Land Rover Discovery 2 Inline Kit

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  • 170 degree thermostat element
  • 180 degree thermostat element
  • 190 degree thermostat element
  • 170 degree thermostat element
  • 180 degree thermostat element
  • 190 degree thermostat element
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Special kit designed specifically to fit 99-04 Land Rover Discovery 2.   Provides much more consistent temperature around selected thermostat setting.  Improved reliability over factory system.  Includes two paper gaskets, your choice of temperatures in one high quality thermostat, hose splice that goes in place of factory thermostat, bolts, and full instructions.  Existing hose clamps and hoses are re-used.  Thermostat delete option also available. Note:  The sensor port up variant does not fit as tightly to the radiator shroud as the sensor port down variant does (see photos below).  Sensor port up variant is for users who want to run an external temperature gauge.

Extra thermostat elements, re-usable Fel-Pro gasket, and/or extra paper gaskets available as spares.

Normal, close fitting variant shown below (sensor port down).

Optional sensor port up variation shown below, for installation of temperature sensor.

Optional re-usable silicone gasket shown below - installation either side of thermostat acceptable.


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  • 1
    2004 Land Rover Discovery II. Order #466

    Posted by Ian Henn on Jun 24th 2022

    I would love to give a raving review, BUT!! Its been 14 days, the link to track the package doesn't work & the communicate link on the web site, that I have filled & sent in twice has garnered no response. I'm hoping by filling out this review it may get things going. order #466 Placed on June 10th, sent FedEx ground.

  • 5
    2002 Land Rover...

    Posted by James Anchors on May 25th 2022

    I have a matching set of Discovery II's The hottest point on the motor is the hot water pipe going to the heater core, before upgrading to the inline thermostat they were running at 215 degrees F. After installing the thermostat on each they now run at 190 F, that's a 25 degrees drop in water temperature. One of the Disco's is still stock while the other is built into an off road rig with locking diffs and chromoly axles, that one I use to go to a my mining claim in the Siskiyou national forest, it doesn't let me down.

  • 5
    The shipping was fast and the product works...

    Posted by James Zysek on May 13th 2022

    The shipping was fast and the product works flawless. Will recommend to others for sure

  • 5
    2003 Land Rover Discovery...

    Posted by jeff church on May 9th 2022

    The kit is great. I ordered mine with all gaskets and the plug for the bung. This kit does truly work. And it fits well. Instructions aren’t that great but the kit itself is awesome.

  • 5
    Discovery 2 inline...

    Posted by Thomas Horgeshimer on Apr 30th 2022

    Installed on 2003 discovery. Easy to install and had no issues since.

  • 5
    2000 Land Rover...

    Posted by Robert Bean on Apr 24th 2022

    Have not put it in the vehicle yet but the quality is great. When I get new hoses I will install it into the vehicle.

  • 5
    2000 discovery...

    Posted by dwayne Meikle on Apr 16th 2022

    thought engine was cooked. over heating issues. installed an inline thermostat and it is running normal again.

  • 5
    Optimal Endurance for your engine!

    Posted by Samuel Dennis on Apr 12th 2022

    This upgrade will prolong your motor and increase cooling performance for a fair price, a must for extending your engine!

  • 5
    Easy to install & great...

    Posted by Daniel Maixner on Apr 11th 2022

    As stated, the inline-thermostat reduced coolant temps and the guide for installation made it so easy to install. I bought an 03 Discovery as my first "project" vehicle so I am new to these types of installations and it went smoothly.