Replacement Upper Engine Gasket Set for Cummins ® NT-N14 Applications Step Timing Control (STC) Cross Reference OEM Cross References: 4089368 Superseded/Alternate Numbers: M-3803713, M-3804286, M-4024924

What’s Included

1 x Upper Engine Gasket Set – STC – 4089368

NOTE:</strong Early kit w/ standard Grommet Head Gasket

Contents:

3 x Cylinder Head Gasket – 4058790

3 x Manifold Gaskets – 3008591

3 x Rocker Lever Housing Gaskets – 4058981

12 x Fuel Crossover O-Ring Seals – 131026

3 x Rocker Lever Cover Gaskets – 3066311

3 x Turbo Oil Inlet O-Ring Seal – 3037537

18 x Oil Connection O-Ring Seal – 3052587

1 x Thermostat Housing Gasket – 3064313

1 x Rectangular Ring Seal – 3068510

6 x Pressure Regulator Seal – 3909397

2 x Water Bypass O-Ring Seal – 43463A

4 x Water Bypass O-Ring Seal – 68910

1 x Cap screw Gauge – 3823546

6 x O-Ring Seals – 3050667

6 x O-Ring Seals – 3084539

1 x O-Ring Seals – 3084848

1 x O-Ring Seal – 3066211

6 x Grommets – 3050867

3 x Turbo Washer – 8078

1 x Ring Seal – 3328464

6 x Gaskets – 3020943

1 x Gasket – 3069177

1 x Gasket – 3202117

6 x Seals – 3001340

1 x Seal – 3042401

OE Replacement: 131272, 3803713-01, 3803606, 4089368, 3803713, 4024924, 3804286, 3803444

Application & Fitment

• Engine Make: Cummins
• Engine Model / Application: NT-N14

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: 4089368
• Alternate / Superseded: M-3803713, M-3804286, M-4024924
• Interstate-McBee Reference: M-4089368

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.