Premium Quality Factory-Spec Crankshaft (23110-2B000)

The 23110-2B000 crankshaft is a replacement component for Hyundai and Kia Gamma series engines, featuring a wide-tooth timing gear interface with induction-hardened journals. Manufactured to Mobis OEM specifications and compliant with ISO/TS16949 automotive quality standards, it supports direct bolt-on installation for compatible engine models. It is suitable for commercial procurement and distribution clients, with technical drawing support and custom packaging options available for bulk orders.

23110-2B000 Crankshaft Product Specifications

23110-2B000 Crankshaft Manufacturing and Design Details

Material and Structural Design

This crankshaft is constructed from QT800-3 nodular cast iron, with a tensile strength of ≥830MPa and specified fatigue resistance properties. It adopts a 4-cylinder 8-counterweight optimized structure, engineered to withstand combustion pressures and torsional loads under standard operating conditions. The component undergoes stress relief treatment during manufacturing to maintain dimensional stability across temperature variations.

Surface Machining and Hardening Process

All main and connecting rod journals are precision ground to micron-level tolerances, with a surface roughness of Ra≤0.4μm. Journals receive induction hardening treatment, reaching a surface hardness of HRC 58-62 to increase wear resistance. The component also receives surface phosphate treatment for corrosion protection.

Lubrication and Dynamic Balancing

Internal inclined oil passages deliver lubricant to all journal surfaces across engine RPM and load ranges. Each unit completes 100% dynamic balancing testing, controlled within a tolerance of ≤5g·cm, to reduce vibration during engine operation.

Vehicle and Engine Compatibility for 23110-2B000 Crankshaft

This crankshaft is compatible with Hyundai Elantra (Avante) model years 2008-2017, matching G4FC 1.6L and G4FA 1.4L Gamma MPI engines with wide-tooth timing gear design. Its dimensional specifications align with original equipment parameters, requiring no additional machining for installation on corresponding engine blocks, connecting rods and timing components.

Installation and Operation Notes for 23110-2B000 Crankshaft

Main bearing cap bolts should be tightened in a center-to-end sequence in two stages: first stage 17.7-21.6 N·m (13.0-15.9 lb-ft), second stage 88°-92° angle torque. Connecting rod bolts follow the same two-stage procedure. Main and connecting rod bolts are torque-to-yield components and must be replaced with new units during reassembly.

Lubricate all journals and bearing shells with clean engine oil before assembly. Verify crankshaft end play and radial runout immediately after installation. Follow a break-in procedure: operate under gentle conditions for the first 500 km, avoiding speeds above 4000 RPM and heavy loads. Replace engine oil and filter after 1000 km of break-in driving.

For bulk orders, the minimum order quantity ranges from 500 to 1000 units. Packaging options include Mobis standard packaging, neutral aftermarket packaging and custom branded packaging to fit distribution requirements. Technical drawing support is available for enterprise customers.

FAQ for 23110-2B000 Engine Crankshaft

What causes deep metallic knocking from the lower engine block?

This symptom typically stems from worn main or connecting rod bearings, scored journals, spun bearing shells, or broken oil film under heavy load. The noise presents as a deep, rhythmic sound that intensifies with engine RPM. Diagnosis can be performed with a mechanic’s stethoscope, along with inspection of oil and filters for metal shavings. For minor journal wear (≤0.05mm), journals can be ground to standard oversize and matched with oversized bearings. Severe scoring or taper requires full crankshaft replacement.

What leads to sudden oil pressure drops in the engine?

Excessive bearing clearance from worn journals, blocked oil passages from metal particles, damaged gallery plugs, or secondary oil pump wear can cause pressure drops. Verify pressure with a mechanical gauge; normal hot idle pressure ranges 1.5-2.5 bar, and operating pressure at 2000 RPM ranges 3.0-4.5 bar. If journal wear is confirmed, replace the crankshaft and full bearing set, flush the lubrication system, and install a new oil pump and pressure sensor.

Why does the engine have severe vibration and rough operation?

Bent crankshafts, damaged balance weights, uneven journal wear, or excessive end play can cause vibration. The symptom intensifies as engine speed increases. Maximum allowable radial runout is 0.08mm; end play specification for G4FC engines is 0.07-0.25mm. Bends exceeding 0.08mm require replacement, as straightened units carry elevated fatigue failure risk.

How to deal with crankshaft oil seal leaks?

Front seal leaks appear as oil drips from the timing cover, while rear seal leaks present as seepage from the transmission bellhousing. Worn seal journals, aged seals, improper installation, or excessive end play can cause leaks. If the journal is smooth, replace only the seal. If the journal is grooved or worn, replace the crankshaft. Lubricate the new seal lip before installation, and use a seal driver tool for even fitting.

What causes premature failure of replacement crankshafts?

Substandard cast iron, inaccurate machining with dimensional deviations exceeding ±0.015mm, incomplete heat treatment, or casting defects can cause premature failure, potentially leading to breakage or bearing seizure within short mileage. Selecting units with documented material and hardness testing can reduce this risk.