Cummins 6BTA & QSB 5.9 Aftercooler O-Ring Kit Replacement
Kit includes: 4 larger and 5 smaller o-rings (early model aftercoolers only use 3 larger o-rings)
Kit suits Cummins engines: QSC
This is an aftermarket part.
O-ring was dispatched very quickly and was fitted four days later. Fits great no leaks, very competitively priced.