4089649 Upper Engine Gasket Set for Cummins 6BT5.9,The 4089649 upper engine gasket set is a complete sealing solution designed for Cummins 6BT5.9 engines. This full set of upper gaskets adopts high-quality composite sealing materials with excellent heat resistance, oil resistance and compression resilience. It effectively seals the gaps of engine upper assembly parts, preventing leakage of engine oil, coolant and gas, and avoiding common faults such as engine pressure loss and power attenuation. All gaskets are manufactured in strict accordance with OEM standards with precise cutting sizes, perfectly fitting the 6BT5.9 engine structure. It is an essential maintenance part to ensure engine airtightness and stable operation.

4089649 Upper Engine Gasket Set
PN NAME QTY
3283335 CYLINDER HEAD GASKET 1
3823921 GAUGE,CYL HEAD CAPSCR LGT 1
3883284 O RING SEAL 1
3900808 INJECTOR SEAL 6
3901356 TURBOCHARGER GASKET 1
3902425 SEALING WASHER 1
3906694 RECTANGULAR RING SEAL 1
3906773 SEALING WASHER 1
3910824 O RING SEAL 6
3912220 EXHAUST OUTLET CONNECTION GASKET 1
3918188 SEALING WASHER 2
3919358 INJECTOR SLEEVE 6
3923261 INJECTOR SEAL 6
3923331 THERMOSTAT HOUSING COVER GASKET 1
3929881 EXHAUST MANIFOLD GASKET 6
3930324 INJECTOR SEAL 6
3930906 VALVE COVER GASKET 6
3935449 NOISE ISOLATOR 6
3936876 RECTANGULAR RING SEAL 1
3937142 INJECTOR SEAL 6
3938152 INTAKE MANIFOLD COVER GASKET 1
3957912 VALVE STEM SEAL 12
3963988 SEALING WASHER 2
4942278 BANJO CONNECTOR SEAL 6
5264569 OIL DRAIN GASKET 1

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