5394198 | Stage 2 Cylinder Head Cummins ISX15 | Single Cam Head | 4374091
$3,195.00
In Stock
Buy SOHC Cummins ISX15 Stage 2Cylinder Head from Heavy Duty Kits at Discounted Rates. Free Shipping. 1 year warranty. Call +1888-642-6460 Now.
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SKU:
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Heavy Duty KitsCummins ISX15 Stage 2 Cylinder Head | Single Cam Head | Upgraded Inconel Valves
Upgrade your Cummins ISX15 engine with this premium 5394198 Stage 2 Cylinder Head engineered specifically for Cummins ISX15 single cam applications using casting 5394198 and OEM reference 4374091. Built with a brand-new casting and upgraded Inconel intake and exhaust valves, this complete loaded cylinder head is designed for superior durability, heat resistance, and long-term heavy-duty performance.
Ideal for commercial trucks, fleet rebuilds, and industrial diesel applications, this ISX15 cylinder head delivers OEM-quality fitment and dependable operation under demanding conditions.
Designed for 5394198 & 4374091 ISX15 Applications
This Stage 2 Cummins ISX15 cylinder head is specifically optimized around 5394198 and 4374091 casting applications, helping target newer replacement and service-reference searches without overlapping standard 4298234-focused listings.
Compatible with Cummins ISX15 Single Overhead Camshaft (SOHC) engines.
Key Features
- Stage 2 Cummins ISX15 cylinder head
- Fits ISX15 single cam engines
- Upgraded Inconel intake valves
- Upgraded Inconel exhaust valves
- Brand-new heavy-duty casting
- Complete loaded head assembly
- OEM-quality direct-fit replacement
- Precision-machined for durability and sealing
- Ready-to-install configuration
Benefits of Inconel Valves
This upgraded ISX15 Stage 2 head includes premium Inconel valves designed for high-temperature diesel environments.
Inconel Valve Advantages
- Exceptional heat resistance
- Improved durability under heavy load
- Helps reduce valve cracking and burning
- Excellent corrosion resistance
- Ideal for turbocharged diesel applications
Inconel valves are commonly used in high-performance and severe-duty diesel engines where standard valves may fail under excessive heat.
OEM Cross References
Primary References:
- 5394198
- 4374091
- 5394197
- 4386009
Additional Compatible References:
- 3688754
- 3687398
- 3686431
- 4298238
- 5658294
- 5708760
And additional ISX15 single cam replacement numbers.
Applications
Compatible with various Cummins ISX15 powered applications including:
- Heavy-duty highway trucks
- Fleet and vocational trucks
- Construction equipment
- Industrial machinery
- Commercial diesel applications
Why Choose This 5394198 ISX15 Stage 2 Cylinder Head?
If your Cummins ISX15 engine is experiencing overheating, compression loss, coolant leakage, or valve failure, this upgraded Stage 2 cylinder head provides a reliable heavy-duty replacement solution.
With upgraded Inconel valves, OEM-quality machining, and complete loaded assembly, this 5394198 ISX15 cylinder head is built for dependable long-term diesel performance.
For compatibility assistance, call 888-642-6460.
Additional OE Replacements: 3686431, 3686432, 3686434, 3686660, 3686660NX, 3686660R, 3686774, 3686880, 3686881, 3686881NX, 3687398, 3687607, 3687607NX, 3688754, 3688800, 3688800RX, 3691250, 3691253, 4298234, 4298235, 4298237, 4298237NX, 4298237R, 4298238NX, 4298238RX, 4356434, 4356434NX, 4356434RX, 4374091RX, 4386009RX, 5628269, 5628269RM, 5628269RX, 5658294, 565829400RX, 5658294RX, 565830100RX, 5658302, 5658302RX, 5658309, 5658309RX, 5708760, 570876000RX, 5708760NX, 5708760RX, 79438920, 79457900, 79469386, 79527893, 79575425, 4386009, 3688761, 3688761RX, 4374091, 4298238, 5394197RX, 5394198RX, 565829400, 565830100, 570876000, 5394197, 5394198, 3688759, 3688755
Frequently Asked Questions – FAQ’s
What is the OEM part number for this Cummins ISX15 Cylinder Head?
This cylinder head is OEM reference **5394198** and cross-referenced with **4374091**, specifically designed for Cummins ISX15 Single Cam engines.
Does this ISX15 cylinder head fit all Cummins ISX engines?
No, this is a **Single Cam ISX15 Cylinder Head**. It will not fit Dual Cam ISX or ISX12 engines. Always verify your engine serial number (ESN) and OEM reference before ordering.
Is the Cummins ISX15 Cylinder Head new or remanufactured?
We offer this cylinder head as **brand-new replacement**, built to meet or exceed Cummins OEM standards. It is fully inspected and pressure tested before shipping.
Do I need to replace the head gasket when installing this cylinder head?
Yes, it’s highly recommended to use a new **ISX15 head gasket** and head bolts during installation to ensure proper sealing and prevent leaks.
What applications use the ISX15 Single Cam Cylinder Head?
This head is used in **on-highway trucks, vocational equipment, construction machinery, and industrial engines** running the Cummins ISX15 platform.
How do I confirm if this ISX15 head is right for my engine?
Check your **engine serial number (ESN)** and verify it matches OEM reference **5394198 / 4374091**. If unsure, contact us with your ESN and we’ll confirm compatibility.
| Weight | 250.00 lbs |
|---|---|
| Dimensions | 0.00 × 0.00 × 0.00 in |





This cylinder head was delivered in timely manners and quality is great
Repair Emanualon August 26, 2025
Recommended! cylinder heads is high quality and is exact replacement
Repair Manon August 26, 2025