The stock HPFP on the M278 Motors is severely limited in capacity when trying to raise the output of the motor. The FX-170 adds 50% more flow, raising the fueling limits and helping you achieve more power!
2013 Mercedes Benz S550 4Matic Sedan 221.194 V8 4.6L Engine Fuel Parts
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$3499.00 USD
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Includes O-ring - High Pressure Pump On Engine
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$417.99 USD
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on orders $49 and up
Includes injector seal
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$375.99 USD
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For High Pressure Fuel Pump
Back Ordered
$34.99
$30.99 USD
This product was last offered at the strikethrough price on
05-07-2026
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One (1) Required Per Fuel Injector.
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$23.99 USD
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on orders $49 and up
More About Engine Fuel Parts
ECS Tuning has made it simple to find the perfect fuel system parts for your car. Whether you're replacing OEM fuel system parts or building a high-flow fuel system for a performance car, ECS Tuning has fuel pumps, fuel injectors, fuel filters, and more from respected names like Bosch, Siemens, and Genesis.