for title, ## for sections)

• Avoid horizontal rules and concluding statements
• Use pure HTML <table> syntax for all tables
• Follow the exact output structure: Page Title → Part Overview → Key Parameters → Substitute Part Grouping Explanation → Parameter Comparison → Engineering Selection Recommendations → FAQ
• Ensure SEO-friendly content with full part numbers and category keywords
• Format for direct paste into web Markdown editors

I'm prepared to process your input parameters. Please provide the main part number details and substitute part list, and I'll generate the reference page accordingly.