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FLEXTECH Hose Reducer: 1 3/4 in_2 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: 1 3/4 in_2 1/4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone

The FLEXTECH Hose Reducer (MPN R40-175/225) is a blue silicone SAE J20 heater hose reducer with a 1 3/4 in to 2 1/4 in hose inside diameter and 3 in length. It is constructed from silicone tube and cover materials…

SKU 3G-OTH-457281

Also listed as: R40175225 · R40 175 225 · R40-175-225

Brand
FLEXTECH
Item
Hose Reducer: 1 3/4 in_2 1/4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone
Category
Silicone SAE J20 Heater Hose Reducers
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Local availability & support

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
R40-175/225
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 R40-175/225) is a blue silicone SAE J20 heater hose reducer with a 1 3/4 in to 2 1/4 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.

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 transitions from a 1 3/4 in to a 2 1/4 in inside diameter, maintaining flow while adapting to mismatched fittings. The silicone construction handles temperatures from -65° to 350°F.

What are the specifications of the FLEXTECH R40-175/225 hose reducer?

The FLEXTECH R40-175/225 is a blue silicone SAE J20 heater hose reducer with a 1 3/4 in to 2 1/4 in hose inside diameter and 3 in length. It is made of silicone tube and cover materials, rated for -65° to 350°F. The manufacturer part number is R40-175/225.

Where to buy FLEXTECH hose reducers worldwide?

3G Electric supplies FLEXTECH hose reducers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver the R40-175/225 silicone reducer to your facility. Contact us for a quote and delivery timeline to your location.

How to install a FLEXTECH silicone hose reducer?

To install a FLEXTECH silicone hose reducer, ensure both hose ends are clean and dry. Slide the reducer onto the smaller-diameter hose, then push the larger hose over the reducer's opposite end. Secure with appropriate clamps. Avoid over-tightening to prevent silicone damage. Follow SAE J20 guidelines for best results.

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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