Honda CR-Z Hybrid LEA1 1.5L L4 Engine 12493E 2010-2016

Description

Drivers face severe oil consumption and low compression codes before choosing this Honda CR-Z LEA1 Remanufactured Engine. Each 1.5L 4-Cylinder 16-Valve SOHC long block features precision-machined combustion chambers and align-honed main saddles. Technicians must perform a pressurized engine oil prime and execute an exact 500-mile break-in oil change to protect the Integrated Motor Assist valvetrain from premature friction wear.

Manufactured around an open-deck aluminum block stamped with casting LEA1, this assembly features cast iron cylinder sleeves align-honed to factory bore roundness. The rotating group features a micro-polished forged steel crankshaft, balanced connecting rods, and lightweight hypereutectic pistons with coated skirts. The 16-Valve SOHC cylinder head receives diamond deck resurfacing for head gasket retention. Net dry weight totals 230 lbs in a crated envelope of 36in length by 36in width by 36in height. Crankcase oil capacity equals 3.8 quarts.

Key Features of Honda LEA1

Independent automotive repair shops buy Honda LEA1 remanufactured engine long blocks to restore factory fuel economy and eliminate mechanical hybrid valvetrain chatter. This long block replacement provides factory-matched tolerances for compact front-wheel-drive hybrid sport hatchbacks.

• SOHC 16-Valve cylinder heads undergo precision CNC valve seat cutting to guarantee complete cylinder compression.
• Block casting LEA1 sleeves receive diamond plateau honing to establish an Ra 14 finish.
• Micro-polished crankshaft journals eliminate runout to protect tri-metal bearings from hydrodynamic film breakdown.
• Lightweight hypereutectic pistons maintain tight piston-to-wall clearances to stop cold piston slap.
• Align-honed aluminum main bearing saddles preserve circularity under elevated engine revolution speeds.
• Multi-layer steel head gaskets provide positive combustion chamber seals against high thermal stress.
• Pre-installed valvetrain components undergo mechanical clearance calibration to ensure quiet rocker arm action.

Dyno Load Operational Tolerances Specifications

Spin cell testing verifies mechanical oil pressure and rotating assembly balance prior to final packaging. The 1.5L 1497cc SOHC engine produces 111 HP at 6,000 RPM and 106 ft-lbs of shaft torque at 4,800 RPM in standalone combustion operation. Main journal oil clearance holds at 0.0010in to 0.0014in, while connecting rod clearance measures 0.0011in to 0.0014in. Individual cylinder compression verifies at 185 PSI across all 4 cylinders. Hot engine oil pressure maintains 50 PSI at 3,000 RPM with regulated coolant temperatures stabilizing at 190°F.

Vehicle Fitment Drivetrain Guide

This long block repowers 2011 to 2016 Honda CR-Z hybrid sports hatchbacks equipped with the 1.5L 1497cc SOHC LEA1 engine. Compatible drivetrains include front-wheel-drive configurations paired with 6-Speed manual transaxles or continuously variable transmissions with Integrated Motor Assist electric rotors. This unit does not fit standard non-hybrid Honda Fit 1.5L L15A platforms, Civic Hybrid 1.3L LDA engines, or turbocharged 1.5L L15B platforms due to unique IMA flywheel bolt circles and starter mounting provisions.

Installation Protocol Service Requirements

Technicians must inspect the Integrated Motor Assist flywheel rotor gap and torque crankshaft bolts to factory specifications during engine reassembly. Operational warnings prohibit deployment in forced induction supercharger setups exceeding 5 PSI boost or track chassis lacking auxiliary oil coolers.

• Pre-fill the oil filter and prime the engine lubrication passages with 0W-20 motor oil.
• Drain initial break-in oil and install a replacement oil filter at the 500-mile maintenance mark.
• Inspect IMA electrical wiring connections and check valve clearance lash at the 1,500-mile inspection interval.

Warranty Terms Core Return Policy

This long block comes supported by our comprehensive 3-Year Unlimited-Mile warranty for reliable road service. We provide free prepaid return freight shipping for your original rebuildable core engine within a standard 30-day window. The crated package contains the remanufactured long block core, oil pan, and valve cover.