Field Notes
Part number references, packaging guides, and supply observations — written from the sourcing side of the parts business. No repair guides, no diagnosis. Reference only.
All Honda Part Numbers Toyota Part Numbers Genuine vs Fake Supply Updates
Honda 1.5T HPFP Part Numbers: 5PC vs 5LA, 0053 vs 0054
What the two Honda chassis codes mean, how they map to the two manufacturing unit numbers, and why both appear on invoices for the same engine family.
How to Spot a Genuine Denso 296100-0053: Visual Checks
Logo engraving, casting finish, batch marking — what we photograph on every unit before it ships, and what those photos show.
OE, OE Replacement, and Aftermarket: Reading the Packaging
Three packaging tiers, three sets of marks. A field guide to what the box tells you before you open it.
Toyota Fuel Injector Part Numbers: 23209 Series Reference
The 23209 prefix, the suffixes that change between versions, and how we keep them straight across the three numbers we stock.