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    Brake Pad & Rotor Specs

    2020 Ram 1500 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

    SpecificationDetails
    Front Pad PN (OEM)Verify with dealer
    Front Pad PN (Akebono)ASP1782 (some models) / ACT1782 (some models)
    Front Pad PN (Bosch)BE1782H / BC1782
    Front Pad PN (Wagner)OEX1782 / QC1782
    Front Pad PN (Power Stop)Z23-1782 / Z36-1782
    Rear Pad PN (OEM)Verify with dealer
    Rear Pad PN (Akebono)ASP1911 (some models) / ACT1911 (some models)
    Rear Pad PN (Bosch)BE1911H / BC1911
    Rear Pad PN (Wagner)OEX1911 / QC1911
    Rear Pad PN (Power Stop)Z23-1911 / Z36-1911
    Front Rotor Diameter & New Thickness14.9 in (378 mm) & 1.42 in (36.0 mm) (verify for specific trim)
    Front Rotor Minimum Thickness1.34 in (34.0 mm) (verify for specific trim)
    Rear Rotor Diameter & New Thickness14.2 in (360 mm) & 0.87 in (22.0 mm) (verify for specific trim)
    Rear Rotor Minimum Thickness0.81 in (20.5 mm) (verify for specific trim)
    Caliper Piston Count (Front)2-piston (some models)
    Caliper Piston Count (Rear)1-piston
    Caliper Bracket Torque (Front)130 ft-lbs (176 Nm) (verify with service manual)
    Caliper Bracket Torque (Rear)130 ft-lbs (176 Nm) (verify with service manual)
    Caliper Slide-Pin Torque (Front)24 ft-lbs (33 Nm) (verify with service manual)
    Caliper Slide-Pin Torque (Rear)24 ft-lbs (33 Nm) (verify with service manual)
    Brake Fluid SpecDOT 3 or DOT 4

    How to Choose Pads

    Choosing the right brake pads for your 2020 Ram 1500 depends largely on your driving style and needs. Here's a breakdown of common types:

    • Ceramic Pads: These are known for being quiet, producing very little dust, and offering smooth, consistent stopping power. They are an excellent choice for daily driving and offer good wear characteristics. If you prioritize a clean wheel and quiet operation, ceramic is usually the way to go.

    • Semi-Metallic Pads: Often chosen for their excellent stopping power and ability to withstand higher temperatures, semi-metallic pads are a good option for those who frequently tow or haul heavy loads, or drive in demanding conditions. They tend to be noisier and produce more brake dust than ceramic pads, but their performance in heavy-duty situations can be superior.

    • Heavy-Duty (HD) / Towing Pads: Many manufacturers offer specific heavy-duty or towing-focused pads. These are typically ceramic or semi-metallic formulations designed to provide even greater stopping power, fade resistance, and durability under extreme conditions. If your Ram 1500 sees regular towing or off-road use, investing in HD pads is a wise decision for safety and longevity.

    Always consider your driving habits and consult with a trusted mechanic if you're unsure which pad type is best for your specific application.

    Typical Service Life

    The service life of brake pads and rotors on your 2020 Ram 1500 can vary significantly based on driving conditions, habits, and the type of materials used. Generally, you can expect:

    • Front Brake Pads: 30,000 to 70,000 miles. Front brakes do most of the stopping work, so they wear faster.
    • Rear Brake Pads: 50,000 to 90,000 miles. Rear brakes assist in stopping and stability, so they typically last longer.
    • Rotors: Often, rotors will last through two sets of brake pads (around 60,000 to 100,000 miles), but this can be shorter if they are frequently exposed to harsh conditions, tow heavy loads, or if they are machined. It's crucial to check minimum thickness during every brake service.

    Aggressive driving, frequent stop-and-go traffic, and heavy towing will all shorten brake component life. Conversely, highway driving with fewer stops will extend it.

    Common Brake Issues for This Generation

    The 2020 Ram 1500, while a robust truck, can experience some common brake-related issues, similar to many modern vehicles:

    • Premature Wear: Some owners have reported faster-than-expected front brake pad and rotor wear, especially on higher trim levels or trucks used for heavy towing. This can be exacerbated by aggressive driving or heavy loads.
    • Brake Noise: Squealing or grinding noises are common indicators of worn pads, but can also be caused by improper installation, glazed pads, or rust buildup on rotors. Intermittent squealing, especially when cold, can sometimes be normal for certain pad materials.
    • Vibrations/Pulsation: If you feel a pulsation through the brake pedal, especially when braking from higher speeds, this usually indicates warped rotors or significant rotor thickness variation. While rotors don't truly

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    More specs for the 2020 Ram 1500

    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

    Maintenance & repair guides

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