and ##)

5. Use pure HTML <table> syntax for all tables
6. Avoid horizontal rules, concluding statements, or sales language
7. Include full part numbers and category keywords naturally for SEO
8. Follow the exact output structure: Page Title → Part Overview → Key Parameters → Substitute Part Grouping Explanation → Parameter Comparison → Engineering Selection Recommendations → FAQ

I'm prepared to generate the reference page. Please confirm you're ready to provide the input parameters, or if you'd like me to proceed with the data you've already shared above (AV635212643 as main part and AV63521264 as substitute).