Cummins QSC Aftercooler O-Ring Kit Replacement Cummins QSC 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. MSRP: Was: Now: $281.80 Add to Cart
Cummins 6BTA & QSB 5.9 Aftercooler O-Ring Kit Replacement Cummins 6BTA & QSB 5.9 Aftercooler O-Ring Kit Replacement Kit includes Cummins parts: 2 x 4019975 (thick) 2 x 3919853 (thin) o-rings Kit suits Cummins engines: 6BTA and QSB 5.9. Does not suit QSB 6.7 This is an aftermarket part. MSRP: Was: Now: $195.00 Add to Cart