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Summit Racing™ Radiator Hose Adapter Kits

4.43 out of 5 stars 53 Customer Reviews

These Summit Racing™ radiator hose adapter kits are designed to install a smaller sized radiator hose onto a larger sized radiator hose outlet.

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Summit Racing™ Radiator Hose Adapter Kits SUM-3901250

Radiator Hose Union, 1.250 in. hose barb, Aluminum, 1/8 in. NPT gauge port for temperature senders.

Part Number: SUM-3901250

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025