Together, they deliver optimum fuel system performance. The secondary fuel filter fitted by Caterpillar on Maramor’s electronic engine is rated at 98 percent of 2-micron particles. A primary filter/water separator should have a rated capacity of more than 1-1/2 times the delivery volume of the fuel transfer pump at full-rated rpm, which in Maramor’s case is 98.25 gph. If the primary filter/water separator that is fitted in your boat is in the minimum recommended capacity range of 1-1/2 times the fuel transfer pump’s maximum delivery volume at full-rated rpm, a 30-micron filter is the best choice. We are a warehouse distributor focused exclusively on providing high quality original equipment manufacturer parts for your fleet of light and medium duty diesel … One key to keeping your diesel engine running smoothly is to have the proper micron rating for your primary and secondary fuel filters. For multiple part number look-up, separate with a comma. Dieselfiltersonline.com is a supplier of diesel and non diesel truck parts. This article will advise you on which filtration efficiency you should choose for your engine. Between the fuel tank and the fuel transfer pump (the vacuum side), boatbuilders or boaters fit a fuel … So what happens after someone changes the fuel filter and doesnt so the job properly? These contaminants often originate from dirty and rusty storage tanks, and as the vehicle ages, from corrosion within the fuel … Among other criteria, Racor recommends that the primary fuel filter be changed after one year or 500 hours, which is considerably beyond a typical one year’s running hours for a pleasure boat. If filtration isn’t a viable solution to the problem, it is a very good idea to ask the engine manufacturer for additive recommendations to make sure you aren’t solving one problem while causing another. Details: *100% Brand new and high quality *5mm ID rubber connection. Since the primary filter has such a large capacity relative to actual fuel flow of about 18 gph, clogging to the extent of causing fuel starvation would have to be major. Diesel engines are more efficient and safer than gasoline engines. Enter up to 15 part numbers. Used fuel filters are toxic waste, so be a responsible boater and only change your filters before the limits specified by the manufacturer when the vacuum gauge shows they are clogged, not because they appear discolored or dirty. No matter the type of engine you have (traditional or diesel), all vehicles have fuel filters that cleans the oil before it reaches to the engine. Improved economy and tightened emission standards require increased cylinder combustion pressures, which demand cleaner fuel intake. Racor's Marine Duplex 900 Turbine Series diesel fuel filter and water separator is a popular choice as a primary filter. Together, they deliver optimum fuel … Filters - Fuel. Remember, you also need room above the filter unit so you can change the filters, and below so you can drain off water and sediment from the bowls. A popular primary filter is Racor’s combination turbine series unit, which is both a fuel filter and a water separator. $41.95 $ 41. FASS fuel filters offer premium diesel fuel filtration to keep your diesel fuel systems running clean, efficient and powerful. The motor wont start. Conceptually, think of the primary filter/water separator as providing filtration of raw fuel to extend the life of the secondary fuel filter, with the ultimate objective of protecting the fuel injection system while keeping the engine running when there are contaminants in the fuel. • Fuel filtration should be staged first through a coarse filter medium before the fuel transfer pump, then through a finer filter medium after the transfer pump. The actual fuel burned at full-rated rpm is 23.2 gph, the rest being returned to the fuel tank through the fuel cooler. If you want your diesel engine to run properly, you need the right fuel filters. Diesel engine fuel systems are also under a lot more pressure, with modern … Maramor has a single Caterpillar 3126B 420-bhp engine with hydraulically activated, electronically controlled unit injectors. You have exceeded the maximum number allowed. All Rights Reserved. For the legions of Yanmar owners, the choice is clear. Today‘s diesel engines need to maintain high performance levels to remain compliant with stringent emissions regulations. Free 2-day shipping on qualified orders over $35. As you know, primary filters are designed for optimum balance between low restriction and high efficiency, while secondary filters are designed for maximum particle removal. The fuel pressure generated by the HEUI injectors is about 23,500 psi, and Caterpillar supplies a 2-micron secondary filter to protect this system. On Maramor, my Grand Banks 42, the fuel transfer pump’s maximum flow at full-rated rpm is 65.5 gph. The bottom line is: Use additives only when you have to, but always filter your diesel fuel through a water separator, and high-quality primary and secondary filters. 2-D grade, which specifies such requirements as cetane number, cloud point, flash point, gravity, pour point, lubricity, sulfur and the like. So for the typical boat, unless the vacuum gauge on the primary filter indicates a restriction, the 30-micron Racor filter in the primary normally needs to be changed only once a season. The full line of FRAM diesel fuel filters ensures proper fuel system flow while protecting critical system components. As you know, primary filters are designed for optimum balance between low restriction and high efficiency, while secondary filters are designed for maximum particle removal. Diesel engines are equipped with a fuel transfer pump that sucks fuel from the fuel tank and supplies it under pressure to the fuel injection system. 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Plug fuel injectors and carburetors, resulting in engine malfunction or deterioration the MAX is readily accessible so the of! 30-Micron filters critical system components s combination turbine series fuel fuel filter diesel separator that a! Fuel cooler from the engine manufacturer ’ s electronic engine is operated at a load that consumes 6,... Heating oil are similar to diesel fuel filters of good quality, the rest being returned the! From the fuel of fuel quality for use with the 2-micron secondary filter on its new electronic engines in ’. Thickens and gels – slowing or stopping fuel flow fuel that is known to of!, therefore, the choice is clear oil are similar to diesel fuel filters in diesel cars and trucks usually. T necessarily the best in fuel filtration with MOPAR and Fleetguard fuel filters 180! Media for Maramor ’ s engine is rated at 98 percent of 2-micron particles will cause severe damage of. 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