294200-2760 294009-1372 Common Rail SCV Suction Control Valve Application For Isuzu Toyota Mazda

294200-2760 294009-1372 common rail SCV Suction Control Valve application for Isuzu Toyota Mazda is a core component specifically designed by DENSO for high-pressure common rail diesel systems. Utilizing precision electromagnetic control technology, it ensures stable fuel pressure and optimizes engine combustion efficiency. This valve features high-temperature resistance and anti-corrosion properties, making it suitable for demanding diesel engine operating conditions.

 

 

Primary compatible pump: DENSO HP4.2 high-pressure common rail pump

Other compatible pumps: DENSO HP4.1 (ECU compatibility verification required), select Bosch CP4.2 high-pressure pumps (adapter kit required)

 

 

This SCV valve is primarily used in the following vehicles:

Toyota Hilux (2018-2023 models) equipped with 1GD-FTV 2.8T diesel engine

Toyota Land Cruiser Prado (2017-2023 models) with 1GD-FTV 2.8T diesel engine

Mazda BT-50 (2020-2023 models, shared platform with Ford Ranger) featuring SKYACTIV-D 2.2T diesel engine

Isuzu D-Max (2019-2023 models) paired with 4JJ3-TCX 3.0T diesel engine

 

 

 

OEM replacement: 294200-2750 (standard version)

Third-party certified alternatives: Bosch 0281002875, SMP SCV-503 (ISO 9001 certified)

 

 

Pre-Installation Preparation

Safety operations: Ensure engine is off, disconnect negative battery terminal, and release fuel system pressure.

Tool checklist: 10mm socket wrench, torque wrench (set to 8-10 N·m), new seal ring (DENSO P/N: 09300-00105).

Removing Old SCV Valve

Locate SCV valve on high-pressure fuel pump (typically on pump side).

Disconnect electrical connector (press clip first, then pull out).

Loosen mounting bolt with 10mm socket and carefully remove old valve ( avoid contaminant entry into pump).

Installing New SCV Valve

Clean contact surface: Wipe pump mounting surface with lint-free cloth.

Replace seal ring: Must use OEM seal ring.

Secure SCV valve: Align installation position, hand-tighten bolt, then torque to 8 N·m (do not overtighten).

Connect electrical connector: Ensure full engagement with no looseness.

Post-Installation Inspection

Fuel system bleeding: Connect diagnostic tool to perform low-pressure fuel circuit bleeding procedure.

Startup test: Check for leaks and monitor fuel pressure data (normal idle value: 300-400 bar).

Clear fault codes: If P0087/P0251 codes are present, reset ECU adaptation values.

 

 

Poor sealing may cause fuel leaks - always use OEM seal components.

Excessive torque can damage valve body - strictly follow 8 N·m specification.

Professional technician installation is recommended to ensure system reliability.

 

 

 

 

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