1. Product Introduction

The Mitsubishi FK330 FK415/417 Steering Knuckle Repair Kit King Pin KP540/MC999984 is designed for repairing and maintaining the front steering knuckle assembly of selected Mitsubishi Fuso medium-duty trucks. The king pin is an important steering component that connects the steering knuckle to the front axle and allows controlled steering movement.

This repair kit is identified by KP540 and OEM number MC999984, with a listed king pin size of 35 × 189 mm. It is commonly specified for Mitsubishi Fuso FK330, FK415 and FK417 applications, particularly models around the 1990 model period. (ecer)

The kit provides a practical solution when the original king pin and related steering-knuckle components become worn through long-term commercial vehicle operation.

2. Product Parameters

The 35 × 189 mm specification and MC999984 reference are listed in multiple product catalogs.

3. Product Features

1. Application-Specific Design – Developed for selected Mitsubishi Fuso FK-series steering systems.

2. Accurate Dimensions – King pin specification of 35 × 189 mm supports proper application matching.

3. Durable Steel Construction – SAE 1045 steel provides strength suitable for commercial vehicle steering applications.

4. Steering Knuckle Repair – Helps restore the connection and movement between the front axle and steering knuckle.

5. OEM Reference Matching – KP540 is cross-referenced with MC999984.

6. Maintenance-Friendly Solution – Suitable for professional truck repair shops and commercial vehicle maintenance.

4. Suitable Vehicle Models

1. Mitsubishi Fuso FK330

2. Mitsubishi Fuso FK415

3. Mitsubishi Fuso FK417

4. Selected Mitsubishi Fuso FK-series vehicles using the MC999984 specification.

Catalog information specifically associates KP540 / MC999984 with FK330 and FK415/FK417 applications. Always compare the original part number and dimensions before installation.

5. FAQ

Q1: What is the part number of this king pin kit?
A: The part number is KP540, with OEM reference MC999984.

Q2: What is the king pin size?
A: The listed king pin size is 35 × 189 mm.

Q3: Which Mitsubishi Fuso models can use KP540?
A: It is listed for FK330, FK415 and FK417 applications.

Q4: What is the main function of this repair kit?
A: It repairs the steering knuckle and king pin connection, helping restore proper front steering movement.

Q5: How can compatibility be confirmed?
A: Check the vehicle model, original king pin dimensions and OEM number MC999984 against the replacement kit specifications before installation.