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The Duramax LML Fass 165GPH system is one of the most important diesel LML engine upgrades any owner can preform. Fass Duramax systems are shipped complete with everything need to install properly. This install can be done by any capable home do it your self truck owner. The Fass Duramax LML lift pump is a backed with a lifetime warranty, meaning this is the last fuel pump to ever be purchased for your LML. The Fass 165 pump comes with a superior 2 micron fuel filter to keep all sorts of the smallest debris away from your fuel injectors while the water/air separator removes harmful air bubbles from the fuel system
1. Removes Stress on CP4 Pump
2. Cleans Fuel, Removes Water
3. Prolongs LML Injector Life
4. Allows Ample Fuel For Future Upgrades
5. Warrantied For Life
The Fass Duramax LML Fuel System will be the most beneficial aftermarket add on for your Silverado Sierra Duramax diesel engine, the most important reason is the LML Duramax doesn’t come with a factory lift pump like other diesel trucks. Not having a factory lift pump requires the CP4 injection pump to pull fuel under a vacuum. This adds more strain to the CP4 Pump and allows more damaging air bubbles into the fuel. The Fass LML kit eliminates all this.
2011-2014 DURAMAX 165GPH LIFT PUMP FEATURES:
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Fitment Table:
| 2011 GMC Sierra 6.6L Diesel Duramax LML Fass Fuel Pump System 165GPH |
| 2012 GMC Sierra 6.6L Diesel Duramax LML Fass Fuel Pump System 165GPH |
| 2013 GMC Sierra 6.6L Diesel Duramax LML Fass Fuel Pump System 165GPH |
| 2014 GMC Sierra 6.6L Diesel Duramax LML Fass Fuel Pump System 165GPH |
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Coops Custom offers custom products and custom bundles with certain products, if you have a major project and you need more than one part please contact us at 800-214-6218.
| Fender Flares: | Available in color match colors. |
| Colored Matched Bud Shields: | Most of our AVS bug shield are avialble in color match. |
| Power Combos: | We offer bundles of tuners, exhausts and air intakes. |
| wheels and Tires: | Coops offers mounted and balanced Wheel and Tire Combos. |
Coops Customs General Aftermarket Auto Part FAQ.
