crusader-big-block-carter-fuel-pump

Our goal is to educate you about the purpose and function of many of the boat and marine parts required to keep your boat running smoothly. Whether you're a veteran seaman or a novice, one thing you all know is that a boat comes equipped with hundreds of moving parts.

No one person can know everything there is to know about the proper functioning of every boat part. That's why we've tapped the collective wisdom of our long-time technical experts to share their knowledge and expertise.

What You Need to Know About the Crusader Carter Fuel Pump

The Crusader big block fuel pump is unique to the 454 and 502 Crusader marine engine using a mechanical fuel pump. The pump is a Carter Fuel System design built to Crusader's specifications with the pump inlet and outlet located in the proper position.

This is a USCG approved diaphragm-type, positive displacement pump, mechanically operated by a lever arm. It was used from the mid-1980s through the mid-1990s on the Crusader 454 and 502 cubic inch engines. It replaced the earlier design AC Delco fuel pump used by Crusader and is available in kit form to update older engines with that fuel pump design.

If the diaphragm fails in an automotive pump, it will spill the fuel on to the ground or into the crankcase of the engine depending on the design. There are safety factors involved in all marine mechanical fuel pumps. They have to be U.S. Coast Guard approved. There’s also an SAE (Society of Automotive Engineers) certification it must meet to be used on a marine engine.

A marine pump is sealed and isolated from the crankcase of the engine, so if the diaphragm fails, the fuel will be drawn to the engine carburetor and consumed by the engine.

Marine Parts Troubleshooters On Call

Once a boat part has failed, it's obviously too late to repair it. When possible we've provided tips on simple ways to maintain a part to cut your cash outlay. We know you'd rather be on the water having fun than on the dock calling your marine mechanic.

That said, if you need help troubleshooting a system failure, give our technical experts a call at 866-388-0390. They'd be happy to steer you in the right direction.