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Peterbilt 386 Performance Parts

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  • Cummins Exhaust Manifold Kit 3937478 - Main Cummins Exhaust Manifold Kit 3937478 - Side

    Aftermarket

    $143.61
    Cummins Exhaust Manifold Kit 3937478 *Please Verify OEM Number Before Purchase Heavy Duty Exhaust Manifold Kit Fits Cummins ISC 8.3 Engines Direct Aftermarket Replacement For OEM #: 3937478 Gaskets And Hardware Included Regular Grade Heat...
    $143.61
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