2018 Jeep Grand Cherokee – 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
| Spec | Measurement/Part Number |
|---|---|
| Front Pad PN (OEM) | 68252277AA (Standard Duty FMSI D1850) / 68144222AB (Heavy Duty FMSI D1850) |
| Front Pad PN (Akebono) | ACT1850 / ASP1850 |
| Front Pad PN (Bosch) | BP1850 QuietCast |
| Front Pad PN (Wagner) | OEX1850A / MX1850 |
| Front Pad PN (Power Stop) | 16-1850 (Z16 Evolution Ceramic) / Z23-1850 (Z23 Evolution Sport) |
| Rear Pad PN (OEM) | 68258352AB (Standard Duty FMSI D1849) / 68144223AC (Heavy Duty FMSI D1849) |
| Rear Pad PN (Akebono) | ACT1849 / ASP1849 |
| Rear Pad PN (Bosch) | BP1849 QuietCast |
| Rear Pad PN (Wagner) | OEX1849A / MX1849 |
| Rear Pad PN (Power Stop) | 16-1849 (Z16 Evolution Ceramic) / Z23-1849 (Z23 Evolution Sport) |
| Front Rotor Diameter & New Thickness | 330mm (13.0 inches) & 32mm (1.26 inches) OR 350mm (13.8 inches) & 32mm (1.26 inches) (depending on package) |
| Front Rotor Minimum Thickness | 30.5mm (1.20 inches) OR 30.0mm (1.18 inches) (verify with dealer based on VIN) |
| Rear Rotor Diameter & New Thickness | 330mm (13.0 inches) & 22mm (0.87 inches) |
| Rear Rotor Minimum Thickness | 20.5mm (0.81 inches) |
| Caliper Piston Count (Front/Rear) | 2-piston (front) / 1-piston (rear) (most models) |
| Caliper Bracket Torque (Front) | 215 Nm (159 ft-lbs) |
| Caliper Bracket Torque (Rear) | 115 Nm (85 ft-lbs) |
| Caliper Slide-Pin Torque (Front/Rear) | 30 Nm (22 ft-lbs) |
| Brake Fluid Spec | DOT 3 or DOT 4 (DOT 4 recommended for better performance and higher boiling point) |
How to Choose Pads
Choosing the right brake pads for your 2018 Jeep Grand Cherokee depends largely on your driving style and needs.
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Ceramic Pads: These are an excellent all-around choice for most drivers. Ceramic pads are known for their quiet operation, low dust production, and consistent performance across a wide range of temperatures. They generally offer a comfortable pedal feel and good stopping power for daily commuting and typical family driving.
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Semi-Metallic Pads: Often chosen by drivers who prioritize initial bite and aggressive stopping power, semi-metallic pads are made from a blend of metallic fibers and other materials. They tend to generate more dust and can be noisier than ceramic pads, but they excel in applications requiring more assertive braking, such as towing or spirited driving. If your Grand Cherokee frequently tows or sees more demanding use, a good quality semi-metallic might be a solid option.
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Heavy-Duty/Performance Pads: For Grand Cherokees equipped with performance packages (like certain SRT or Trackhawk models) or those used for serious towing and off-roading, heavy-duty or performance-oriented pads are essential. These pads are designed to withstand extreme temperatures and provide consistent, fade-resistant stopping power under severe conditions. Brands like Power Stop offer specific lines for these applications. Be sure to match these with appropriate rotors for optimal performance.
Typical Service Life
The service life of your 2018 Jeep Grand Cherokee
More specs for the 2018 Jeep Grand Cherokee
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
2015 Grand Cherokee
2016 Grand Cherokee
2017 Grand Cherokee
2019 Grand Cherokee
2020 Grand Cherokee
2021 Grand Cherokee
Maintenance & repair guides
2018 Jeep Grand Cherokee Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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