Dacia Duster Brake Discs: Specs, Fitment & Wear Symptoms
A genuinely severe real case: rusted rear backplates left a Duster off the road for 4 months — plus why early India-built cars are worth extra caution, and a free DIY check to verify disc wear yourself.
Illustration for editorial purposes
Opens live listings in a new tab.
OEM Part Number: 402066300R
| Duster I (2010-2017), front disc | Dacia OEM: 402066300R — 269mm diameter, vented, 22.4mm thickness, 19.8mm minimum |
|---|---|
| Duster II (2017-2024), most variants, front disc | 280mm diameter, vented, 24mm thickness |
| Duster II, 1.3 TCe 4x4 (150hp), front disc | 320mm diameter, vented, 28mm thickness — a genuinely larger specification than other Duster II variants |
A Genuinely Severe, Real Case Worth Knowing: Rusted Backplates — Dacia Duster Brake Discs
This is genuinely worth checking on an older Duster, particularly if you're buying used: one documented case saw the rear drum brake backplates rust through so severely that the car failed a subsequent inspection and was left off the road for over four months waiting for a replacement part to become available. If you're looking at a Duster with any visible rust around the rear brake area, it's worth getting this properly inspected before assuming it's just cosmetic surface corrosion — a backplate rusted badly enough can develop a genuine structural or grinding issue as it deteriorates further.
It's also genuinely worth checking discs yourself before accepting a dealer's word that they need replacing: run a finger along the outer edge of the disc and feel for a raised lip — a pronounced, easily felt lip indicates genuine wear, while a barely perceptible edge suggests the disc likely has plenty of life left. One documented case saw an owner told their discs needed replacing at under 13,000 miles, which prompted them to check themselves and seek a second opinion rather than accepting the claim outright — a genuinely sensible approach given how easy this check is to do yourself.
Dacia Duster Brake Discs: The Part That Pads Depend On
On the Dacia Duster, because discs and pads wear as a pair, neglecting one speeds up wear on the other — which explains why a routine pad change so often turns up discs that are further gone than expected.
Dacia Duster Brake Discs: What They Do
Brake discs provide the surface the brake pads clamp against to slow the car, converting momentum into heat through friction. Larger, sportier trims of the Duster typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.
Opens live listings in a new tab.
Dacia Duster Brake Discs: Wear Symptoms, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Brake Discs Guide for warning signs to watch for, confirming fitment against your VIN, and choosing a reliable aftermarket disc.
More Dacia Brake Discs
The same part, covered across other Dacia models.