A Comprehensive Guide to Truck clutch Components and Where to Source Them

This post is all about how to source truck parts components.

In the intricate world of manual transmission vehicles, the clutch system plays a pivotal role in facilitating seamless gear transitions and efficient power delivery. This guide aims to demystify the various components of the clutch system, providing a smooth exploration of their types while presenting viable options for their procurement.

Types of Truck Clutch Components

1. Clutch Disc

Central to the system is the clutch disc, also known as the clutch plate, which serves as a linchpin for power transmission between the engine and transmission. Constructed from materials like organic compounds, ceramics, or kevlar, the clutch disc’s friction surface engages with both the flywheel and pressure plate. Pressing the clutch pedal disengages the clutch disc from the flywheel, facilitating seamless gear changes.

2. Pressure Plate

Crucially bolted to the flywheel, the pressure plate is instrumental in creating the necessary friction for power transmission. Considered a potential point for performance enhancement, aftermarket pressure plates often use materials like ductile iron or aluminum for increased strength and effective heat dissipation.

3. Flywheel

Functioning as the rotational inertia provider on the engine’s crankshaft, the flywheel acts as the surface against which the clutch disc engages. While stock flywheels typically use cast iron, performance-oriented vehicles often benefit from lightweight alternatives made of aluminum or other high-strength materials, improving throttle response and overall engine performance.

4. Throw-out Bearing

The throwout bearing, also referred to as the release bearing, comes into play when the clutch pedal is depressed, disengaging the clutch. This component minimizes friction between the pressure plate and the release fingers on the clutch diaphragm spring. Opting for a high-quality throwout bearing ensures a smooth and reliable clutch engagement.

5. Pilot Bearing/Bushing

Located at the center of the flywheel, the pilot bearing or bushing supports the transmission’s input shaft, ensuring smooth rotation. During clutch replacement, choosing a high-quality pilot bearing is essential for precision and the smooth operation of the transmission.

6. Clutch Fork and Release Arm

The clutch fork, a lever engaging with the throwout bearing, facilitates the transfer of force from the clutch pedal to the pressure plate. Complementing this, the release arm, also known as the release lever, is a critical part of the clutch fork assembly, controlling the throwout bearing’s movement. Replacing these components when necessary ensures the longevity and proper functioning of the clutch system.

Sourcing Truck Clutch Components

1. Automotive Parts Retailers

Prominent automotive parts retailers such as AutoZone, Advance Auto Parts, and O’Reilly Auto Parts offer a comprehensive range of clutch components. Both in-store and online platforms affiliated with these retailers provide the convenience of browsing and purchasing from the comfort of your home.

2. Specialty Auto Parts Stores

Enthusiasts seeking high-performance or specialized clutch components can explore the offerings of specialty auto parts stores. Brands like SPEC Clutch, ACT, and Clutch Masters cater to those looking to elevate their vehicle’s performance with top-tier clutches, pressure plates, and flywheels.

3. OEM Dealerships

For those prioritizing authenticity and compatibility, Original Equipment Manufacturer (OEM) dealerships provide genuine replacement parts. While OEM components may not boast the performance benefits of aftermarket options, they ensure reliability and adherence to factory specifications.

4. Online Marketplaces and Web Stores

E-commerce platforms such as Amazon, eBay, and RockAuto serve as expansive marketplaces for automotive parts, including clutch components. These platforms enable buyers to explore a diverse range of options, read reviews, and compare prices before making an informed purchase. One such webstore is https://e-kag.com.


Embarking on a journey through the world of clutch components becomes a seamless experience with a clear understanding of the intricacies involved. Whether seeking a reliable OEM replacement or aspiring to elevate performance with aftermarket upgrades, the automotive aftermarket industry stands ready with a diverse array of options.

With this guide, you’re equipped to navigate the realm of clutch components, ensuring a driving experience that is both smooth and efficient. If you own a fleet or looking to bulk purchase, we invite you to connect with us using the box below or contact us using the commercial vehicle spare parts page.

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