Description
Description
Diesel fuel can be gravity fed directly into your OEM diesel fuel tank with an Auxiliary Fuel Line connection kit.
Less Time at the Pump Means More Time on the Road
Dee Zee’s Auxiliary Fuel Line Connector Kit turns your Dee Zee Auxiliary tank into a portable refueling station by giving you the ability to refuel your diesel fuel tank via gravity feed system.
Connect your Dee Zee Auxiliary Tank (sold separately) directly to your vehicle's fuel line to refill your tank whenever needed.
It’s All in the Box
Our conversion kit is proudly Made in the U.S.A and includes all hoses and mounting hardware to complete the conversion. Simplified shut-off valve to start and stop diesel fuel transfer ensures fool proof operation.
Dee Zee Auxiliary Fuel Line Connector Kit Features:
- Feed Diesel Directly Into Your Fuel Line
- All Hoses and Hardware Included
- Some Cutting Required on the OEM Fuel Hose
- Designed To Work With A 3/8" Female Pipe Thread Drain Fitting
- Shut-off Valve to Start and Stop Diesel Fuel Transfer
- Flow Valve Must be Closed During Vehicle Operation
- Gravity System Not Intended for Continuous Fuel Transfer
- Only For Use With Transfer Tanks Meeting Federal DOT Requirements
- Made in USA
*Diesel fuel valve must be closed during vehicle operation and only opened to gravity feed the vehicle diesel tank during stops.
**Continuous fuel transfer to the vehicle tank may cause check engine alarms in newer vehicles. Some cutting may be required of the OEM fuel hose.
***Listed for diesel fuel operation only.
Product Specifications
Product Specifications
Vehicle Fitment
Vehicle Fitment
Install Details
Install Details

PRODUCT VIDEOS
PRODUCT VIDEOS
Where Here to Help!
Have a question or having trouble making a decision about what product is best for your vehicle and needs? Give our experienced customer service a call!
What shipping methods are available?
Shipping methods vary depending on the item. Many heavy or oversized products ship via LTL freight to help prevent damage in transit, while smaller items ship parcel; and some parcel orders can even be upgraded to freight for added protection. Many products also ship free, and your total shipping cost will always be shown at checkout before payment.
What payment methods do you accept?
We accept all major credit cards along with Apple Pay, Google Pay, PayPal, Shop Pay, and Shop Pay Installments. Government agencies, municipalities, and large fleet customers can also pay via purchase order with approved terms—just contact our customer service team before placing your order.
How long will delivery take?
Most orders ship within 1 business day from one of our warehouse locations. Typical transit times are 1-3 business days for parcel shipments and 3-5 business days for LTL freight, though delivery times may vary based on your location and carrier conditions. If an item has an extended lead time, it will be clearly noted on the product page.
What is your return policy?
Most unused items can be returned within 60 days of purchase. Every order is also backed by our Upfit Shield Guarantee for added peace of mind. For full details, including return eligibility and warranty coverage, please review our Return Policy page.
More detailed information can be found by going to www.P65Warnings.ca.govTrusted By The Pros At