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Premium Engine Crankshaft Assembly 3111-2G230

The 3111-2G230 Crankshaft Assembly is a high-quality engine internal component designed for Hyundai vehicles. As one of the key rotating parts inside the engine, the crankshaft converts the reciprocating motion of pistons into rotational power and transfers engine torque to the drivetrain. Manufactured according to OEM specifications, this crankshaft provides accurate dimensions, stable performance, and reliable durability for engine rebuilding and replacement applications.
  • 3111-2G230

  • KINGMAY

  • 3111-2G230

  • Hyundai, Kia

  • Santa Fe, Tucson, Sorento, Sportage, Optima (K5)

  • 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010

  • Engine System

  • Crankshaft

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Product Description

Product Overview

The Engine Crankshaft Assembly 3111-2G230 is a critical internal engine component designed for Hyundai 2.4L gasoline engines. As the core power transmission part inside the engine, the crankshaft converts the linear movement of pistons and connecting rods into rotational motion, transferring engine power efficiently to the drivetrain. The 3111-2G230 crankshaft is manufactured with high-strength materials and precision machining technology to ensure excellent durability, dimensional accuracy, and stable engine operation. 

This crankshaft assembly is an ideal replacement solution for engine rebuilding, overhaul projects, and aftermarket maintenance. It is engineered to meet original equipment specifications, providing reliable fitment and performance comparable to the original component. The part number 3111-2G230 is also identified as Hyundai OEM crankshaft reference 23111-2G230, replacing previous number 23111-2G200



Engine Crankshaft Assembly 3111-2G230

Product Features

1. High Strength Engine Component

Made from durable alloy steel material, the crankshaft is designed to withstand high torque, heavy loads, and continuous engine operation, ensuring dependable performance under demanding driving conditions.

2. Precision Machined Surface

Advanced machining processes provide accurate journal dimensions and balanced rotation, reducing friction, vibration, and premature engine wear.

3. OEM Replacement Fitment

Manufactured according to original equipment specifications, allowing direct replacement without complicated modifications and ensuring proper compatibility with Hyundai engines.

4. Stable Engine Performance

The optimized structure improves crankshaft balance, supports smooth piston movement, and helps maintain consistent engine power delivery.

5. Suitable for Engine Rebuilding

Ideal for engine overhaul, damaged crankshaft replacement, and professional maintenance applications.


Product Specifications


Product Specifications

Specification Item Product Data
Product Name Engine Crankshaft
Genuine Part Number 23111-2G230
Common Search Number 3111-2G230
Part Code 23111
Replaces Part Number 23111-2G200
Manufacturer Note / Material Grade 44MnSiVS6
Engine Family Theta II
Engine Displacement 2.4L / 2400 cc
Engine Configuration Inline 4-Cylinder, DOHC
Compatible Engine Codes G4KC / G4KE / G4KJ
Fuel Type Gasoline
Stroke 97.00 mm
Main Journal Diameter 51.98 mm
Crankpin Journal Diameter 47.98 mm
Rear Seal Diameter 85.00 mm
Item Weight 15.6 kg
Condition New
Fitment Type Direct Replacement
Package Contents 1 × Crankshaft



Function & Application

Main Functions

  • Converts piston reciprocating movement into rotational power

  • Transfers engine combustion force to drivetrain

  • Maintains engine mechanical balance

  • Supports smooth engine rotation

  • Reduces vibration and improves driving comfort

Common Applications

The 3111-2G230 Crankshaft Assembly is mainly used for Hyundai engine repair, replacement, and overhaul applications, including:

  • Engine rebuilding projects

  • Damaged crankshaft replacement

  • High mileage vehicle maintenance

  • Professional workshop repair

  • Automotive aftermarket supply


Frequently Asked Questions (FAQ)

Q1: What is the function of a crankshaft assembly?

The crankshaft converts the up-and-down movement of pistons into rotational movement, allowing the engine to generate and transfer power.


Q2: Is 3111-2G230 a direct replacement part?

Yes. The 3111-2G230 crankshaft is designed as an OEM replacement component and replaces the previous reference number 23111-2G200. 


Q3: What symptoms indicate a damaged crankshaft?

Common signs include:

  • Abnormal engine vibration

  • Knocking noise from engine area

  • Reduced engine performance

  • Low oil pressure

  • Difficulty maintaining stable operation


Q4: Can this crankshaft be used for engine rebuilding?

Yes. It is suitable for professional engine overhaul and rebuilding applications when matched with the correct engine specifications.


Q5: How does Kingmay ensure product quality?

Kingmay provides inspection before shipment, professional packaging, and customized supply solutions for international automotive parts buyers.


Kingmay Auto Parts Advantages

1. OEM-Grade Quality Control

Kingmay focuses on OEM-quality aftermarket auto parts for Korean and Japanese vehicles, covering engine, cooling, suspension, and electrical system components. Strict quality inspection helps ensure stable product performance and reliable fitment.


2. Flexible Wholesale Solutions

Kingmay supports international distributors and repair businesses with flexible MOQ options, customized packaging, and professional sourcing services, helping customers efficiently expand their product range. 


3. Reliable Global Shipping Service

With export experience and multiple logistics solutions, Kingmay provides efficient shipment arrangements including express air freight for urgent and small-volume orders, supporting worldwide automotive parts supply. 


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