Early access – first 5 stores · founder pricing

Stop losing sales to
“will it fit my car?”

YMMFit adds a Year / Make / Model filter to your Shopify store – shipped with EU + US install-fitment data already inside. Shoppers see only parts that fit. You compile nothing; we set it up for you.

EU + US data built in We set it up for you Free to install

yourstore.com/collections/car-audio

2019 BMW 3-Series 1,240 results

Focal IFBMW-SUB.V2 Subwoofer

€219.00 Fits

UNI-SWC.2 Steering Control Adapter

€64.00 Fits

Connects2 CTABMUSB007 Adapter

€79.00 Fits

Live in a day – without touching a spreadsheet

Other fitment apps are powerful, but make you bring the data. We bring it.

Add YMMFit

A clean Year/Make/Model selector drops onto your storefront, collections and product pages – no theme code to touch.

We map your catalog

EU + US install-fitment data is already inside. We match it to your products – you compile nothing.

Shoppers see only what fits

Fewer wrong-fit returns, higher conversion, buyers confident they got the right part.

EU + US fitment data, built in

Connects2, Metra dash kits, harnesses and steering adapters – normalized into one clean dataset. The part every other app makes you source yourself.

EU vehicles US vehicles

Sources

+ more

~19%

of online orders get returned

Wrong-fit parts are a top driver in auto. Filtering by car stops them before checkout.

Industry avg – NRF, 2025

Done-for-you setup

We map your catalog to fitment for you. No weeks of data entry, no external data budget.

Storefront + product pages

A “fits your vehicle ✓” check on every product, plus a garage so shoppers save their car.

Fast, headless-ready

Lightweight, works on Online Store 2.0 themes and handles large catalogs without slowing the page.

Other fitment apps make you bring the data

Most Year/Make/Model apps are just a filter – you still have to source, format and maintain the fitment data yourself. YMMFit ships with it and sets it up for you.

YMMFit

Typical fitment app

Fitment data

EU + US install data built in

You supply ACES/PIES files

Setup

Done for you

You map your own catalog

Install parts
harness, dash kit, SWC

Covered

Mostly mechanical parts

Time to go live

About a day

Weeks of data prep

Pricing

SMB-friendly founder rate

Premium tiers $250+/mo

Based on how most bring-your-own-data fitment apps in this category work. Not affiliated with any named vendor.

Founder pricing for the first 5 stores

Lock in a founding rate for life and get your fitment data set up by us. In exchange, you help shape the product.

Founding member

€179 €99 /mo

Locked for life · cancel anytime

Year / Make / Model filter across your whole store
EU + US install-fitment data built in
Done-for-you catalog mapping (normally €490) included
Ongoing data updates & priority support

Claim a founder spot

First 5 stores only · no credit card to join the list

Questions, answered

Where does the fitment data come from – do I have to supply it?

No. The EU + US install-fitment data is already inside YMMFit. We map it to your catalog for you – you don't compile, format or upload a single spreadsheet. That's the core difference from other fitment apps.

Will it slow down my store?

It's built as a lightweight app block that loads asynchronously, so it won't block your page render or hurt your store speed score, even on large catalogs.

Does it work with my theme? Do I need to touch code?

Yes – it works on Online Store 2.0 themes (Dawn and most popular auto-parts themes) via native app blocks. No theme code edits, and nothing is left behind if you ever uninstall.

How accurate and current is the data?

Fitment is sourced from manufacturer application data (harness, dash-kit, steering-control and OEM-system compatibility) and kept up to date by us. As new vehicles and parts are released, the dataset is maintained on your behalf.

What if a vehicle or part isn't covered yet?

Tell us and we add it. As a founding store you get a direct line to us, so gaps in your specific catalog get prioritised and filled – usually within days.

How long does setup take?

Most stores are live within a day. You install the app, we map your existing products to fitment, and the filter goes live – no weeks of data entry on your side.

What does it cost – and can I cancel?

Founding stores lock in €99/mo for life (regular €179), with done-for-you setup included. No lock-in – cancel anytime. There's a free trial at launch, and no credit card is needed to join the early-access list.

Why we built YMMFit

“I work on car-electronics e-commerce every day, and I've spent months wrangling fitment data – wiring harnesses, dash kits, steering-control adapters – into something a store can actually sell against. Every Year/Make/Model app I tried handed that problem straight back to me. So we built the one that ships with the data and sets it up for you.”

Rokas

Founder, YMMFit · [email protected]