2 in Billet Aluminum Clutch Pedal Extender for Peterbilt Trucks
2 in Billet Aluminum Clutch Pedal Extender for Peterbilt Trucks
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In this review of the 2 in Billet Aluminum Clutch Pedal Extender, the bottom line is simple: this is for Peterbilt drivers who need a durable, bolt-on extension that restores pedal reach and confidence. The reviewer found it to be a straightforward replacement that matches original geometry and finish, making it especially useful for drivers with deep boots or slightly recessed pedals. Installation is quick and the product's billet silver aluminum construction feels heavier and more robust than typical stamped parts, so it is recommended for anyone after a long-lasting, OEM-matched extension.
Key Features
- Compatibility: Designed specifically to fit Peterbilt models including 378, 379, 386, 388 and 389, so buyers get a precise fit without modification.
- Material Quality: Machined from billet silver aluminum for improved durability and a solid feel compared with lighter stamped replacements.
- 2 in Extension: Adds two inches of pedal reach, helping drivers with larger footwear or altered seating positions engage the clutch more comfortably.
- Easy Installation: Installs as a direct replacement for the original pedal piece, allowing a quick swap with standard tools and no special adapters.
- OEM Match: Profile and mounting points are matched to original equipment, maintaining pedal geometry and avoiding interference with surrounding controls.
Who It's For
This pedal extender is best for professional truck drivers and owner-operators who drive Peterbilt 378, 379, 386, 388 or 389 models and need an extra 2 in of reach. It suits those who wear thick driving boots or who have adjusted seats and find the stock pedal position uncomfortable.
It is not intended for universal-fit scenarios or for trucks outside the listed Peterbilt models; buyers with other makes or with custom pedal setups should look for a model specific to their vehicle or a universal adjustable solution.
Pros & Cons
Pros
- Solid billet aluminum construction offers long-lasting durability compared with thinner stamped parts.
- Direct compatibility with multiple Peterbilt years simplifies selection and reduces installation time.
- Restores comfortable pedal reach by adding a full 2 in without altering pedal geometry.
Cons
- Limited to specified Peterbilt models, so it will not fit other truck makes without modification.
Specifications
| Product | 2 in Billet Aluminum Clutch Pedal Extender |
| Compatible Models | Peterbilt 378, 379, 386, 388, 389 |
| Compatible Years | 2001-2007 (378, 379), 2006-2012 (386), 2008-2013 (388, 389) |
| Material | Billet silver aluminum |
| Extension Length | 2 in |
| Brand | XTPTFABS |
Our Verdict
The 2 in Billet Aluminum Clutch Pedal Extender is a practical, good-value solution for Peterbilt drivers who need extra reach and a durable replacement part. Its precise fit, easy installation, and solid aluminum construction make it a sensible upgrade for covered models and a straightforward way to improve pedal comfort without extensive modification.
Frequently Asked Questions
Will this fit my Peterbilt 379?
Yes, it is listed as compatible with Peterbilt 379 models within the 2001-2007 range.
Is special tooling required to install it?
No special tools are required; installation is a direct replacement that can be completed with common hand tools.
What material is the extender made from?
The extender is machined from billet silver aluminum for enhanced durability and a solid feel.
Editor's Take
A practical, direct-fit 2 in clutch pedal extender for specified Peterbilt models; solid billet aluminum construction and easy installation make it a good value for drivers needing extra reach.

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