BluCaps! Products

Protect your Diesel Exhaust Fluid (DEF) tanks from tampering, contamination and theft using our locking caps. These caps will not corrode when in contact with DEF, come with a two-year warranty, and feature Zamac coated locks. Alike keying for your fleet is available upon request.

Def Caps

AD0007 - 5-pack bulk, keyed alike

AD0022
 Locking DEF Tank Cap, single packs, individually keyed

 AD0015BULK - 5-Pack Bulk, individually keyed

 Fits:
 Freightliner 2010-newer
 Western Star 2010-Newer
 Peterbilt 2010-Newer
 Kenworth 2010-Newer
 Ford F450 to F750 with large tank caps

AD0003

 AD0003
 Locking DEF Tank Cap, single packs, individually keyed

 Fits:
 Navistar/International 2013-Newer
 Case construction

Ford F-250 to F-650 Small Locking DEF Tank Cap

Ford F-250 to F-650 Small Locking DEF Tank Cap

Coming Soon

 ADxxxx 
 Locking DEF Tank Cap

 Fits:
 Ford F250-650 with small DEF cap (see above for large DEF caps)

 ADxxxx
 Locking DEF Tank Cap

 Fits:
 Volvo 2010-Newer
 Mack 2010-Newer
 Navistar 2013-newer
   ADxxxx
 Locking DEF Tank Cap

 Fits:
 Hino 2010-Newer
 Isuzu 2010-newer