Convert 4″ round light openings into a clean watermelon light mount with this polished 304 stainless steel sleeper bunk adapter. Designed as a one-piece integrated plate and bezel, it delivers a flush fit to the cab with no visible gaps for a seamless, professional finish.
A Clean Conversion for 4″ Round Light Openings
Many sleeper bunks and cab panels are factory-cut for 4″ round lights, limiting mounting options when upgrading to watermelon-style LEDs. This stainless adapter plate is engineered specifically to solve that problem, allowing watermelon lights to mount securely while maintaining a factory-quality appearance.
Its integrated design eliminates the need for multiple pieces or improvised brackets, resulting in a clean, precise installation.
Integrated Stainless Design for a Seamless Fit
Polished 304 Stainless Steel Construction
Built from premium-grade 304 stainless steel, the adapter offers excellent corrosion resistance and a mirror-polished finish that complements chrome and stainless trim.
One-Piece Integrated Adapter & Bezel
The one-piece design combines the adapter plate and mounting bezel into a single component, simplifying installation and improving overall strength.
Designed for 4″ Round Openings
Engineered specifically to mount watermelon lights into existing 4″ round light openings, making it ideal for sleeper bunk conversions and upgrades.
Flush Fit to Cab
Designed for a tight, flush fit against the cab surface with no visible gaps, creating a clean, finished look.
Built for Straightforward Installation
Mounting screws and gasket hardware are included, helping ensure proper sealing and secure attachment during installation.
Ideal for sleeper bunk and cab panel applications where durability, alignment, and appearance are equally important.
Fitment, Installation & Technical Notes
Application
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Converts 4″ round light openings to watermelon light mounts
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Designed for sleeper bunk and cab panel installations
Installation Details
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One-piece integrated stainless adapter
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Includes mounting screws and gasket hardware
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Designed for flush mounting
Important Notes
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Verify watermelon light compatibility before installation
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Professional installation recommended for best alignment
Materials, Durability & Warranty Coverage
Constructed from polished 304 stainless steel and designed for exterior truck applications, this adapter is built to withstand vibration, weather exposure, and long-term road conditions.
Backed by a 6-month warranty covering manufacturing defects.
What’s Included
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1 × 304 stainless steel watermelon light sleeper adapter
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Mounting screws
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Gasket hardware



















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