Start with the evidence you have
Enter an exact OEM or manufacturer number and brand. For visual research, add one to five useful views—especially the label, connector, mounting points and overall shape.
START TO FINISH
How one search works
Every request follows the same controlled sequence. The system avoids repeat provider work, limits expensive searches, and preserves the completed record for future reuse.
Check PartQuill first
The platform normalizes common spaces and hyphens, then checks inventory, verified catalog records and previously completed research. A reusable match costs 0 credits.
Run bounded research when needed
If the record is new, Fitment Pro searches current sources with a strict tool and output budget. It looks for the exact number, manufacturer identity, applications and restrictions.
Structure the result
Raw research is converted into part identity, supported year/make/model applications, specifications, supersessions, evidence level, images when retrievable, and unresolved questions.
Review before relying on it
Confidence describes the evidence, not a fitment warranty. VIN, build date, option code, position, engine and regional catalog differences may still control the final answer.
Save, export and reuse
The completed record stays attached to the business account. Search history, bulk CSV exports and API access help turn one investigation into reusable catalog data.
CACHE-FIRST BY DESIGN
Fast when known. Bounded when new.
Customer pricing is based on the job selected—not on unpredictable token totals. Iron Vault absorbs provider variability and prevents automatic premium follow-up searches.
Usually returned in seconds · 0 credits
The same normalized part identity reuses the existing research. Reopening a report does not launch another paid search.
Often 1–3 minutes · fixed credit charge
Difficult records can take longer. The job is saved server-side, so the customer may leave the page and return without restarting it.
SIMPLE JOB PRICING
Credits reflect work, not tokens
There is no surprise bill for a long prompt, extra reasoning token or provider fluctuation. The charge is shown before submission and finalized only under the rules below.
JobChargeWhat is included
Standard part-number researchThe everyday PartQuill search0Exact-number research, identity, supported applications, restrictions, specifications and available product media.
Visual PartQuill researchOne to five photographs of one part3Visual identity clues, part-number research and application candidates. Unlock available supplier names and purchase links for 2 additional credits — 5 in total.
Deep VerifyUse when Standard leaves a material question5A deliberately broader second review for conflicts, difficult supersessions, restrictions and catalog evidence. It never runs automatically.
Saved result or technical error0Cache reuse and platform failures do not consume customer credits.
No useful match0*Automatically protected while the plan's published monthly No-Match Protection allowance remains.
Example: Starter is $9.99 for 30 monthly credits—up to 10 visual jobs, 6 Deep Research jobs, or any mix. Standard Fitment Research is free. Credits are deducted per completed job, not per photo, vehicle application, source or token.
CLEAR BOUNDARIES
What it can—and cannot—do
A useful research product earns trust by separating evidence from assumption. PartQuill assists catalog work and purchasing decisions; it does not replace OEM documentation or professional inspection.
Fitment Pro can
- Identify and normalize OEM/manufacturer part numbers.
- Find supported vehicle and equipment applications.
- Preserve year, trim, engine, body, side, position and option restrictions when sources state them.
- Research direct supersessions and replacement direction.
- Organize specifications and authentic retrievable images.
- Distinguish stronger OEM/dealer catalog evidence from supporting sources.
- Flag conflicts, missing evidence and safety-critical concerns.
- Export reusable results for inventory and catalog workflows.
Fitment Pro cannot
- Guarantee that a part fits a specific VIN or build configuration.
- Prove interchangeability from appearance or a similar number alone.
- Invent missing dimensions, applications, supersessions or images.
- Guarantee that third-party stock or pricing remains current.
- Confirm installation safety, legal compliance or manufacturer approval.
- Replace a technician, dealer catalog, build sheet or physical measurement.
- Promise a useful match for every obsolete, regional or poorly documented part.
- Treat a marketplace listing as authoritative fitment evidence.
THE FLAGSHIP WORKSPACE
PartQuill turns research into catalog intelligence.
Fitment Pro answers a single research question. PartQuill connects those answers into a working parts system: business accounts, saved jobs, inventory-first lookup, bulk enrichment, images, specifications, application records, CSV exports and developer access.
The long-term advantage is not searching the web repeatedly. It is growing a verified internal knowledge base so more future requests become instant, reusable, zero-credit results.
WHAT TO EXPECT
A research result, not a magic answer
The interface is designed to show the strength and limits of the evidence so a customer can decide what needs a final manual check.
The result includes supported identity or applications. Restrictions may still require VIN/build confirmation.
The number and function are supported, but exact vehicle fitment remains unresolved. This can still be useful catalog intelligence.
No safe conclusion was found. The report explains what is missing instead of filling gaps with guesses.
QUESTIONS BEFORE YOU BUY
Frequently asked
These are the practical details customers should understand before relying on the service.
Do I pay again for the same completed result?
No. A matching saved result is returned from the PartQuill cache for 0 credits. A deliberately requested fresh review is a new research job.
Why does a result sometimes contain blank fields?
A blank field means the available evidence did not safely establish it. Fitment Pro is instructed to leave unsupported details empty instead of guessing.
Does “high confidence” guarantee fitment?
No. It means stronger catalog evidence supports the research conclusion. A particular VIN, build date, option package, engine, position or regional variation may still change fitment.
Are product images guaranteed?
No. The report uses authentic product or catalog media only when it can retrieve and associate it safely. It does not generate a fake product image to fill an empty space.
When should I use Deep Verify?
Use it when a Standard result leaves a material conflict, complex supersession, option-code question or unusually difficult catalog trail. It is optional and never launches automatically.
What happens if the service fails?
A technical failure consumes 0 customer credits. The saved job prevents a page refresh from silently starting a duplicate paid request.
Can I use results in my own catalog?
Paid plans include reusable job history and progressively larger bulk/API capabilities. You remain responsible for reviewing the final listing and any safety or regulatory claims.
Ten free credits. No card required.
Verify one business account, run real part-number searches, inspect the evidence and decide whether PartQuill belongs in your workflow.
Create a Fitment Pro account