High Pressure Fuel Pump, 3.0L Duramax, LM2, LZ0 | 2020 - 2026

GM High Pressure Fuel Pump | 2020–2026 3.0L LM2 & LZ0 Duramax

Restore reliable fuel delivery and engine performance with the Genuine GM High Pressure Fuel Pump for 2020–2026 GM 3.0L LM2 and LZ0 Duramax engines. This OEM replacement pump delivers the high fuel pressure required for proper common rail injection system operation, supporting efficient combustion and consistent engine performance.

Designed, engineered, and tested to GM original equipment standards, this direct-fit replacement provides factory-quality compatibility and dependable operation. Ideal for replacing a worn, damaged, or failing high-pressure fuel pump, this brand-new GM component requires no core return.

Key Features

• Genuine GM original equipment replacement
• Brand-new high-pressure diesel fuel injection pump
• Direct-fit replacement for compatible LM2 and LZ0 engines
• Maintains proper fuel pressure for common rail injection
• Supports reliable fuel delivery and engine performance
• Designed and tested to GM OEM standards
• No core charge or return required
• Replaces GM Part Number: 55510777

Benefits

The GM High Pressure Fuel Pump restores proper fuel pressure and delivery to the diesel injection system, helping maintain consistent engine operation, combustion efficiency, and factory performance. Its OEM construction ensures reliable fitment and functionality without aftermarket modifications.

Fitment

2020–2026 GM vehicles equipped with the 3.0L LM2 or LZ0 Duramax diesel engine, including compatible Chevrolet Silverado, GMC Sierra, Tahoe, Suburban, Yukon, and Cadillac Escalade.

What's Included

• (1) Genuine GM High Pressure Fuel Pump – 40009053