Product Description
This Is A OE Style Direct Replacement Thermal Ported Vacuum Switch That Is Located On The Side Of The Air Cleaner Assembly Which Hooks Up Into Your Emission Vacuum Harness On A 4.2 Liter Engine.
This Air Cleaner Thermal Vacuum Switch Is Specifically Designed & Correct For All Jeep Grand Wagoneers, Full Size Wagoneers Full Size Cherokees, Jeep J10 & J20 Pick Up Trucks From 1980-1988.
This Thermal Vacuum Switch Works Off The Temperature Of The Intake Manifold & Then Opens The Flap Of The Air Cleaner Once Warmed Up To Allow Fresh Air To Be Forced In To Get Better Mileage & Performance Once The Engine Is Properly Warmed Up.
This Thermal Vacuum Switch Is The Same Or Better Than The OE Switch & For Less Than Half Dealer List Price Of Over 15 Years Ago.
REPLACES OE AIR CLEANER THERMAL VACUUM SWITCH PART# J3237457
TEAM GRAND WAGONEER AIR CLEANER THERMAL VACUUM SWITCH PART# 3237457