Genuine Sinotruk Release Bearing D430 AZ992116003001 – Unmatched Smooth Clutch Engagement & Unstoppable Durability

Engineering Excellence Behind the D430 AZ992116003001 Release Bearing

The D430 AZ992116003001 release bearing is a precision‑engineered component that translates clutch pedal movement into axial force, disengaging the clutch plate from the flywheel. Its angular‑contact ball bearing design is optimised to handle the combined radial and thrust loads generated during clutch operation, while the integrated self‑centring mechanism ensures consistent contact with the diaphragm spring fingers.

In a typical Howo or Sinotruk heavy‑duty truck, the release bearing operates in a harsh environment — high temperatures from the engine and clutch, exposure to clutch dust and oil mist, and continuous cycling during stop‑and‑go driving. The D430 AZ992116003001 is constructed with premium bearing steel, hardened and tempered to achieve a surface hardness of 62‑66 HRC, and features a high‑temperature grease that remains stable up to 160°C.

Nigerian operators often face extreme traffic conditions and heavy loads that can accelerate release bearing wear. The D430 AZ992116003001 is tested to withstand over 2 million actuation cycles without significant wear, and its double‑sealed design effectively excludes abrasive particles, extending service intervals and reducing the risk of clutch failure. Its precision‑ground internal geometry ensures smooth, noise‑free operation, contributing to driver comfort and reduced fatigue.

Technical Specifications – Release Bearing D430 AZ992116003001

Parameter	Specification
OEM Part Number	D430 AZ992116003001
Product Name	Release Bearing (clutch throw‑out bearing)
Brand	Sinotruk (Genuine OEM)
Type	Angular‑contact ball bearing, self‑centring
Bore Diameter (d)	38 mm
Outer Diameter (D)	65 mm
Width (B)	18 mm
Static Load Rating	≥ 45 kN
Dynamic Load Rating	≥ 35 kN
Grease Type	High‑temp lithium complex, –30°C to +160°C
Seal Type	Double contact seals (integrated)
Material	52100 bearing steel, hardened to 62‑66 HRC
Weight	0.42 kg
Compatible Clutches	Sinotruk D430 / Howo heavy‑duty diaphragm clutches
Replacement Interval	Inspect at every clutch service; replace if noisy, rough, or worn

Why the Genuine Sinotruk D430 AZ992116003001 Outperforms Aftermarket Bearings

Aftermarket release bearings often use lower‑grade steel, insufficient lubrication, and inadequate sealing that lead to premature failure, noise, and clutch drag. The D430 AZ992116003001, by contrast, is manufactured with precision‑honed raceways and balls, ensuring consistent running accuracy and minimal axial play. Its high‑temperature grease is specifically formulated to withstand the thermal extremes of heavy‑duty clutch applications, maintaining its lubricating properties over the bearing’s service life.

Additionally, the D430 AZ992116003001 features a self‑aligning housing that accommodates minor misalignments between the clutch fork and the diaphragm spring, reducing stress on the bearing and the clutch components. Its double‑lip seals effectively retain grease and block out dust, water, and clutch‑facing particles, which are common causes of premature wear in Nigerian operating conditions. By choosing the genuine Sinotruk D430 AZ992116003001, you ensure smooth clutch operation, reduced pedal effort, and extended clutch life.

Superior Materials for Extreme Conditions

The bearing steel used in the D430 AZ992116003001 is vacuum‑degassed and processed to minimise inclusions, resulting in a microstructure that resists rolling contact fatigue. The heat‑treatment process is carefully controlled to achieve an optimal balance of hardness and toughness, preventing brittle fracture while maintaining wear resistance. These material advantages ensure that the release bearing maintains its precision and performance over hundreds of thousands of kilometres.

Easy Identification and Fitment

The D430 AZ992116003001 is clearly marked with the Sinotruk logo and part number, making it easy to verify authenticity. Its dimensions match the original equipment exactly, so you can install it without modifications. The bearing comes pre‑greased and ready to install, saving time and ensuring consistent lubrication.

