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    Brake Pad & Rotor Specs

    2021 Ford Explorer – Brake Pad & Rotor Specs

    AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.

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    Quick reference

    SpecValue
    Front Pad PN (OEM)ML2Z-2001-A (verify with dealer)
    Front Pad PN (Akebono)ASP1874 (verify for specific trim)
    Front Pad PN (Bosch)BC1874 (verify for specific trim)
    Front Pad PN (Wagner)ZD1874 (verify for specific trim)
    Front Pad PN (Power Stop)17-1874 (verify for specific trim)
    Rear Pad PN (OEM)ML2Z-2200-A (verify with dealer)
    Rear Pad PN (Akebono)ASP1971 (verify for specific trim)
    Rear Pad PN (Bosch)BC1971 (verify for specific trim)
    Rear Pad PN (Power Stop)17-1971 (verify for specific trim)
    Front Rotor Diameter13.6 inches (345mm) (Explorer/ST/Platinum) / 12.8 inches (325mm) (Base/XLT/Limited)
    Front Rotor New Thickness1.18 inches (30mm) (Explorer/ST/Platinum) / 1.10 inches (28mm) (Base/XLT/Limited)
    Front Rotor Minimum Thickness1.10 inches (28mm) (Explorer/ST/Platinum) / 1.02 inches (26mm) (Base/XLT/Limited)
    Rear Rotor Diameter12.8 inches (325mm)
    Rear Rotor New Thickness0.79 inches (20mm)
    Rear Rotor Minimum Thickness0.71 inches (18mm)
    Caliper Piston Count (Front)2 (fixed for ST/Platinum), 1 (floating for others)
    Caliper Piston Count (Rear)1 (floating)
    Front Caliper Bracket Torque184 lb-ft (250 Nm) (verify with service manual)
    Rear Caliper Bracket Torque133 lb-ft (180 Nm) (verify with service manual)
    Front Caliper Slide-Pin Torque22 lb-ft (30 Nm) (verify with service manual)
    Rear Caliper Slide-Pin Torque22 lb-ft (30 Nm) (verify with service manual)
    Brake Fluid SpecDOT 4 LV Motor Vehicle Brake Fluid

    How to choose pads

    Choosing the right brake pads for your 2021 Ford Explorer depends largely on your driving style and priorities. There are three main types of brake pads to consider:

    • Ceramic Pads: These are popular for their low dust, quiet operation, and long lifespan. Ceramic pads offer excellent stopping power for everyday driving and are generally gentle on rotors. If you prioritize a clean wheel and quiet braking, ceramic is a great choice. Brands like Akebono and Bosch often offer excellent ceramic options.

    • Semi-Metallic Pads: Often considered the industry standard, semi-metallic pads are made from a mix of metallic fibers, fillers, and binders. They provide strong braking performance across a wide range of temperatures and are generally more aggressive than ceramic pads, making them a good choice for drivers who demand more responsive braking. However, they can be noisier and produce more dust than ceramic pads. Wagner and Power Stop frequently have great semi-metallic options.

    • Heavy-Duty/Performance Pads: If you frequently haul heavy loads, tow, or engage in spirited driving with your Explorer ST, you might consider heavy-duty or performance-oriented pads. These pads are designed to withstand higher temperatures and provide consistent braking under extreme conditions. They typically produce more dust and can be noisier than OE-style pads, but offer superior fade resistance. Power Stop's Z36 Truck & Tow series would be a good example for the Explorer.

    Always verify that the chosen pads are specific to your 2021 Ford Explorer's trim level, as brake systems can vary, especially between base models and the performance-oriented ST or Platinum.

    Typical service life

    The service life of your 2021 Ford Explorer's brake pads and rotors can vary significantly based on driving conditions, habits, and the type of materials used. Generally, you can expect the front brake pads to last between 30,000 to 70,000 miles, while rear pads might last longer, often between 40,000 to 80,000 miles. Rotors typically last through two sets of brake pads, but this is a generalization.

    Factors that can shorten brake life include:

    • Aggressive Driving: Frequent hard braking and rapid acceleration put more stress on the braking system, leading to faster wear.
    • City Driving: Stop-and-go traffic in urban environments causes more frequent brake application compared to highway driving.
    • Towing/Hauling: The added weight from towing or hauling puts a greater demand on the brakes, leading to increased heat and wear.
    • Terrain: Driving in hilly or mountainous areas can lead to more prolonged brake use, especially when descending.

    It's recommended to have your brakes inspected at least once a year or every 15,000 to 20,000 miles, whichever comes first. This allows technicians to assess pad wear, rotor condition, and overall brake system health.

