Description
MA3I – PAI 121313 is an injector O-ring seal for Cummins ISX-series injector applications. PAI’s own injector O-ring kit documentation maps 121313 directly to Cummins 3330538. In the PAI 121309 injector O-ring kit, six 121313 seals are used along with the other injector O-rings for the ISX injector set.
Dimensions:
Inside diameter: 33 mm / 1.299 in
Cross-section: 1.78 mm / 0.070 in
Approx. outside diameter: 36.56 mm / 1.439 in
Material: FPM / Viton-type fluoroelastomer


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