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Genuine Cummins grommet seal, part number 3103015, for the coolant line connection at the air compressor on Cummins engines. It seals the line against coolant leakage at the compressor. Replaces earlier Cummins number S1003A (S-1003-A).
Specifications:
Compatibility / Fitment:
Fits Cummins engines whose parts list calls for grommet seal 3103015 or S1003A at the air compressor coolant line.
Hard fitment gate — part number:
Cummins uses several different grommets and seals at coolant and oil line connections. Match 3103015 or S1003A in your engine’s parts list, or the number on the original packaging, before ordering.
Installation: Fit a new grommet whenever the coolant line is removed from the air compressor.
Quantity: Sold individually. Order one for each grommet location your parts list shows.
Other versions available: PAI, FP Diesel, Interstate-McBee and AFA Industries versions of this seal.
Common interchanges: Cummins S1003A; PAI 136017; Interstate-McBee M-S1003A; FP Diesel FP-3103015; AFA Industries A3103015.
Conclusion:
Cummins 3103015 is the genuine air compressor coolant line grommet seal, replacing earlier Cummins number S1003A. Match the Cummins number in your parts list before ordering.