Explore the full catalogue of genuine Howo Parts available for your fleet, including clutch kits, release bearings, and transmission components. The D430 AZ992116003001 release bearing is a vital part of that ecosystem — and with Sinotruk’s original quality, you ensure smooth gear changes and reliable clutch performance for your truck.

Installation Best Practices for the D430 AZ992116003001 Release Bearing

Replacing the release bearing should be performed with the gearbox removed and the clutch exposed. Clean the clutch fork and the input shaft housing thoroughly, then install the new D430 AZ992116003001 bearing onto the clutch fork pivot, ensuring that the retaining clips are fully engaged. Lubricate the fork contact points with a high‑temperature grease, and check that the bearing slides freely on the transmission input shaft sleeve.

When reassembling, ensure that the clutch fork and release bearing are correctly aligned with the diaphragm spring fingers. After installation, test the clutch pedal feel and check for any abnormal noise. For Nigerian workshops, keeping a D430 AZ992116003001 in stock ensures that you can quickly address release bearing failures, minimising downtime and preventing secondary damage to the clutch and pressure plate.

Built for Nigeria – Smooth Clutch Operation in Demanding Conditions

Nigeria’s heavy traffic and varied terrain place immense stress on the clutch system, with frequent gear changes and high‑load starts. The D430 AZ992116003001 release bearing is engineered to withstand these demands, with its robust design, high‑temperature lubrication, and effective sealing that ensures consistent performance throughout its service life.

Moreover, the D430 AZ992116003001 is compatible with the full range of Sinotruk and Howo D430 clutch systems used in Nigeria, making it a versatile replacement part for mixed fleets. By choosing genuine Sinotruk release bearings, you reduce the risk of clutch‑related breakdowns, improve driver comfort, and lower overall maintenance costs.

Enhance Your Clutch Performance with the Genuine D430 AZ992116003001

The D430 AZ992116003001 release bearing is a critical component that directly affects clutch engagement, pedal feel, and drivability. Its superior materials, precision engineering, and exact OEM fitment make it the only choice for professional fleet maintenance. By installing a genuine Sinotruk D430 AZ992116003001, you ensure that your clutch operates smoothly and reliably, reducing driver fatigue and extending the life of your clutch components.

Never compromise on clutch release quality with inferior aftermarket bearings that can lead to premature wear, noise, or clutch failure. Insist on the genuine D430 AZ992116003001 — the release bearing trusted by Nigeria’s leading fleet operators and workshops. With its proven durability and uncompromising quality, this component delivers the smooth engagement and reliability that keep your business moving forward.

Genuine Sinotruk D430 AZ992116003001 – Smoothness, strength, and reliability for every gear change.

Packaging & Shipping

Every Howo part is carefully packaged and shipped to ensure it arrives in perfect condition, ready for installation. Our professional logistics process guarantees timely delivery across Nigeria.

Secure Packaging

Each Howo part is individually wrapped in protective materials and placed in reinforced cardboard boxes to prevent damage during transit.

Dedicated Transport

We use our own Sinotruk logistics fleet for reliable delivery, ensuring parts reach customers quickly and safely across all regions of Nigeria.

Quality Inspection

Before shipping, each part undergoes final quality checks and is clearly labeled with its OEM number for easy identification.

Nationwide Distribution

Our extensive distribution network covers all major cities and rural areas in Nigeria, ensuring prompt delivery to construction sites, workshops, and businesses.

Shipping Information for Nigerian Customers

• Standard Delivery: 3-5 business days to major cities (Lagos, Abuja, Port Harcourt, Kano)

• Express Delivery: 1-2 business days available for urgent orders

• Regional Coverage: We deliver to all 36 states including remote areas

• Tracking: All shipments include real-time tracking information

Upgrade Your Sinotruk Truck Today with Howo parts!

Experience the difference with our premium quality parts. Designed for Nigeria’s unique challenges, they deliver unmatched performance, safety, and cost savings. Join countless satisfied customers who trust Sinotruk for their truck parts needs.

For more information on our product range, explore our catalog of reliable components. Howo parts are just one example of our dedication to excellence in the automotive sector.

Contact Us Now

Thank you for considering our products. We look forward to supporting your journey on Nigeria’s roads with quality and innovation.