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
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Order Processing Time:
Orders are usually processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days.
Shipping Methods:
Standard Shipping (3-7 business days)
Expedited Shipping (2-3 business days)
Express Shipping (1-2 business days)
Packaging:
Rest assured that all items will be securely and safely packaged to prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
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