Cummins upper gasket kit is engineered for 6BT, 6BTA5.9 and QSB5.9 diesel engines. It is a complete top-end repair kit, covering all sealing gaskets, valve stem seals, O-rings for cylinder head disassembly and overhaul. Available in genuine, OEM and premium aftermarket grades
CUMMINS
4089649
UPPER GASKET KIT
6BT
CUMMINS
3802376/3802363
LOWER GASKET KIT
6BT
CUMMINS
3800939
O/HAUL GASKET KIT
B3.3
CUMMINS
4089758
UPPER GASKET KIT
ISLe
CUMMINS
4089759
LOWER GASKET KIT
ISLe
CUMMINS
4025107
UPPER GASKET KIT
ISBe4
CUMMINS
4025108
LOWER GASKET KIT
ISBe4
CUMMINS
4089819
UPPER GASKET KIT
ISBE
CUMMINS
4025139
LOWER GASKET KIT
ISBE
CUMMINS
4955229
UPPER GASKET KIT
6QSB6.7
CUMMINS
4955230
LOWER GASKET KIT
6QSB6.7
CUMMINS
4090035
UPPER GASKET KIT
6QSB5.9
CUMMINS
4090037
UPPER GASKET KIT
6QSB5.9
CUMMINS
3800833
LOWER GASKET KIT
6QSB5.9
CUMMINS
4089978
UPPER GASKET KIT
QSL
CUMMINS
4089958
UPPER GASKET KIT
QSL
CUMMINS
4089889
LOWER GASKET KIT
QSL
CUMMINS
4089979
LOWER GASKET KIT
QSC8.3
Cummins 6BT and QSB5.9 diesel engines. Commonly fitted on medium & heavy-duty trucks, wheel loaders, excavators, road rollers, generator sets, tractors and other industrial power equipment. Ideal for cylinder head repair, valve job, top overhaul, replacing failed gaskets to restore engine compression and power.
