$12K Summer Sweepstakes! Enter Now >

Find Engine Components for your Sierra 1500

High Flow Thermostat with Seal; 195-Degree (99-00 4.3L Sierra 1500)Find parts that fit my vehicle

Item S583693
Our Price

$14.99

Military, Medical & First Responders $0.80 Available in AT Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Q&A

      Features

        _x000D_
      • Larger Opening For Increased Coolant Flow
      • _x000D_
      • Increased Strength And Durability
      • _x000D_
      • High Grade Stainless Steel And Copper Construction
      • _x000D_
      • Meets Or Exceeds Oem Standards
      • _x000D_
      • Consistent And Precise Response To Cooling System Needs
      • _x000D_
      • Outlet Inside Diameter 1.23 In
      • _x000D_
      • Outlet Outside Diameter 1.43 In
      • _x000D_
      • Valve Outside Diameter 1.35 In
      • _x000D_
      • Installation Tool Not Included
      • _x000D_
      • Engine Coolant Thermostat Quantity 1
      • _x000D_
      • Gasket Or Seal Included
      • _x000D_
      • Jiggle Pin Check Valve Quantity 1
      • _x000D_
      • Flange Thickness 0.05 In
      • _x000D_
      • Flange Height 0.05 In
      • _x000D_
      • Gasket Or Seal Pre-Installed
      • _x000D_
      • Grade Type Oem
      • _x000D_
      • Gasket Or Seal Material Rubber
      • _x000D_
      • Start To Open Temperature 195.0 Deg. F
      • _x000D_
      • Design Oem
      • _x000D_
      • Not Map Controlled
      • _x000D_
      • Non-Electric
      • _x000D_
      • Height 2.18 In
      • _x000D_
      • Material Steel And Copper
      • _x000D_
      • Seal Material Rubber
      • _x000D_
      • Height Between Flanges 1.53 In
      • _x000D_
      • Seal Type O-Ring
      • _x000D_
      • Jiggle Pin Weep Hole Included
      • _x000D_
      • Type High Flow
      • _x000D_
      • Bolt Hole Quantity 0
      • _x000D_
      • Gasket Or Seal Required
      • _x000D_
      • Sealing Flange Outside Diameter 2.12 In
      • _x000D_
      • Bypass Flange Diameter 1.09 In
      • _x000D_
      • Bypass Flange Length 1.40 In
      • _x000D_
      • Fits 99-00 4.3L Sierra 1500
      • _x000D_

      Description

      High Flow Thermostat Overview. The High Flow Thermostat with Seal; 195-Degree is designed to regulate engine temperature by precisely controlling coolant flow. It ensures that the engine reaches optimal operating temperature efficiently, improving performance and preventing overheating. This thermostat is a critical component in maintaining the longevity and reliability of the cooling system.

      _x000D__x000D_

      Construction and Appearance. The thermostat features high-grade stainless steel and copper materials, ensuring durability and resistance to wear. It includes a rubber O-ring seal pre-installed for secure and leak-free installation. The finish presents a professional silver and brass appearance, reflecting the premium quality of the components used.

      _x000D__x000D_

      Installation. Installation is straightforward with no need for drilling or modifications. The unit is designed for direct replacement, making it suitable for professional mechanics and experienced enthusiasts looking for reliable cooling performance.

      _x000D__x000D_

      Application. This thermostat fits the 99-00 4.3L Sierra 1500, providing a precise match for this vehicle’s cooling system requirements without the need for additional modifications.

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

      4.4

      Reviews of similar Engine Products (15)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 1500