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Description
Apex Chassis Heavy Duty Front Upper Ball Joint, Knurled 18-21 Jeep Wrangler JL 20-21 Jeep Gladiator JTApex Chassis Heavy Duty Front Upper Ball Joint, Knurled. Note: Knurled is designed for vehicles with aluminum knuckles that have undergone 2 to 3 ball joint replacements. What It Fits: Jeep Wrangler JL (2018 2026) 4WD Jeep Gladiator JT (2019 2026) 4WD The Special Sauce: Housing SAE 1045 Solid Steel Forged Housing: This is unequivocally the best carbon alloy steel for this application. Knurled Housings: The preferred design for aftermarket
Apex Chassis Heavy Duty Front Upper Ball Joint, Knurled.
Note:
- Knurled is designed for vehicles with aluminum knuckles that have undergone 2 to 3 ball joint replacements.
What It Fits:
- Jeep Wrangler JL (2018-2026) 4WD
- Jeep Gladiator JT (2019-2026) 4WD
The Special Sauce:
Housing
- SAE 1045 Solid Steel Forged Housing: This is unequivocally the best carbon alloy steel for this application.
- Knurled Housings: The preferred design for aftermarket installations.
- CNC Machined Housing: Make our parts and bearings dimensionally perfect, eliminating any die wear issues.
Ball Studs
- SAE 4140 Hot Forged Chromoly Ball Studs: For the strongest possible metallurgy.
- Induction Heat Treated Ball Studs: Provides a very precise heat treatment to the exact depth and location we want it.
- Polished Ball Studs: Built like an anti-friction bearing with extremely precise tolerances.
- Rolled Threads: Made by pressing the shape of the threads into the ball stud instead of cutting. This strengthens the threads instead of weakening them and allows for easy movement of hardware. This ain't no Ikea furniture!
- Step Threads: Allows for very easy movement of hardware on install and superior holding when torqued (installer choice).
Bearing Design
- Bronze Bearing Design: Our newest improvement in bearing design. Combines our perfectly polished ball studs, encased in a solid steel forged housing, lined with a highly durable, low friction bronze bearing.
Boots
- CR Rubber Boots: The most durable material for undercar applications. Resistant to deterioration from road level ozone, oil/gas/engine fluids and extreme heat or cold.
- Internal Seal Boot: The boot is coined onto the ball joint, for superior sealing against contaminants.
Hardware
- Grade 8 - Class 10.9 Hardware: Superior tensile strength.
- Castle Nut: Industry standard where high vibration loads occur.
Lubrication
- Pre Threaded Zerk Housing: If you have ever installed a MOOG Ball Joint without a pre-threaded zerk fitting you will understand what a simple but great feature this is. Another installer fav.
- Greaseable: Because it should be.
- Pre-Greased: Just in case you forget, we have you covered.
- Gull Winged Grease Grooves: Allows for improved lubrication disbursement around the ball stud.
- Zerk Fittings: Included for every application.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Asurion Protection is worth it
After 3 years monitor had power issues. Asurion was unable to repair the monitor and provided a full refund with an Amazon Gift Card. Support was excellent and process was quick and easy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
★★★★★ 5
MUST HAVE INSURANCE!
Excellent process to submit a claim! Easy claim submission, took less than 3 days for claim approval!
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Reviewed in the United States on June 11, 2026
★★★★★ 5
Quick and Fantastic Service!
I include the additional protection for all of my high dollar purchases. This was the first time I have ever had to use it. I had an extension to provide additional screens to my laptop. Unfortunately, it developed an issue. Submitting a claim was easy and straightforward. UPS came the next day to pick it up and I was notified in just a couple of days that it was received. Only a couple of days after that, I received an email stating that my laptop screens were not repairable and I was given an Amazon card for the entire purchase price. I could not have been more pleased, as the purchase price was $599 and was a huge splurge for me in the first place. I was able to quickly replace the screens and back in business in no time. I would recommend this protection plan for any high dollar purchase.
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Reviewed in the United States on January 12, 2024
★★★★★ 5
They paid on the policy
I bought a four year replacement policy on my modem and two years into its lifespan it stopped working. I trouble shot with the company but we eventually determined it was dead. I contacted Asurion, they sent me a pre-paid address label, I mailed the defective modem, they found that it was dead and deposited a credit in the amount of the original purchase in my Amazon account, all within a few days. I am quite happy with the service. Just so you know, the reimbursement is through a gift card at Amazon which you can draw down against your purchases; it is not CASH.
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Reviewed in the United States on June 26, 2024
★★★★★ 5
Nearly 3 years later, Asurion had my back :)
In Nov of 2017 I bought a $900 35" Ultra wide PC monitor for Gaming and Work.
It was made by a company called AOC/Envision and I bought it through amazon.
The monitor had a 3 year warranty that I was still within but they said no to a defect that they said was only covered for 1 year, even though it wasn't the type of defect that was only covered for 1 year.
LUCKILY, back in 2017 I had purchased an Asurion insurance policy with this monitor.
I told an Asurion agent in a instant messaging chat window on the Asurion website my problem and she sent me postage in an email. I shipped my product and in 5 days from shipping it I received a text telling me that it was beyond repair and I would be getting a FULL REFUND!
Not 2hr later, in an email, there it was, an amazon gift card code for $900
I will not be making any big purchases without an Asurion plan going forward. Happy customer
Don't buy anything AOC
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Reviewed in the United States on October 16, 2020