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Exhaust valve for Liebherr D9406 D9408 30º
Exhaust valve for Liebherr engine D9406 / D9408 (Ref. 9274639)
Optimize gas evacuation and protect your engine's overall performance with this heavy-duty exhaust valve. Engineered to exact OEM specifications for the Liebherr D9408 diesel engine, this cylinder head component ensures superior thermal and mechanical sealing, preventing compression leaks and protecting the engine against high-temperature wear during demanding operations.
📋 Technical Specifications
| Feature | Detail |
| Product | Exhaust Valve |
| Part Number (OEM) | 9274639 |
| Cross / Alternative References | 9274639-PE / 9274639-OEM |
| Engine Compatibility | Liebherr D9408 (TI, TI-E, A3, A4, A5 series) |
| Material | Heat-resistant high-durability alloy steel |
| Application Type | Construction machinery, excavators, and industrial equipment |
💡 Key Benefits
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Superior Thermal Resistance: Withstands extreme exhaust gas temperatures, preventing head warping and valve face erosion.
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High-Precision Sealing: Guarantees a tight fit against the valve seat to maintain compression stability in the combustion chamber.
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Extended Lifespan: Specialized heat treatment on the stem and head reduces friction wear under continuous duty cycles.
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Direct OEM Replacement: Identical dimensions to factory original for seamless installation during engine rebuilds.
Technical Tip: When replacing the exhaust valve on a D9408 engine, it is recommended to inspect valve guides, regrind seats, and install new stem seals for optimal sealing.
9274639
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Exhaust valve for Liebherr engine D9406 / D9408 (Ref. 9274639)