This is the source of truth for older cars, swaps, mixed-year builds, junkyard parts, and anything the VIN will not tell you.
Engine
Drivetrain
Axles, Wheels, Brakes
Fitment Rules for This Build
Danger Zone
Add My Car
VIN Lookup
Or enter manually
Use this if the vehicle has not been heavily modified yet. You can still add swaps or custom parts later.
Add Part
Part Info
Where This Part Came From
What Else This Part Fits
Measurements & Specs
When It Was Installed
Notes on How It Fits
My Personal Notes
Shopping
Next Service Reminder
Add Photos
Tap to add part photo
Tap to add receipt photo
Part Detail
Recalls
Manual Recall Log
Parts I Need
All
High Priority
Found
Add to Shopping List
What do you need?
Where to find it
Budget
Notes
My Shelf
Add to My Shelf
Part on My Shelf
Verify a Part
1. What are you hunting for?
Current preview: Candidate searches use the vehicle record, saved setup, entered specifications, and owner history. Connected catalog or seller data will be labeled by source when available.
2. What does it need to match?
Pick a category above and fill only what you know. For older cars, measurements often matter more than VIN lookup.
3. Check fit, then shop
First find/select a candidate part. Then the app compares it against your logged parts and Build Setup before showing buy options.
Service Log
Add Service Entry
Next Due
Buy Parts
🚗
Live listings include current prices and seller-reported vehicle compatibility. Always compare specifications before ordering for modified or vintage vehicles.
Settings & Data
💾
Export backup
Download all cars, parts, maintenance & wishes as a JSON file
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📥
Import backup
Restore from a previously exported JSON file. Replaces all current data.
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Connected data sources
Catalog, fitment, pricing, and seller credentials are managed through secure integrations—not entered by vehicle owners. Results identify their source when connected.
Local storage used
⚠ Storage is getting full — export a backup now to avoid losing data.
WrenchFit stores data only on this device. Export regularly, especially before clearing browser data or switching devices.
WrenchFit · Know it fits before you wrench.
Fitment guidance reflects available vehicle, catalog and seller data. Confirm critical dimensions and OEM references before ordering. Contact.