• Fitment: For Ford Engine 4.6L 5.4L 6.8L 3V
  • For Lincoln Navigator equipped with 5.4L 3-Valve model years 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, and 2014.
  • For Mercury Mountaineer equipped with 4.6L 3-Valve model years 2005, 2006, 2007, 2008, 2009 and 2010.
  • Please kindly check the application details for Ford 3V 4.6L & 5.4L & 6.8L engines on the below chart.
  • Visit my Store to see items that you like.

    For Ford 4.6L 5.4L 6.8L 3V Valve Spring Compressor Tool 6684 303-1039

    Fitment:
    For Ford Engine 4.6L 5.4L 6.8L 3V

    For Lincoln Navigator equipped with 5.4L 3-Valve model years 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, and 2014.

    For Mercury Mountaineer equipped with 4.6L 3-Valve model years 2005, 2006, 2007, 2008, 2009 and 2010.

    Please kindly check the application details for Ford 3V 4.6L & 5.4L & 6.8L engines on the below chart.

    Model    For Ford Mustang  For Ford F-150 For Fod Super Duty 250-550 For Ford Explorer   For Ford Sport Trac For Ford Expedition
    Engine 4.6L 4.6L/5.4L 5.4L/6.8L 4.6L 4.6L 5.4L
    Year 2005-2010 (4.6L) 2008-2010
    (5.4L) 2004-2010
    (5.4L) 2004-2010
    (6.8L) 2005-2018
    2005-2010 2006-2010 2005-2014


    Features:
    Part number: 6684 & Rotunda 303-1039.

    Allows a quick and easy service for Camshaft, Valve Seal, Valve Spring or Retainer with great convenience.

    NOTE: It may be necessary to push the valve down while compressing the spring. 

    Installation Instruction:

    Install 2-leg main body below the camshaft and above the engine block to form a pivot.

    Install the holding hook to the main body, aim the hook at the value spring, and tighten the knob to hold the valve.


    Package included:
    1pc Valve Spring Compressor



    Payment Info

    We accept PayPal、major Credit Cards (Amex, Visa, MasterCard, Discover)、Google Pay、Apple Pay、afterPay.

    Shipping will be arranged within 3 business day once payment is cleared

    Shipping

    Easy & Hassle Free Returns

    We now offer for US buyers 30 days money back guarantee . If  US buyers does not like the item or feels not satisfied with the product, we will cover the return shipping fee & US buyer can return the item and get refund for item price only.

    If any package that needs to be returned, please contact our customer service first to receive a RMA form.

    Any item that is approved for exchange, item will need to be in brand new condition, which means the item is never installed and needs to be kept in original packaging.

    We do not assume any responsibility for any installation fees charged by a shop under any circumstances.

    For more details regarding return policy, please contact our customer service team for assistance.

    contact us

    Any questions? Contact our Customer Service Team for professional assistance.

    If you have any questions before or after winning auction, please don't hesitate to contact our Customer Service Team .

    Emails will reply within 1 business day during business hours.

    Our office hours are Monday to Friday 8:00am - 5:30pm and Saturday 8:00am - 12:00 noon PST,

    we are off on Saturday afternoon and sunday and during all major holidays.

    [ Default Others: This is the contents of your Others. You can add a banner for this Others as header and add text descriptions here. The text descriptions can be different Font Size, Font Color, Style and even graphics and icons are also accepted. ]

    Visit my Store to see items that you like.

    Shop Category
    For Ford 4.6L 5.4L 6.8L 3V Valve Spring Compressor Tool 6684 303-1039

    Fitment:
    For Ford Engine 4.6L 5.4L 6.8L 3V

    For Lincoln Navigator equipped with 5.4L 3-Valve model years 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, and 2014.

    For Mercury Mountaineer equipped with 4.6L 3-Valve model years 2005, 2006, 2007, 2008, 2009 and 2010.

    Please kindly check the application details for Ford 3V 4.6L & 5.4L & 6.8L engines on the below chart.

    Model    For Ford Mustang  For Ford F-150 For Fod Super Duty 250-550 For Ford Explorer   For Ford Sport Trac For Ford Expedition
    Engine 4.6L 4.6L/5.4L 5.4L/6.8L 4.6L 4.6L 5.4L
    Year 2005-2010 (4.6L) 2008-2010
    (5.4L) 2004-2010
    (5.4L) 2004-2010
    (6.8L) 2005-2018
    2005-2010 2006-2010 2005-2014


    Features:
    Part number: 6684 & Rotunda 303-1039.

    Allows a quick and easy service for Camshaft, Valve Seal, Valve Spring or Retainer with great convenience.

    NOTE: It may be necessary to push the valve down while compressing the spring. 

    Installation Instruction:

    Install 2-leg main body below the camshaft and above the engine block to form a pivot.

    Install the holding hook to the main body, aim the hook at the value spring, and tighten the knob to hold the valve.


    Package included:
    1pc Valve Spring Compressor



    We accept PayPal、major Credit Cards (Amex, Visa, MasterCard, Discover)、Google Pay、Apple Pay、afterPay.

    Shipping will be arranged within 3 business day once payment is cleared

    We now offer for US buyers 30 days money back guarantee . If  US buyers does not like the item or feels not satisfied with the product, we will cover the return shipping fee & US buyer can return the item and get refund for item price only.

    If any package that needs to be returned, please contact our customer service first to receive a RMA form.

    Any item that is approved for exchange, item will need to be in brand new condition, which means the item is never installed and needs to be kept in original packaging.

    We do not assume any responsibility for any installation fees charged by a shop under any circumstances.

    For more details regarding return policy, please contact our customer service team for assistance.

    Any questions? Contact our Customer Service Team for professional assistance.

    If you have any questions before or after winning auction, please don't hesitate to contact our Customer Service Team .

    Emails will reply within 1 business day during business hours.

    Our office hours are Monday to Friday 8:00am - 5:30pm and Saturday 8:00am - 12:00 noon PST,

    we are off on Saturday afternoon and sunday and during all major holidays.

    [ Default Others: This is the contents of your Others. You can add a banner for this Others as header and add text descriptions here. The text descriptions can be different Font Size, Font Color, Style and even graphics and icons are also accepted. ]


    All rights reserved.



    On Mar 28, 2026 at 12:03:20 PDT, seller added the following information:

    Datacaciques