This is the Liuzhou Engine 1AE1 EFI version, whose mounting holes, oil passages and sensor interfaces are incompatible with Changan JL465QH and 465Q5; Distinguish between 1AE1/1AE6/3-1AE1, check the engine nameplate before placing orders to avoid incorrect installation.
Integrated high-strength grey cast iron casting with thickened cylinder liner wall, built-in complete cooling water passages and main engine oil galleries; Hydrostatic pressure leak test conducted before delivery, free of sand holes, air holes and cracks; Oil passages precision ground to remove burrs to prevent cylinder scoring caused by oil shortage due to blockage, anti-deformation under heavy loads.
Genuine quenched and tempered crankshaft with precisely ground main and connecting rod journals, matched with thickened upper and lower bearing shells; Complete machine undergoes dynamic balance calibration before delivery, free of resonance and vibration at idle speed and full load, low risk of bearing melting and seizure.
Pistons of standard genuine factory size, equipped with three sealing piston rings (two compression rings + one oil control ring), low engine oil consumption and sufficient cylinder pressure; Reinforced forged connecting rods, suitable for frequent start-stop and bumpy cargo transport conditions of mini vehicles.
Exclusive camshaft for LJ465Q-1AE1 with accurate valve timing, stable idle speed without vibration; Timing mounting seats replicated 1:1 per OEM standard, directly compatible with 465 series timing repair kits.
Lightweight aluminum head features fast heat dissipation and low risk of high-temperature warpage; Valves, valve seats and valve oil seals are all pre-installed, air tightness test completed before delivery, eliminating issues such as air leakage, power attenuation and overheating.
Genuine matching oil pump delivers stable oil supply pressure for continuous lubrication of all friction pairs inside the cylinder block; Regular sealing grooves on oil sump reduce engine oil seepage after assembly, fully pre-installed with oil filter base and oil drain plug.
Mounting holes for water temperature sensor, oil pressure sensor and crankshaft position sensor are all pre-reserved, enabling direct connection with original vehicle pipelines and wiring harnesses without drilling or modification; Protective plugs equipped during transportation to block dust and water ingress.