Lower Air Filter Box Retaining Strap Hook/Catch Repair Kit. If the bracket holding the retaining strap to the lower filter box is broken - this is what you need. Remove the broken catch - Hobby/Box knife - locate the new catch and drill two holes for the locating bolts and you have a perfect repair. Works for lower air box part numbers ----- 928 110 229 00 - 78 to 83 4.5L & 4.7L 16v CIS engines. 928 110 211 00 - 80 to 84 4.5L & 4.7L 16v L-Jet engines 928 110 229 01 - 84 to 86 4.7L 16v LH engines 928 110 229 03 - 85 to 86 5.0L 32v LH- engines