2020-2026 Jeep Gladiator Tailgate Bumper: Fixing Rattles & Clearing Up Part Confusion
This guide clarifies the difference between the simple tailgate stop bumper and the expensive, Mojave-specific suspension jounce bumper that is often confused with it.
- The part numbers 68341367AC/AD are for an expensive Mojave-specific SUSPENSION part, NOT the tailgate bumper.
- The correct part number for the simple, inexpensive rubber tailgate stop bumper is 68341650AB.
- A missing or worn tailgate bumper is a primary cause of tailgate rattles, but is a very easy and cheap part to replace.
- If you have other tailgate problems like a lock that won't open, it may be related to a separate TSB for the lock controller, not the bumper.
A Critical Clarification: Tailgate Bumper vs. Suspension Jounce Bumper
A common point of confusion for 2020-2026 Jeep Gladiator owners, especially those with the Mojave trim, involves the tailgate bumpers. It is critical to distinguish between two completely different parts that are often mixed up:
- Tailgate Stop Bumper: A small, inexpensive rubber stop that prevents tailgate rattles.
- Suspension Jounce Bumper: A large, expensive, and critical suspension component that prevents the suspension from bottoming out.
Warning: The OEM part numbers 68341367AC and 68341367AD are NOT for the tailgate. They are for the Mojave-specific front suspension jounce bumper, a part that costs hundreds of dollars. If you are trying to fix a tailgate rattle, this is not the part you need.
This table breaks down the differences:
| Attribute | Tailgate Stop Bumper | Suspension Jounce Bumper (Mojave) |
|---|---|---|
| Function | Cushions tailgate, stops rattles | Prevents suspension from bottoming out |
| Location | On the truck bed, contacts the tailgate | On the front axle/frame as part of the suspension |
| Common Part Number | 68341650AB | 68341367AD (supersedes 68341367AC) |
| Approx. New OEM Price | $8 - $15 | $500 - $800 |
| Vehicle Fitment | Fits all Gladiator trims | Specific to Mojave / "High 4x4" packages |
Symptoms of a Failing or Missing Tailgate Bumper
Because the tailgate bumper is a simple piece of rubber, it doesn't 'fail' electronically. Failure is almost always physical. The most common symptoms are related to the bumper being worn down, brittle, or missing entirely.
- Annoying Rattles: The most common symptom is a persistent rattling or clunking sound from the rear of the truck, especially when driving over bumps. This is caused by the tailgate moving slightly and hitting the truck bed.
- Tailgate Feels Loose: When you push on the closed tailgate, it may have excessive play or movement if the bumpers are missing or compressed.
- Difficulty Latching/Unlatching: In some cases, a twisted or damaged bumper can interfere with the tailgate closing properly, or make it difficult to open.
- Paint Wear: Over time, a missing bumper will allow the tailgate to rub against the painted surface of the truck bed, causing scuffs and potentially leading to rust.
Buying a Used Gladiator Tailgate Bumper
While these bumpers are inexpensive to buy new, you may find them included with a used tailgate assembly. If you are evaluating a used one, here’s what to check:
- Check for Pliability: Squeeze the rubber. It should still be flexible and have some give. If it's hard, brittle, or crumbly, it has dry-rotted and will not provide any cushioning.
- Inspect for Cracks: Look for small cracks, especially around the base where it mounts. A cracked bumper will soon break and fall off.
- Confirm the Shape: Ensure the bumper isn't permanently compressed or deformed. It should have its full original shape to function correctly.
Pro Tip: Given that a new OEM tailgate bumper (Mopar part 68341650AB) costs less than $15, it is almost always better to buy a new one. This ensures you get fresh, pliable rubber and avoids the risk of a used part failing shortly after installation.
Cost Comparison
This cost breakdown is for the actual tailgate stop bumper (68341650AB), not the suspension jounce bumper.
| Part Source | Estimated Cost |
|---|---|
| New OEM (Mopar) | $8 - $15 |
| New Aftermarket | $5 - $15 |
| Used OEM | $1 - $5 (often included with a larger tailgate assembly purchase) |
| Shop Labor | $0 - $25 (This is a simple task most shops would not charge for, or would include in a minimum 0.5hr diagnostic fee if troubleshooting a rattle.) |
Installation Guide (Difficulty: 1/5)
Replacing the tailgate stop bumper is one of the easiest tasks you can perform on your Gladiator. It requires no special tools and takes only a minute.
- Locate the Bumper: Open the tailgate and look on the side walls of the truck bed near the top. You will see the old bumper or the hole where it should be.
- Remove the Old Bumper: If the old bumper is still there, simply pull it out. It is held in by pressure and a small retaining nub. If it's stubborn, you can use a pair of pliers to grip and pull it.
- Install the New Bumper: Align the nub on the new bumper with the hole in the truck bed and push it firmly into place until it seats fully.
That's it. The replacement is complete.
Related Tailgate Issues on the Jeep Gladiator
If a new tailgate bumper doesn't solve your problem, you may be experiencing another common Gladiator tailgate issue:
- Faulty Lock Controller: A Customer Satisfaction Notification (ZE2) was issued for the tailgate lock controller on some 2021-2022 models. The controller could over-cycle and jam, preventing the tailgate from opening. The fix is a replacement of the controller by a dealer.
- Failed 3rd Brake Light: It is common for the LED third brake light, located in the tailgate handle, to fail. This is caused by a break in the internal circuit board and requires replacing the entire light assembly.
- Misaligned Latches: In some cases, the tailgate latches or strikers can be misaligned, causing difficulty in closing or leading to the tailgate opening unexpectedly.
Frequently Asked Questions (FAQ)
Can I use a standard Gladiator tailgate bumper on my Mojave?
Yes. The small rubber tailgate stop bumper (68341650AB) is the same for all trims, including the Mojave, Sport, Rubicon, and Overland. It is the suspension components that are often different on the Mojave.
What happens if I drive without a tailgate bumper?
Driving without the tailgate bumper will not cause a safety issue, but it will likely lead to a very annoying rattle from the tailgate moving against the bed. Over a long period, this could cause paint damage and extra wear on the tailgate latching mechanism.
Is the tailgate bumper the same for the left and right sides?
Yes, the same part number is used for both the driver and passenger sides of the truck bed.
My tailgate is still rattling after replacing the bumpers. What else could it be?
If new bumpers don't fix the noise, check the tailgate latch and striker alignment. Also, check the tailgate support cables to ensure they are not loose and rattling against the tailgate or bed. In some cases, items stored inside the bed or an aftermarket tonneau cover can also be the source of noise.
Technical Specifications
OEM Part Numbers: 68341650AB (Tailgate Stop Bumper) 68341367AC (Mojave Suspension Jounce Bumper - superseded) 68341367AD (Mojave Suspension Jounce Bumper - current)
Material: Rubber/Plastic
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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- 🛍️ Shop This Part
- A Critical Clarification: Tailgate Bumper vs. Suspension Jounce Bumper
- Symptoms of a Failing or Missing Tailgate Bumper
- Buying a Used Gladiator Tailgate Bumper
- Cost Comparison
- Installation Guide (Difficulty: 1/5)
- Related Tailgate Issues on the Jeep Gladiator
- Frequently Asked Questions (FAQ)
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