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1325 402 044
ZF

OE Part No.: 1325 402 044 (1325402044)
Brand: ZF (ZF Ecosplit4 series)
Product Type: Transmission Oil Pump Housing / Oil Pump Cover
Compatible Gearbox: ZF16S2530, ZF16S2531 16-speed heavy-duty manual transmission (Ecosplit4)
Material: Precision cast aluminum alloy
Product Weight: approx 5.5kg (reference value)
Function: Oil pump structural housing, mounting base, oil channel layout, sealing and positioning for gearbox lubrication oil pump
Applicable Vehicles: Heavy-duty long-haul tractor trucks fitted with ZF 16-speed Ecosplit4 gearboxes
Category: ZF 16-Speed Heavy Truck Gearbox Lubrication System Spare Parts
Material & Advantages
Precision cast aluminum alloy structure, good rigidity, vibration resistance and heat dissipation, adapting to heavy-duty road conditions
Integrated mounting holes and oil passage structure matching original oil pump assembly, ensuring correct installation position and oil flow direction
Standard OEM dimensions, direct fit replacement for 16S series gearbox overhaul
Prevent oil pump deformation, abnormal noise, oil leakage and unstable lubrication pressure, protect gearbox internal components
Matches original ZF 16-speed gearbox lubrication system layout, maintains normal oil supply
Application
Replace when housing is cracked, deformed, has damaged mounting holes, persistent oil leakage or abnormal pump noise
Reinstall oil pump rotor, bearings and seals correctly during assembly, use new gaskets
Torque bolts evenly to avoid housing distortion, check oil pressure after assembly
Test full gear range operation, confirm no leakage and normal lubrication pressure
Avoid over-tightening bolts and long-term operation with insufficient lubrication


Gearboxes assembly include brand ZF, Eaton, FAST, Allison, DONGFENG, DC, Benz, volvo, HOWO, WLY etc. Gearboxes parts includegear, synchronizer, PTO, housing, bearings, shaft, top cover, sensors, wireness, repair kits... etc.
Our products have been exported to more than 50 countries and regions such as Korea, Chile, Russia, Kazakhstan, USA, Ecuador, Turkey, Iran, Africa, Latin America, etc., and have been unanimously recognized by customers.
In the future, we will be committed to creating higher-end quality and more intimate service. And a more comfortable customer experience to build Yongliwei company into an auto parts supplier with excellent corporate culture, scientific development concept and continuous innovation ability.

Shiyan Yongliwei Industry and Trading Co., Ltd. is a modern enterprise integrating design, development, production and sales of gearbox assembly and gearbox parts.
Our company was founded in Hubei province, China, and has been specialized the truck gearboxes in Chinese offline market for 21 years .Our parts are the leader of gearboxes area in the China now.
Our company was set up in the largest truck parts production base in the world –Shiyan city, Hubei, China, to meet the demand for products in the Asia and South American markets, a professional international trade sales team was born in Hubei in 2021.
Shiyan Yongliwei is focusing on creating high quality, high technology and high standard gearboxes and its parts.

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