Replace your leaking return line gaskets in your 01-04 6.6L LB7 Duramax. Dorman's Fuel Injection Return Line and Gasket effectively protects against leaks that could cause fuel pressure to drop, preventing possible subsequent engine damage. The gaskets should be replaced any time the fuel injectors are serviced. This kit includes 5 fuel line gaskets.
- Stops leaks from forming between the fuel rails and fuel injectors
- All necessary gaskets included for a complete repair
- Provides a fuel-tight fit
- A necessary safety item for preventing fuel leaks
Warranty is limited to manufacturer warranty. This information can be found directly on the manufacturers website.
All Price Diesel Performance engines and transmissions carry a 2 year unlimited mileage warranty.
*See warranty page for additional details and policy.
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
ALL returns are subject to a 30% restocking fee.
To start a return, you can contact us at firstname.lastname@example.org. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at email@example.com.
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
Orders Over $99