Upgrade your Peterbilt Peterbilt 357 with premium LED lighting purpose-built for the trail and the street. Every Rockcats LED headlight, fog light, and light bar is engineered to DOT and SAE standards, sealed to IP67 or better, and backed by a 3-year warranty. Browse the full Peterbilt Peterbilt 357 fitment catalog below and find the exact drop-in upgrade for your rig.
Not sure about your trim or year? Ask us — our team knows fitment.
Frequently Asked Questions
Will these lights fit my Peterbilt Peterbilt 357?
Yes — every light in our Peterbilt Peterbilt 357 catalog is selected for a direct-fit, plug-and-play installation. Our DOT/SAE-compliant LED headlights and fog lights are street-legal for on-road use in all 50 states; auxiliary light bars are built for off-road use (check each product page for its specific certification). Use the fitment table on this page to confirm the exact year range for your rig before ordering.
What's the difference between halogen and LED for the Peterbilt Peterbilt 357?
LED headlights produce significantly more lumens per watt than halogen, giving you a brighter, whiter light with lower current draw. For the Peterbilt Peterbilt 357 on the trail, LED also means less heat cycling stress on the housing. Every Rockcats LED unit is sealed to IP67 or better, so mud, water, and trail dust aren't a concern.
Are 4x4 Rockcats lights DOT approved for the Peterbilt Peterbilt 357?
Our LED headlights and fog lights that carry DOT FMVSS 108 / SAE certification are street-legal for on-road use in all 50 US states — check each product page for its specific certification. Auxiliary off-road light bars are intended for off-road use. Our products are designed and tested for the North American market.
What warranty comes with Rockcats lights for the Peterbilt Peterbilt 357?
Every 4x4 Rockcats product ships with a 3-year limited warranty against manufacturing defects. Registration is recommended to speed up any future claim (4x4rockcats.com/product-registration), but it isn't required — unregistered products are still covered with proof of purchase.
How fast do Rockcats lights ship for the Peterbilt Peterbilt 357?
In-stock orders ship within 24 hours (Monday–Friday) from our Pennsauken, New Jersey warehouse. Most customers in the continental US receive their order in 3–5 business days via UPS Ground or USPS.
What lighting products are available for the Peterbilt Peterbilt 357?
We carry 1 LED lighting option for the Peterbilt Peterbilt 357: 4x6" LED Headlight for Kenworth/Peterbilt/Freightliner. Browse the full lineup above and use the fitment table to find the right fit for your build.