A leak defender is an important tool for detecting leaks.
A leak defender is an aluminum seal ring that has been used to protect the water from leaks.
A close up of the top of a bottle cap
A leak defender is an important tool for detecting leaks.
A leak defender is an aluminum seal ring that has been used to protect the water from leaks.
A close up of the top of a bottle cap

Refurbished Leak Defender® for Peterbilts

$199.99

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2-PC. Fuel Tank Adapter System Consisting of a Collar + Fuel Cap. Designed to Stop Fuel Cap Leaks on Peterbilt Trucks. 100% Money Back Guaranteed!

NOTE:

Refurbished Leak Defender® Products – Same Guaranteed Performance, Discounted Due to Cosmetic Flaws

These are refurbished Leak Defender® units—not brand new. Each product has been carefully inspected and tested to ensure full functionality, and is guaranteed to stop your fuel tank neck leaks just like our new versions.

Refurbished products may have cosmetic imperfections, such as:

  • Surface scratches

  • Discoloration

  • Signs of previous installation or handling

These imperfections are visual only and do not affect performance, durability, or fit.

✔️ 100% Money-Back Guarantee still applies—if we cannot resolve your leak through our troubleshooting process.
❌ Final Sale – Refurbished products cannot be returned for cosmetic reasons or buyer’s remorse.

⚠️ Limited Availability – Orders may be canceled or delayed if the refurbished item you selected is out of stock at the time of fulfillment.

By purchasing from this page, you are acknowledging that you are buying a refurbished item. If appearance is important to you, we recommend purchasing a brand new Leak Defender®.

Sold Individually. If You Have Dual Tanks, You Will Need To Purchase Two. International shipment of items may be subject to customs processing and additional charges.

Check Out How to Easily & Quickly Install the Leak Defender® Here.

In stock

COUNTRY OF MANUFACTURE

USA
BRAND

Leak Defender®
MPN/SKU

LEA-KIT-P02-REF
UPC

850009771032
COLLAR PATENT

9341301
CAP PATENT

D756280

Description

  • Leak Defender® Cap & Collar Kit For Peterbilt Trucks
  • Fits Models With 1/4 Turn Non-Threaded Fuel Filler Neck

Introducing the Leak Defender® Cap & Collar Kit specifically crafted for Peterbilt trucks, a premium addition to your inventory of heavy-duty truck parts. Engineered to fit models featuring 1/4 turn non-threaded fuel filler necks, this innovative product ensures a seamless and durable solution for your customers’ fuel tank needs.

Providing a secure sealing surface for Peterbilt trucks, the Leak Defender® Cap & Collar Kit is engineered to deliver superior performance and reliability. Crafted with precision from high-quality materials, this product is proof of Heavy Truck Solutions’ dedication to offering top-tier fuel tank parts for wholesalers, fleet owners, and truck operators looking to enhance the performance of their Peterbilt vehicles. Elevate your inventory with the Leak Defender® Cap & Collar Kit and provide your customers with a trusted solution for their Peterbilt fuel tank requirements.