Guides & advice

The Auto128 blog

Practical, no-nonsense reading on buying used genuine OEM parts: how to read a part number, confirm fitment, and get the original part delivered to your door.

A close-up of a car engine part with an OEM number label, highlighting the code that ensures correct fitment.

OEM Codes

OEM Part Numbers Explained: The Fastest Way to Buy the Right Used Part

OEM part numbers are the key to buying the right used part. Learn how to decode them, where to find them, and how to use them to save money on genuine OEM parts.

10 Jun 2026 · 5 min readRead

Used genuine OEM car part with part number label

OEM Codes

How to Find Any Used Car Part by Its OEM Number in Minutes

Learn how to find any used genuine OEM car part using its part number. Save time and money with expert tips for DIY mechanics and garages.

8 Jun 2026 · 6 min readRead

Used OEM alternator and starter motor on a workbench

Buying Guide

Used Alternators and Starters: Are They As Good As New?

Wondering if a used alternator or starter is as good as new? Learn about OEM durability, savings, fitment checks, and how Auto128 sources them for you.

3 Jun 2026 · 3 min readRead

Close up of a car VIN number on the dashboard showing digits that decode to OEM part numbers

OEM Codes

VIN to OEM Number: How to Decode the Exact Part Your Car Needs

Your car's VIN holds the key to finding the exact OEM part number. Learn to decode it step by step to get the right used genuine part.

21 May 2026 · 6 min readRead