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This is an Injector Seal Ring for Cummins B5.9M, 6B5.9, 4BT3.9-C100 and B5.9-175 engines. This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.
FUEL INJECTOR - B SERIES / ISB / QSB (BOSCH)
Use with the DS-3903380 Return Line Gasket and DS-3909356 Seal Ring
$89.28
RECTANGULAR RING SEAL
Genuine Cummins Part
$3.97
RETURN LINE GASKET - C8.3-250 / B5.9M / QSB5.9 / 6B5.9 / B3.9 130 / C8.3GEN
$1.91
GASKET - 4BT / 6BT
$4.82
SEAL - 552 / 4BT3.9-C100 / D4L2008 / B3.9 / C8.3GEN
$1.47