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The DS-4089650 upper gasket set can be used in 6B 5.9 engines dated April 2003 and later with top hat seals.
This item is a new replacement part shipped with a 12-month warranty.
ROCKER LEVER - QSB5.9 (INTAKE)
$25.52
PRESSURE REGULATOR PLUNGER - 4B3.9 / 6B5.9 / B5.9 / ISB3.9 / ISB5.9G / QSB3.9
$18.78
RETURN LINE GASKET - C8.3-250 / B5.9M / QSB5.9 / 6B5.9 / B3.9 130 / C8.3GEN
$1.54
ROCKER LEVER - B SERIES (EXHAUST)
$30.55
