130903000088A004 Seat Cushion Assembly Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

130903000088A004 Seat Cushion Assembly Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

This product is an original factory-customized core safety and comfort accessory for the cab, compatible with various engineering machinery cab seats. Its core function is to provide stable load-bearing and shock-absorbing support for the driver’s buttocks. The ergonomic design relieves buttock fatigue during long-term operation, and has good shock absorption and anti-slip performance. It fixes the body and reduces slippage during bumpy operations, ensuring driving safety. It is suitable for long-term operation in mines and construction sites, improving driving comfort and safety, and complies with relevant regulations.
This product is precisely matched to the cab seats of Sany, XCMG, Caterpillar and other series of construction machinery. It is compatible with the 130903000088A003 backrest assembly, 130903000088A001 headrest assembly, and 130903000088A002 headrest guide sleeve assembly. It adopts an integrated process of frame stamping, cold curing foaming and surface covering. It is compatible with the original factory installation position, quick installation without adjustment, withstands harsh working conditions, and is firmly installed without loosening, ensuring the overall stable operation of the seat.

【Core Technical Parameters】

– Product Model: 130903000088A004
– Product Type: Seat Cushion Assembly (Original Equipment Manufacturer, Core Load-Bearing Component for Construction Machinery Cab Seats)
– Compatible Models: Cabs for Sany, XCMG, Caterpillar, and other series of construction machinery; compatible with loaders, excavators, bulldozers, etc.; compatible with 130903000088A003 backrest assembly, 130903000088A001 headrest assembly, and 130903000088A002 headrest guide sleeve assembly; can directly replace original factory parts.
– Material: The internal frame is made of high-strength stamped steel plate, the cushioning layer is made of high-resilience shock-absorbing cold-blown sponge, and the outer skin is made of wear-resistant and flame-retardant imitation leather (composite fabric optional). It undergoes stamping, foaming, and coating processes. The steel plate has a tensile strength ≥480MPa, the sponge density is 40-60kg/m³, and the outer skin has a flame-retardant rating of UL94-V0. It is sturdy, easy to clean, and tear-resistant.
– Operating temperature range: -30°C to +80°C (Stable performance under extreme temperatures, no brittle cracking, aging or deformation, normal sponge rebound, no fading of the surface, and good shock absorption performance)
– Structural Specifications: One-piece seat cushion, including stamped steel plate frame, shock-absorbing sponge cushioning layer, surface covering, anti-slip texture and fixing buckle, built-in shock-absorbing pad, conforms to the curve of the human buttocks, conforms to ergonomics, and has the functions of load-bearing, shock absorption and anti-slip.
– Dimensions: Precisely fits the original factory seats; the seat cushion’s length, width, and thickness conform to the workstation; matches the backrest, headrest, and guide sleeve assembly; dimensional tolerances are IT7-IT8 grade; installation gap ≤0.2mm; width approximately 480mm, length approximately 420mm, thickness approximately 80mm.
– Installation method: Bolt + clip fixing, compatible with original hole positions. Clean the hole positions before installation, and tighten the connection. No professional tools are required. After installation, it is stable and does not shake or move easily.
– Protective performance: Waterproof, dustproof, and oil-resistant; surface is stain-resistant and easy to clean; salt spray resistance ≥480 hours; wear-resistant, aging-resistant, and UV-resistant; frame is corrosion-resistant and rust-resistant; sponge is not prone to collapse; can withstand dusty and oily working conditions.
– Service life: ≥4 years under normal working conditions, ≥2 years under harsh working conditions, no failure after 20,000 load tests, no wear and deformation, sponge rebound rate ≥78%, surface wear resistance ≥6,000 times, extending the overall life of the seat.

Whether in bumpy environments, dusty mines, or extreme temperatures, this product consistently delivers stable load-bearing and shock absorption, alleviating hip fatigue, ensuring driving safety and comfort, and reducing maintenance costs. Original factory compatible, each item has a unique code for traceability, and it perfectly matches corresponding backrests, headrests, and guide sleeve assemblies. It is a high-quality original part for seat system repair and replacement, and for bulk stocking.

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1 130903000088A001 Headrest Assembly
2 130903000088A002 Headrest guide sleeve assembly
3 130903000088A003 Backrest Assembly
4 130903000088A004 Seat Cushion Assembly
5 130903000088A005 Right armrest assembly
6 130903000088A006 Left armrest assembly
7 130903000088A007 Slide rail assembly
8 130903000088A008 Air Suspension Damping Assembly
9 130903000088A009 Air Spring
10 130903000088A010 Seatbelt Assembly

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