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Sold by: Triplenet Pricing INC
Sold by: Triplenet Pricing INC
(82484 ratings)
70% positive over last 12 months
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FB4000 Universal Replacement Rack & Pinion Steering Boot

4.0 4.0 out of 5 stars 854 ratings

To see product details, add this item to your cart. You can always remove it later.
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1 pack

Purchase options and add-ons

  • Fits most vehicles
  • Can be installed without removing rack and pinion from vehicle, thus eliminating need for an alignment
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions
  • One year *
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Additional Details

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Product Description

The Flexx Boot FB4000 is a universal replacement boot for rack and pinion steering mechanisms. This installation kit includes an installation cone and two wire straps. The FB4000 is compatible with over 97% of the world's cars that feature rack and pinion steering. The boot is made of rugged, specially formulated high stretch rubber.

Rack & Pinion Boot Fitting Instructions

The Rack & Pinion Boot Kit includes an installation cone that allows for the replacement of the boot without removing the tie rod end.

Realignment of the vehicle is not necessary after installation.

  1. Remove the outer tie rod retaining nut and detach from spindle
  2. Remove the old boot and clean the assembly
  3. Cut the boot to the next diameter smaller than the steering rack body
  4. Position the installation cone over the tie rod end threads
  5. Lubricate the inside of the boot and cone
  6. For easier installation, roll the boot back on itself, push it on the rack, and then push the rolled part onto the rack
  7. Make sure to position the vent downwards so that any moisture drains out
  8. Add lubricant as needed through the small end of the boot
  9. Install tie straps and grease fittings. Reinstall the tie rod end and tighten the ball joint retaining nut to manufacturers specs.

Note : The rack & pinion boot can also be installed in the traditional way by separating the outer tie rod from the inner tie rod.

This method might necessitate a wheel alignment.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Flexx Boot FB4000 Universal Replacement Rack & Pinion Steering Boot


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What's in the box

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    Customer reviews

    4 out of 5 stars
    4 out of 5
    854 global ratings

    Customers say

    Customers like the quality and ease of installation of the shoe insert. For example, they say it works great and is equivalent to OEM. That said, some complain about the fit and the lack of zip ties. Opinions are mixed on the value.

    AI-generated from the text of customer reviews

    19 customers mention17 positive2 negative

    Customers like the quality of the shoe insert. For example, they say it's a great product, works for the job, and has results that seem equivalent to OEM. Some mention that the rubber boot is really strong, and won't get damaged.

    "Great product for a vacuum control boot system" Read more

    "Good quality product at a great price!!" Read more

    "...It wont get damaged because the rubber boot is really strong. Idindt cut it untill it was alll the way in. It workd on my 07 ford fusion 2.3l" Read more

    "...Kind of misleading. Seems to be good quality though. Buy at your own risk. It may say it fits but it might not." Read more

    11 customers mention9 positive2 negative

    Customers like the ease of installation with the shoe insert. They say it's simple to use, slips on without trouble, and works perfectly.

    "ame in nice box it was easy to put on with no grease" Read more

    "...It just slipped on without trouble. If I had know this before I wouldn't have wasted my money on the universal boot." Read more

    "Very simple to use, just watch the video provided in the pictures section in product description...." Read more

    "Watch the video it really helps. Was pretty easy to install. Had a little trouble getting it over the tie end, was afraid it was going to rip...." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the performance of the shoe insert. They mention it's a great product and a time saver.

    "...included, I used my own metal zips, otherwise a great product and time saver!!" Read more

    "...I'd buy it again if I need to do another in the future, huge time saver and no need to realign the front suspension." Read more

    "Fast delivery" Read more

    12 customers mention8 positive4 negative

    Customers are mixed about the value of the shoe insert. Some mention it's worth the money, great deal, and saves a lot of money by not needing a realignment. However, others say it'd be a waste of money, cheap product, and over priced.

