducer, cut the larger hose to length, slide the reducer over the smaller hose, then insert both into the larger hose. Secure with hose clamps at each end. Ensure the reducer is fully seated and the temperature range (-65° to 350°F) matches your application.

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 heater hose reducers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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FLEXTECH Hose Reducer: 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-325/375). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
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FLEXTECH Hose Reducer: 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-325/375). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 1 3/4 in_2 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-175/200). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
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FLEXTECH Hose Reducer: 1 3/4 in_2 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-175/200). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 2 in_2 19/50 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-200/238). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
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FLEXTECH Hose Reducer: 2 in_2 19/50 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-200/238). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-238/325). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
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FLEXTECH Hose Reducer: 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-238/325). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 2 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-200/300). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
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FLEXTECH Hose Reducer: 2 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-200/300). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 1 1/2 in_2 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-150/200). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
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FLEXTECH Hose Reducer: 1 1/2 in_2 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-150/200). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 3 1/4 in_4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-325/400). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
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FLEXTECH Hose Reducer: 3 1/4 in_4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-325/400). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 3 in_3 1/2 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-300/350). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
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FLEXTECH Hose Reducer: 3 in_3 1/2 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-300/350). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.