MA31 – Cummins 3963990 is an OEM 12 mm sealing washer used on banjo-bolt and fluid-fitting connections. Current Cummins application listings show it on 5.9L Cummins fuel-system banjo fittings, with two washers typically used per banjo bolt. 12 mm I.D. × 18.3 mm O.D. × 1.2 mm thick.
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MA31 – Cummins 3963990 is an OEM 12 mm sealing washer used on banjo-bolt and fluid-fitting connections. Current Cummins application listings show it on 5.9L Cummins fuel-system banjo fittings, with two washers typically used per banjo bolt.
12 mm I.D. × 18.3 mm O.D. × 1.2 mm thick.
| 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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