Clutch Pressure Plate Assembly OE WG9114160030 For Sinotruk HOWO Heavy Truck

The OE part number is WG9114160030. This clutch pressure plate assembly is exclusively engineered for Sinotruk HOWO heavy-duty trucks, serving as the core pressure-bearing component of the vehicle clutch system. It adopts integrated high-strength ductile iron casting and precision CNC finishing, fully matching the original engine flywheel and clutch housing assembly outline. It provides stable and uniform clamping force for the clutch disc, realizing smooth power transmission between engine and gearbox. It effectively solves common clutch faults such as slipping during acceleration, difficult gear shifting, abnormal shaking and weak power output caused by spring fatigue, pressure surface wear and deformation of old pressure plates. Equipped with heat-resistant diaphragm springs and factory-calibrated mounting hole positions, it delivers consistent elastic pressure without attenuation under long-term heavy-load operation. Matched with original positioning bolts and limit brackets, it supports direct plug-and-play installation with tight fit and no offset during operation.

① Applicable vehicle models Applicable to all Sinotruk HOWO series heavy trucks, including logistics tractors, bulk cargo transport vehicles and engineering dump trucks. It perfectly matches models equipped with MAN MC series diesel engines and standard manual/AMT gearboxes of the same platform, compatible with both standard and modified HOWO vehicles. ② Adaptation System It precisely fits the original engine flywheel assembly, clutch housing and transmission input shaft system. Fixed by factory reserved standard mounting holes without drilling, cutting or any modification to the vehicle structure; no extra adaptive adjustment is required, enabling direct installation and immediate use after replacement. ③ Original Factory Reference Number Corresponding OE Number: WG9114160030. All products are strictly manufactured in accordance with original factory drawing data and mold standards, achieving full dimensional consistency and 100% accurate interchangeability with genuine OEM clutch pressure plates. ④ Interchangeability Produced fully complying with OEM dimensional and performance criteria. Core parameters including pressure plate outer diameter, diaphragm spring elastic coefficient, mounting hole spacing, overall thickness and clamping force are completely consistent with original spare parts. It can directly replace the factory clutch pressure plate assembly, greatly shortening on-site maintenance debugging time and cutting labor service costs. ⑤ Additional Services We provide professional compatibility verification based on customers' HOWO vehicle year, engine horsepower and gearbox configuration. Meanwhile, detailed disassembly & assembly operation guidance and complete supporting bolt accessory lists are available. Our technical team offers full-process installation support to avoid gear slipping, incomplete clutch separation, abnormal vibration and premature wear faults triggered by mismatched spare parts or non-standard installation.

The pressure plate body adopts high-strength ductile cast iron with excellent compressive resistance, torsion resistance and heat resistance, capable of enduring high-temperature friction heat generated during frequent clutch engagement and disengagement. The integrated diaphragm springs are made of high-carbon alloy spring steel after multiple tempering treatments, featuring stable elasticity, anti-fatigue performance and no permanent deformation under long-term heavy-load compression. The friction working surface is reinforced with high-frequency quenching, with high surface hardness and outstanding wear resistance to reduce abrasion from long-term friction against clutch disc. Built-in positioning support lugs adopt thickened reinforcement design to resist cracking and loosening under bumpy road vibration, balancing stable clamping performance and long service durability. The whole unit has excellent heat dissipation performance, adapting to high-temperature working environments of heavy trucks under full-load climbing and long-distance transportation.

The outer shell surface of the clutch pressure plate adopts electrophoretic anti-rust anti-corrosion coating treatment, effectively isolating erosion from rain, mud, dust and road corrosive substances to prevent long-term oxidation and rust. The friction working surface is precision ground to form a flat smooth plane without burrs, ensuring uniform contact with clutch disc and avoiding local overheating and partial slipping. The mounting hole inner walls are precision reamed with smooth inner surfaces to guarantee uniform bolt locking force and prevent thread sliding during installation. Diaphragm spring surfaces are treated with anti-oxidation oil coating to avoid spring rusting and elastic attenuation caused by moisture erosion.

Integrated casting, precision turning and spring assembly are completed by advanced fully automatic CNC production equipment. Core processing procedures are finished in a constant-temperature dust-free workshop to eliminate internal casting stress of the workpiece and avoid later deformation during vehicle operation. Key indicators such as pressure plate flatness, spring elastic uniformity, mounting hole position tolerance and integral clamping force are inspected piece by piece with professional precision testing equipment, ensuring zero-error matching with original HOWO clutch assemblies without secondary trimming. All finished products pass 100% full inspection before delivery, covering appearance defect detection, clamping force calibration, high-low temperature heat cycle test and long-time fatigue durability test. Each batch of goods is screened per OEM standards to fully meet heavy-load power transmission and long-service-life requirements of HOWO heavy truck clutch systems.

Equipped with professional ductile iron casting production lines and complete clutch performance testing equipment, we own mature standardized stable production processes. With sufficient monthly output and abundant finished product stock, we can fully support batch wholesale, spot delivery and global export orders. We also provide customized services including OEM part number marking, neutral export packaging and special surface process treatment, as well as sample trial production. We fully satisfy personalized procurement and matching demands of global auto parts distributors, repair shops and fleet purchasers.

Q: Compared with ordinary aftermarket clutch pressure plates, what core advantages does this WG9114160030 pressure plate have?A: It is manufactured strictly following OEM standards with stable uniform clamping force, heat-resistant reinforced friction surface and high anti-fatigue alloy diaphragm springs. It adapts to frequent clutch operation and full-load heavy-duty driving of HOWO heavy trucks, effectively avoiding clutch slipping, incomplete separation, spring breakage and premature pressure plate wear, providing long-term stable power transmission protection for the vehicle clutch system.Q: Is the product quality reliable? What is its service life?A: All products are produced in accordance with original factory technical specifications and pass multiple rounds of professional performance fatigue tests. Under standard normal driving and maintenance conditions, its service life reaches 3-5 years. It is specially customized for harsh working scenarios of heavy trucks, engineering vehicles and long-distance logistics transportation, with stable quality and outstanding cost performance.Q: What practical benefits can replacement with this clutch pressure plate bring?A: It completely restores the original stable power transmission performance of the vehicle clutch, solves typical faults including acceleration slipping, slow gear shifting, transmission power loss and clutch abnormal shaking. It ensures complete separation and tight combination of clutch during daily driving, improves vehicle driving smoothness and transportation safety, and avoids frequent repeated maintenance and high replacement costs caused by clutch system failure, effectively reducing overall vehicle operation and maintenance expenses.

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