CACheapAuto.pro
Parts Buying Guide

Auto Parts Guides:
Pay Less, Get the Right Part

Built from real salvage yard and parts sourcing experience. Learn where to buy, what to avoid, and how to save 30–80% on every repair.

Updated May 2026Salvage Yard ExpertiseReal Sourcing Experience

Where to Buy Auto Parts: A Comparison

Each source has a place. Here's when to use each one.

OEM (Dealer)

$$$$

Pros

  • +Exact fit guaranteed
  • +Full warranty
  • +Correct specs

Cons

  • Most expensive
  • 2–5x markup over aftermarket
  • Slow ordering
Best for: Safety-critical parts, warranty repairs

Aftermarket (New)

$$

Pros

  • +30–60% cheaper than OEM
  • +Wide availability
  • +Often equal quality

Cons

  • Quality varies by brand
  • May void warranty
  • Fit can vary
Best for: Most repairs, high-mileage vehicles

Salvage Yard (Used)

$

Pros

  • +50–80% cheaper than new
  • +OEM quality parts
  • +Eco-friendly

Cons

  • No warranty (usually)
  • Requires inspection
  • Limited availability
Best for: Body panels, trim, interior, some mechanical

Remanufactured

$$$

Pros

  • +Like-new performance
  • +Core charge refund
  • +Warranty included

Cons

  • Core deposit required
  • Fewer options
  • Longer lead time
Best for: Alternators, starters, calipers, engines