Heavy-Duty Truck Parts & NEV Components Supplier

Shandong Chengda Auto Sales Co., Ltd.

COMPANY PROFILE

Shandong Chengda Truck Trailer Co., Ltd.Your Trusted Global Partner for Heavy-Duty Truck Parts & NEV Components

Established in 2005, Shandong Chengda Truck Trailer Co., Ltd. is a global leader specializing in the research, production, export, and service of heavy-duty truckspare parts, new energy vehicle (NEV) components, semi-trailers, and machinery equipment. Certified under ISO9001 and supported by patented manufacturing technologies, we deliver high-performance, cost-effective solutions for challenging transport and construction environments.

Core Product Focus

Heavy-Duty Truck Spare Parts: Complete original and high-durability aftermarket components for engines, chassis, gearboxes, braking systems, and cabin bodies.
NEV & Clean Energy Components: Premium spare parts and drive systems tailored for next-generation electric trucks and commercial green energy vehicles.
Trailers & Commercial Vehicles: Full trailers, semi-trailers, and customized heavy trucks engineered for heavy payloads and long-distance durability.

high quality

Leading Brand

Professional team

Advanced Equipment

Products

Truck and New Energy Parts

Weichai WP10.380E22 Diesel Engine Assembly (380 HP)

The Weichai WP10.380E22 Diesel Engine Assembly is a high-performance, heavy-duty 6-cylinder inline turbocharged powertrain engineered specifically for commercial heavy trucks, dump trucks, tractor units, and heavy industrial applications. Delivering 380 horsepower and robust low-end torque, the WP10 series is renowned for its operational reliability, excellent fuel economy, simple maintenance structure, and long service life under extreme load conditions.

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Rear Brake Drum

The WG9231342006 Rear Brake Drum is a heavy-duty wheel braking component engineered specifically for Sinotruk Howo commercial trucks, dumpers, and heavy-haul tractors. Cast from high-grade gray iron alloy and precision-machined for optimal dynamic balance, this rear brake drum provides superior heat dissipation, exceptional wear resistance, and reliable stopping performance under heavy axle loads and demanding road conditions.

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Rear Bumper Lower Cover

The 11D807521 Rear Bumper Lower Cover is a precision-molded rear fascia and lower skid panel designed for modern electric, hybrid, and commercial vehicles. Engineered with high-strength impact-resistant polymers, this matte black lower diffuser protects rear underbody structures from stone chips and debris while featuring integrated radar sensor cutouts, light reflector housings, and aerodynamic air-channelling contours.

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Lower Radiator Hose

The 1303100P3140 / 1303200P3140 Radiator Hose Assembly is a high-performance engine cooling water pipe designed for commercial trucks, heavy-duty transport vehicles, and passenger fleets. Manufactured from high-grade EPDM synthetic rubber and reinforced with internal textile braiding, this curved coolant hose features an external heat-resistant anti-abrasion mesh sleeve and pre-installed heavy-duty spring tension clamps for leak-free coolant flow between the radiator and engine block.

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HW19712 12-Speed Transmission Assembly

The HW19712 12-Speed Transmission Assembly is a heavy-duty, high-torque manual gearbox engineered specifically for commercial heavy trucks, tractor units, dump trucks, and long-haul transport chassis. Built around a proven twin countershaft structure, this 12-forward and 2-reverse speed transmission delivers superior torque load distribution, minimal gear friction, and smooth, precise gear engagement under full vehicle payloads.

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Auxiliary box drive gear

12JSDX240TA-1707030 Auxiliary Box Drive Gear — a heavy-duty, OEM-spec replacement part purpose-built for Fast (FastGear) truck transmission systems, offering superior torque delivery, exceptional resistance to wear, and prolonged reliability for heavy commercial vehicle servicing.

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Cabin Tilting Pump

The WG9719820001 Cabin Tilting Hydraulic Pump is an essential manual hydraulic lift pump engineered specifically for heavy-duty commercial trucks, dumpers, and tractor chassis. Designed to generate high fluid pressure with minimal pumping effort, this manual hydraulic pump drives the cabin tilting cylinder to effortlessly tilt the driver's cab forward for safe, easy access during routine engine maintenance and engine bay repairs.

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Axle Shaft

The QT305D31-2403051 Heavy Duty Rear Axle Shaft (Half Shaft) is a critical driveline power transmission component designed for commercial heavy trucks, tippers, and tractor units. Precision-forged from high-tensile alloy steel and subject to advanced heat treatment, this drive axle shaft transfers rotational torque directly from the differential gear assembly to the rear wheel hubs, ensuring maximum fatigue resistance and reliable torque transmission under extreme payloads.

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