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This is a Valve Spring Retainer for Cummins 4B3.9 engines.
This item is a new replacement part shipped with a 12-month warranty.
INTAKE AND EXHAUST VALVE SPRING - 6B5.9 / 4B3.9
$5.84
VALVE LOCK - 4BT / 6BT
$0.44
ROCKER LEVER - B SERIES (EXHAUST)
$30.45
PUSH ROD - 4B3.9 / 6B5.9 / ISB / ISD
$10.51
ROCKER LEVER - QSB5.9 (INTAKE)
$25.44