    "Good quality product at a great price!!" Read more

    "This product is an interesting idea but not well-executed...." Read more

    "...But worth the money! Luckily I only needed one but should have bought two for replacing evenly." Read more

    "...Replacing the rack & pinion boot using the installation cone saved a lot of money by not needing a realignment...." Read more

    45 customers mention8 positive37 negative

    Customers are dissatisfied with the fit of the shoe insert. They mention that it didn't fit their vehicle as described, had gaps, and was tight around the knuckle. Some customers also mention that the molded ends were too small to fit on the rods.

    "Does not fit 2015 Dodge Journey 3.6L" Read more

    "...the inner tie rods in my 2004 Chevy Trailblazer and the small molded ends were too small to fit on the rods anyway...." Read more

    "Unfortunately this replacement part did not fit as described and I had to try and modify it to fit correctly...." Read more

    "...the boots on my Cadillac and upon unboxing this item, it’s 3x smaller than the one needed. I can’t return because the return window is closed." Read more

    5 customers mention0 positive5 negative

    Customers are dissatisfied with the zip ties provided with the shoe insert. They mention that the zip tie is not long enough and the clamps are not included.

    "...The is too short of span the required length of the inner tie rods in my 2004 Chevy Trailblazer and the small molded ends were too small to fit on..." Read more

    "...The stupid zip ties weren't even included...the box definitely looked like it had been opened b4" Read more

    "...No clamps, no zip ties (added $6 cost to a $20 item). It doesn't come with any grease...." Read more

    "If you don't have the rite tool it's a hassle the zip tie is too short to me thanks I have to make due." Read more

    4 customers mention0 positive4 negative

    Customers are dissatisfied with the durability of the shoe insert. They mention that it tears easily, rips on installation, and is smashed upon arrival.

    "...fit my car, a 2008 Dodge Nitro, well it does not fit my car, actually tore right when we were trying to put it over the knuckle of the outer tie rod..." Read more

    "the box was smashed, there were no install instructions," Read more

    "Waste of money ..returned it also was ripped open out of packing when it showed up" Read more

    "Ripped on installation..." Read more

    Worked great on Kawasaki Mule Pro FXT 2019
    5 Stars
    Worked great on Kawasaki Mule Pro FXT 2019
    Great fit. Trimmed it down and it fit perfectly.
    Thank you for your feedback
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    Top reviews from the United States

    Reviewed in the United States on February 3, 2024
    Size: 1 packVerified Purchase
    Reviewed in the United States on July 1, 2021
    Size: 1 packVerified Purchase
    10 people found this helpful
    Report
    Reviewed in the United States on February 14, 2024
    Size: 1 packVerified Purchase
    Reviewed in the United States on November 25, 2023
    Size: 1 packVerified Purchase
    Reviewed in the United States on January 27, 2024
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    Reviewed in the United States on February 26, 2022
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    Reviewed in the United States on July 20, 2023
    Size: 1 packVerified Purchase
    Reviewed in the United States on May 30, 2023
    Size: 1 packVerified Purchase
    Customer image
    5.0 out of 5 stars Worked great on Kawasaki Mule Pro FXT 2019
    Reviewed in the United States on May 30, 2023
    Great fit. Trimmed it down and it fit perfectly.
    Images in this review
    Customer image Customer image Customer image
    Customer imageCustomer imageCustomer image
    One person found this helpful
    Report

    Top reviews from other countries

    ralph
    5.0 out of 5 stars easier then i thought
    Reviewed in Canada on December 14, 2022
    Size: 1 packVerified Purchase
    John Bourassa
    5.0 out of 5 stars This fits
    Reviewed in Canada on December 5, 2023
    Size: 1 packVerified Purchase
    Holly Whitney
    4.0 out of 5 stars Flex boots
    Reviewed in Canada on February 19, 2024
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    Redish
    1.0 out of 5 stars Not universal!
    Reviewed in Canada on August 28, 2023
    Size: 1 packVerified Purchase
    Lorna
    5.0 out of 5 stars Universal fit
    Reviewed in Canada on October 31, 2022
    Size: 1 packVerified Purchase