Up Your Game. Fit Your Needs.

Fiberglass Caps, Snowplows, Bed Covers, Running Boards & More.

Offering Top-notch Customer Service, High Quality Parts & Professional Installation for Personal and Commercial Vehicles.

Every vehicle and every driver has different needs. That’s why we offer a wide range of vehicle upfitting solutions designed to fit your lifestyle, work demands, and budget. Whether you’re looking for everyday truck accessories like running boards, tonneau covers, hitch receivers, and other truck accessories, or larger upgrades like fiberglass truck caps, service bodies, and snowplows, we have the products and expertise to get the job done right.

Our Showroom is located in Millsboro, DE where you can explore and access the knowledge of our experienced team. We are committed to providing quality products at competitive prices, backed by professional installation and dependable service. Our experienced team also offers repair and maintenance services to help keep your equipment working hard and performing at its best.

Whether you’re personalizing your daily driver, upgrading your truck for work, or maintaining the equipment you depend on, we’re here to help every step of the way.

Stop by our showroom or give us a call today! Let our team help you find the right accessories and upfit solutions to get the most out of your vehicle.

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Delmarva's LEER Fiberglass Dealer
Proud to be Delmarva's LEER Fiberglass Cap Dealer.

Your Trusted LEER Fiberglass Truck Cap Dealer in Tax-Free Delaware

Quality Products. Expert Installation. Exceptional Customer Service.

At Sussex Upfitters, we take pride in being your trusted LEER Fiberglass Truck Cap dealer in Millsboro, Delaware. Whether you’re looking to protect your truck bed, add secure storage, or upgrade your vehicle’s appearance, our experienced team is here to help you find the perfect fit.

What sets us apart? Our commitment to customer service, years of experience, and attention to every detail. From helping you select the right LEER cap to ensuring a professional installation, we believe every customer deserves personalized service and quality workmanship.

With over 170 five-star Google reviews, our customers’ satisfaction speaks for itself. We’re proud to have earned their trust by delivering the service, knowledge, and care they deserve.

And don’t forget — we’re located in tax-free Delaware, so you can enjoy the added benefit of shopping without sales tax!

Experience the Sussex Upfitters difference. Visit us in Millsboro, DE, and let us help you outfit your truck with confidence.

Why Choose Sussex Upfitters?

Experience & Expertise: 

With over 20 years of experience in vehicle upfitments, we understand the unique needs of various industries, from construction to emergency services. Our knowledgeable team ensures that each modification is done with precision and care, providing durable, functional, and safe solutions. 

Efficiency & Turnaround Time: 

We understand the importance of keeping your vehicle on the road, which is why we offer quick and efficient upfitment services. We work hard to ensure your vehicle is ready for use as soon as possible. Installations are scheduled quickly and even custom Fiberglass Caps can be installed in as little as 3 weeks!

Competitive Pricing:

Located in Tax-Free Delaware, offering competitive pricing without compromising on quality. Our transparent quotes mean no hidden costs, making us a trustworthy and a reliable partner for your vehicle upfitment. Being a family owned & operated business allows us to do what we love and keep pricing competitive.

Custom Solutions:

We know that each business has its specific requirements, therefore we offer tailored upfitment solutions. Whether you need a fiberglass cap, shelving, toolboxes, or custom storage, our team will create a solution that perfectly fits your needs.

Quote & Appointment Request

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monthly coupons & specials

RealTruck Promos
Black Friday & Shop Small Saturday Sales

Some Of Our Recent Builds

Authorized RealTruck Dealer

RealTruck’s Double Warranty program is only available through participating dealers. It essentially doubles the standard warranty period for eligible truck bed covers purchased from the participating dealer offering enhanced coverage for a longer time. * The program applies to specific, eligible truck bed covers, so be sure to check with us to see which products qualify. *

Customer Service

We believe great customer service comes from communication, honesty and integrity. We are committed to understanding & meeting your specific needs. Taking pride in offering exceptional service before, during, and after the upfitment process.

Top-Quality

Our mission is to deliver top-quality vehicle modifications that exceed client expectations. In addition to maintaining the highest standards of safety in all of our upfits.

Personalization & Attention to Detail

Providing a personalized experience with meticulous attention to detail sets us apart from our competitors. Each client receives one on one attention ensuring that your customization is the best fit for your budget, needs, and goals.

What Our Clients Say

Curtis was a pleasure to work with. He was able to repair the lighting and wiring on my work trailers in a timely and professional manner. I highly recommend using Sussex Upfitters for any of your commercial vehicle needs.

Pat Hughes Lord's Landscaping

I am very pleased with Sussex Upfitters and the work performed on my truck. Curtis is the consummate professional both in his communication and his work performance. I will definitely use the services of Sussex Upfitters again.

Mark Flanders

 Family Owned & Operated & Committed to Our Community

Owners: Curtis & Emily Harne

We’re more than just a business – we’re a family. As a family-owned and operated company, we take pride in offering personalized service and building lasting relationships with our clients. Our commitment goes beyond providing over 20 years’ experience, high quality products and professional installation; we’re dedicated to supporting and growing alongside the community that supported us from the beginning.

We believe in the power of top-notch customer service, giving back to our community and strive to learn & grow every day. We love what we do, and we thank you for allowing us the opportunity to earn your business. Please give us a call, shoot us an email or just stop in our showroom.

We would love to meet you. – Curtis & Emily Harne

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Showroom: 29862 Millsboro Hwy. Millsboro, DE 19966