29546157 Sealing ring Allison spare parts

29546157 Sealing ring Allison spare parts

Allison 29546157 is a genuine Allison transmission seal, precisely compatible with Allison 1000/2000/3000/4000 series heavy-duty automatic transmissions. It is also compatible with the sealing interfaces of transmissions from brands such as Mercedes-Benz, DAF, and Peterbilt. As a core sealing component of the transmission’s hydraulic system and component interfaces, its primary function is to seal the oil, block dust and moisture, and prevent oil leakage, impurities from causing valve core jamming, component corrosion, signal distortion, and other malfunctions. Widely used in heavy-duty scenarios such as long-haul freight, mining operations, urban public transportation, and construction projects, it boasts strong adaptability and a tight seal, making it the preferred replacement for genuine Allison maintenance and repair. It perfectly meets the sealing interface requirements of various heavy-duty transmissions, showcasing the high-quality advantages of Allison genuine parts.

Core technical parameters

-Model: 29546157
– Product dimensions: Fully matches original factory seal specifications, with precise inner diameter, wire diameter, and outer diameter, perfectly fitting the dimensions of the gearbox sealing grooves.
– Operating temperature: -40°C to +200°C
– Sealing performance: Static sealing working pressure up to 40MPa (without retaining ring), dynamic sealing up to 30MPa (with retaining ring).
– Product weight: 0.05kg
– Compatible Systems: Allison 1000/2000/3000/4000 series heavy-duty automatic transmissions, also compatible with various sealing points such as hydraulic interfaces, valve core interfaces, and housing interfaces of transmissions from brands such as Mercedes-Benz, DAF, and Peterbilt, adapting to high-pressure sealing scenarios in transmissions.
– Product type: O-ring (fits to original factory standard grooves, interchangeable with standard O-rings)
– Core material: Made of high-quality fluororubber (FKM/VITON)

Product Advantages

1. Original factory fit, wide compatibility: 100% matched to Allison transmission original factory specifications, with precise correspondence in inner diameter, wire diameter, and sealing parameters. It can directly replace old parts without modifying the sealing groove or installation structure. At the same time, it can be cross-substituted for corresponding sealing rings of various brands and models of transmissions. Its compatibility covers multiple scenarios such as commercial vehicles and construction machinery. Its compatibility is better than ordinary universal sealing rings, perfectly meeting the high-pressure sealing requirements of transmissions.
2. Precision sealing and accurate protection: Made of high-quality fluororubber and manufactured through precision molding process, the sealing lip is smooth and flat, fits tightly, meets the sealing pressure standard, and has extremely low leakage. It can effectively prevent oil leakage, water vapor and dust intrusion, avoid valve core jamming, component corrosion and other failures. At the same time, it has excellent resistance to compression deformation and is not easy to twist during reciprocating motion. It provides all-round sealing protection for the precision components inside the gearbox and meets the sealing requirements of heavy gearboxes.
3. Durable, stable and reliable: The fluororubber material is oil-resistant, high-temperature resistant, corrosion-resistant and aging-resistant. It has been verified under heavy-load cyclic conditions, has a long service life and excellent impact resistance, which can effectively extend the replacement cycle of the seal ring, reduce equipment maintenance costs, and is suitable for heavy-load and high-frequency use scenarios such as mining and long-distance freight. It can still maintain stable sealing performance for a long time in complex temperature and media environments, avoiding gearbox failure caused by seal failure.

Get a personalized quote now