Peterbilt 359 Inner Lamp Bucket for LED Headlights
Restore proper fitment and performance when upgrading to LED headlights on your Peterbilt 359. This inner lamp bucket is designed specifically for United Pacific dual headlight housings and ensures correct positioning and secure mounting of LED headlight assemblies.
Built Specifically for LED Headlight Conversions
When converting a Peterbilt 359 to LED headlights, standard inner lamp buckets may not provide the correct depth, alignment, or mounting support. This inner lamp bucket is engineered specifically for LED headlight applications, eliminating fitment issues that can compromise beam pattern, durability, or overall appearance.
Designed to integrate seamlessly with United Pacific headlight housings, it ensures your LED headlights sit correctly and perform as intended.
Purpose-Built Design for Proper Fitment
Designed for United Pacific Dual Headlights
This inner lamp bucket is engineered exclusively for United Pacific Peterbilt 359 dual headlight housings, ensuring precise alignment and secure installation.
Optimized for LED Headlights
Specifically designed for LED headlight use, including United Pacific LED headlight item #31267, providing the correct spacing and support required for modern LED assemblies.
Complete Inner Lamp Bucket Assembly
Supplied as a complete inner bucket, making it ideal for replacements, restorations, or LED retrofit projects without modifying original components.
Where This Part Is Used
This inner lamp bucket is commonly used when:
-
Converting a Peterbilt 359 from halogen to LED headlights
-
Replacing damaged or incorrect inner lamp buckets
-
Restoring or rebuilding United Pacific headlight housings
Using the correct LED-specific bucket helps maintain proper beam alignment, housing integrity, and long-term reliability.
Fitment, Installation & Compatibility
Direct Replacement Design
Designed to install directly into compatible United Pacific headlight housings without cutting, drilling, or fabrication.
Vehicle & Housing Compatibility
-
Vehicle: Peterbilt 359
-
Application: Inner lamp bucket
-
Headlight type: LED only
-
Compatible with: United Pacific dual headlight housings
-
Designed for: United Pacific LED headlight item #31267
Important Fitment Notes
-
Does not fit OEM or other aftermarket headlight housings
-
LED-specific design — not intended for halogen headlights
Build Quality & Warranty Coverage
Manufactured to meet the dimensional and durability requirements of heavy-duty truck lighting systems, this inner lamp bucket is built for consistent performance in demanding road conditions.
Backed by a 6-month warranty covering manufacturing defects for added confidence during installation and use.
What’s Included
-
1 × Peterbilt 359 inner lamp bucket for LED headlight
-
Complete inner bucket assembly (housing not included)
Frequently Asked Questions About the Peterbilt 359 Inner Lamp Bucket
What headlights is this inner lamp bucket designed for?
This bucket is designed specifically for LED headlights, including United Pacific item #31267.
Will this fit factory Peterbilt headlight housings?
No. This part only fits United Pacific headlight housings and is not compatible with OEM or other aftermarket housings.
Can this be used with halogen headlights?
No. This inner lamp bucket is engineered specifically for LED headlight applications and should not be used with halogen bulbs.
Is this a complete headlight housing?
No. This is the inner lamp bucket only. The outer housing and headlight assembly are sold separately.
Is installation complicated?
No. When used with compatible United Pacific housings, installation is straightforward and does not require modification.
What warranty is included?
This product includes a 6-month warranty covering defects in materials and workmanship.

















