This OpenCart related products by Option module will allow you to quickly relate Options to each other .
Get related products for OpenCart 3 - CLICK HERE

FEATURES

• Relate one or many to many products at once
  
• Filter products by price range
  
• Relate products by option
  
• Relate one or many product Options to single or many product Options
  
• Delete Related products for given Option of main products
  
• - one option to many options Related products
  
• - many options to one option Related products
  
• - one option to one option Related products
  
• - many to many or one products Related products

DEMO
(This is the full demo. In this product you will have only the Price Range and the Option tabs in Advanced view)
http://ggwshop.com/oc23bulkrelatedultimate/admin/
user: demo
pass: demo

Requires vQmod 2.3+
Installs via the Extension Installer
Old modules compatibility fix for OpenCart 2.3 included. So your older modules (for 2.1 for example) will magically start to work again.
Check the Documentation its a 1 minute read and install process I promise :)