3078360 | New Cummins N14 New Loaded Cylinder Head

OEM Cross-Reference #: 3083981 | 3084058 | 3084981 | 3084992 | 3406738 | 3406739 | 3406742 | 3411780 | 3411813 | 3411817

Engineered for Enhanced Performance

Premium U.S.-Cast Alloy – 5 % higher nickel content than OE castings to eliminate valve-seat cracking.
30 % Larger Coolant Passages – Improved heat flow keeps head temperatures stable under heavy load.
Reinforced Internal Ribs – Added structural support reduces thermal stress and warping.
Inconel Exhaust Valves – Withstand higher combustion temps and pressure for long service life.
Fully Loaded & Ready to Install – Assembled with valves, springs, keepers, rotators, seals and guides. No core return required.

Why Upgrade to TTM’s Cylinder Head?

Advantage	Benefit to You
Better-Than-OEM Casting	Longer service life; fewer downtime-causing cracks.
U.S. Design & Assembly	Tight quality control; consistent machining tolerances.
Direct Fit	Bolt-on replacement for all listed OEM part numbers—no modifications.
Cost-Effective	Save 50-70 % vs. dealer remans that often reuse fatigued castings.
Warranty	1-Year / Unlimited-Mileage coverage for peace of mind.

Weight	68.039 kg
Dimensions

We offer free standard ground shipping within the USA! If you need your parts in a hurry and would like to get them overnighted or expedited, please give us a call !

NOTE - CUT OFF TIME FOR SAME DAY SHIPPING IS 3PM CENTRAL TIME. ORDERS PLACED AFTER 3PM WILL SHIP OUT NEXT BUSINESS DAY. NEXTDAY SHIPMENTS THAT DO NOT ARRIVE ON TIME ARE NON-REFUNDABLE.
-FOR ORDERS INCLUDING HEAVY ITEMS(INFRAME KITS, HEADS,ETC.) PLEASE CHOOSE THE CORRECT SHIPPING AT CHECKOUT

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

NOTE - All open orders will have a 20% restocking fee. All returns will have a shipping fee.

1 YEAR WARRANTY

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