Selling auto parts on Shopify without a fitment filter is asking for trouble. Customer finds a part, orders it, doesn’t fit their car. Return shipping eats your margin. Customer leaves angry. Rinse, repeat.
Year-Make-Model apps fix this. Simple dropdown — pick your year, make, model — and only compatible products show up. Obvious solution. Picking the right app, though? Less obvious.
We tested the six most popular ones. Here’s what stood out.
Why This Matters More Than You Think
Return rates on automotive ecommerce without fitment verification sit around 20–30%. A good YMM app can push that under 5%. Run the numbers on your current return volume. That’s your ROI calculation — probably doesn’t take long.
Beyond returns: customers who filter by their vehicle browse longer, convert at higher rates, and trust the store more. The dropdown signals “these people know what they’re doing.”
The Six Apps
| App | Starting Price | Rating | Standout Feature |
|—–|—————|——–|—————–|
| VFitz (Aculogi) | Flat monthly | — | No commissions, CSV-based data |
| EasySearch | $14.99/mo | 4.6★ | Multi-vehicle-category support |
| Convermax | $19/mo | 4.9★ | Advanced search + fitment combo |
| C: Year Make Model | $14.99/mo | 4.8★ | ACES data, My Garage feature |
| PCFitment | Custom | 4.7★ | SEMA integration |
| AutoFit AI | $9.99/mo | 4.3★ | AI-assisted fitment matching |
VFitz by Aculogi
Different approach from most. Flat monthly pricing — no commissions, no per-lookup fees. You own your fitment data outright: upload via CSV, manage mappings in admin, customize dropdown appearance to match your theme.
The commission-free model is rare. If you’re doing high volume, the savings compound quickly versus apps that charge per transaction. VFitz also supports custom dropdown configs beyond standard Year-Make-Model — useful if you need trim level or engine type filtering.
Best for merchants who already have fitment data organized (or will build it) and want full control. VFitz pricing details here.
Trade-off: less pre-built data than apps with SEMA/ACES integrations. You’re building or importing your own database.
EasySearch
Longest-running competitor, and the experience shows. Handles automotive, marine, motorcycle, even electronics categories. One app for multiple vehicle types — if you sell boat parts and car parts, EasySearch covers both without running two separate apps.
Clean fitment verification badge on product pages. Widget customization is solid.
Drawback: monthly cost scales up with features. Some merchants say initial data setup took longer than expected.
Convermax
Highest Shopify App Store rating for a reason. Combines YMM search with general product filtering — customer searches “brake pads” and filters by vehicle simultaneously. Pulls fitment data from CSV, SEMA feeds, or existing product tags.
Strong integrations with Klaviyo, Affirm, and other third-party tools.
Higher price point. For smaller stores the feature depth might be more than you need.
C: Year Make Model Search
Strong niche features. “My Garage” lets returning customers save their vehicles — skip the dropdown on repeat visits. Built-in ACES/EPIDs data support. Creates SEO-friendly URLs from vehicle selections, which is a nice touch for organic traffic.
ACES compatibility means importing industry-standard fitment data without reformatting.
Initial setup interface can feel overwhelming. Several merchants mention a learning curve before things click.
PCFitment
Enterprise tier. Custom pricing, direct SEMA integration, white-glove setup where their team handles configuration. They’ve been in the Shopify fitment space specifically longer than most competitors.
If you have SEMA membership and want turnkey, this is it.
Custom pricing means contacting sales. Not great for merchants who want to install and be running in 20 minutes.
AutoFit AI
Newest player. Uses AI to auto-match products to vehicles based on existing product data — reduces manual fitment entry. Lower starting price than everyone else.
Interesting concept for stores starting from zero on fitment data.
AI matching isn’t perfect yet. You’ll still need to verify and correct. Smaller user base makes long-term reliability harder to judge.
Decision Framework
VFitz → Commission-free, you have data or will build it, want full customization control. Docs here.
EasySearch → Multiple vehicle categories (cars + boats + bikes) under one roof.
Convermax → Large catalog, need fitment combined with powerful search and filtering.
C:YMM → ACES data workflow, returning customers who’d use saved vehicles.
PCFitment → SEMA member, want someone else to handle setup.
AutoFit AI → No existing fitment data, willing to let AI take the first pass.
The Part Nobody Mentions Upfront
Every single one of these apps is only as good as your fitment data. The app is the interface. The data is what makes it work.
How data gets in varies: CSV import (most flexible, you maintain it), ACES/SEMA feeds (industry standard, requires membership or licensing), manual entry (fine for small catalogs, brutal for large ones), or AI generation (promising, unproven at scale).
If you don’t have fitment data yet, budget serious time for this. It’s the unglamorous foundation that everything else depends on.
FAQ
Cost range?
$9.99/month (AutoFit AI) to custom enterprise (PCFitment). Most land around $14.99–$29.99/month. VFitz offers commission-free flat pricing — current plans.
Can I switch apps later?
Yes, with effort. Data format may need converting. Export before switching, verify import compatibility with the new app first.
Need ACES data?
No. Most apps take custom CSV with your own Year-Make-Model-Product mappings.
Speed impact?
Minimal if the app’s well-built — dropdowns load asynchronously. Test page speed after installing.
Theme compatibility?
Most work with all Shopify themes. Customization depth varies — check before committing.