R59-6126-2212000 Cross-Reference — Next Gen Black Mirror Cover for Peterbilt 579 | Aftermarket Replacement

R59-6126-2212000 is an OEM part number used to identify the Next Gen black mirror cover for Peterbilt 579 trucks. Most owner-operators and fleet managers end up searching for this number when a mirror cover gets scuffed, cracked, or torn off by a close pass and the dealership quote comes back far higher than expected. This guide explains what R59-6126-2212000 fits, how the reference is tracked, and where to order a direct-fit aftermarket replacement that ships quickly across the United States and Canada.

What R59-6126-2212000 Fits

Based on the matching product in our catalog, R59-6126-2212000 corresponds to the black mirror cover for Next Gen Peterbilt 579 trucks. The fastest way to confirm you are on the right page is to check the part number printed on the label or molded into the inside of the cover currently on your truck. If it reads R59-6126-2212000, the replacement linked below is the matching unit. If your 579 is an earlier body style, verify the number first, or send us your VIN and we will confirm fitment before you order.

Cross-Reference & Interchange

R59-6126-2212000 is the primary reference number we track for this part, and our catalog does not list additional interchange numbers against it. If the mirror cover on your truck carries R59-6126-2212000, the replacement below is the matching unit. If your part shows a different number altogether, send it to us along with your truck's model and year and we will confirm compatibility before you place the order.

Aftermarket Replacement for R59-6126-2212000

EverTrust Parts stocks a direct-fit aftermarket replacement for R59-6126-2212000: Aftermarket Next Gen Black Mirror Cover Compatible with Peterbilt® 579 R59-6126-2212000. For most fleets and owner-operators, quality aftermarket is the practical route — you get a brand-new cover designed to match the original mounting points at a fraction of typical dealer pricing, which matters when the truck is sitting instead of earning.

Every order is dispatched within 24 hours, shipping is free across the United States and Canada, and the price you see at checkout is final — no import duties and no surprise fees at delivery.

Related: Peterbilt 389 Parts Guide

EverTrust Parts is an independent aftermarket parts supplier. OEM part numbers such as R59-6126-2212000 are used strictly for compatibility identification purposes. The product linked above is an aftermarket replacement part, not a genuine Peterbilt product, and EverTrust Parts is not affiliated with, sponsored by, or endorsed by Peterbilt or any original equipment manufacturer.