PAI 121190 Injector O-Ring Kit – Cummins N14 (Set of 18) Front Cover Gasket Peterbilt: 03-07887

Peterbilt: 03-07887

for Series 50 and Series 60 on-highway engines

PAI 132043 crank case breather gasket replacement for Cummins 3999820

HGJB: 85107584

5410900051

PAI 121190 Injector O-Ring Kit – Cummins N14 (Set of 18) Front Cover Gasket Peterbilt: 03-07887PAI 121190 is the complete injector O ring kit for Cummins N14 855 engines, with 18 O rings (6 of each size) to reseal all six fuel injectors in one service. The kit replaces Cummins 3070136 (top), 3070137 (middle), and 3070138 (bottom) injector seals the standard wear items that fuel and oil leaks at injector bores. Made in the USA and backed by PAI's 2 year unlimited mileage warranty. Signs You Need New Injector O Rings Fuel leaking around injector