Cannot find a ball joint press cup large enough (≥80mm) for a 2006 Dodge Ram 2500, and the rented press may not accommodate a larger cup.

Standard rental kits from auto parts stores only include cups up to 75 mm, but some heavy-duty trucks require larger diameters (e.g., 80 mm) and deeper cups, and there is no easy way to find compatible aftermarket cups that fit the rented press frame.

Severity

3Medium

Willingness to Pay

implied

Added

May 22, 2026

Implied Software Gaps

A tool compatibility database indexed by vehicle specs to find the right press cup diameter and depth, plus suppliers that sell or rent that specific size.

App Concept

CupFinder Pro

A mobile app and online database that helps auto mechanics and DIYers find the exact ball joint press cup (or other specialty tool) needed for their specific vehicle make/model/year. Users enter vehicle details, see compatible cup sizes, and can purchase or rent the right cup from a network of suppliers. Eliminates guesswork and multiple trips to auto parts stores.

Key Features

Vehicle-specific tool compatibility lookup (make/model/year/engine)
Database of aftermarket and OEM cup sizes with dimensions
Integrated marketplace to buy or rent the exact cup needed
User reviews and photos confirming fitment

Target Users: DIY mechanics and independent auto repair shops working on heavy-duty trucks and SUVs with non-standard ball joint sizes

Revenue Model: Freemium with $4.99 one-time lookup for specific vehicle, $9.99/mo subscription for unlimited lookups and marketplace discounts

Existing Solutions Mentioned

ball joint press rental from AutoZone with max 75 mm cup

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