Guides
Practical guides for Shopify merchants
Learn how to sell products with an ownership lifecycle: replacement parts, manuals, compatible accessories, and post-purchase support.
How to sell replacement parts on Shopify
Learn how to organize, display, and help customers find compatible replacement parts, filters, and consumables for products they already own.
How to drive replenishment for consumables on Shopify
Help customers find the exact replacement filters, cartridges, and consumables for products they own, set up reorder reminders, and reduce wrong-part returns.
How to sell accessories to existing owners on Shopify
Learn how to sell compatible accessories and upgrades to customers who already own your durable products—using compatibility, timing, and aftermarket revenue strategies.
How to provide product manuals after purchase
Give customers access to manuals, warranty cards, and documentation after they buy—organized by the products they own, not buried in email.
How to offer a warranty on Shopify (with product registration)
Learn how Shopify merchants can offer product warranties, collect warranty registrations, and use registration data to sell compatible parts and accessories.
How to use QR codes for product registration on Shopify
Add product registration QR codes to packaging and warranty cards so customers can register with a scan—then use that data to drive aftermarket revenue.
How to model product compatibility in Shopify
Structure your catalog so customers and staff can identify which parts, filters, and accessories fit specific products—without spreadsheets or guesswork.
Who these guides are for
These guides are written for Shopify merchants selling products with an ownership lifecycle—equipment that needs replacement parts, filters, accessories, or ongoing support months or years after the initial purchase.
Water filtration and HVAC merchants
Sell filtration systems, HVAC units, and other equipment where customers return for replacement filters, cartridges, or service parts. Learn how to organize water filtration parts or manage HVAC compatibility.
Appliance and machinery retailers
Sell kitchen appliances, power tools, or industrial equipment with attachments and service parts. See how OwnerLoop helps appliance merchants and machinery retailers.
Any merchant with post-purchase needs
If your customers need manuals, warranty information, compatible parts, or replenishment items after purchase, these guides will help you organize and deliver that support through your Shopify store. Explore all use cases.
Free playbook
The Hidden Revenue in Your Product Catalog
A longer, evidence-first playbook on aftermarket demand, compatibility, and measuring contribution margin before you scale.
Read the playbookReady to improve your post-purchase experience?
See how OwnerLoop helps customers find the right part or accessory for products they own.
Available on the Shopify App Store.