Premium aftermarket cylinder head for Caterpillar C15 Acert engines (Twin Turbo applications). Direct replacement for OEM 245-4324. Heavy-duty cast iron construction designed to withstand high boost pressures in Peterbilt, Kenworth, and Freightliner trucks. Solves common cracking issues in SDP, MXS, and NXS serials
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Ruich Value specializes in supplying Heavy Duty Engine Components that keep commercial fleets moving. When downtime costs thousands per day, you need a replacement solution that matches the durability of the original equipment without the dealership markup. Our cylinder head program specifically targets the rigorous demands of the Caterpillar C15 Acert engine family.
The Caterpillar C15 Acert Cylinder Head (OEM 245-4324) is engineered to handle the extreme cylinder pressures and heat cycles typical of Twin Turbo applications. Unlike standard single-turbo heads, this casting features reinforced internal webbing and optimized coolant passages to prevent the common cracking issues found in high-mileage SDP, MXS, and NXS engine serials. Whether you are rebuilding a Kenworth W900 or a Peterbilt 379, this head restores the compression and reliability your rig demands.
| Part Name | Cylinder Head (Bare Casting) |
| Engine Application | Caterpillar C15 ACERT / C18 |
| Configuration | Twin Turbo, Single Overhead Cam |
| Material | High-Grade Alloy Cast Iron |
| Cross Reference / OEM Numbers |
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| Weight | Approx. 135 kg |
Technician’s Note: When replacing a C15 Acert head, critically inspect the liner projection (protrusion). Acert engines run significantly higher cylinder pressures than the older 3406E; if liner height is uneven or low, the new head gasket will fail prematurely under boost. We also recommend replacing the bridge hold-down bolts, as they are prone to stretching.
| Engine Family | Engine Serials (Prefix) | Verified Equipment Models |
|---|---|---|
| Caterpillar C15 ACERT |
|
|
| Caterpillar C18 | Specific Marine/Industrial Serials | Cat 988H Wheel Loader (Check Casting) |
Ruich Value supports engine rebuilders with a comprehensive range of Heavy Duty Engine Components. From the classic 3306PC to the modern C15 Acert, we have the castings you need.
Category coverage: Our inventory includes cylinder heads for 3304, 3306, 3406B/E, C12, C15, and C18 series engines.
| Model | Part No. | Type | Remark |
|---|---|---|---|
| 3304PC | 8N1188 | PC | Pre-Combustion. Fits 3304 PC only. |
| 3304DI | 1N4304 | DI | Direct Injection. Fits 3304 DI only. |
| 3306PC | 8N1187 | PC | Pre-Combustion. Fits 3306 PC only. |
| 3306DI | 8N6796 | DI | Direct Injection. Corrected from 8N1187. |
| 3406PC | 110-5097 | PC | Pre-Combustion. For early 3406 engines. |
| 3406DI | 110-5096 | DI | Rectangle Port. Fits 3406B / Early C15. |
| 3406C | 110-5096 | DI | Round Port. Fits late 3406C. |
| 3406E | 176-9918 | DI | Specific for 3406E. Check casting number. |
| 3408A | 7N0858 | PC | Pre-Combustion. Fits 3408 w/ Glow Plugs. |
| 3408B | 7W2225 | DI | Direct Injection. Fits 3408B. |
| 3412A | 7N0848 | PC | Pre-Combustion. Fits 3412 w/ Glow Plugs. |
| 3412B | 7W2243 | DI | Direct Injection. Fits 3412B. |
| C7 | 219-5843 | DI | Common Rail Fuel System. |
| C9 | 332-3619 | DI | Fits C9. Casting # 3117226. |
| C12 | 132-3252 | DI | Marine & Truck applications. |
| C13 | 345-3752 | DI | Acert Technology. |
| 3406E / Late C15 | 110-5096 | DI | Fits 3406E & Early C15 (6NZ). Single Turbo. |
| C15 Acert | 245-4324 | DI | Fits C15 Acert (Twin Turbo) & C18. |
| C18 | 223-7263 | DI | Single Overhead Cam. Fits C18 & late C15. |
| 3116 | 140-7373 | DI | Mechanical Unit Injector (MUI). |
| D342 (D8K) | 8N6000 | PC | Application: D8K Bulldozer. |
| D342 (D8H) | 8N6004 | PC | Application: D8H Bulldozer. |
| 3208 | 6I2378 | DI | Naturally Aspirated (NA). |
View all specs in our Commercial Truck Cylinder Head Catalog.
No, this cylinder head (245-4324) is specifically designed for the Twin Turbo C15 ACERT engines (MXS, NXS, BXS serials). If you have an earlier Single Turbo C15 or 3406E, you likely need part number 110-5096. Please confirm your engine serial prefix before ordering from Ruich Value.
Standard supply is a “Bare Cylinder Head” (casting with guides and seats installed). However, loaded heads with valves, springs, and rotators can be assembled upon request. Contact our sales team for loaded options.
Yes. Caterpillar C15 head bolts are torque-to-yield. Reusing old bolts carries a high risk of snapping or failing to hold the correct clamping force, leading to gasket failure.
Need a single replacement for a repair job or a bulk order for stock? Contact us for today’s best price on C15 Acert heads.
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For Any Inquiries, please feel free to contact us, Our sales teams are always glad to support your business