fits model: Gx460, 4runner. make: Toyota, Lexus. year: 2003–2022.

( Brand: Power Stop ), ( Manufacturer Part Number: Z36-606 ), ( Type: Brake Pad Set ), ( Placement On Vehicle: Left, Rear, Right )
The **Power Stop Z36-606 Rear Z36 Brake Pads Set (03-22 Toyota 4Runner, Lexus GX460, Part #Z36-606-M499)** represents a premium upgrade for off-road enthusiasts and daily drivers seeking superior stopping power, durability, and reliability in their rugged, high-performance SUVs. Engineered specifically for the rear axle of the 4th-generation Toyota 4Runner and Lexus GX460 (models from 2003 to 2022), this brake pad set is designed to meet the demanding requirements of both on-road commuting and extreme off-road conditions, where heat resistance, fade resistance, and consistent braking performance are critical. Crafted from high-performance ceramic composite materials, these pads deliver an optimal balance of friction, longevity, and minimal dust generation, ensuring a cleaner brake system and reduced wear on rotors over time. The Z36-606 pads feature a robust, heat-resistant formulation that resists glazing and fading under prolonged heavy braking, making them ideal for frequent downhill descents, aggressive trail driving, or towing heavy loads. Their precise fitment ensures a seamless installation, with no shims or spacers required, allowing for a clean, professional finish that maintains the integrity of the stock brake calipers and rotors. Whether tackling rocky trails, muddy river crossings, or high-speed highway stops, these pads provide the confidence-inspiring performance that serious off-roaders and performance-minded drivers demand. Backed by Power Stop s reputation for quality and backed by a manufacturer s warranty, this brake pad set is a trusted choice for those who refuse to compromise on braking performance in their 4Runner or GX460.
**Pros and Cons of buying a Power Stop Z36-606 Rear Brake Pads Set (03-22 Toyota 4Runner/Lexus GX460, Part #Z36-606-M499)**
### **Pros**
1. **Compatibility and Fitment**
The Z36-606 series is specifically designed for the rear brake systems of the 2003 2022 Toyota 4Runner and Lexus GX460, ensuring an exact fit without modification. This eliminates the risk of improper installation or premature wear due to sizing issues.
2. **Performance-Oriented Formulation**
Power Stop brake pads are engineered for enhanced stopping power and durability, particularly in high-performance or heavy-duty applications. The Z36 series is known for its semi-metallic composition, which balances friction and heat resistance, making it suitable for aggressive driving or towing.
3. **Durability and Longevity**
Semi-metallic pads like these typically last longer than organic or ceramic pads, especially in vehicles that see frequent heavy use. The reinforced formulation reduces wear on both the pads and rotors, extending the life of the entire brake system.
4. **Heat Resistance**
These pads excel in high-temperature environments, such as downhill driving, towing, or repeated hard braking. They resist glazing and fading, which can occur with cheaper pads, ensuring consistent braking performance over time.
5. **Aftermarket Reputation**
Power Stop is a well-regarded brand in the aftermarket brake industry, known for reliability and consistent quality. Many enthusiasts and mechanics trust their products for performance vehicles and daily drivers alike.
6. **Ease of Installation**
The pads are designed for straightforward installation, requiring only basic tools. The packaging often includes clear instructions, and the fitment is straightforward for those with moderate mechanical experience.
7. **Cost-Effective for High Mileage**
While the upfront cost may be higher than basic pads, the longevity and performance can make them cost-effective in the long run, especially for vehicles with high mileage or heavy loads.
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### **Cons**
1. **Higher Initial Cost**
Power Stop brake pads are premium products, and the Z36-606 set will cost more upfront compared to generic or budget-brand alternatives. This may be a deterrent for budget-conscious buyers.
2. **Noise Sensitivity**
Semi-metallic pads can sometimes generate more noise (squeaking or grinding) compared to ceramic or organic pads, particularly when new. This is often due to the metal fibers in the composition and can be mitigated with high-quality brake grease or anti-squeal washers.
