WHEN TO REPLACE:
Reduced braking power or a stiff, hard brake pedal
Poor engine performance or rough idling
Unusual noises originating from the pump
Oil leaks around the pump or hose connections
OEM NUMBER:
904-862,904862,8972410351,8-97241-035-1,97241035
FITMENT:
For 1995 Isuzu NPR V8 TBI (L05)
For 1996-2003 Isuzu NPR V8 MPI (L31)
For 2003 Isuzu NPR V8 MPI (LQ4)
For 2004-2007 Isuzu NPR GAS V8 (LQ4)
For 2008-2009 Isuzu NPR GAS V8 (LY6)
For 2012-2019 Isuzu NPR GAS V8 (L96)
For 2004-2007 Isuzu NPR-HD GAS V8 (LQ4)
For 2012-2019 Isuzu NPR-HD GAS V8 (L96)
NOTE:
1.For personal safety, the vacuum pump may only be disassembled and replaced after the engine has cooled down completely.
2.During replacement, check the engine oil level and cleanliness, and ensure the oil passages are unobstructed.
3.Do not allow dirt or contaminants to enter the oil system.
4.Clean the sealing surfaces thoroughly before installation.
5.Install the vacuum pump seal (do not apply sealant) and secure it through the bolt holes on the cylinder head.
6.Observe the tightening torque for the vacuum pump bolts: 9 N·m.