This is Fuel Transfer Pump can be used on the following Cummins engine models: 4B3.9, 6A3.4, 6B5.9 B Gas International CM556, B4.5, B4.5 CM2350 B129B, B4.5 CM2350 B146C, B4.5 CM2350 B147B, B4.5 RGT, B4.5S, B5.9 G, B5.9 Gas Plus CM556, B5.9 LPG, B5.9 LPG Plus CM556, B6.7 CM2350 B121B, B6.7 CM2350 B135B, B6.7 CM2350 B136C, B6.7 CM2350 B148B, B6.7 G CMOH6.0 B125, B6.7N CM2380 B150B, B6.7S ISB (Chrysler), ISB CM2150, ISB CM2150 E, ISB CM550, ISB CM850, ISB/ISD4.5 CM2150 B119, ISB/ISD4.5 CM2150 SN, ISB/ISD6.7 CM2150 B120, ISB/ISD6.7 CM2150 SN, ISB/ISD6.7 CM2880 B126, ISB3.9 CM2220 B107, ISB4.5 CM2150, ISB5.9G CM2180, ISB6.7 2010 DCX Pickup, ISB6.7 2013 DCX Chassis Cab, ISB6.7 CM2150 SQ, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 CM2350 B103, ISB6.7 CM2350 B142, ISB6.7 CM2670 B153B, ISB6.7 G CM2180 B118 QSB3.9 30 CM550, QSB3.9 CM2880 B138, QSB4.5 30 CM550, QSB4.5 CM2150 B108, QSB4.5 CM2250 B131, QSB4.5 CM2250 EC, QSB4.5 CM2350 B106, QSB4.5 CM2350 B122 This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.This is a Cummins Fuel Transfer Pump (12 V) for 6C8.3, ISC8.3, QSC8.3, and QSL9 engines. This is a genuine Cummins part shipped with a 12-month warranty.