FLEXTECH Hose Reducer: 1 3/4 in_3 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone
The FLEXTECH Hose Reducer (MPN R40-175/300) is a blue silicone SAE J20 heater hose reducer with a 1 3/4 in to 3 in hose inside diameter and 3 in hose length. It features silicone tube and cover materials, with a…
SKU 3G-OTH-457282
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Product Description
The FLEXTECH Hose Reducer (MPN R40-175/300) is a blue silicone SAE J20 heater hose reducer with a 1 3/4 in to 3 in hose inside diameter and 3 in hose length. It features silicone tube and cover materials, with 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 hoses in automotive or industrial cooling systems. It adapts a 1 3/4 in hose to a 3 in hose, handling temperatures from -65° to 350°F. Common in heater, radiator, and turbocharger applications where SAE J20-rated silicone provides heat resistance and flexibility.
What are the specifications of the FLEXTECH R40-175/300 hose reducer?
The FLEXTECH R40-175/300 is a blue silicone SAE J20 heater hose reducer with a 1 3/4 in to 3 in hose inside diameter and 3 in hose length. Both tube and cover are silicone, rated for -65° to 350°F. The manufacturer part number is R40-175/300.
Where to buy FLEXTECH hose reducers worldwide?
3G Electric supplies FLEXTECH hose reducers like the R40-175/300 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine parts across 14 departments and deliver them wherever you operate.
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. Secure with appropriate clamps at each end. Avoid over-tightening to prevent silicone damage. Follow SAE J20 installation guidelines for best results.
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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.









