Diesel Exhaust Fluid (DEF) Cap Cover with Tether Cut-Out – Fits 2024 & Newer Peterbilt & Kenworth

LifeTime Nut Covers - Diesel Exhaust Fluid (DEF) Cap Cover with Tether Cut-Out – Fits 2024 & Newer Peterbilt & Kenworth 

Protect Your DEF Tank with Style and Durability
The Lifetime Nut Covers 0643-DEF Cap Cover is engineered for 2024 and newer Peterbilt and Kenworth models equipped with factory-style Diesel Exhaust Fluid (DEF) tanks. This premium chrome-plated cover adds both protection and shine to your DEF cap area while maintaining full tether functionality thanks to its precision-cut slot design.

Product Features
• Designed for 2024+ Peterbilt & Kenworth DEF tanks
• Chrome-plated ABS for long-lasting shine and corrosion resistance
• Tether cut-out ensures easy refueling and secure fit
• Snaps directly over the existing DEF cap for a tight, no-tools installation
• Resistant to diesel fumes, road grime, and UV exposure
• Manufactured by Lifetime Nut Covers — trusted for heavy-duty chrome accessories
• Made in the USA

Fitment
• Peterbilt 579 / 567 (2024 and newer)
• Kenworth T680 Next Gen / W990 (2024 and newer)
• Works with OEM-style DEF caps featuring attached tethers

Why Drivers Choose Lifetime Nut Covers
• Polished finish adds custom detail to any truck
• Designed for perfect fit and easy installation
• Built from durable materials that withstand long-haul abuse

Installation
Simply slide the cover over your existing DEF cap — no adhesives, drilling, or special tools required.

0643-DEF

Still looking for the perfect part? Having trouble finding it?
Call our product experts at 603-224-7370 and let us lend a hand.

WE OFFER EXPEDITED SHIPPING UPON REQUEST.   CALL FOR FASTER SHIPPING OPTIONS.   (603) 224-7370

• eCommerce website orders will be assessed standard UPS shipping charges based on destination, weight and dimensions of product(s) purchased.
• FREE UPS Shipping on orders of $1000 or more on standard ground shipments inside the continental U.S. (Alaska & Hawaii excluded)
       (Does not apply to truck freight shipping)
• Oversized, Expedited or Remote Location Shipments: the customer will be charged the cost difference over the standard ground rate.
• 50% off Truck Freight on orders of $1,500 or more*.
• Free shipping cost not to exceed 5% over retail cost of product being shipped.
• 50% OFF limited to 5% of retail cost of product being shipped.

*Phone orders only

ONLINE FREIGHT SHIPPING:
Our online freight shipping prices are estimates and may fluctuate due to factors such as package size, weight, destination, and current carrier rates. Because of these variables, the most accurate and cost-effective shipping options are often best determined through direct communication with our knowledgeable parts team. We encourage customers to call us for a personalized quote to ensure they receive the most reliable pricing and delivery options for their specific order. Orders online may be subject to additional charges or refunds due to discrepancies in freight carrier costs.

WE SHIP TO THE UNITED STATES ONLY, WE HAVE RESTRICTED BROWSING OUR SITE TO COUNTRIES IN NORTH AMERICA ONLY

QUESTIONS AND CONTACT INFORMATION

Berube’s Truck Accessories
Attn: Privacy Compliance Officer
2 Tallwood Drive
Bow, NH 03304
(603) 224-7370
info@berubes.com

Defective Products: 

Returns of defective products will receive replacement product in accordance to Manufacturer policy.

Non-Defective Products:

Returns of non-defective products must be in new resalable condition.
     - Stainless Steel Items: Stainless steel items must NOT have their protective laser film removed to qualify for a refund under Berube's return policy.

Refund:

• Returns up to 30 days from the date of purchase will be eligible for a 100% refund or store credit.
• Returns 31 - 90 days from the date of purchase will be subject to a 20% restocking fee.
• Returns over 90 days will be at the discretion of Berube’s Truck Accessories and be subject to a  25% or more restocking fee.
• Shipping will not be refunded for returned products (unless shipped defective or incorrectly by fault of Berube’s Truck Accessories).
• Receipt is required for refund.
• Refunds will be in same payment form as purchase (i.e. refunded to credit/debit card used for purchase, if the original card is not available a store credit will be issued, cash for cash, if the purchase was made by check a refund will be issued after 14 days from the date of purchase). Returns without a receipt will only receive a store credit and may be subject to a restocking fee. Return policy is subject to change.

Special Orders:

Cancellation of special orders may be subject to loss of deposit. Returns of special orders are not accepted unless product is defective.