Replacement Lower Engine Gasket Set for Cummins ® ISX/QSX Applications EGR engines Cross Reference OEM Cross References: 4955591 Superseded/Alternate Numbers: M-4089170

Product Details

4955591, 4089170 | Lower Gasket Set

Cummins ISX / QSX Diesel Engine

10 x O-Ring Seal (3678606, 3678724, 3678756, 3678912, 3678846, 4059172, 3680294, 3682360, 3682882, 3102109)

1 x Seal (212161, 211126)

1 x Oil Pan Gasket (4026684, 3679943)

1 x Connection Gasket (3684338, 3680574)

1 x Front Crankshaft Seal Kit, 4955383, 3104263

2 x O-Ring Water Tube Seals, 3049221

1 x Gear Housing Gasket, 3680876, 3681145, 4026694, 4089757, 4101883, 4985562

1 x Strip Gasket, 3679913, 4059182, 4962722

1 x Heater Gasket

1 x Rear Crankshaft Seal Kit, 3680095, 4101422, 4926527, 4965569

2 x Plain Hose, 4952644, 4919970, 3682842

1 x Flywheel Housing Gasket, 4965688, 4026695, 3680373

1 x Acc Drive Support Gasket,4965690, 3680443

2 x Grommet Seals, S1003A, 3103015

1 x Lube Oil C/R HSG Gasket

Brand: MCBEE

Part Number: 4955591, 4089170, M-4955591, M-4089170

Weight: 12.0 lbs

Application & Fitment

• Engine Make: Cummins
• Engine Model / Application: ISX/QSX

Confirm the original part number and engine identification before ordering. Where applicable, also verify serial-number range, production year, piston style, bearing size or other configuration notes shown in the product information.

Part Numbers & Cross References

• OEM Cross Reference: 4955591
• Alternate / Superseded: M-4089170
• Interstate-McBee Reference: M-4955591

Need Help Confirming Fitment?

Use the engine model, serial number and original part number when checking compatibility. For kits and sets, review the complete component breakdown above before ordering because contents can vary by engine configuration.