    Common brake issues for this generation

    The 2021 Ford Explorer, being part of the sixth generation, is a relatively new vehicle, so widespread chronic brake issues are not extensively documented yet. However, some general brake concerns that can affect any modern vehicle, including the Explorer, might include:

    • Premature Wear: While not a common design flaw, aggressive driving or frequent heavy loads can lead to quicker than expected wear on pads and rotors.
    • Brake Noise: Squealing or grinding noises can indicate worn pads, rotors that need resurfacing or replacement, or sometimes just dust and debris accumulation. For the Explorer, ensure the proper shims and anti-rattle clips are installed during pad replacement.
    • Brake Pulsation/Vibration: A vibrating sensation through the brake pedal or steering wheel during braking typically points to warped rotors. This can be caused by excessive heat, improper torque during wheel installation, or manufacturing defects.
    • Rust on Rotors: Especially in regions that use road salt, surface rust on rotors is normal after rain or high humidity. This usually dissipates after a few brake applications. However, excessive or prolonged rust can indicate a deeper issue or poor quality rotors.

    Regular maintenance and using quality replacement parts can mitigate many of these potential issues. If you notice any unusual brake behavior, it's best to have it inspected by a qualified technician promptly.

    Brake job cost estimate

    The cost of a brake job for your 2021 Ford Explorer can vary widely depending on whether you're replacing just the pads or pads and rotors, the type of parts you choose (OEM vs. aftermarket), and the labor rates in your area. Here's a general estimate:

    • Front Brake Pads Replacement Only: This "pad slap" usually involves replacing just the pads and possibly lubricating caliper slide pins. The cost for parts might range from $75 to $200 for aftermarket pads, plus 1-2 hours of labor (approx. $100-$300). Total: $175 - $500 per axle.

      • Note: A pad-slap is generally only recommended if rotors are in excellent condition and well within minimum thickness specifications. For the 2021 Explorer, due to the low minimum thickness compared to new, resurfacing is often not viable. Replacement is frequently the better option.
    • Front Brake Pads and Rotors Replacement: This is the most common and recommended brake service. Parts for quality aftermarket pads and rotors might range from $250 to $600 per axle (depending on standard vs. performance options). Labor typically takes 2-3 hours (approx. $200-$450). Total: $450 - $1050 per axle.

    • Rear Brake Pads and Rotors Replacement: Similar to the front, but often slightly less expensive due to smaller components and sometimes simpler caliper designs. Parts might run $200 to $500 per axle, with labor around 2-3 hours ($200-$450). Total: $400 - $950 per axle.

    • Full Front and Rear Brake Job (Pads & Rotors): Combining both axles will generally net you a slight labor savings compared to doing them separately. Total: $850 - $2000+ (depending on parts quality and labor rates). Adding brake fluid flush (recommended every 2-3 years) would be an additional $100-$200.

    Always obtain a detailed quote from a reputable shop that specifies parts and labor. OEM parts will generally be at the higher end of these estimates.

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    More specs for the 2021 Ford Explorer

    Oil Capacity & Filter

    Capacity, weight, filter PN, drain plug torque, change interval.

    Fluid Type Specs

    Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.

    Coolant Capacity & Type

    Total system capacity, OEM coolant spec, flush interval, bleed tips.

    Transmission Fluid & Service

    Trans model, fluid spec, capacity, filter PN, service interval.

    Torque Specifications

    Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.

    Tire Size & Pressure

    OEM size, cold psi, bolt pattern, wheel size, TPMS.

    Battery Size & Group

    Group size, CCA, AGM/flooded, dimensions, reset note.

    A/C Refrigerant & Oil

    R-134a or R-1234yf, charge oz, PAG oil spec.

    Bulb Sizes (Headlight, Tail, Fog)

    Headlight, fog, tail, turn, reverse, interior.

    Factory Maintenance Schedule

    Service intervals by mileage, severe-duty notes, known issues.

    Towing Capacity & Payload

    Max tow, payload, GVWR/GCWR, hitch class by trim.

    Fuse Box Diagram & Amperage

    Fuse box locations, layout, amps, and what each fuse controls.

    Serpentine Belt Routing & Length

    Belt routing, length, rib count, OEM + aftermarket PNs.

    Wheel Alignment Specifications

    Camber, caster, toe ranges (front & rear), adjustability notes.

    Paint Color Codes

    All factory colors with paint codes, sticker location, touch-up tips.

    Wiper Blade Sizes

    Driver/passenger/rear blade size, attachment, OEM + cross-refs.

    Spark Plug Type & Gap

    Plug PN, gap, torque, interval by engine.

    Transmission & Axle Gear Ratios

    Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.

    Key Fob Programming

    DIY programming steps, FCC ID, fob PN, battery, transponder.

    Same spec — other model years

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