FLEXTECH Hose Reducer: 3 in_3 1/4 in Hose Inside Dia., 3 in Hose Lg, Blue, Silicone
The FLEXTECH Hose Reducer (MPN R40-300/3625) 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…
SKU 3G-OTH-457294
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Product Description
The FLEXTECH Hose Reducer (MPN R40-300/3625) 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 heater hoses in automotive or industrial cooling systems. It handles temperatures from -65° to 350°F and resists degradation from coolant, making it suitable for engine cooling, HVAC, and process fluid lines.
What are the specifications of the FLEXTECH R40-300/3625 hose reducer?
The FLEXTECH R40-300/3625 is a blue silicone SAE J20 heater hose reducer with a 3 in length. It transitions from a 3 in to a 3 1/4 in hose inside diameter. The tube and cover are silicone, rated for -65° to 350°F. The manufacturer part number is R40-300/3625.
Where to buy FLEXTECH hose reducers worldwide?
3G Electric supplies FLEXTECH hose reducers like the R40-300/3625 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this silicone SAE J20 reducer.
How to install a FLEXTECH silicone hose reducer?
To install a FLEXTECH silicone hose reducer, cut the larger hose to length, slide the reducer onto the smaller hose, then push the larger hose over the reducer. Secure both ends with appropriate clamps. Ensure the reducer is fully seated and the temperature range (-65° to 350°F) matches your application.
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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.









