
ARCO FP001 mechanical fuel pump
Select Johnson/Evinrude 2-cylinder 10–55 HP, 3-cylinder 60–85 HP and V4 88–140 HP outboards.
Common OEM references: 0438556, 0398338, 0388268.
View FP001 product detailsJohnson and Evinrude outboards can use different mechanical fuel pumps even when the engine horsepower looks the same. The ARCO FP001, FP002, FP003 and FP004 replacement assemblies are distinct part numbers. Use the original pump number and your engine's full model identification to find the right one.
The engine ranges and replacement numbers below are drawn from ARCO's individual FP-series product information. An engine can fall within a general range yet use a different pump: use the model-specific parts diagram to establish the correct original pump number.
| ARCO MPN | Manufacturer-listed applications | Selected OMC original numbers | Sierra reference |
|---|---|---|---|
| ARCO FP001 | Select Johnson/Evinrude 2-cylinder 10–55 HP, 3-cylinder 60–85 HP and V4 88–140 HP outboards | 0438556, 0398338, 0388268 | 18-7352 |
| ARCO FP002 | Select 1981–1998 Johnson/Evinrude 6, 8, 9.9 and 15 HP outboards | 0397839, 0397274, 0395091 | 18-7350 |
| ARCO FP003 | Select 1993–2007 Johnson/Evinrude 9.9 and 15 HP outboards | 0438562, 0434728, 0777779 | 18-7351 |
| ARCO FP004 | Select 1990–2005 Johnson/Evinrude 20–35 HP outboards | 0438555, 0433386, 0777764 | 18-7353 |
Will FP001 fit every Johnson/Evinrude 10–55 HP outboard? No. The manufacturer gives that as one application family, not an all-model interchange guarantee. Cylinder count and the original assembly number still matter.
Is FP004 interchangeable with FP001 because both mention 20–35 HP? No. They have different ARCO and OEM cross-references. Match the engine's parts list instead of choosing by horsepower.
Does a new fuel pump fix every fuel-delivery problem? No. A damaged hose, blocked filter, faulty connector or fuel-tank vent can produce other fuel-flow symptoms; identify the cause before replacing parts.
Each product card leads to its matching ARCO part number at NewRVParts. Check the listing for the supplied assembly and current availability.

Select Johnson/Evinrude 2-cylinder 10–55 HP, 3-cylinder 60–85 HP and V4 88–140 HP outboards.
Common OEM references: 0438556, 0398338, 0388268.
View FP001 product details
Select 1981–1998 Johnson/Evinrude 6, 8, 9.9 and 15 HP outboards.
Common OEM references: 0397839, 0397274, 0395091.
View FP002 product details
Select 1993–2007 Johnson/Evinrude 9.9 and 15 HP outboards.
Common OEM references: 0438562, 0434728, 0777779.
View FP003 product details
Select 1990–2005 Johnson/Evinrude 20–35 HP outboards.
Common OEM references: 0438555, 0433386, 0777764.
View FP004 product detailsIf the fuel line or filter is also being serviced, see our marine fuel-line and primer-bulb guide and inline fuel-filter identification page. Those accessories have their own compatibility requirements and are not interchangeable with the fuel pump.
NewRVParts is an online-only source for brand-new RV parts and accessories, truck camper equipment, towing and trailer parts, truck accessories, and marine products. We serve customers throughout Canada and the United States, with products from trusted manufacturers shipped through a large North American distribution network. Shop online for replacement parts, equipment, and accessories delivered directly to your door.
Shop RV Parts