C4-Series
Universal fit Not vehicle-specific
Fitment notes- Authorized dealerGenuine FCKLightBars parts, sourced direct
- 30-day returnsSee the return policy
- Diesel techs on the line908-223-9744, call or text
- Secure checkout
The new C4-Series is the brightest LED Bar on the market today - Guaranteed! After months of testing we have combined the 7W LEDs [strongest on market] and our Proven 4D Projector Optics to make for an unbelievable Lumen per Watt output, the amount of projection is designed for use in extreme high speed race vehicles (140+ mph). This is the first FCKLightbar rated at IP69, we have raised the weatherproof, shockproof, and impact abilities on this series due to the elements it will encounter in the toughest conditions seen on and off the road.
All C4-Series Bars are built on a Straight Housing *
7W LED chip with 4D Reflector
LUMENS:105lm/watt
Operating Voltage: 10-30V DC; Current draw change with your working Voltage and power
Waterproof rate: IP 69
Color Temperature: 6000K
Beam: Spot beam: 8 Degree/Flood beam: 20 Degree /Combo beam
Body Color: Black
Material: Diecast aluminum housing
Lens material: PC
Mounting Bracket: High Performance Mounts
Performance Specs:
C4-Series [10 Inch] 84Watt / Lumen Total: 8,820
C4-Series [15 Inch] 168Watt / Lumen Total: 17,640
C4-Series [20 Inch] 252Watt / Lumen Total: 26,460
C4-Series [25 Inch] 336Watt / Lumen Total: 35,280
C4-Series [30 Inch] 420Watt / Lumen Total: 44,100
C4-Series [40 Inch] 504Watt / Lumen Total: 52,920
C4-Series [50 Inch] 672Watt / Lumen Total: 70,560
FCKLightbars Lifetime Warranty on all Products protects your investment against LED Failure, Condensation, Flickering, and manufacture defects.
- Brand
- FCKLightBars
- SKU
- FCK-C410S
- Weight
- 5.0 lb
- Options
- 21 variants
- Shipping
- Ground, ships in 1 to 2 business days
Universal fit. This part is not vehicle-specific. Check the dimensions in the description, or text us a photo of what you are replacing and we will confirm it before you order.
Not sure it fits? Call 908-223-9744 or text us the year, model and engine. We confirm fitment before you order.
- Shipping
- In-stock parts ship in 1 to 2 business days. Tracking is emailed as soon as the label prints.
- Returns
- 30-day returns on unused parts in the original packaging. Return policy.
Same brand
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Why buy here
A diesel shop that sells parts, not a website that sells boxes.
Every part on this site is one our own techs can stand behind.
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We run what we sell
A working diesel repair and fabrication shop in Nazareth, PA. These are the parts our techs install every week.
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Real techs on the phone
Call or text 908-223-9744 and you get a diesel tech, not a script.
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Authorized dealer
Genuine parts straight from the manufacturer, with the factory warranty behind them.
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Fast from stock
Most in-stock parts ship in 1 to 2 business days from warehouses across the USA.
Authorized dealer for 140+ brands
All brands- 7+ Years in business
- 6+ Shop technicians
- 30,000+ In-stock SKUs
- 25+ Trucks given away
Reviews
What customers say
Verified reviews collected by Loox from real orders.
Good to know
Questions, answered straight.
If it is not here, call or text the counter. Real people, real answers.
Fitment
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Will this fit my truck?
The Fits section at the top of the page lists the manufacturer's applications for this exact part. If your year, make and model is not there, or you are not sure, text us a photo of what you are replacing with your year and engine and we will confirm it before you order.
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What if I order the wrong part?
Call or text us before it ships and we will swap it. After delivery you have 30 days to return it in new, uninstalled condition. The return policy has the restocking details.
Shipping
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When will it ship?
In-stock parts usually ship within 1 to 2 business days from warehouses across the USA. The stock line under the options tells you the status of the part you are looking at. Large items ship LTL freight and we call to schedule delivery.
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Why did I only get part of my order?
We ship from multiple warehouses, so an order with several items can arrive in more than one box. Tracking for each shipment is emailed as it goes out. Full details in the shipping policy.
Returns and warranty
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What is the return policy?
30 days from delivery, in new and uninstalled condition, with a restocking fee. Everything is spelled out in the Returns & Refund Policy.
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How do warranty claims work?
We are an authorized dealer, so the manufacturer's warranty applies to every part we sell. Call or text us with your order number and we handle the claim with the brand for you.
Paying
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Can I pay over time?
Yes. Shop Pay installments are offered at checkout on qualifying orders, and the monthly estimate shows right under the price.
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What is a core deposit?
Some remanufactured parts, like injectors and turbos, carry a refundable core deposit. It is shown on the product page when it applies and refunded when your old part comes back to us.
The shop floor, Nazareth, PAFull Send Diesel, Nazareth, PA
A team of diesel people, not a call center.
Full Send Diesel is a shop full of techs, builders and parts people in Nazareth, Pennsylvania. When you call or text, you reach someone who works on these trucks and knows the parts.
Not sure what you need? Send a photo of what you are replacing with your year and engine. We will point you to the right part, confirm it is in stock, and get it moving.
Mon–Fri, 8am–4pm ET. After hours, text or email and we answer first thing in the morning.





























