Advanced Flow Engineering

CARB Executive Order · Other Engine Part

EO D-550-34

Advanced Flow Engineering · DFS780 Fuel System

Executed
September 2018
Rows shown
—
PDF pages
3
Open the original EO PDF
We show basic details only for this EO. Its vehicle list is not a ruled table we can read reliably (often a scanned table or a list in the text), so we do not copy it. Check the vehicles and part numbers in the original PDF.

What the EO says about the part

The DFS780 Fuel System is an add-on diesel fuel lift pump with integrated fuel filter and water separator that is designed to be installed on the frame rail of the truck near the fuel tank, in series between the fuel tank and the factory fuel lift pump.

Quoted from EO D-550-34. The EO exempts the part from California Vehicle Code Section 27156 only for the vehicles it lists.

More EOs from Advanced Flow Engineering

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All 61 Advanced Flow Engineering EOs we read All vehicles with an EO-listed other engine part

Source: CARB Executive Order D-550-34 (PDF), retrieved November 11, 2026. EOs can be amended, superseded or revoked; CARB's copy is the authority. Independent reference, not affiliated with CARB.