Cannot find the correct OEM harmonic balancer bolt part number for a 2008 Malibu 2.4 Ecotec; multiple supplier parts diagrams don't list it.

Parts catalogs and suppliers do not include the torque-to-yield crankshaft pulley bolt as a purchasable part number, despite the manual recommending replacement.

Severity

3Medium

Willingness to Pay

implied

Added

May 22, 2026

Workarounds Described

Scoured internet for hours
Checked RockAuto, carparts.com, GM OEM website
Checked exploded view on 2.4 diagram

Implied Software Gaps

Search engine and parts websites lack metadata for torque-to-yield fasteners as purchasable items
Vehicle diagrams fail to label the bolt as a replaceable part

App Concept

BoltFinder Pro

A specialized part identification and cross-reference app for auto repair. Users enter vehicle details and the part they need, and the app retrieves OEM part numbers from manufacturer databases, even for obscure or non-listed parts like torque-to-yield bolts. Integrates with major parts suppliers for direct ordering.

Key Features

VIN-based part lookup with exploded diagrams
Database of all OEM bolts, including torque-to-yield fasteners
Cross-reference to aftermarket equivalents
Direct link to purchase from RockAuto, Amazon, or dealer parts sites

Target Users: DIY mechanics and independent auto repair shops in the automotive repair industry, especially those working on vehicles with non-standard or obscure fasteners.

Revenue Model: Freemium with $9.99/mo pro tier for unlimited lookups and supplier integration; affiliate commission on parts purchased through links.

Existing Solutions Mentioned

Haynes manualRockAutocarparts.comGM OEM parts website

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