Cummins ISX15 Stage 2 Cylinder Head | Single Cam | Inconel Valves

Upgrade your engine with this premium Stage 2 Cummins ISX15 Single Cam Cylinder Head built for durability, performance, and long service life in demanding diesel applications. This complete loaded cylinder head features upgraded Inconel intake and exhaust valves designed to handle extreme exhaust temperatures and heavy-duty operating conditions.

Manufactured using a brand-new casting and precision-machined to OEM specifications, this ISX15 cylinder head delivers reliable performance for commercial trucks, vocational fleets, and industrial equipment.

Key Features

• Brand-new Cummins ISX15 single cam cylinder head
• Stage 2 upgraded design
• New Inconel intake valves
• New Inconel exhaust valves
• Complete loaded head assembly
• New casting for improved durability
• OEM-quality direct-fit replacement
• Ready to install
• No core charge required
• Free shipping available
• 1-Year Parts & Labor Warranty

Benefits of Inconel Valves

This Stage 2 ISX15 cylinder head includes upgraded Inconel valves for improved durability in high-temperature diesel applications.

Why Inconel Valves Matter

• Better heat resistance than standard valves
• Improved durability under heavy load
• Helps reduce valve burning and cracking
• Ideal for turbocharged diesel engines
• Longer service life in demanding applications

Compatible Casting Numbers

Casting # 4298234, 3688754, 3687398, 3686431 & More

Serial Numbers: 79438920, 79457900, 79469386, 79527893, 79575425 & more

Compatible OEM Part Numbers

Fits multiple Cummins OEM part numbers including:

3686431, 3686432, 3686434, 3686660, 3686660NX, 3686660R, 3686774, 3686880, 3686881, 3686881NX, 3687398, 3687607, 3687607NX, 3688754, 3688755, 3688759, 3688761, 3688761RX, 3688800, 3688800RX, 3691250, 3691253, 4298234, 4298235, 4298236, 4298237, 4298237NX, 4298237R, 4298238, 4298238NX, 4298238RX, 4356434, 4356434NX, 4356434RX, 4374091, 4374091RX, 4386009, 4386009RX, 5394197, 5394197RX, 5394198, 5394198RX, 5628269, 5628269RM, 5628269RX, 5658294, 565829400, 565829400RX, 5658294RX, 565830100, 565830100RX, 5658302, 5658302RX, 5658309, 5658309RX, 5708760, 570876000, 570876000RX, 5708760NX, 5708760RX

Why Choose This Cummins ISX15 Cylinder Head?

If your ISX15 engine is experiencing overheating, coolant loss, valve failure, or compression issues, this upgraded Stage 2 cylinder head offers a reliable heavy-duty replacement solution.

With upgraded Inconel valves, OEM-quality machining, and complete loaded assembly, this Cummins ISX15 head is built for dependable performance and long-term reliability.

Information about Inconel Valves

Inconel Valves refer to engine valves made of this superalloy. Here’s why they are significant:

Heat Resistance: Inconel retains its strength over a wide temperature range. This makes it an excellent material for engine valves, especially in high-performance engines where valves are exposed to extreme temperatures.

Corrosion Resistance: Inconel is resistant to oxidation and various forms of corrosive environments, making it an ideal material for engines that run lean and hot, which can be corrosive to many metals.

Durability: Because of its ability to withstand high temperatures and resist corrosion, engine valves made of Inconel tend to have a longer service life, especially when compared to traditional stainless steel valves.

Applications: Inconel valves are often found in high-performance automotive engines, jet engines, and other applications where components are subjected to high temperatures and pressures. They are particularly beneficial for turbocharged and supercharged engines that produce higher combustion temperatures.

If you are not sure whether this ISX15 Single Camshaft Head is compatible with your engine, please contact one of our friendly and knowledgeable staff members at +1-888-642-6460