The assembly features a plug-and-play installation and incorporates several upgrades while maintaining OEM form, reliability, and functionality.
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Volkswagen Golf Engine Fuel Parts
- Cleaner
- Filler
- Filter
- Injection Pump
- Injectors
- Lines
- Pressure Gauge
- Pressure Regulator
- Pump
- Rail
- Sending Unit
- Sensor
- Tank
- Valve
- Water / Meth Injection
Keep your fuel to yourself
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Upgrade your 2.0L TDI’s reliability and fueling capacity with HPA’s Bosch CP3 kit—eliminating the failure-prone CP4 for proven, stable rail pressure and OEM drivability built to handle real power.
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Perfect for swaps or upgrading your existing system
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Includes sending unit
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Quick connect union T-fitting for 1/4" Nylon
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Located between the retaining ring and fuel tank
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Seals the high pressure fuel pump to the cylinder head. 31x2mm
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One kit services one injector
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Fits lower section of the injector
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Keep your fuel rail from leaking.
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Set of seals to install injectors, one set required per injector
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Located between the retaining ring and fuel tank
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Pressure sensor found opposite of fuel pressure regulating valve on the fuel rail. M18x1.5
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This product was last offered at the strikethrough price on
05-29-2026
Located underneath your vehicle near the fuel tank
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Includes sending unit
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For vehicles with VIN from 1J-44000 001 only, split is in the 2004 model year