FLEXTECH Hose Reducer: 2 3/4 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone
The FLEXTECH Hose Reducer (SKU 45GW78, MPN R40-275/300) is a blue silicone SAE J20 heater hose reducer with a 2 3/4 in to 3 in hose inside diameter and 3 in hose length. It is constructed from silicone tube and cover…
SKU 3G-OTH-457311
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Product Description
The FLEXTECH Hose Reducer (SKU 45GW78, MPN R40-275/300) is a blue silicone SAE J20 heater hose reducer with a 2 3/4 in to 3 in hose inside diameter and 3 in hose 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 hoses in automotive or industrial cooling systems. It transitions from a 2 3/4 in to a 3 in inside diameter, maintaining flow in heater, radiator, or turbo applications. The silicone construction handles high heat and resists degradation.
What are the specifications of the FLEXTECH R40-275/300 hose reducer?
The FLEXTECH R40-275/300 is a blue silicone SAE J20 heater hose reducer with a 2 3/4 in to 3 in hose inside diameter and 3 in hose length. It has a temperature range of -65° to 350°F, with silicone tube and cover materials. The manufacturer part number is R40-275/300.
Where to buy FLEXTECH hose reducers worldwide?
3G Electric supplies FLEXTECH hose reducers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the R40-275/300 or other FLEXTECH silicone hose components.
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 hose, then push the larger hose over the reducer's opposite end. Use constant-torque clamps to secure each connection. Avoid over-tightening to prevent silicone damage.
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Common applications for FLEXTECHFLEXTECH 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.









