2018-2024 Chevrolet Equinox Fender: Fitment, Rust, and Replacement Guide
Learn to spot the difference between OEM and aftermarket fenders, identify common rust and paint issues, and get a perfect fit on your 2018-2024 Equinox.
- Used OEM fenders offer the best fitment; aftermarket parts often have panel gap issues.
- Verify a used part is OEM by checking for body-color paint on the backside; aftermarket parts usually have black primer.
- Inspect the lower edge and inner lip for rust, a common issue for vehicles in salt-belt states.
- Check for paint chipping near the headlamp, a known issue covered by GM TSB #22-NA-081.
Symptoms of a Damaged or Failing Fender
Since a fender is a body panel, signs of failure are almost always visual. Damage typically comes from collisions, parking lot incidents, or corrosion.
- Visible Damage: This is the most obvious symptom and includes dents, dings, deep scratches, and creases from an impact.
- Rust and Bubbling Paint: Corrosion can start on the inside and bubble the paint on the outside. Pay close attention to the lower edge behind the front wheel and the lip inside the wheel well, as these areas trap moisture. While not as common as on the previous generation, rust is still a concern on vehicles from salt-belt states.
- Poor Panel Gaps: If the gaps between the fender, hood, door, and bumper are uneven, it could indicate the fender is loose, bent, or was poorly installed after a previous repair.
- Cracked or Chipped Paint: Look for paint chipping where the fender meets the front bumper cover or headlamp. A known issue, documented in GM Technical Service Bulletin #22-NA-081, is caused by an overly tight fit between these panels from the factory, leading to paint damage over time.
- Vibration or Noise: A loose fender may vibrate or rattle at speed, indicating broken or missing mounting bolts.
Buying a Used Fender for a 2018-2024 Equinox
Choosing a used Original Equipment Manufacturer (OEM) fender is often the best choice for value and quality. It was made by GM, so the fit, material thickness, and corrosion protection are identical to the original part. Aftermarket fenders, while cheaper, are frequently made from thinner metal and can have significant fitment issues, leading to uneven panel gaps and more labor for your body shop to install correctly.
What to Inspect Before You Buy:
- Check for Hidden Repairs: Bring a small magnet. If it doesn't stick to a certain area, that spot likely contains plastic body filler (Bondo) from a previous repair. Look at the backside of the fender for signs of sanding, overspray, or repair work.
- Verify it's OEM: A great way to tell an OEM fender from an aftermarket one is to look at the back. Factory OEM panels are usually fully painted in the vehicle's body color on the inside surface. Most aftermarket fenders will only have a thin black primer or e-coat on the back.
- Inspect All Mounting Points: Carefully check every hole and tab where the fender bolts to the vehicle. Ensure none are cracked, broken, or excessively elongated, as this will make proper alignment impossible.
- Examine for Rust: Thoroughly inspect the lower rear edge and the inner wheel arch lip. Run your fingers along the edge to feel for bubbling or flaking, which signals the start of corrosion.
- Confirm Compatibility: While most 2018-2024 Equinox fenders are the same, ensure there are no unexpected variations for your trim level, such as different mounting holes for trim pieces. The provided OEM part numbers are the best way to ensure a match.
Pro Tip: If you find a used OEM fender in the correct color for your vehicle, you may be able to install it without needing a full repaint, saving hundreds of dollars. Minor scratches can often be buffed out by a detailer.
Known Issues, Recalls, and Technical Service Bulletins (TSBs)
While the fender itself has not been subject to any safety recalls, there are some related issues to be aware of for this generation of Equinox.
- No Fender-Related Recalls: The 2018-2024 Equinox has had recalls for issues like door strikers, child seat anchors, and fuel pumps, but none involve the fenders directly.
- TSB for Paint Chipping: GM issued Technical Service Bulletin #22-NA-081 regarding paint chipping at the seam between the front fascia (bumper cover), fender, and headlamp. This is caused by tight panel fitment from the factory. When inspecting a vehicle or a used fender, check this area for signs of touch-up paint or chipping.
- Rust Concerns: Owners in northern climates (the "rust belt") have reported significant surface rust on the underbody, subframes, and rocker panels of 2018 and newer models. While the fender design flaw from the previous generation was fixed, these vehicles can still rust. Always inspect the lower portion of a used fender for any signs of corrosion.
Replacement Difficulty and Cost
Replacing a fender on a 2018-2024 Equinox is a moderately difficult job that a skilled DIYer can accomplish. The key challenge is achieving perfect alignment with the surrounding panels.
- Installation Difficulty: 3 out of 5.
- Estimated Time: 1.5 - 2.5 hours.
- DIY Feasible: Yes, for those with mechanical experience.
A forum user who completed the job noted that the entire front bumper does not need to be removed. The process involves removing the front wheel, partially removing the plastic fender liner, and then accessing bolts in the engine bay, door jamb, and under the front of the car. Tools required include 7mm, 10mm, T15, and T30 sockets, along with pliers and a wrench.
Cost Comparison
All fenders, new or used, will require painting unless you find a used one in a matching color. The prices below are for an unpainted part.
| Part Type | Estimated Cost |
|---|---|
| New OEM (GM) | $370 - $585 |
| New Aftermarket (CAPA Certified) | $120 - $285 |
| New Aftermarket (Standard) | $60 - $120 |
| Used OEM | $150 - $350 (Varies by condition) |
| Shop Labor (Installation & Painting) | $400 - $800+ (Varies widely by shop) |
Technical Specifications and Part Numbers
Always verify the part number for your specific vehicle. The left side is the driver's side, and the right side is the passenger's side.
| Position | OEM Part Number | Supersedes | Common Aftermarket # |
|---|---|---|---|
| Left (Driver Side) | 84751396 | 84172708 | GM1240402 |
| Right (Passenger Side) | 84751397 | N/A | GM1241402 |
Frequently Asked Questions (FAQ)
Do I need to paint a replacement fender?
Yes. All new fenders, whether OEM or aftermarket, come with only a black protective primer (e-coat). They must be painted to match your vehicle's color. The only exception is if you purchase a used fender that is already the correct color and in good condition.
Is it hard to replace an Equinox fender myself?
It is a moderately difficult job. While it doesn't require highly specialized tools, it does require patience to remove the fender liner and access all the bolts. The most challenging part is aligning the new fender to have even gaps with the hood, door, and bumper. If you are not comfortable with this, it's best left to a body shop.
Will an aftermarket fender fit as well as an OEM one?
Generally, no. Aftermarket fenders are known for having fitment issues. They may require bending, drilling, or other modifications to line up correctly. CAPA-certified aftermarket parts are tested to meet closer-to-OEM standards but may still not be as perfect as a genuine GM part. A used OEM fender will almost always fit better than a new aftermarket one.
What's the difference between a fender and a quarter panel?
A fender is the body panel over the front wheels and is typically bolted on, making it relatively easy to replace. A quarter panel is the body panel over the rear wheels. It is welded to the vehicle's unibody structure and is much more difficult and expensive to replace, requiring cutting and welding.
Technical Specifications
OEM Part Numbers: 84751396 (Left) 84172708 (Left, superseded) 84751397 (Right)
Material: Steel
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.
- Chevrolet Equinox:
- Symptoms of a Damaged or Failing Fender
- Buying a Used Fender for a 2018-2024 Equinox
- What to Inspect Before You Buy:
- Known Issues, Recalls, and Technical Service Bulletins (TSBs)
- Replacement Difficulty and Cost
- Cost Comparison
- Technical Specifications and Part Numbers
- Frequently Asked Questions (FAQ)
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