FLEXTECH Hose Reducer: 3 in_3 1/2 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone
The FLEXTECH Hose Reducer (MPN R40-300/350) is a blue silicone SAE J20 heater hose reducer with a 3 in to 3 1/2 in hose inside diameter and 3 in hose length. It is constructed from silicone tube and cover materials…
SKU 3G-OTH-457296
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Product Description
The FLEXTECH Hose Reducer (MPN R40-300/350) is a blue silicone SAE J20 heater hose reducer with a 3 in to 3 1/2 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.
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 transitions from a 3 in to a 3 1/2 in inside diameter, maintaining flow while reducing size. The silicone construction handles temperatures from -65° to 350°F, making it suitable for high-heat coolant applications.
What are the specifications of the FLEXTECH R40-300/350 hose reducer?
The FLEXTECH R40-300/350 is a blue silicone SAE J20 heater hose reducer with a 3 in to 3 1/2 in hose inside diameter and 3 in hose length. It is made of silicone tube and cover materials, rated for a temperature range of -65° to 350°F. The manufacturer part number is R40-300/350.
Where to buy FLEXTECH hose reducers worldwide?
3G Electric supplies FLEXTECH hose reducers like the R40-300/350 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this silicone SAE J20 reducer.
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 push the larger hose over the reducer. Secure with hose clamps at both ends. Avoid over-tightening to prevent silicone damage. Check for leaks after installation.
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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.









