29552373 Piston, Clutch Allison spare parts

29552373 Piston, Clutch Allison spare parts

The Allison 29552373 Piston Clutch is an original equipment manufacturer (OEM) clutch actuator for Allison transmissions. It is precisely matched to Allison 1000/2000/3000/4000 series heavy-duty automatic transmissions, and is also compatible with commercial vehicles and construction machinery from brands such as Mercedes-Benz, DAF, and Peterbilt that use Allison transmissions. As the core actuator of the transmission clutch system, its main function is to receive pressure commands from the hydraulic system and drive the clutch friction plates to engage or disengage through the reciprocating motion of the piston, thus achieving power transmission and disconnection. It features rapid command response and precise action, effectively avoiding clutch slippage and incomplete disengagement, ensuring smooth gear shifting and efficient power transmission. It is widely used in heavy-load, frequent-shifting scenarios such as long-haul freight, mining operations, urban public transportation, and construction projects. With strong adaptability, stable transmission, and reliable sealing, it is the preferred replacement part for OEM maintenance.

Core technical parameters

–Model: 29552373
– Product Name: Piston, Clutch
Operating temperature: -40°C to +150°C
– Product Specifications: Fully compatible with Allison 29552373 original specifications
– Product weight: 0.4kg
– Product Type: Original factory-grade clutch piston, single-unit assembly, featuring a one-piece precision structure that integrates core components such as the piston body, sealing ring, and guide sleeve.
– Compatible Systems: Allison 1000/2000/3000/4000 series heavy-duty automatic transmissions, also compatible with commercial vehicles and construction machinery from brands such as Mercedes-Benz, DAF, and Peterbilt equipped with Allison transmissions. It is also compatible with the clutch systems of heavy-duty commercial vehicles, mining wide-body trucks, and construction vehicles, and can precisely link with the clutch cylinder, friction plates, and hydraulic control system to achieve smooth clutch engagement and disengagement.
– Suitable operating conditions: Suitable for heavy-duty, frequent gear shifting, and high-load scenarios such as long-distance freight, mining operations, urban public transportation, and engineering construction. It can work stably in harsh environments such as high temperature, high pressure, and frequent reciprocating motion.

Product Advantages

1. Original factory compatibility, easy assembly: 100% matching Allison 29552373 original factory specifications, with precise correspondence in size, sealing groove and installation point. It can directly replace the old clutch piston without modifying the clutch actuator or hydraulic pipeline. Its compatibility covers multiple scenarios such as commercial vehicles and construction machinery.
2. Precise movement and smooth transmission: The precision-machined aluminum alloy body, combined with a high-quality guide sleeve, ensures smooth reciprocating motion without jamming. It responds quickly to hydraulic commands and can precisely control the engagement and disengagement of the clutch, avoiding clutch slippage and incomplete disengagement.
3. Reliable sealing and durable: The fluororubber sealing ring has excellent sealing performance, effectively preventing hydraulic oil leakage and ensuring stable hydraulic pressure; the high-strength aluminum alloy + wear-resistant material is impact-resistant, wear-resistant, and aging-resistant. It has been tested under harsh working conditions and has a long service life, which can effectively extend the piston replacement cycle.

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