Black Oak Pro Series 3.0 Single Row Combo LED Light Bar 40CM-S5OS is a white 40-inch nominal · single row auxiliary light with combination flood / spot optics. Mariners Warehouse SKU 95839 supplies one 40CM-S5OS light. Choose the exact model by its lighting task, mounting geometry and electrical requirements.

40CM-S5OS combines an extended white single-row housing with flood/spot combination optics. The Pro Series 3.0 ceramic protective finish and stainless mounting brackets accompany the listed harness with fuse, relay and switch. Choose the slim format for a measured installation rather than assuming nominal length defines the required mounting span.

Check the delivered drawing for full width, brackets, cable exit and aiming clearance. The source lists a 42-inch bracketed width, but the exact supplied bracket assembly governs fit. Review the voltage ratings of the light, harness, relay and switch before connection. Follow the exact light and supplied-component instructions for installation and operating conditions.

Clear Product Details

Review the 16 oz gel format, specifications and application directions.

Surface Guidance

Check fiberglass, gelcoat and finish suitability before use.

Product Support

Ask about your surface and stain type before ordering.

Shipping & Returns

Review shipping information and return conditions before purchase.

Installation & Compatibility Guides

Compare Beam, Mounting and Electrical Requirements

Select 40CM-S5OS by the lighting task, beam, complete mounting assembly, supply and confirmed package contents.

40-Inch or Shorter 30-Inch White Single Row?

40CM-S5OS lists 200W and 30CM-S5OS lists 150W. Both are white single-row combo lights with mounting brackets and a harness with fuse, relay and switch listed in the purchase.

The longer model needs more support span and a separate electrical review. Compare the full assembly dimensions and desired beam placement; wattage and nominal length alone do not establish visibility at a chosen target or universal mounting fit. Review the Black Oak Pro Series 3.0 Single Row 30" LED Light Bar - Combo Optics - White Housing MPN - 30CM-S5OS as a separately sold option.

Continue Your Lighting Selection

Choose a lighting family by the task, mounting arrangement and electrical requirements of the actual installation.

Related Products

Frequently Asked Questions

What does SKU 95839 include?
One light bar, mounting brackets and a wiring harness with fuse, relay and switch. Manufacturer part number: 40CM-S5OS.
What beam pattern does 40CM-S5OS use?
Combination flood / spot. Match that distribution to the intended auxiliary lighting task.
What supply should I check?
The store lists a 12V DC system. Confirm the delivered light’s operating range before connection. Verify the delivered light label and the voltage ratings of the supplied harness, relay and switch separately. Follow model-specific circuit-protection and conductor requirements.
Does the nominal length prove fit?
No. Check full assembly dimensions, bracket centers, curved-profile clearance where relevant, cable exit and aiming movement using the exact model drawing.
What installation parts are included?
One light bar, mounting brackets and a wiring harness with fuse, relay and switch.
Can this replace an approved road or navigation light?
No approved replacement function is established here. Verify the exact product documentation and intended-use requirements.
Is the listing for a pair?
No. This listing supplies one 40CM-S5OS light bar with the listed installation parts.
How can I confirm the right selection?
Contact Mariners Warehouse with SKU 95839, MPN 40CM-S5OS, the vehicle or equipment, mounting measurements, DC system and intended lighting task.

Recently Viewed Products

Need Help?

 Need Help Choosing the Right Marine Cleaning Product? 

Need help comparing Black Oak Pro Series 3.0 Single Row Combo LED Light Bar, SKU 95839, MPN 40CM-S5OS? Share your vehicle or equipment, mounting location and available space, DC supply and desired beam. These details help us understand your selection question before you order.

Trusted by 50,000+ boat owners across the USA

A man wearing a navy blue polo shirt with a circular logo sits at a desk holding a metal engine component, with a laptop in front of him and a boat propeller on the table. A dark blue informational overlay on the right lists benefits like 'Talk to an Expert' and 'Find the Right Part'.
  • Expert Marine Support

    Our team has years of experience in marine parts.

  • Fast Response

    We respond quickly to get you the help you need.

  • Find Compatible Parts

    We make sure you get the right part the first time.

  • Huge Selection

    Access to 50,000+ marine parts & accessories.

Have a Part Number or Engine Model?

Send it to us and our experts will help you find the exact part you need.