Quick connect union T-fitting for 1/4" Nylon
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2012 Mercedes Benz S550 Base Sedan 221.173 V8 4.6L Engine Fuel Parts
- Cleaner
- Filter
- Injectors
- Lines
- Pressure Regulator
- Pump
- Sending Unit
- Sensor
- Tank
- Water / Meth Injection
Located at the base of the fuel injector
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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!
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Includes O-ring - High Pressure Pump On Engine
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Secures fuel pump into tank
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Includes injector seal
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Located at the base of the fuel injector
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For High Pressure Fuel Pump
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This product was last offered at the strikethrough price on
05-07-2026
One (1) Required Per Fuel Injector.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms