Parts Cross-Reference
How to Find the OEM Part Number for a Part You Have
The old part in your hand may carry four numbers, and only one is the vehicle maker's. How to tell them apart and verify the number before you order.
Part Numbers
Parts Cross-Reference
Brake Pad Fitment: Two Options for the Same Car Explained
Two pad sets listed for one car usually means two brake packages. How to tell which you have, and where the job belongs to a shop.
Parts Cross-Reference
Serpentine Belt Size: How to Measure It and Read the Code
Rib count and effective length decide the fit. How belt codes are read, how to measure with the tensioner in range, and why a near-miss belt fails.
Parts Cross-Reference
Salvage Yard Interchange: Why Fits Is Not a Guarantee
A yard's interchange match says a part group bolts in. It does not promise your options, connectors or build date. What to check before you drive out.
Parts Cross-Reference
OEM vs OES vs Aftermarket Parts: What Each Word Means
OEM, OES and aftermarket describe who made and who branded a part, not how good it is. What each label promises, what it does not, and how to check.
Parts Cross-Reference
Superseded Part Number Meaning: What Replaced Your Part
A superseded number points to a newer one, not a dead end. Why it happens, when the new part is not a drop-in, and how to trace it.
Part Numbers
How to Read Exploded Parts Diagram Callouts and Rows
How to read exploded parts diagram callouts, quantities and remarks so the part you order is the one on your car. No dealer login needed.
Part Numbers
Call Dealer for Part Number: When It Beats Searching
Know when to call dealer for part number help, what to have ready and what to ask, so you get the right OEM number for your VIN on the first call.