
Product Introduction
The WP12 cylinder kit 612630900001 is a high-quality engine overhaul kit designed for WEICHAI WP12 diesel engines widely used in heavy-duty trucks such as SHACMAN X3000 and SINOTRUK HOWO T7H.
This kit is compatible with WP12.375, WP12.430, and WP12.460 engine variants, providing a complete repair solution for restoring engine compression, combustion efficiency, and overall power performance.
The cylinder kit typically includes piston assemblies, piston rings, cylinder liners, and piston pins, all manufactured to OEM specifications for precise matching with WP12 engine blocks.
Designed for harsh operating environments such as long-distance logistics, construction transport, and mining operations, this kit ensures stable performance under high temperature and high load conditions. It effectively reduces oil consumption, restores engine power output, and extends engine service life.
Each kit undergoes strict factory inspection, including dimensional accuracy checks and material strength testing, ensuring reliable quality for global aftermarket and fleet maintenance applications.

Technical Specifications
| Item | Specification |
| Product Name | Cylinder Kit |
| Part Number | 612630900001 |
| Engine Model | WEICHAI WP12 Series |
| Compatible Models | WP12.375 / WP12.430 / WP12.460 |
| Engine Type | Inline 6 Cylinder Diesel Engine |
| Fuel Type | Diesel |
| Main Components | Piston, Piston Ring, Cylinder Liner, Pin Kit |
| Material | High Strength Alloy / Cast Iron |
| Cooling Type | Water Cooled Engine System |
| Application Type | Heavy Duty Truck Engine Repair |
| OEM Standard | Yes |
| Condition | New |
| Quality Test | 100% Tested Before Shipment |
| Packaging | Export Standard Wooden / Carton Box |
| Origin | China |
| Availability | In Stock / Ready to Ship |
Vehicle Fitment
| Vehicle Brand | Compatible Models | Engine Models |
| SHACMAN | X3000 / X5000 | WP12 Series Engines |
| SINOTRUK HOWO | HOWO T7H / HOWO A7 | WP12.375 / WP12.430 / WP12.460 |
| WEICHAI | Industrial Engines | WP12 Series Applications |
| FOTON AUMAN | EST / GTL | WP12 Compatible Engines |
| BEIBEN | Heavy Duty Trucks | WP12 Engine Platforms |
Payment & Shipping
| Category | Options |
| Payment Methods | T/T (Bank Transfer), PayPal, Western Union, MoneyGram, Visa, MasterCard, L/C (Letter of Credit), Alibaba Trade Assurance |
| Express Shipping | DHL, FedEx, UPS, TNT |
| Freight Shipping | Air Freight, Sea Freight, Railway Freight |
| Delivery Time | Express: 3-7 Working Days; Air Freight: 7-15 Days; Sea Freight: 20-45 Days |
| Shipping Coverage | Worldwide Shipping Available |
| Trade Terms | EXW, FOB, CFR, CIF, DDP |
Related Products Categories
| Section/System | Common Spare Parts |
| Cylinder Block & Cylinder Head | Cylinder Block, Cylinder Head, Cylinder Liner, Piston, Piston Ring, Cylinder Head Gasket |
| Crankshaft System | Crankshaft, Connecting Rod, Main Bearing, Connecting Rod Bearing, Thrust Washer |
| Valve Train | Intake Valve, Exhaust Valve, Camshaft, Rocker Arm, Valve Spring |
| Turbocharger System | Turbocharger, Turbo Repair Kit, Intercooler, Intake Pipe |
| Fuel System | Fuel Injector, Injector Nozzle, Fuel Pump, Fuel Filter |
| Cooling System | Water Pump, Thermostat, Radiator, Expansion Tank |
| Lubrication System | Oil Pump, Oil Filter, Oil Cooler, Oil Pan |
| Intake & Exhaust System | Air Filter, Air Cleaner Assembly, Exhaust Pipe, Muffler, DPF, SCR |
| Engine Electrical Parts | Starter Motor, Alternator, Sensors, Wiring Harness |
Transmission & Drivetrain Parts
| Section/System | Common Spare Parts |
| Clutch System | Clutch Disc, Pressure Plate, Release Bearing, Clutch Master Cylinder, Clutch Booster |
| Transmission System | Gearbox Assembly, Synchronizer, Gear Set, Bearing, Oil Seal, Shift Fork |
| PTO System | PTO Assembly, PTO Gear, PTO Pump, PTO Seal |
| Driveshaft System | Driveshaft Assembly, Universal Joint, Center Bearing, Slip Yoke |
| Differential System | Differential Assembly, Crown Wheel & Pinion, Differential Bearing, Repair Kit |
| Section/System | Common Spare Parts |
| Front Axle | Kingpin Kit, Steering Knuckle, Ball Joint, Tie Rod, Wheel Bearing |
| Rear Drive Axle | Axle Housing, Half Shaft, Differential Housing, Hub Bearing |
| Suspension System | Leaf Spring, Air Spring, Shock Absorber, Equalizer Beam, U-Bolt |
| Steering System | Steering Gearbox, Power Steering Pump, Drag Link, Steering Shaft |
| Brake System | Brake Drum, Brake Disc, Brake Pad, Brake Chamber, Slack Adjuster |
| Wheel Hub System | Wheel Hub, Wheel Bearing, Oil Seal, Wheel Bolt, Wheel Nut |
Cabin & Body Parts
| Section/System | Common Spare Parts |
| Cabin Assembly | Cabin Shell, Cabin Suspension, Cabin Lock, Cabin Mount |
| Dashboard System | Instrument Cluster, Dashboard Panel, Switch Assembly |
| Door System | Door Assembly, Door Lock, Door Handle, Window Regulator |
| Seat System | Driver Seat, Passenger Seat, Seat Shock Absorber |
| Air Conditioning System | AC Compressor, Condenser, Evaporator, Blower Motor |
| Electrical System | Headlamp, Tail Lamp, Fog Lamp, Wiring Harness, Relay |
| Mirror System | Rear View Mirror, Mirror Arm, Mirror Cover |
| Body Exterior Parts | Bumper, Grille, Fender, Mudguard, Step Panel |
