Bosch 66862 Direct Injection High Pressure Fuel Pump

Direct Injection Fuel Pump

Bosch 66862 is a new direct injection high pressure fuel pump for gasoline applications. It is built with a bolt-on mounting design, an integrated filter, and electrical connections that support a clean, service-focused replacement for the fuel system.

Compatible with Jeep Wrangler and Jeep Cherokee applications, Bosch 66862 is a practical choice when the original high pressure pump is no longer maintaining proper fuel delivery. This Bosch GDI High Pressure Pump is produced and tested to Bosch OE-level standards for consistent service life.

Key Features

• New direct injection high pressure fuel pump for gasoline systems
• Bolt-on mounting design for straightforward replacement
• Integrated filter included in the pump assembly
• External in-line pump configuration
• Square/rectangle female connector with blade terminals
• Compression outlet with 14 mm outlet size and M16 x 1.5 outlet fitting

Detailed Description

The Bosch GDI High Pressure Pump, part number 66862, is engineered for direct injection fuel delivery in gasoline vehicles. It uses a quick-connect inlet, a compression outlet, and an external in-line layout, making it a fitment-focused replacement for Jeep Wrangler and Jeep Cherokee fuel system service. Bosch builds this pump on the same production lines used for OE fuel pumps and tests it to the same quality standards.

Part number 66862 is cross-referenced to 5281484AB for the same application. When replacing a failing high pressure fuel pump, this Bosch 66862 unit helps restore proper fuel pressure delivery and supports consistent engine operation in direct injection systems.

What It Is Used For

• Replacing a worn or failing direct injection high pressure fuel pump
• Addressing hard starting caused by inadequate fuel pressure
• Correcting fuel delivery issues in gasoline direct injection systems
• Resolving drivability problems linked to inconsistent pump output
• Restoring proper operation after fuel system pressure loss

Installation Notes and Tips

Verify connector style, inlet and outlet sizes, and mounting type before installation. This pump does not include mounting hardware, a gasket or seal, or a wire harness. Confirm vehicle-specific fuel system requirements for Jeep Wrangler and Jeep Cherokee applications before replacing Bosch 66862.

Quality Assurance

Bosch manufactures this pump to the same exacting standards used for its OE fuel pumps. The Bosch GDI High Pressure Pump line is built for consistent quality and reliable service life.