8-98039-779-0 Cross-Reference — Side Door Marker for Isuzu NPR/NRR/NQR (2008-2017) | Aftermarket Replacement

8-98039-779-0 is an OEM part number used to identify the side door marker for 2008-2017 Isuzu NPR, NRR, and NQR trucks. The same reference is usually written without hyphens as 898039779 — that is how it appears in the product title in our catalog — and both spellings identify the same part. Most owner-operators and fleet managers end up searching for one of these numbers when a marker lamp cracks, fades, or fails a DOT inspection and the dealership quote comes back far higher than expected. This guide explains what 8-98039-779-0 fits, which related reference numbers interchange with it, and where to order a direct-fit aftermarket replacement that ships quickly across the United States and Canada.

What 8-98039-779-0 Fits

Based on the matching product in our catalog, 8-98039-779-0 corresponds to the side door marker for the 2008-2017 Isuzu NPR, NRR, and NQR; the listing also covers the GMC W-Series (2008-2009) and the Chevrolet 3500/4500/5500 series trucks named on the product page. The lamp is DOT certified. 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 housing of the marker currently on your truck. If it reads 8-98039-779-0 or 898039779, or one of the interchange references below, the replacement linked on this page is the matching listing. If in doubt, send us your VIN and we will confirm fitment before you order.

Cross-Reference & Interchange

Truck manufacturers and dealer networks commonly track marker and clearance lamps under several reference numbers as parts are revised across production years or listed by side, finish, or supplying vendor. In our catalog, 8-98039-779-0 is cross-referenced with the following numbers on the same replacement listing:

• 898039779
• 8980397793
• 898039778
• 8980397783

If the number on your current marker or on your dealer quote appears anywhere in the list above, the same aftermarket replacement listing applies.

Aftermarket Replacement for 8-98039-779-0

EverTrust Parts stocks a direct-fit aftermarket replacement for 8-98039-779-0: Isuzu NPR/NQR/NRR Side Door Marker 898039779. For most fleets and owner-operators, quality aftermarket is the practical route — you get a brand-new lamp designed to match the original mounting points and plug-in connections 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: Isuzu NPR/NRR/NQR Parts Guide

EverTrust Parts is an independent aftermarket parts supplier. OEM part numbers such as 8-98039-779-0 are used strictly for compatibility identification purposes. The product linked above is an aftermarket replacement part, not a genuine Isuzu product, and EverTrust Parts is not affiliated with, sponsored by, or endorsed by Isuzu or any original equipment manufacturer.