Bestop Duster Deck Extension for Jeep Wrangler JK 4-Door (2007-2018), Black Diamond
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Warranty Information
Vendor warranty summary
Bestop Warranty
At a glance: Five years on Premium Twill fabric and EZ-Fold and EZ-Roll tonneaus, three years on Black Diamond, Denim and Sailcloth, one year on windows, hardware, zippers, seats and most other products. Original purchaser only; labor not covered.
This is Bestop's warranty, not an NVMOS policy. We've summarized it in plain English to save you a search. The manufacturer's official terms always govern and can change without notice. Last reviewed on nvmos.com: November 4, 2026.
Coverage by product line
| Bestop product | Coverage |
|---|---|
| Premium Twill fabric material (excludes hardware) | 5 years |
| EZ-Fold and EZ-Roll soft tonneau covers | 5 years |
| Black Diamond, Denim and Sailcloth fabric material (excludes hardware) | 3 years |
| eTop Twill fabric, hardware and motors | 3 years; windows 1 year from professional installation |
| Vinyl windows, soft top hardware and zippers | 1 year from purchase |
| Supertop for Truck 2 tonneau covers, seats, Retractable Sunshade and SunScreen, Pavement Ends soft tops | 1 year |
| All other Bestop products and accessories | 1 year |
What's covered
- Defects in products Bestop verifies as not meeting its standards, for the original purchaser named on the proof of purchase
- Replacement of the defective product, shipped to the address on the claim
- The correct part, sent as soon as possible, when the wrong item was packed in the box
What's not covered
- Labor to remove, repair or reinstall any item
- Misuse, abuse, accidents, vandalism, negligence, fire, improper installation, modification or improper maintenance, including home cleaning products, car washes, off-roading and garage damage
- Not following the instructions or applicable law, and use in extreme conditions
- Breakage of any kind, such as pulling into a garage with the top open or an object hitting the product
- Vinyl windows damaged by misuse, cold cracking, folding or fogging
- Damage caused by or to aftermarket and third-party parts used with Bestop products
- Natural disasters and other events a full-coverage vehicle insurance policy would cover
- Normal wear and tear
- Products bought on auction or bid sites, and closeout, open-box or used items from third-party sellers
- Transfer to a later owner, including products that came with a vehicle
- Refunds on the original purchase for parts received under warranty, and import fees, taxes or duties
How to make a Bestop warranty claim
- Register the product with Bestop; claims are only accepted on registered products, and registration supplies your proof of purchase.
- Take photos before starting the claim, including the outside of the vehicle, the damaged area or hardware and the attachment points.
- Submit the claim form on Bestop's warranty page within 30 days of finding the defect, with up to 8 photos.
- Keep the confirmation email and case number; reply to it only to change the shipping address or send more photos.
- Report shipping damage or missing parts within 30 days of delivery, with photos and proof of purchase.
Bestop contact: Bestop warranty line: 1-800-845-3567 (ask for a callback for a response by end of business); claim form and product registration at https://www.bestop.com/?p=6052 · Warranty page
Bought it from NVMOS? Start with us.
Bestop wants the product registered, photos taken and the claim filed within 30 days, and the term depends on the fabric and part. Contact NVMOS first: we have your order record, can help you work out which term applies and will help you file the claim with Bestop. Report any shipping damage or missing parts to us right away. Have your order number and a few photos of the issue ready, then call or text us at (920) 249-7744 or send us a message.
Shop Bestop at NVMOS
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See all Bestop products, lead times and FAQs →
Disclaimer: The information on this page describes Bestop's own warranty policy. It is not a warranty offered by NVMOS (No Visible Means of Support LLC). Manufacturers update their terms at any time; we review these pages periodically, but the manufacturer's current official policy is the one that applies to your claim. Sources: Bestop warranty information (official) and Bestop About Us (official) and Kinderhook Industries: Bestop acquires Tuffy Security Products, August 2016 (owner press release). Last updated on nvmos.com: November 4, 2026. See our return policy for NVMOS's own terms.
About the brand
Bestop has made soft tops for Jeeps since 1954 and has supplied the factory soft top for the Wrangler for more than three decades. At NVMOS we carry its soft tops, bikini and bimini tops, doors, seats, soft tonneau covers and storage for the Jeeps, Broncos and pickups we support.
Based in: Louisville, Colorado · Made in: North America (Bestop says all Bestop-branded soft tops are designed and made in North America) · Lead time: In-stock parts ship in 1-3 business days; parts stocked at the manufacturer take about 1-2 weeks.
Shop all 525 BestopWarrantyAll brands
Warranty terms are set by Bestop, not NVMOS, and can change. Bought from us? Call (920) 249-7744 and we'll handle the claim with the brand.
Bestop Duster Deck Extension for Jeep Wrangler JK 4-Door (2007-2018), Black Diamond
The Bestop Duster Deck Extension adds coverage forward of a Duster Deck Cover on the four-door JK. Fold the rear seat down and the pair covers the cargo floor right up to the backs of the front seats. It suits owners who haul more gear with the back seat stowed.
| Spec | Detail |
|---|---|
| Fitment | Jeep Wrangler JK 4-Door (2007-2018) |
| Works With | Bestop Duster Deck Cover #90031 |
| Color | Black Diamond |
| Includes | One Duster deck cover extension |
| Weight | 4 lb |
This extension is used with the Bestop 90031 Duster Deck Cover for the JK 4-Door, which is sold separately, and covers the area ahead of it with the rear seat folded down. Bestop install instructions: download the PDF. Not sure it fits your build? Call or text us at (920) 249-7744 with your year, trim and setup and we will confirm it.
Will it fit my Jeep?
It fits the Jeep Wrangler JK 4-Door (2007-2018).
Do I need a Duster too?
Yes. It is designed to be used with Bestop Duster #90031.
What does it cover?
Fold the rear seat down and the extension covers the floor up to the backs of the front seats.
What is the warranty?
See our Bestop warranty page for the current terms.
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Specifications
Bestop Duster Deck Extension for Jeep Wrangler JK 4-Door (2007-2018), Black Diamond FAQs
Will it fit my Jeep?
It fits the Jeep Wrangler JK 4-Door (2007-2018).
Do I need a Duster too?
Yes. It is designed to be used with Bestop Duster #90031.
What does it cover?
Fold the rear seat down and the extension covers the floor up to the backs of the front seats.
What is the warranty?
See our Bestop warranty page for the current terms.
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