Car parts advice & guides
Practical fitting, servicing and buying guidance written by our parts team.
Braking
When To Replace Brake Discs And Pads (UK Guide)
Minimum pad and disc thicknesses, the noises that matter, and how to buy the right parts first time.
Car Parts Centre · 1 August 2026
Servicing
Engine Oil Grades Explained: 5W-30, 5W-40 And Manufacturer Specs
Viscosity numbers, ACEA and OEM approvals, and why the spec on the bottle matters more than the price.
1 August 2026
Electrical
Car Won't Start: Battery, Starter Motor Or Alternator?
Five-minute diagnosis using sounds, dash lights and a multimeter before you spend a penny on parts.
1 August 2026
Buying advice
How To Find The Right Car Part By Registration Or VIN
Reg, VIN and OE number searches compared — and how to be certain a part fits before it ships.
1 August 2026