3. **Potential for Rotor Wear**
While the pads are durable, the semi-metallic formulation can accelerate rotor wear if not paired with compatible rotors (e.g., high-quality drilled or slotted rotors). Cheap or worn rotors may wear out faster, leading to additional costs.
4. **Limited Availability of OEM-Equivalent Parts**
If you prefer to stick strictly to OEM parts for warranty or resale purposes, these aftermarket pads may not be ideal. However, many owners prioritize performance over OEM compliance.
5. **Environmental Concerns**
Semi-metallic pads contain metal fibers, which can contribute to brake dust and wear debris. While not as harmful as asbestos (which is no longer used), they may require more frequent cleaning of wheels and tires compared to ceramic pads.
6. **Potential for Overkill in Mild Use**
If your driving is primarily light (e.g., city commuting with minimal towing), the performance benefits of these pads may not be fully utilized. In such cases, a more affordable pad might suffice.
7. **Installation Challenges for DIYers**
While the installation is generally straightforward, some users may find it more involved than expected, especially if they lack experience with brake jobs. Improper installation (e.g., uneven bedding) can reduce performance and lifespan.
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### **Conclusion**
The Power Stop Z36-606 rear brake pads are an excellent choice for owners of the 2003 2022 Toyota 4Runner or Lexus GX460 who prioritize **performance, durability, and heat resistance**. They are particularly well-suited for drivers who tow, haul, or engage in aggressive driving, as well as those who want a long-lasting solution without frequent replacements. The semi-metallic composition ensures strong stopping power and resilience, though it comes with slightly higher noise sensitivity and a greater impact on rotor wear.
For **budget-conscious buyers** or those with mild driving habits, cheaper pads might be adequate. However, for **enthusiasts, heavy users, or those seeking a reliable upgrade**, the Z36-606 set is a strong recommendation. Pairing these pads with high-quality rotors (e.g., Power Stop s own rotor options) and proper bedding procedures will maximize their benefits and longevity.
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### **Recommendation**
**Buy the Power Stop Z36-606 rear brake pads if:**- You drive your 4Runner or GX460 aggressively, tow frequently, or carry heavy loads.
- You want a durable, high-performance pad that minimizes frequent replacements.
- You are willing to invest in a premium product for long-term reliability.
- You have experience with brake jobs or are comfortable following installation guidelines carefully.
**Consider alternatives if:**- Your budget is tight, and you can find equally durable pads at a lower cost (e.g., Akebono, Wixon, or budget Power Stop options).
- Your driving is primarily light, and you don t need the extra stopping power.
- You prefer OEM parts for warranty or resale reasons (though Power Stop is widely accepted in aftermarket circles).
**Final Verdict:** For most performance-oriented or heavy-use applications, the Z36-606 set is a **highly recommended upgrade** that delivers on durability, heat resistance, and stopping power. Pair them with compatible rotors and proper maintenance for the best results.
Fitment / Compatibility. Specially engineered to handle the thermal demands of heavy towing, mountain driving, off-Reading, or oversized tire setups, this friction kit ensures unmatched pad bite without sacrificing daily provability. Multi-layer stainless steel shims offer maximum heat dissipation and near-silent braking. Premium powder-coated backing plate resists severe trail rust and corrosion over an extended lifespan.
Product Features. Series: Z36 Extreme Truck Tow. Specifications / Details. Thermal scorched pad surface allows for an incredibly fast and effective break-in period.
Brand: Power Stop. 2003 2023 Lexus GX. Item is new and unused in open box condition. Position: Rear Axle Set 4 pads and premium hardware clips included.
MPN: Z36-606. Notes / Condition. Low-dust formulation verified in independent on-vehicle testing to keep wheels cleaner. Carbon-fiber infused ceramic formula provides severe-duty Stopping Power for heavy Suva and trucks.