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FLEXTECH Hose Reducer: 3 in_3 1/4 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: 3 in_3 1/4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone

The FLEXTECH Hose Reducer (MPN R40-300/325) is a blue silicone SAE J20 heater hose reducer with a 3 in hose length, designed for a 3 in to 3 1/4 in hose inside diameter. It features silicone tube and cover materials…

SKU 3G-OTH-457295

Brand
FLEXTECH
Item
Hose Reducer: 3 in_3 1/4 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
R40-300/325
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 R40-300/325) is a blue silicone SAE J20 heater hose reducer with a 3 in hose length, designed for a 3 in to 3 1/4 in hose inside diameter. It features silicone tube and cover materials, with a temperature range of -65° to 350°F.

Frequently Asked Questions

What is a FLEXTECH silicone hose reducer used for?

A FLEXTECH silicone hose reducer connects two different-diameter hoses in automotive or industrial cooling systems. It transitions from a 3 in to a 3 1/4 in hose inside diameter, handling temperatures from -65° to 350°F. 3G Electric supplies this reducer for heater, radiator, and turbo applications worldwide.

What are the specifications of the FLEXTECH R40-300/325 hose reducer?

The FLEXTECH R40-300/325 is a blue silicone SAE J20 heater hose reducer with a 3 in hose length. It has a 3 in to 3 1/4 in hose inside diameter, silicone tube and cover materials, and a temperature range of -65° to 350°F. 3G Electric sources this genuine FLEXTECH part for global delivery.

Where to buy FLEXTECH hose reducers worldwide?

3G Electric supplies FLEXTECH hose reducers worldwide, handling full logistics and customs clearance. We source genuine FLEXTECH parts like the R40-300/325 silicone reducer for industrial and automotive cooling systems. Contact us for availability and delivery to your location.

How to install a silicone hose reducer?

To install a FLEXTECH silicone hose reducer, ensure both hose ends are clean and dry. Slide the reducer onto the smaller hose, then connect the larger hose over the reducer's larger end. Secure with clamps at both ends. 3G Electric provides this reducer for reliable sealing in heater and coolant systems.

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 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.
FLEXTECH Hose Reducer: 1 3/4 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-175/300). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH
FLEXTECH Hose Reducer: 1 3/4 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-175/300). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 2 1/2 in_3 1/4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-250/325). 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: 2 1/2 in_3 1/4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-250/325). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 3 in_4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-300/400). 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 in_4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-300/400). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 2 1/4 in_2 3/4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-225/275). 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 1/4 in_2 3/4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-225/275). 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 1/4 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-225/300). 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 1/4 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-225/300). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH Hose Reducer: 2 1/2 in_3 1/2 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-250/350). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.
FLEXTECH
FLEXTECH Hose Reducer: 2 1/2 in_3 1/2 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone, Silicone (MPN R40-250/350). Key specifications — Hose Cover Material: Silicone; Hose Color: Blue; Temp. Range: -65° to 350°F; Hose Tube Material: Silicone; Brand: FLEXTECH.