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Call or Text (352) 722-5295The lift pump on the 2007.5-2009 Ram 6.7L Cummins
Fuel on these trucks starts at an in-tank electric lift pump module. It pushes fuel forward to a single engine-mounted canister filter on the driver side, then to the gear-driven Bosch CP3 high-pressure pump, the common rail and six solenoid injectors. Rail pressure peaks around 26,000 psi. The CP3 is the same robust family used on the 5.9L, so most fuel-system work on these trucks is filters, lift pump supply and injectors rather than the high-pressure pump. That puts the lift pump near the top of the list, because the CP3 can only build rail pressure from the fuel it's fed. More parts for this engine are on our Cummins page, and you can browse pumps in our lift pumps category.
What fails and why
The factory in-tank pump is a single gerotor unit, and Fleece, which builds a replacement, points to its limited flow margin as the weak link once fuel demand climbs. The reported symptoms are low rail pressure codes (P0087), hard starts after the truck sits, stumbling under load, and problems that get worse below a quarter tank. Mileage varies, and owners often first notice it when towing. Before you blame the pump, check the fuel filter. Filter neglect is the top preventable fuel problem on these trucks, and it brings the same loss of power and rail pressure codes. Chrysler calls for the engine filter every 15,000 miles or 12 months, or sooner if the dash warns you.
Stock replacement vs. upgrade
There are two basic directions. One is to stay in the tank with a drop-in replacement module. A dual-gerotor in-tank replacement built for these years can keep the factory water-in-fuel sensor, fuel heater and lines, and needs no sump or draw straw. The other is a frame-mounted pump, which pulls fuel from the tank through a sump or draw straw; the frame-mount systems listed for these trucks add a water separator and fine filter ahead of the factory canister. Fleece points out that an in-tank bucket design avoids the quarter-tank starvation that sump and draw-straw setups can see. Either way, the plumbing has to match the pump, and that's where adapter fittings come in.
What we carry
This page holds a plumbing piece from Fleece Performance Engineering: the FPE-QUCON-OE-38, a 3/8-inch quick connect to -8AN male adapter for the sending unit, listed for 2007.5-2018 6.7L Cummins trucks. It turns the 3/8-inch quick-connect fitting at the sending unit into a -8AN male fitting, so you can run AN-style hose and fittings from that point. It's a part for a fuel system you're building or replumbing, not a pump by itself.
Fitment notes
Lift pump modules for these trucks split three ways: 2005-2009, 2010, and 2011 and newer. A 2007.5-2009 truck takes the 2005-2009 module, not the 2010 part, so don't let a 6.7L label alone steer you to the wrong one. The Fleece adapter's listing runs 2007.5-2018. On the filter side, 2007.5-2012 trucks have a single engine-mounted filter, so a 2013-and-newer two-filter kit does not apply. The 2007-2009 filter element also differs from 2010-2012, and 2009 trucks got an updated housing and element, so confirm the filter by VIN before ordering.
Frequently asked questions
Is the Fleece quick-connect adapter a lift pump?
No. It's an adapter fitting that goes from the 3/8-inch quick connect at the sending unit to a -8AN male fitting. You'd use it when plumbing AN-style fuel line into the system. The pump itself is a separate part.
How do I know my lift pump is getting weak?
Watch for low rail pressure codes (P0087), hard starts after the truck sits, stumbling under load, and trouble that gets worse below a quarter tank. Check the fuel filter first, since a neglected filter causes loss of power and rail pressure codes too. Chrysler's interval is 15,000 miles or 12 months.
Will a 2010 lift pump module fit my 2009?
No. The modules split 2005-2009, 2010 and 2011 and newer, and a 2007.5-2009 truck takes the 2005-2009 version. If you're not sure what you've got, give us the VIN and we'll check before you order.
Do I need a sump to upgrade my lift pump?
Only if you go frame-mounted. A frame-mounted pump pulls fuel through a sump or a draw straw. An in-tank drop-in replacement module needs neither, because it sits where the factory pump was.
Not sure what fits? Call the shop at the number in the header, or use the fitment checker on any product page. We install everything we sell.