Toyota 4Runner Disc Brake Hardware Guide: 2019-2025
Stop brake noise and uneven wear on your 4Runner by replacing the small parts that matter most.
- Always replace your disc brake hardware kit when changing brake pads to prevent noise and uneven wear.
- A known TSB (T-SB-0051-22) exists for front brake squeal on 2019-2021 models, often fixed by replacing pads and hardware.
- For aftermarket brands, Dynamic Friction offers a performance upgrade, Carlson is a reliable budget option, and Raybestos has mixed quality reviews.
- Symptoms of bad hardware include squealing noises, the vehicle pulling to one side, and uneven pad wear.
Is Your 4Runner Making Brake Noises?
Brake noises like squealing, grinding, or clicking are common signs that your brake hardware is worn, rusted, or was not installed correctly. These sounds often happen during light braking or right after you've replaced your brake pads. You might also feel the vehicle pull to one side when you brake. This can happen if a caliper slide pin, which is part of the hardware, is seized and not letting the brake pad move freely.
Known Issue: Official Toyota Service Bulletins
🎬 Watch: Toyota's official explanation for common brake squeaks and groansToyota has issued Technical Service Bulletins (TSBs) for brake noise on these 4Runners. TSB T-SB-0051-22 addresses a squeal from the front brakes on 2019-2021 models. TSB T-SB-0046-25 was released for a loud squeal when backing up on 2025 models. In both cases, the fix involves replacing brake pads and/or hardware like shims and anti-rattle clips. If your 4Runner is under warranty and has these specific symptoms, a dealer may perform the repair.
Choosing the Right Aftermarket Hardware
When you replace your brake pads, you should always install a new hardware kit. Reusing old, rusty, or heat-fatigued clips and pins is a common cause of brake problems. For your 4Runner, you have a choice between OEM and several aftermarket brands.
OEM Hardware: Toyota's original hardware is a safe choice known for perfect fitment and quiet operation. It's a reliable benchmark, but often costs more than aftermarket options.
Aftermarket Hardware: Aftermarket brands offer a range from basic replacements to performance upgrades. Here’s a look at the available brands:
- Good (Economy): Carlson is a well-regarded budget brand. Forum users and mechanics find their kits fit well and are a good value for a daily driver. They are a solid choice if you just need a reliable, standard replacement.
- Better (Daily Driver Upgrade): Raybestos is a popular brand, but online reviews are mixed. While some users have no issues, others report fitment problems with their Element3 line, requiring modification to install. It can be a good product, but be prepared for potential quality control inconsistencies.
- Best (Performance/Heavy Duty): Dynamic Friction (DFC) is often seen as an upgrade over stock. Their hardware kits are noted for using more stainless steel components than competitors. Users report their pads and hardware offer strong performance, sometimes better than OEM, with good pedal feel and less dust. This is a strong choice if you tow or want a more confident brake feel.
Pro Tip: Many experienced 4Runner owners and mechanics recommend using high-quality ceramic pads (like Akebono, which is an OEM supplier for Toyota) paired with a quality aftermarket hardware kit and coated rotors. This combination often provides the best balance of performance, low noise, and value.
How Much Does a New Disc Brake Hardware Kit Cost?
The cost for the hardware kit itself is low, but it's almost always replaced as part of a larger brake job.
| Part Type | Price Range (Part Only) |
|---|---|
| New Aftermarket Hardware Kit | $10.45 - $30.63 |
| New OEM Hardware Kit | $25 - $45 |
| Shop Labor (for front brake job) | $100 - $200 |
Frequently Asked Questions
Do I really need to replace the hardware with my brake pads?
Yes. The old clips lose their spring tension from thousands of heating and cooling cycles. The old pins can get corroded. Reusing them is a top cause of brake noise and uneven pad wear. For the low cost, it's essential insurance for a proper brake job.
Can I install a disc brake hardware kit myself?
Yes, if you are comfortable replacing your own brake pads, you can install the hardware. The process is straightforward and part of a standard brake pad replacement. 🎬 See this walkthrough on replacing front brake pads and rotors It involves removing the old clips and pins and installing the new ones. The difficulty is moderate and requires basic hand tools.
What is the difference between front and rear hardware kits?
Front and rear brake hardware kits are not interchangeable. The front brakes on your 4Runner are larger and do most of the braking, so their hardware is different from the rear. Always buy the specific kit for the axle you are working on.
My new brakes are squeaking. Is it the hardware?
It could be. If the hardware wasn't replaced, is installed incorrectly, or if the caliper slide pins weren't lubricated, 🎬 Learn how to properly clean and lubricate your slide pins it can cause noise. Another common cause is not cleaning the new rotors with brake cleaner before installation to remove oils. Also, check if the dust shield behind the rotor was accidentally bent and is now touching it.
Helpful Videos
Technical Specifications
OEM Part Numbers: 04947-0E031 04947-35050 04947-60150
Kit typically includes anti-rattle clips, pad abutment clips, and guide pin bushings. Materials vary by brand, with some using stainless steel for better corrosion resistance.
We Have This Part in Stock
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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