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HEAVY DUTY KITS
Upper Head Gasket Set | Cummins ISX15 Engine | 4376104 / 2881767 / 4352146
Cummins ISX 15 Engine Upper Head Gasket Set Our Cummins ISX15 Upper Head Gasket Set is designed for complete head gasket replacement and upper engine sealing. Whether you’re dealing with coolant leaks, compression loss, or performing routine ISX15 cylinder head service, this kit delivers all the essential components to get your engine back on the […]
SKU:
HDKITS-4376104Brand:
Heavy Duty KitsCummins ISX 15 Engine Upper Head Gasket Set
Our Cummins ISX15 Upper Head Gasket Set is designed for complete head gasket replacement and upper engine sealing. Whether you’re dealing with coolant leaks, compression loss, or performing routine ISX15 cylinder head service, this kit delivers all the essential components to get your engine back on the road. Built to OEM-quality standards, it provides reliable performance for fleets, long-haul trucking, and vocational use.
Key Features
- Direct fit for Cummins ISX15 engines
- Complete upper gasket set for cylinder head service
- Includes ISX15 head gasket, intake, exhaust, and upper seals
- OEM-spec materials ensure durability and leak-free operation
- Supports both ISX15 head gasket replacement and preventive maintenance
Gasket set Content:
| Quantity | OEM# | Description |
| 16 | 3963988 | SEAL |
| 10 | 3963990 | FUEL FITTING SEAL |
| 6 | 6J2245 | O-RING |
| 5 | 3683814 | O-RING |
| 4 | 3682710 | EXHAUST GASKET |
| 3 | 3104230 | EGR VALVE GASKET |
| 2 | 3627695 | O-RING |
| 2 | 3682826 | RECTANGULAR SEALING RING |
| 2 | 3683940 | EXHAUST MANIFOLD CONNECTION GASKET |
| 2 | 3684284 | FITTING SEAL |
| 2 | 3685124 | O-RING |
| 2 | 3687051 | EGR TUBE SEAL |
| 2 | 3J7354 | O-RING |
| 2 | 3918190 | FUEL FITTING SEAL |
| 1 | 447GC216A | SEAL |
| 1 | 3033247 | O-RING |
| 1 | 3102802 | O-RING |
| 1 | 3104392 | VALVE COVER GASKET |
| 1 | N/A | INJECTOR O-RING KIT |
| 1 | 3678762 | TURBOCHARGER DRAIN SEAL |
| 1 | 3678786 | O-RING |
| 1 | 3678912 | O-RING |
| 1 | 3679932 | COVER GASKET |
| 1 | 3682673 | HOUSING THERMOSTAT GASKET |
| 1 | 3682940 | EXHAUST GASKET |
| 1 | 3683607 | CONNECTION WATER GASKET |
| 1 | 3684336 | HOUSING THERMOSTAT GASKET |
| 1 | 3684359 | OUTLET GASKET |
| 1 | 3688347 | INTAKE MANIFOLD GASKET |
| 1 | 3685456 | CONNECTION WATER GASKET |
| 1 | 3685535 | TURBOCHARGER MOUNTING GASKET |
| 1 | 3685639 | CYLINDER HEAD GASKET |
| 1 | 3686368 | FRONT COVER GASKET |
| 1 | 3686525 | ELECTRICAL CONNECTOR GASKET |
| 1 | 3949708 | O-RING |
| 1 | 3679139 | O-RING |
| 1 | 3957131 | O-RING |
| 1 | 23527273 | O-RING |
| 1 | 4299125 | O-RING |
| 1 | 4963857 | DOSER INJECTOR GASKET |
| 1 | 4966441 | EXHAUST OUTLET CONNECTION GASKET |
| 1 | 4985660 | RECTANGULAR SEALING RING |
| 1 | 3937706 | OIL RETURN GASKET |
| 1 | 3687007 | TIMING COVER GASKET |
OE Replacements: 131906, 2881767, 4376104, 4352146
Brand: Heavy Duty Kits
Why Choose This ISX15 Upper Gasket Set?
Many ISX15 owners ask: “What’s the difference between an upper gasket set and a full overhaul kit?” The answer is simple: this kit focuses on the top-end of the engine—perfect when you don’t need a complete rebuild. For full overhauls, you would select an ISX15 engine rebuild kit. This set is ideal for quick head repairs and top-end service.
Applications
- Heavy-duty trucks with Cummins ISX15 engines
- Vocational equipment and off-highway machinery powered by ISX15
- Engines needing head gasket replacement without a full overhaul
Frequently Asked Questions
What gaskets are included in a Cummins ISX15 upper head gasket set?
This kit typically includes the ISX15 head gasket, intake and exhaust manifold gaskets, valve cover gaskets, and related upper engine seals.
Does this ISX15 gasket kit fit all Cummins ISX15 engines?
Yes. This ISX15 upper gasket set is designed to fit all standard Cummins ISX15 configurations. Always verify your engine serial number (ESN) to ensure exact compatibility.
When should I replace the head gasket on my ISX15 engine?
You should replace your ISX15 head gasket if you notice coolant leaks, oil contamination, compression loss, overheating, or whenever the cylinder head is removed during service.
What’s the difference between an ISX15 upper gasket set and an overhaul kit?
The upper gasket set covers cylinder head service only. An overhaul kit (in-frame or out-of-frame) includes pistons, liners, bearings, and bottom-end components for a full rebuild.
Is this gasket set OEM or aftermarket?
This is a premium aftermarket replacement that meets or exceeds OEM specifications. It’s built for the same durability as Cummins OEM parts at a competitive cost.
Looking for a complete Cummins ISX15 head gasket kit? Order your Upper Head Gasket Set today or call 888-642-6460 for expert assistance.
| Weight | 0.1 lbs |
|---|---|
| Dimensions | 43 × 13 × 3 in |
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