Factory Style Replacement Cooling Fan Switch For Toyota Highlander Engine Radiator Cooling System Direct Bolt On Fit Straight Swap Plug And Play Reliability Guarantee

Direct fit radiator cooling fan switch for Highlander trims
✔️ One relay switch fixes Highlander cooling fan operation smoothly

This plug and play component keeps your engine thermostat happy during city commuting. You mount it directly into the radiator shroud to maintain airflow on demand.

✅ WVE 1S1388 part number guarantees exact dimensional crossover
✅ Compatible with ACDelco E1894A, Duralast SW1436, and Toyota 89428-41010 references
✅ Sealed internal contacts block moisture from corroding starter connections
✅ Bolt in design saves mechanic hours on tight engine bay swaps

💡 How do you confirm a cooling fan switch matches your model year setup? You select a handy upgrade that aligns with your factory mounting holes and thermal response range. - Verify the engagement temperature threshold against your stock operating parameters - Check the threaded stem length to ensure full seating in the coolant housing - Inspect the blade terminal width to guarantee solid voltage transfer under load