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HomeProductsRail Pressure Sensor499000-6131 Fuel Rail Pressure Sensor for Isuzu Diesel Engines and Nissan
499000-6131 Fuel Rail Pressure Sensor for Isuzu Diesel Engines and Nissan

499000-6131 Fuel Rail Pressure Sensor for Isuzu Diesel Engines and Nissan

This fuel rail pressure sensor measures pressure in the high-pressure side of a compatible diesel common rail injection system. It sends an electrical pressure signal to the engine control unit, providing feedback for fuel-pressure monitoring and injection control. The sensor is selected by its original identification and the rail connection, electrical connector and engine fuel-system configuration.

Supplied as a new aftermarket replacement single sensor, it is intended for the documented diesel engine and vehicle applications. Engine-family entries require confirmation of the exact installation, while vehicle entries retain the available model, displacement and production information. Complete fuel rails and other fuel-system components are supplied separately. A one-year warranty is provided.
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Product Specifications

Specification Details
OE reference system DENSO / ISUZU reference systems
Model or reference number 499000-6131 / 4990006131
ISUZU identification reference 8981197900 / 8-98119790-0
Product type Fuel rail pressure sensor / high-pressure fuel sensor
Fuel system Diesel common rail injection
Installation position High-pressure fuel rail
Function Fuel-pressure measurement and electrical feedback to the engine control system
Documented engine families Isuzu 4HK1, 6HK1 and 4JJ1; exact rail configuration must match
Documented vehicle entries Listed Nissan Navara, Pathfinder, Cabstar, NP300 and Frontier configurations; original sensor must match
Application restrictions Engine-family rows do not imply every vehicle using that engine; match original sensor, rail, connector and engine installation
Supply scope Photographed single replacement fuel pressure sensor
Condition New aftermarket replacement
Purpose Replacement and repair
Warranty 1 year

Vehicle and Engine Applications

Make Vehicle models Engine models Years
ISUZU Engine applications — exact original sensor and rail identification required 4HK1 diesel; common rail configuration ——
ISUZU Engine applications — exact original sensor and rail identification required 6HK1 diesel; common rail configuration ——
ISUZU Engine applications — exact original sensor and rail identification required 4JJ1 diesel; common rail configuration ——
ECHO / ISUZU Mobile generator engine applications — generator model must be checked against the parts list Isuzu 6HK1 diesel ——
NISSAN Navara D40 pickup — original sensor must match; source lists vehicle series from 2004 Diesel; engine code and power —— ——
NISSAN Pathfinder (R51) DCI — original sensor must match DCI diesel; engine code and power —— 2005–2012
NISSAN Cabstar 2.5 DCI — original sensor must match 2.5L DCI diesel; engine code and power —— 2006–2011
NISSAN NP300 2.5 DCI — original sensor must match; source lists vehicle series from 2008 2.5L DCI diesel; engine code and power —— ——
NISSAN Frontier 2.5 16V — exact original sensor must match 2.5L diesel, 16-valve; engine code and power —— 2008–2016

Match the original part reference, engine and fuel system configuration. Observe any listed restrictions. Unconfirmed years are shown as ——.

Equivalent and Cross Reference Numbers

Brand Reference numbers
DENSO reference 499000-6131 / 4990006131
ISUZU identification reference 8981197900 / 8-98119790-0
DENSO documented comparison family 499000-6141; 499000-6160 — match original identification and rail configuration
MERLIN comparison reference M002-057

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