MA3H – IPD Cummins 3347939 is a black injector O-ring seal used in Cummins fuel-injection applications. Cummins service literature identifies 3347939 as the black O-ring seal in injector assemblies, and aftermarket listings describe it as an HPI/XPI fuel injector O-ring. PAI’s direct equivalent is 121336, specified as a Viton 75-durometer O-ring, approximately 1.362 in /…
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MA3H –
IPD Cummins 3347939 is a black injector O-ring seal used in Cummins fuel-injection applications. Cummins service literature identifies 3347939 as the black O-ring seal in injector assemblies, and aftermarket listings describe it as an HPI/XPI fuel injector O-ring.
PAI’s direct equivalent is 121336, specified as a Viton 75-durometer O-ring, approximately 1.362 in / 34.59 mm I.D. × 0.103 in / 2.62 mm cross-section, AS568 size -126.
| Weight | .3 lbs |
|---|---|
| Dimensions | 3 × 3 × 1 in |
Any mention of OEM names or OEM product ID numbers/descriptions/model numbers is intended for identification purposes only and does not indicate that it is an OEM part.
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