By Core Brake Parts Tech Team — Circleville, OH warehouse
Short answer: The Ram ProMaster uses four-wheel discs: vented front rotors near 300 mm (11.8 in) and rear rotors near 280-300 mm, solid on standard vans and vented with heavy-duty brakes. All trims run 5-lug 5x130 mm wheels and a cable hand-lever parking brake. This guide walks through the exact diagnostic steps, replacement thresholds, product comparisons, and cost breakdown so you can decide with confidence whether to DIY or take it to a shop.
Direct experience note: we ship these parts daily from our Circleville, OH warehouse to customers across the country. The picks in this guide reflect what fits, what lasts, and what our repeat-buyer mechanics come back for.
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Shop Brake Pads & Kits →What to Know About Ram Promaster Brake Replacement
Understanding Ram ProMaster brake replacement matters because it directly affects stopping distance, brake pedal feel, and how often you replace consumables. Getting it right the first time saves both money and follow-up shop visits.
- Front rotors are vented, roughly 300 mm (11.8 in) in diameter, with a common discard thickness around 19.9 mm.
- Rear rotors are solid on standard vans but vented on the heavy-duty brake package, so inspect before ordering.
- All 1500, 2500 and 3500 trims use a 5-lug, 5x130 mm bolt pattern with a 64.1 mm center bore.
- The parking brake is a cable-operated hand lever acting on the rear brakes, not an electric system.
- Rear rotor diameter varies by brake package, roughly 11.0 to 11.8 in, so verify against your VIN or old part.
- The ProMaster is front-wheel drive and shares its brake architecture with the Fiat Ducato.
Spec Chart by Vehicle Class
| Vehicle class | Pad thickness | Rotor thickness |
|---|---|---|
| Rotor type | Vented disc | Solid (standard) or vented (HD) |
| Rotor diameter | ~300 mm / 11.8 in | ~280-300 mm / 11.0-11.8 in |
| Caliper | Floating, cast iron | Floating with park-brake lever |
| Bolt pattern / lugs | 5x130 mm, 5-lug | 5x130 mm, 5-lug |
| Parking brake | Not applicable | Cable hand lever on rear |
How to Diagnose or Replace
- Chock the wheels, loosen the lug nuts, then raise the van and support it on rated jack stands.
- Remove the wheel and unbolt the caliper guide pins, then lift the caliper off the rotor.
- Hang the caliper from the suspension with wire so its flexible brake hose never bears any weight.
- Slide out the old pads, then remove the caliper bracket bolts and pull the rotor free.
- Clean the hub face, mount the new rotor, and reinstall the bracket to factory torque.
- Fit new pads, compress or wind back the rear piston, then reinstall the caliper and pins.
- Refit the wheel, torque the lugs, pump the pedal firm, and bed the pads before driving.
Once diagnosis is complete, order the exact replacement parts for your vehicle - fitment matters. Related Ram ProMaster brake replacement products are listed in the next section.
Recommended Parts and Where to Buy
Every product below is in stock at our Circleville, OH warehouse and ships same-day when ordered before 2 PM Eastern. Free shipping on orders over $75.
If your exact vehicle is not listed, use the site search or filter the full brake parts collection by year and make.
Cost Breakdown - DIY vs Shop
| Job | DIY parts only | Shop parts and labor |
|---|---|---|
| Front rotors (pair) | $70-$160 | Coated OE-grade |
| Rear rotors (pair) | $65-$150 | Solid or vented |
| Brake pad set (per axle) | $35-$90 | Ceramic or semi-metallic |
| Shop labor (per axle) | $150-$300 | Roughly 1-2 hours |
DIY savings scale with vehicle size and job complexity. A full-size truck brake job saves $450-700 in labor. For most passenger cars, plan on 90-120 minutes per axle for pads only, 2-3 hours for pads plus rotors.
Install Tips - Where Most DIYers Go Wrong
- Torque the lug nuts in a star pattern to roughly 118-133 lb-ft, then recheck them after about 50 miles.
- Check whether your rear caliper piston pushes straight in or must be wound back before compressing it.
- Bed new pads with several moderate slowdowns from about 35 mph, avoiding hard stops that glaze them.
Frequently Asked Questions
What's the short answer on Ram ProMaster brake replacement?
The Ram ProMaster uses four-wheel discs: vented front rotors near 300 mm (11.8 in) and rear rotors near 280-300 mm, solid on standard vans and vented with heavy-duty brakes. All trims run 5-lug 5x130 mm wheels and a cable hand-lever parking brake.
How much does Ram ProMaster brake replacement cost?
It depends on your vehicle and how much you replace. For example, front rotors (pair) runs about $70-$160 in parts for a DIY job, or Coated OE-grade at a shop with labor included. The full cost breakdown is in the table above.
What should I check first?
Key things to check: Front rotors are vented, roughly 300 mm (11.8 in) in diameter, with a common discard thickness around 19.9 mm; Rear rotors are solid on standard vans but vented on the heavy-duty brake package, so inspect before ordering.
Can I do this job myself?
Many DIYers can with basic tools. The first steps are: Chock the wheels, loosen the lug nuts, then raise the van and support it on rated jack stands; Remove the wheel and unbolt the caliper guide pins, then lift the caliper off the rotor; Hang the caliper from the suspension with wire so its flexible brake hose never bears any weight. The complete step-by-step is above.
Key Takeaways
- The Ram ProMaster uses four-wheel discs: vented front rotors near 300 mm (11.8 in) and rear rotors near 280-300 mm, solid on standard vans and vented with heavy-duty brakes. All trims run 5-lug 5x130 mm wheels and a cable hand-lever parking brake.
- Measure friction material and rotor thickness at every tire rotation - catches wear before it becomes damage.
- Replace pads at 3 mm; below 2 mm is unsafe.
- Loaded calipers (with brackets, pads, and hoses) save 1-1.5 hours of labor per side over bare calipers.
- Bed new pads properly with 8-10 medium stops from 40 to 10 mph.
- Free shipping on orders over $75; same-day shipping on in-stock orders before 2 PM Eastern.
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