Description
Product Overview
The Peterbilt Door Handle 20-08179L is a cab and sleeper component listed under part number 20-08179L. It is available from us as a replacement for a worn or damaged door handle.
A door handle gets used constantly, so wear can eventually show up as looseness, difficulty opening the door or a handle that no longer operates correctly.
What the Part Does
The door handle gives the driver a way to operate the door’s latch mechanism from the outside. It works with the internal door hardware to release the latch when the handle is operated.
Because the handle is used so often, damage or wear can make a simple task like getting in and out of the cab unnecessarily difficult.
Common Problems This Part Solves
A damaged handle may feel loose, fail to move correctly or become difficult to use. In some cases, the handle itself is the problem. In others, the latch or connecting hardware may also be worn.
Check the complete door mechanism before ordering if the handle has stopped working properly.
Why Replacement Matters
A broken door handle is more than an inconvenience when the truck is working every day. Getting the door open and closed reliably matters for normal operation and regular cab access.
Replacing the handle also gives you a good opportunity to inspect the latch and other hardware behind the door panel.
Related cab part: Check our Peterbilt Door Latch if the latch is also worn or damaged. The handle and latch work together, so it is worth checking both during a door repair.
Compatibility and Fitment
This handle is identified by 20-08179L and is listed specifically as a Peterbilt door handle. The “L” designation identifies the left-side version in the product listing.
Compare the part number and side of the existing handle before ordering. If you’re unsure about fitment, send us the truck information and existing part number and we’ll check it.
You can also browse our Aftermarket Truck Parts for other cab, sleeper and heavy-duty replacement components.
Installation and Service Notes
Installation requires access to the door hardware behind the handle. Before removing the old handle, make sure you understand how it connects to the latch mechanism.
While the handle is apart, inspect the latch and connecting hardware for excessive wear. If those parts are damaged too, replacing them at the same time can save another door repair later.
Use Case
The 20-08179L is a practical replacement when the original left-side door handle is broken, loose or no longer operating the door correctly. It also makes sense during a larger cab-door repair when the existing handle has obvious wear.
About Us
We’re a family-owned group of Peterbilt dealerships dedicated to getting you the parts you need quickly and affordably. Whether you’re looking for Paccar OEM parts, reliable aftermarket replacements, or popular upgrades like seats and filters, we make it easy to keep your truck running and on the road. If you don’t see what you need online, just give us a call or send an email — chances are we can get it. We pride ourselves on fast service, fair prices, and being a partner you can depend on when downtime isn’t an option.
FAQs
What is the part number for this door handle?
The part number is 20-08179L. The product is listed as a Peterbilt door handle in our cab and sleeper inventory.
Is this the left or right door handle?
The L in 20-08179L identifies the left-side version. Always compare the part number and side with the handle on your truck before ordering.
What are signs that a door handle needs replacement?
A loose handle, difficulty operating it or a handle that no longer releases the door can indicate a problem. The latch and connecting hardware should also be checked.
Should I replace the door latch too?
Only if the latch is worn or damaged. Since both parts work together, checking the latch while replacing the handle is a good idea.
Where can I find other Peterbilt cab parts?
Our Aftermarket Truck Parts selection includes cab, sleeper, door and other heavy-duty replacement components.
