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Our Cum mins M11 Upper Engine Gasket Set is a premium OEM-grade heavy-duty top-end sealing solution tailored for Cum mins M11, ISM11 and QSM11 10.8L heavy-duty diesel engines. This complete top end gasket kit covers all professional sealing components required for cylinder head replacement, upper engine in-frame overhaul and top-end maintenance. It perfectly resolves common M11 engine failures including cylinder head blowout, coolant leakage, intake and exhaust air leakage, valve cover oil seepage and compression pressure loss. Adopting upgraded thickened MLS multi-layer steel and high-temperature anti-aging polymer materials, this M11 upper seal kit boasts outstanding pressure resistance, thermal stability and fatigue resistance, delivering long-lasting and reliable sealing performance for trucks, construction machinery and industrial power units operating under high-load and long-hour harsh working conditions.
Compatible Engine & Equipment Applications
This Cum mins M11 top end gasket set strictly complies with OEM dimensional tolerance standards, achieving 100% perfect fit for Cum mins M11 / ISM11 / QSM11 10.8L inline heavy-duty diesel engines. It is a dedicated top-end repair kit widely applicable to commercial transportation, engineering and industrial equipment:
Heavy-Duty Highway Trucks: Freightliner, International, Kenworth and Peterbilt semi-trucks equipped with M11/ISM11 diesel engines
Construction Machinery: Large loaders, excavators, road rollers and off-road engineering machinery powered by QSM11 engines
Industrial Generator Sets: Stationary industrial generators, emergency power supply units and continuous-operation power equipment
Special Engineering Equipment: Large water pump units, air compressors and heavy-duty industrial mechanical power systems
Official OEM Part Numbers
Item
OEM Part Number
Complete Upper Engine Gasket Set
4089478 / 5560689
Alternative Top Overhaul Kit
4025157
MLS Cylinder Head Gasket (Single)
3800730 / 4920076
Kit Components List
This Cum mins M11 upper gasket kit provides fully complete and OEM-matched top-end sealing accessories for professional engine overhaul, with no missing parts or extra accessories required. All components are precision manufactured to cover every upper engine sealing position for M11, ISM11 and QSM11 engine repair:
Reinforced thickened MLS multi-layer steel cylinder head gasket, anti-blowout and ultra-high pressure resistant
Full set of high-temperature resistant valve stem oil seals, anti-aging and oil-leakage proof
Precision-fit intake manifold and exhaust manifold sealing gaskets
Cooling system upper gaskets and high-temperature coolant passage sealing rings
Turbocharger mounting gaskets and high-pressure resistant auxiliary O-rings
All matched upper engine paper gaskets, rubber seals and precision sealing components
Key Features & Advantages
100% OEM Exact Fit & Easy Installation: Manufactured strictly according to Cum mins original factory specifications and precision tolerance standards. This M11 upper gasket set supports direct bolt-on installation without cutting, grinding or modification, perfectly matching stock M11, ISM11 and QSM11 engines, effectively avoiding installation errors and sealing gaps.
Ultra-Strong High Pressure & Temperature Resistance: Adopts upgraded thickened MLS steel composite structure and imported high-temperature resistant polymer materials. It is professionally optimized for M11 10.8L high-power engines, effectively resisting extreme combustion pressure and long-term high-temperature operation, completely solving common points such as head gasket rupture, cylinder blowing and coolant leakage.
Excellent Harsh Environment Durability & Anti-Aging Performance: All sealing parts feature premium oil resistance, corrosion resistance, compression resilience and anti-fatigue properties. It maintains stable and consistent sealing performance under long-term high-vibration, heavy-load and continuous 24-hour operation, greatly reducing frequent maintenance caused by aging and seal failure.
Complete Professional Top-End Repair Solution: This all-in-one upper gasket kit integrates all required top-end sealing parts, covering full upper engine overhaul demands. It thoroughly fixes typical faults including insufficient cylinder compression, engine power drop, overheating, air leakage and valve system oil seepage, realizing one-time complete engine restoration.
High Cost-Performance & Downtime Reduction: Effectively restores the original power output, fuel economy and operational stability of Cum mins M11 series engines. It eliminates repeated repair failures, reduces equipment downtime and maintenance costs, and significantly extends the service life of heavy-duty diesel engines.
Important Compatibility Notes
This Cum mins M11 upper engine gasket set is exclusively designed for Cum mins M11, ISM11 and QSM11 10.8L heavy-duty diesel engines. It is not interchangeable with other Cum mins engine series such as K19, K38, X15, ISF and 6BT/6CT series due to differences in engine structure, cylinder parameters and top-end sealing layout. Please confirm your exact engine model and matching OEM part number before ordering to avoid installation mismatch and mechanical failure.
Warranty & Service
Cum mins M11 upper gasket sets. Every gasket kit undergoes strict multi-process factory inspection on material quality, flatness, dimensional accuracy and compression sealing performance, providing stable, durable and reliable top-end sealing protection for heavy-duty trucks, construction machinery and industrial generator sets.
Company Details
Bronze Gleitlager
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Ecer Certification：
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Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu... Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu...
