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Cum mins K50 K1 Diesel Engine Full Gasket Kit | OEM 3800731 3803601 3804300 | for Cum mins Engine Parts
Rebuild or overhaul your large mining excavator, haul truck, or heavy industrial equipment with this comprehensive full gasket kit for the Cum mins K50 K1 diesel engine. This complete gasket set includes every sealing component necessary for a major engine overhaul, ensuring proper compression, leak-free operation, and long-term durability in the most demanding applications. Designed to meet or exceed original OEM specifications, this kit contains heavy-duty gaskets and seals for all engine mating surfaces including cylinder head, oil pan, gear cover, and more. Direct replacement for multiple OEM kit numbers including 3800731, 3803601, 3804300, and related variants. Fits a wide range of Cum mins K-series powered excavators and mining equipment - verify your engine model and serial number for compatibility.
Technical Specifications
Parameter
Details
Engine Model
Cum mins K50, K2000E, KTA50, KTTA50, K50 K1 Series
Kit Type
Full Engine Gasket Kit (Upper & Lower)
OEM Kit Numbers
3800731, 3803601, 3804300, 3801717
Individual Gasket OEM References
3177160, 4906234, 3802812
Engine Type
V16 Cylinder Diesel
Displacement
50 Liters
Bore x Stroke
159 mm x 159 mm
Application
Large Excavator / Mining Haul Truck / Shovel / Heavy Construction
Cylinder Head Gasket Material
Multi-Layer Steel (MLS)
Seal Material
High-Temperature Viton / Nitrile Rubber / PTFE
Condition
Brand New
Warranty
6 Months
Kit Contents
Typical components - may vary by engine configuration
Component
OEM Part Reference
Cylinder Head Gasket Set
OEM Specification
Gear Room Cover Gasket
3177160
Oil Pan Gasket
4906234
Valve Cover Gaskets
OEM Specification
Intake Manifold Gasket Set
OEM Specification
Exhaust Manifold Gasket Set
OEM Specification
Front Crankshaft Oil Seal
OEM Specification
Rear Crankshaft Oil Seal
OEM Specification
Fuel Injector O-Rings
OEM Specification
Turbocharger Gaskets
OEM Specification
Water Pump Gasket
OEM Specification
Thermostat Housing Gasket
OEM Specification
Rocker Cover Gaskets
OEM Specification
Pushrod Cover Gaskets
OEM Specification
Cylinder Liner Seals
OEM Specification
This kit includes all necessary seals, gaskets, and O-rings for a complete engine overhaul. Individual components may vary based on engine build specification, but the kit contains everything required for a full rebuild.
Large generators, industrial pumps, and marine equipment powered by Cum mins K50 diesel engines
Product Features & Engineering Advantages
Complete Engine Overhaul Solution for Large Mining Engines - This comprehensive gasket kit includes every seal and gasket needed for a complete engine rebuild on the 50-liter K50 engine platform. From the cylinder heads to the oil pan, all mating surfaces are covered, eliminating the need to source individual components separately.
OEM-Spec Cylinder Head Gasket - The cylinder head gaskets are manufactured to original equipment specifications, ensuring proper combustion sealing and compression. Designed to withstand the extreme pressures generated by this large-displacement V16 engine.
Precision Gear Room Cover Gasket - Includes the critical gear room cover gasket (OEM 3177160) engineered specifically for K50 engines. This component serves as the primary seal between the engine block and gear room cover, ensuring zero oil leakage under high pressure.
High-Pressure and High-Temperature Performance - Designed to withstand extreme operating conditions with operating pressure up to 20 bar and temperatures up to 150°C. All gaskets maintain sealing integrity under the most demanding mining applications.
Robust Construction with OE-Level Geometry - Manufactured with precision tolerances for perfect alignment with K50 engine blocks. Reinforced bolt holes resist torque without deformation, critical for the high-stress environment of large mining engines.
Tested to Extreme Durability Standards - All gaskets undergo rigorous testing including thermal cycles and pressure cycling to ensure long-term reliability in continuous mining operations.
Complete PT Fuel System Sealing - Includes all necessary seals for the Cum mins PT fuel system. PT injectors operate at high pressures requiring precision sealing for optimum combustion.
Compatible with K50 and K2000E Variants - Suitable for both K50 and K2000E engine variants, including KTA50 and KTTA50 configurations. Works with both naturally aspirated and turbocharged versions.
Quality Assurance
100% Complete - Every gasket and seal required for a full engine overhaul on K50 engines is included in one convenient kit.
OEM Standard - Manufactured to meet or exceed original Cum mins specifications.
Warranty - 6-month warranty against manufacturing defects.
Global Shipping - Fast DHL, FedEx, UPS shipping available from multiple warehouses.
Expert Support - Need help identifying the correct kit for your engine? Send us your engine serial number.
Installation Note
The gear room cover gasket and cylinder head gaskets are critical components that seal the combustion chambers and gear train on K50 engines. When installing a new gasket kit on a Cum mins K50 engine, follow these critical guidelines:
Always verify the correct gasket kit based on engine serial number.
Prepare all mating surfaces thoroughly before installation.
Follow the specific torque sequence in the factory service manual.
Cylinder head bolts must be replaced according to factory specifications - do not reuse old head bolts.
Clean all mating surfaces thoroughly before installation.
Professional installation is recommended due to the precision required.
Warning: Improper installation can lead to coolant leaks, oil leaks, compression loss, and severe engine damage. Always verify proper torque specifications and tightening sequences.
