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UltraStat Thermostat; 170-Degree (03-09 4.7L 4Runner)Find parts that fit my vehicle

Item TR43970
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$18.99

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      Product Information

      Features, Description, Q&A

      Features

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      • Heavy Gauge Stainless Steel Components Offer Increased Reliability And Long-Lasting Durability
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      • Exclusive BLVT™ Valve Technology Minimizes Thermal Shock To Cooling System Components
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      • Stainless Steel Thermal Element For Unmatched Corrosion Resistance And Revolutionary REAX™ Wax Mixture Provides Quicker Reaction Time
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      • AccuSpring™ Design For Stable Temperature Control And Increased Cabin Comfort
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      • Outlet Inside Diameter 1.48 IN
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      • Outlet Outside Diameter 1.72 IN
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      • Valve Outside Diameter 1.61 IN
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      • Engine Coolant Thermostat Quantity 1
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      • Bypass Flange Diameter 1.18 IN
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      • Bypass Flange Diameter 29.97 MM
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      • Includes Jiggle Pin Check Valve Yes
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      • Jiggle Pin Weep Hole Yes
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      • Gasket Or Seal Required Yes
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      • Seal Quantity 0
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      • Height Between Flanges 1.61 IN
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      • Height Between Flanges 40.89 MM
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      • Type UltraStat
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      • Height 2.30 IN
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      • Height 58.42 MM
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      • Electric No
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      • Start To Open Temperature 170.0 Deg. F
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      • Start To Open Temperature 76.67 Deg. C
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      • Material Stainless Steel
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      • Installation Tool Included No
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      • Design OEM
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      • Grade Type OEM
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      • Gasket Or Seal Pre-Installed No
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      • MAP Controlled No
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      • Sealing Flange Outside Diameter 2.51 IN
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      • Sealing Flange Outside Diameter 63.75 MM
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      • Bypass Flange Length 1.66 IN
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      • Bypass Flange Length 42.16 MM
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      • Gasket Or Seal Included No
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      • Jiggle Pin Check Valve Quantity 1
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      • Flange Thickness 0.05 IN
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      • Flange Thickness 1.27 MM
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      • Flange Height 0.05 IN
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      • Flange Height 1.27 MM
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      • Gasket Quantity 0
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      • Depth 1.55 IN
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      • Depth 39.37 MM
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      • Bolt Hole Quantity 0
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      • Fits 03-09 4.7L 4Runner
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      Description

      Superior Thermal Control. The UltraStat Thermostat, rated to open at 170 degrees Fahrenheit, efficiently regulates engine temperature by controlling coolant flow to the radiator. This essential function ensures the engine reaches and maintains optimal operating temperatures, preventing overheating and improving fuel efficiency and emissions control.

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      Construction and Appearance. Constructed from heavy gauge stainless steel, this thermostat offers exceptional durability and corrosion resistance. It features a stainless steel thermal element combined with a proprietary REAX™ wax mixture for faster response times. Finished in a sleek silver tone, it is designed to OEM specifications for reliable performance.

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      Installation. Installation is straightforward with no drilling required, suitable for professional mechanics and experienced enthusiasts. The product includes a jiggle pin check valve to ensure proper coolant flow during installation.

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      Application. Designed specifically to fit the 03-09 4.7L 4Runner, ensuring precise fitment and compatibility without modifications.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.4

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      Questions & Answers

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      Will It Fit My 4Runner

      • Limited - 03, 04, 05, 06, 07, 08, 09
      • Sport - 03, 04, 05, 06, 07, 08, 09
      • SR5 - 03, 04, 05, 06, 07, 08, 09