Replacement Lower Engine Gasket Set for Cummins ® NT-N14 Applications N14 – 91N14 & Step Timing Control (STC) Construction Cross Reference OEM Cross References: 4025069 Superseded/Alternate Numbers: M-3803613

What’s Included

1 x Lower Engine Gasket Set –4025069

Note: 91N14 & STC Construction

Content:

1 x Front Crankshaft Seal

1 x Seal

1 x Water Pump Seal

1 x Water Tube O-Ring Seal

1 x Oil Cooler Support Gasket

1 x Gasket

1 x Gasket

1 x Hand Hole Gasket

2 x Gaskets

2 x Gaskets

1 x Oil Pan Suction Tube Gasket

1 x Gasket

1 x Filter Head Gasket

1 x Oil Connection Gasket

2 x Rectangular Gaskets

3 x Gaskets

3 x Gaskets

3 x Gaskets

3 x Cam Follower Gaskets

2 x Oil Seals

1 x Accessory Drive Support Gasket

1 x Air Compressor Gasket

1 x Air Compressor Gasket

1 x Water Pump Mounting Gasket

1 x Oil Pan Gasket

2 x Ring Seals

1 x Fuel Pump Gasket

6 x O-Ring Seals

1 x Gear Cover Gasket

1 x Oil Fan Hub Seal

1 x Seal

1 x Seal

1 x Water Pump Gasket

1 x Rear Crankshaft Seal

1 x Oil Pump Gasket

OE Replacement: 131273, 3803613, 3803376, 4025069

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: 4025069
• Alternate / Superseded: M-3803613
• Interstate-McBee Reference: M-4025069

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.