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This is a 159-tooth ring gear that is commonly used in non-certified automotive 5.9 B Series and ISB Cummins engines. It has an ID of 15.092 inches and an OD of 16.06 inches. This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.
Also available in genuine.
FLYWHEEL RING GEAR - 4B 3.9 / B 4.5 / 6B 5.9 / ISB 6.7
Genuine Cummins Part
$311.96
LOWER ENGINE GASKET SET - QSB3.9-30 / QSB4.5-30
$170.68
WATER PUMP KIT - B SERIES / ISB SERIES (W/ MOUNTING GASKET)
$64.95
ROCKER LEVER - QSB5.9 (INTAKE)
$25.52
INJECTOR SEAL RING - B5.9M / 6B5.9 / 4BT3.9-C100 / B5.9-175
$0.77
ROCKER LEVER - B SERIES (EXHAUST)
$30.55
PRESSURE REGULATOR PLUNGER - 4B3.9 / 6B5.9 / B5.9 / ISB3.9 / ISB5.9G / QSB3.9
$18.78
