OEM 332-3619 cylinder head for Caterpillar C9 8.8L ACERT engines. Fits 330D excavators and D6T dozers. Pre-installed injector sleeves. Bulk orders welcome
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The Ruich Value 332-3619 is an OEM-spec aftermarket cylinder head for Caterpillar C9 8.8L ACERT engines. It features the reinforced 311-7226 casting with pre-installed stainless steel injector sleeves to resolve overheating in Caterpillar 330D, 336D, and D6T fleets. In stock for global export.
The Caterpillar C9 8.8L engine is an industrial heavyweight, providing the necessary torque for mid-to-large frame earthmovers like the 330D excavator and D6R Series III dozer. At the structural core of this ACERT-powered platform, the Caterpillar C9 cylinder head (OEM 332-3619) manages extreme thermal loads and high-pressure fuel delivery. Ruich Value supplies this precision-engineered top-end assembly, cast from high-nickel alloy iron, to restore factory-spec 16.1:1 compression and peak hydraulic efficiency. Our heads are designed specifically for off-highway duty cycles where uncompromising durability is mandatory.
Continuous operation in high-cycle mining and construction often exposes C9 injector sleeve seal failure and structural cracking between valve bridge areas. These failures lead to coolant-oil mixing and pressurized cooling systems, often resulting in engine limp mode and costly downtime. Our replacement 332-3619 units utilize the reinforced 311-7226 casting mold with optimized internal water jacket passages. This design improves heat dissipation around the HEUI injector ports, permanently addressing the thermal fatigue fractures common in aging D6T dozer engine head applications.
For fleet maintenance managers and independent rebuild workshops in the Southeast Asia excavator parts market, sourcing 100% pressure-tested components is vital. Every 332-3619 cylinder head undergoes rigorous magnetic particle inspection (Magnaflux) and a three-stage vacuum test to ensure perfect valve-to-seat sealing. Whether you are maintaining a CAT 330D excavator or overhauling a 973D track loader, our factory-direct inventory provides the precision required to sustain Caterpillar’s legendary QDR standards without dealership lead times.
| Parameter | Technical Value |
|---|---|
| Primary OEM Number | 332-3619 / 3323619 |
| Casting Number | 311-7226 / 3117226 |
| Engine Compatibility | Caterpillar C9 ACERT (8.8L Inline-6) |
| Valve Configuration | OHV, 24 Valves (4 per Cylinder) |
| Bore x Stroke | 112 mm x 149 mm |
| Compression Ratio | 16.1:1 (Verified OEM Spec) |
| Fuel System | HEUI (Hydraulic Electronic Unit Injector) |
| Cross-Reference | 263-5055, 235-1974, 242-0836 |
Our heavy-duty cylinder head catalog extensively covers the Caterpillar ACERT engine family. Explore our complete Caterpillar Categories for additional rotating assemblies, HEUI injectors, and master overhaul kits for C7, C9, and C13 platforms.
| 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). |
| Make | Machine Model | Year Range | Engine | Application |
|---|---|---|---|---|
| Caterpillar | 330D / 330D L / 336D | 2006–2014 | CAT C9 ACERT | Excavator |
| Caterpillar | D6R Series III / D6T | 2004–2015 | CAT C9 ACERT | Crawler Dozer |
| Caterpillar | 973C / 973D | 2005–2015 | CAT C9 ACERT | Track Loader |
| Caterpillar | 627G / 637G | 2005–2012 | CAT C9 ACERT | Scraper |
The most reliable identification method is checking the physical casting mark. The 332-3619 OEM part corresponds directly to the 311-7226 casting number, which is prominently stamped on the side of the head. This specific casting is engineered for the C9 ACERT series. For older non-ACERT C9 engines, casting profiles and bolt patterns may differ; always cross-verify your engine serial number prefix before installation.
Proper torque is vital to prevent head gasket failure. The C9 head bolts require a multi-stage torque-plus-angle procedure. The sequence typically involves an initial torque of 160 Nm (118 ft·lb), followed by a 90-degree turn, and a final 90-degree turn in a cross-pattern starting from the center. You must use brand-new bolts as these are Torque-to-Yield (TTY) fasteners that cannot be reused.
Generally, no. While the core block geometry is similar, Marine C9 arrangements utilize different internal cooling passage coatings and specialized exhaust manifold bolt patterns to resist salt-air corrosion. The 332-3619 is explicitly designed for Industrial and Earthmoving duty. Installing a standard industrial head in a marine application will lead to accelerated thermal fatigue and water jacket erosion.
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