Genuine Sinotruk Front Engine Mounts AZ9770591001 – Unshakeable Support & Uncompromised Vibration Damping

Engineering Excellence Behind the AZ9770591001 Front Engine Mounts

The AZ9770591001 front engine mounts are precision‑engineered to perform two critical functions: supporting the weight of the engine (up to 600 kg) and attenuating the vibrations generated by the rotating and reciprocating masses. Their elastomeric element is formulated with a specific durometer (60‑65 Shore A) to provide the optimum balance between stiffness for precise engine positioning and flexibility for effective noise, vibration, and harshness (NVH) reduction.

In a typical Howo or Sinotruk truck, the front engine mounts are subjected to high temperatures from exhaust manifold proximity, oil mist, and road splash. The AZ9770591001 is constructed using heat‑resistant compounds that maintain their damping properties even at sustained temperatures up to 120°C. The steel core is zinc‑plated to resist corrosion, and the rubber‑to‑metal bond is created through a controlled vulcanisation process that ensures maximum adhesion and fatigue resistance.

Nigerian operators often encounter rough roads that can cause engine movement and misalignment. The AZ9770591001 mounts are designed to limit engine displacement to within 5‑6 mm under the most severe shock loads, preventing the fan from contacting the radiator shroud and protecting exhaust and intake connections from fracture. Their precise geometry also maintains the correct engine angle, ensuring that the driveline operates within its design parameters, reducing universal joint wear and minimising clutch and transmission stress.

Technical Specifications – Front Engine Mounts AZ9770591001

Parameter	Specification
OEM Part Number	AZ9770591001
Product Name	Front engine mount (set of two)
Brand	Sinotruk (Genuine OEM)
Material	Natural rubber / synthetic blend, steel core
Hardness (Shore A)	62 ± 3
Static Load Capacity	≥ 800 kg (per mount)
Dynamic Spring Rate	1200 – 1500 N/mm
Deflection at Max Load	5.5 mm (nominal)
Operating Temperature	-40°C to +120°C
Resistance	Oil, ozone, and heat resistant compound
Bonding	Vulcanised metal‑to‑rubber bond
Mounting Type	Two‑bolt flange (M12) to chassis; M16 stud to engine
Weight (per pair)	2.8 kg
Compatible Models	Howo A7, T7, C7H; Sinotruk WP10, WP12, MC11 engines
Replacement Interval	Inspect every 80,000 km; replace if cracked, sagged, or oil‑soaked

Why the Genuine Sinotruk AZ9770591001 Outperforms Aftermarket Mounts

Aftermarket engine mounts often use lower‑quality rubber compounds that harden, crack, or collapse under high heat and oil exposure. The AZ9770591001, by contrast, is manufactured with a proprietary elastomer formulation that resists compression set and maintains its damping efficiency for the life of the vehicle. Its steel core is precision‑stamped and coated to prevent corrosion, ensuring that the mount remains securely fastened even in the harsh Nigerian climate.

Additionally, the AZ9770591001 is designed to match the exact height and durometer of the original equipment, ensuring that the engine remains at the correct ride height and alignment. This prevents premature wear of the cooling fan, belts, and exhaust system joints, which are common failure points when incorrect mounts are fitted. By choosing the genuine Sinotruk AZ9770591001, you eliminate the risks associated with substandard mounts and ensure that your engine is supported and isolated as the manufacturer intended.

Superior Material Science for Nigerian Operating Conditions

The rubber compound used in the AZ9770591001 is formulated with anti‑oxidants and anti‑ozonants that protect against the aggressive effects of high ambient temperatures, UV radiation, and chemical attack from oil and diesel spills. Its resistance to compression set ensures that the mount does not sag over time, maintaining its designed height and load‑carrying capacity — particularly important for trucks that often operate at or near maximum gross vehicle weight.

Perfect Fit for Howo and Sinotruk Engines

The AZ9770591001 is designed as a direct replacement for the original front engine mount on a wide range of Sinotruk and Howo models, including those fitted with WP10, WP12, and MC11 engine variants. Its bolt pattern and overall dimensions match OEM specifications exactly, so you can install it without modifications. Each mount comes with the correct fasteners and is clearly marked with the Sinotruk part number for easy identification.

Explore the full catalogue of genuine Howo Parts available for your fleet, including engine mounts, transmission supports, and driveline components. The AZ9770591001 front engine mounts are a vital part of that ecosystem — and with Sinotruk’s original quality, you ensure stable engine support and a quieter, more comfortable cab environment.

Installation Best Practices for the AZ9770591001 Engine Mounts

Replacing front engine mounts should be performed by a qualified mechanic. Begin by securely supporting the engine using a suitable jack and block. Remove the old mounts, clean the chassis and engine mounting surfaces thoroughly, and inspect the bolts for wear or thread damage. Install the new AZ9770591001 mounts, aligning the locating pins, and torque the fasteners to the manufacturer’s specification (typically 120‑140 N·m for M12 bolts, 180‑200 N·m for M16).

After installation, lower the engine carefully and check that the mounts are not twisted or pre‑loaded. Verify that the engine sits level and that all ancillaries (fan, hoses, wiring) have adequate clearance. For Nigerian workshops, keeping a set of AZ9770591001 mounts in stock allows you to address worn or failed mounts quickly, preventing secondary damage to the radiator, fan shroud, and exhaust system.

Built for Nigeria – Unwavering Engine Support in Extreme Conditions

Nigeria’s transport sector operates in one of the most challenging environments on the continent, with high ambient temperatures, rough roads, and heavy traffic that place immense stress on engine mounting systems. The AZ9770591001 front engine mounts are engineered to withstand these challenges, with their heat‑resistant elastomer, robust steel core, and precise fitment that ensures the engine remains securely located during hard acceleration, braking, and cornering.

Moreover, the AZ9770591001 is fully compatible with the wide range of Sinotruk and Howo trucks operating in Nigeria, making it a versatile replacement part for fleet operators. By choosing genuine Sinotruk mounts, you invest in reduced cab noise, improved ride comfort, and lower maintenance costs — all of which contribute to driver satisfaction and fleet profitability.

Secure Your Engine with the Genuine AZ9770591001

The AZ9770591001 front engine mounts are critical components that directly influence engine stability, vibration isolation, and the durability of surrounding components. Their superior materials, precision engineering, and exact OEM fitment make them the only logical choice for professional fleet maintenance. By installing genuine Sinotruk AZ9770591001 mounts, you protect your engine, transmission, and cooling system from the damaging effects of excessive movement and vibration.

Never compromise on engine support with inferior aftermarket mounts that can fail prematurely. Insist on the genuine AZ9770591001 — the front engine mounts trusted by Nigeria’s leading fleet operators and workshops. With their proven durability and uncompromising quality, these components deliver the stability and ride comfort that keep your business moving forward.

Genuine Sinotruk AZ9770591001 – Stability, durability, and comfort for every journey.

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!

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