29540469 Sealing and Gasket Package Allison spare parts

29540469 Sealing and Gasket Package Allison spare parts

This kit comprehensively covers all core sealing points of the transmission valve body assembly, clutch end cover, oil pan, input/output shaft, oil pump interface, solenoid valve base, and pipeline connectors. It precisely addresses industry pain points such as “model mismatch, missing specifications, and incompatible sealing performance” during maintenance, significantly shortening overhaul preparation time and reducing the risk of secondary disassembly due to incompatible seals. All parts undergo precision molding, high-temperature curing, and burr-free edge treatment. Key gaskets are pre-coated with a dry sealing coating, eliminating the need for additional sealant after installation and achieving long-lasting sealing. It is suitable for the complex working environment of transmissions with high-frequency vibration, high temperature and pressure, and high oil content, avoiding potential faults such as hydraulic oil leakage and component wear caused by seal failure. It is like a “comprehensive protection kit” for the transmission sealing system, providing all-round protection for transmission sealing performance. It is compatible with multiple heavy-duty transmissions in the Allison 3000/4000 series, meeting the core requirements of “convenience, efficiency, and reliability” in modern heavy equipment overhaul.

Core technical parameters:

– Product Model: 29540469
– Material specifications: Fluororubber (FKM) shaft seal, 304 stainless steel + flexible graphite gasket, nitrile rubber (NBR) O-ring, combination gasket
– Operating temperature: -40℃~280℃
– Sealing performance: Static leakage rate ≤0.002%, dynamic shaft seal wear life ≥8000 hours, sealing test pressure ≥4.0MPa
– Kit Specifications: The complete kit includes 6 shaft seals, 10 stainless steel graphite gaskets, 32 O-rings, 8 combination washers, and 5 special-shaped seals (including locating pin sealing sleeves).
– Mechanical properties: Seal tensile strength ≥15MPa, elongation at break ≥300%; gasket compressive strength ≥20MPa, shear strength ≥3.8MPa
– Compatible Models/Scenarios: Core compatibility with Allison 3000 series (3000HS/3200HS) and 4000 series (4000HS/4500HS) heavy-duty automatic transmissions, widely used in heavy-duty equipment such as heavy trucks, construction machinery, mining equipment, and port equipment. It is compatible with various sealing parts such as transmission valve bodies, end covers, oil pans, and pipeline interfaces, and can be directly used for transmission overhauls and routine maintenance, meeting the needs of complete replacement of the sealing system, and is suitable for heavy-duty and complex operating scenarios.
– Service life: Under normal heavy-load conditions, the service life of seals is ≥8000 hours, and the service life of gaskets is ≥10000 hours.

The 29540469 seal and gasket kit, with its original factory precision matching, scenario-specific material optimization, and ultra-high sealing performance, has become the core preferred kit for professional repair shops, transmission overhaul centers, and heavy equipment after-sales stations. We strictly control the production process; each kit undergoes full dimensional accuracy inspection, random sealing performance testing, and oil compatibility testing to ensure compliance with original factory standards, GB/T 19066.3-2009, GB/T 5763-2018, SAE J2228 standards, and industrial usage requirements. We also provide comprehensive after-sales support and standardized zoned packaging (categorized by sealing component), along with installation diagrams, to solve various problems customers encounter during procurement and use, simplify maintenance processes, and contribute to the reliable operation and efficient maintenance of heavy equipment transmissions.

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