aFe · New
aFe Diesel Fuel Systems DFS780 Series 11-12 Dodge Diesel 6.7L L6 (Part Time Operation)
MPN 42-12034 · Store SKU afe42-12034
Supplier stock checked 11/7/2026, 7:38:37 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The diesel fuel in your truck contains contaminants dirt, water and air/vapor which is reducing power and damaging your diesel fuel injectors. aFe's POWER DFS780 Diesel Fuel System, with its patent-pending design, is capable of removing power-robbing debris such as air, water and other contaminants. The DFS780 also boosts fuel pressure ensuring constant availability for the high-pressure pump, improving throttle response and horsepower at all RPMs. DFS780 Fuel Pump (Boost Activated) Dodge Diesel Trucks 11-12 L6-6.7L (td) DFS780 Fuel Pump (Boost Activated)
Manufacturer fitment & guides
Check 42-12034 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- California Proposition 65: Y