Sealing Gasket-6735-61-6411

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Komatsu Engine

Sealing Gasket-6735-61-6411

PRODUCT DESCRIPTION:

Efficient Leak-proof Sealing Precisely fits the mating surfaces of engine components, effectively blocking the leakage of engine oil, coolant and other fluid media. It ensures the pressure and liquid level stability of the engine's lubrication, cooling and air intake/exhaust systems, and avoids engine faults such as power drop and component wear caused by medium leakage.

High & Low Temperature & Pressure Resistance Adapts to the high-temperature and high-pressure working environment of the S6D102E engine, maintaining stable sealing performance under extreme temperature and pressure fluctuations. It effectively prevents sealing failure caused by thermal expansion and contraction of engine components and system pressure changes.

Dust & Corrosion ProtectionI solates external dust, sediment and other impurities from entering the engine's internal sealing parts, avoiding abrasive damage to precision components; resists the corrosion of oil, coolant and exhaust gas on the gasket and surrounding metal parts, extending the service life of related engine components.

Vibration Buffering & Gap Compensation Utilizes the excellent elasticity of rubber materials to buffer the strong vibration generated during engine operation, reducing the looseness of sealing joints caused by mechanical vibration; automatically compensates the micro gaps of mating surfaces caused by machining, assembly errors and thermal expansion, maintaining long-term reliable sealing effect.

Sealing Consistency Maintenance The integral molding structure ensures uniform elasticity of the whole gasket surface, and the sealing lip is closely attached to the mating surface without dead angles, realizing full-surface effective sealing and avoiding local leakage of the sealing position.

PRODUCT DETAILS

Product Advantages

OEM Standard Precision Adaptation:Produced in strict accordance with Komatsu S6D102E engine's original factory drawings and tolerance standards, the overall size, sealing lip shape and installation holes are highly matched with the component mating surfaces. No secondary processing is required for installation, reducing assembly difficulty and adaptation risk.

Reinforced Structure for High Stability:The key stress parts adopt metal skeleton reinforcement design, which effectively prevents the gasket from deformation, extrusion damage and aging cracking under long-term high-temperature and high-pressure working conditions, and improves the overall structural stability and service life of the gasket.

High-quality Material for Durability:Selected high-purity NBR with excellent oil resistance, wear resistance and anti-aging performance, suitable for conventional working conditions of engineering machinery; the optional FKM version is specially optimized for high-temperature and strong corrosion working conditions, with a service life extended by more than 35% compared with ordinary gaskets.

Strong Adaptability to Harsh Working Conditions:Passed professional performance tests such as dust resistance, continuous vibration, temperature cycle and medium corrosion. The sealing performance remains stable in harsh working environments such as construction sites, mines and field operations, fully adapting to the high-intensity and continuous operation requirements of engineering machinery.

High Cost Performance & Easy Replacement:The product performance is close to the original Komatsu accessories with a more favorable procurement price; the compact and lightweight structure is easy to install and disassemble, no special tools are needed, which shortens the maintenance and replacement time, reduces downtime loss and lowers the overall operation and maintenance cost of users.


Installation & Maintenance Tips

1.Clean the sealing mating surface and installation position before installation, remove oil stains, rust, residual glue and old gasket residues, and ensure the surface is flat and free of obvious scratches, dents and burrs.

2.Avoid twisting, folding and scratching the gasket during installation; install it in the correct direction according to the marking (if any), and ensure the installation holes are aligned with the component holes without deviation.

3.Apply a small amount of clean engine oil on the sealing lip for auxiliary installation to ensure the gasket is completely attached to the mating surface without gaps; fasten the fixing bolts according to the specified torque and diagonal sequence in the engine manual to avoid uneven stress and gasket damage.

4.Do not reuse the old gasket after disassembly, as the rubber layer will lose elasticity and cause sealing failure; replace it with a new one in time during engine maintenance and overhaul.

5.Regularly check the sealing status of the gasket, and replace it in time if aging, cracking, deformation, delamination or medium leakage is found at the sealing position to avoid the expansion of engine faults.

SPECIFICATION

Item

Details

Product Model

6735-61-6411

Product Name

Sealing Gasket

Applicable Model

Komatsu engine S6D102E, suitable for Komatsu PC200-6/7, PC220-6/7 and other excavators, loaders and engineering machinery

Applicable Parts

Key sealing positions of the engine such as valve chamber cover, water pump, oil pan, intake and exhaust manifold interfaces

Product Material

High-purity Nitrile Butadiene Rubber (NBR) with metal skeleton reinforcement; High-performance version optional: Fluororubber (FKM) for extreme high-temperature and corrosion working conditions


Parameter Category

Parameter Value

Size Specification

Precisely processed according to Komatsu original factory drawings, overall size, sealing lip size and installation hole position are fully matched with the mating surface

Material Performance

NBR: Hardness 70±5 Shore A, oil resistance volume change rate ≤10%, tensile strength ≥18MPaFKM: Hardness 75±5 Shore A, oil resistance volume change rate ≤5%, tensile strength ≥20MPa

Operating Temperature

NBR version: -40℃ ~ 120℃FKM version: -20℃ ~ 200℃

Operating Pressure

≤1.8MPa (suitable for the conventional working pressure of S6D102E engine's lubrication, cooling and intake/exhaust systems)

Applicable Medium

Engine oil, coolant, diesel oil, exhaust gas and other common media of Komatsu S6D102E engine

Service Life

≥6000 hours under normal working conditions (FKM version ≥8000 hours)


INQUIRE IMMEDIATELY

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