Guides

Guides for checking OEM numbers, fitment, quality grades, packaging, and parts supply options.

Export Packaging for Auto Parts

Export Packaging for Auto Parts

3 min read

Machined surfaces, sharp edges and heavy small items each break packaging in a different way. What survives a six-week voyage and what arrives as a claim.

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Brake Fluid and Hydraulic Components

Brake Fluid and Hydraulic Components

4 min read

DOT brake-fluid test minima, vehicle-specific compatibility checks and the fitment evidence importers should request before ordering hydraulic components.

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Disc Coatings and Corrosion Between Factory and Fitting

Disc Coatings and Corrosion Between Factory and Fitting

3 min read

A brake disc rusts on the way to the customer, and the rust that matters is not the rust you can see. Oil dip against geomet-type coatings, and what a container crossing the tropics does to either.

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Brake Product Markings and What They Commit You To

Brake Product Markings and What They Commit You To

3 min read

The approval marks on a friction product, which markets require which, and why an unmarked pad can be perfectly good and still unsellable at customs.

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Backing Plates, Shims and the Anatomy of Brake Noise

Backing Plates, Shims and the Anatomy of Brake Noise

3 min read

Squeal is a vibration problem, not a friction problem. What the shim, the chamfer and the slot each contribute, and why the cheapest pad in a range is usually the noisiest.

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Drum Brakes: Where They Persist and Why

Drum Brakes: Where They Persist and Why

3 min read

Why drums survive on rear axles and light commercials long after discs took over the front, the self-servo effect that makes them cheap to actuate, and the adjustment failure that generates most complaints.

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Drilled and Slotted Discs: What They Actually Do

Drilled and Slotted Discs: What They Actually Do

3 min read

The gas and water arguments behind cross-drilling, why the holes matter far less on a road car than the marketing implies, and the crack risk that comes with them.

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Brake Calipers: Types, Seizure and Remanufacturing

Brake Calipers: Types, Seizure and Remanufacturing

3 min read

Floating against fixed calipers, the guide pin and piston seizure that causes most uneven pad wear, and how to judge whether a remanufactured caliper is worth buying.

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Brake Friction Materials: Semi-Metallic, Ceramic and NAO

Brake Friction Materials: Semi-Metallic, Ceramic and NAO

4 min read

How the three common friction formulations differ on cold bite, fade resistance, dust and disc wear, and why the right answer changes completely between a hot-climate taxi fleet and a private car.

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