502 Fuel Injectors
08-05-2017, 03:12 PM
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502 Fuel Injectors
HI! Does anyone know what's the difference if any between GEN 5 & GEN 6 Mercruiser 502 8.2 fuel injectors? When I look and the parts diagram they seem to have the same fuel rails and other related parts. I'm looking to buy some new injectors and gen 5 injectors has a very limited selection. There seems to be more options for gen 6 engines.. Thanks in advance
08-05-2017, 04:10 PM
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PM "BUP" here on the forums. I'm sure he'll need serial numbers.
08-05-2017, 04:23 PM
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The Gen V engines were all Mefi 1 with Keihin injectors. In mid 98, Mercury changed to the Mefi 3 with a more standard shorty injector. The rails were different as well. The Mefi 1 engines used a VST while the Mefi 3 engine used the cool fuel. The injectors are not interchangeable. You will need the Keihin injectors in your particular engjne.
Eddie
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08-05-2017, 05:36 PM
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The 805225A 1 injector (the "old" injector) fits the following models:
525 EFI 0M953620 THRU 0M956326
Mercruiser BLACK SCORPION 350 MAG MPI 0M391600 THRU 0W689999
Mercruiser BLACK SCORPION MX 6.2L MPI 0M391750 THRU 0W689999
Mercruiser 454 EFI (SKI) GEN. V GM 454 V-8 1995 0F215800 THRU 0F820099
Mercruiser 454 EFI (GEN. V) GM 454 V-8 1994-1996 0F115700 THRU 0F802349
Mercruiser 502 EFI (GEN. V) GM 502 V-8 1993-1995 0D840650 THRU 0F802599
Mercruiser 7.4LX BRAVO (MPI)(GEN. V) GM 454 V-8 1996 0F602010 THRU 0F801999
Mercruiser 7.4L MPI MIE (LH) GEN. V GM 454 V-8 1995-1996 0F563052 THRU 0F820103
Mercruiser 350 MAG. BRAVO MPI(GEN+) GM 350 V-8 1997 0K001501 AND UP
Mercruiser 454 MAG. MPI BRAVO (GEN VI) GM 454 V-8 1996-1997 0F802350 THRU 0K999999
Mercruiser 502 MAG. MPI (GEN VI) GM 502 V-8 1996 0F802600 THRU 0K999999
Mercruiser 7.4LX BRAVO (MPI)(GEN. VI) GM 454 V-8 1996-1997 0F802000 THRU 0K999999
Mercruiser 454 MAG. MPI (SKI) GEN. VI GM 454 V-8 1996-1997 0F820100 THRU 0K999999
Mercruiser 7.4L MPI MIE (LH) GEN. VI GM 454 V-8 1996-1997 0F820104 THRU 0K999999
Mercruiser 8.2L MIE MPI (LH) GEN. VI GM 502 V-8 1996-1997 0F819620 THRU 0K999999
Mercruiser 454 MAG. MPI BRAVO (GEN VI) GM 454 V-8 1998 0L010029 THRU 0L058399
Mercruiser 502 MAG. MPI BRAVO (GEN VI) GM 502 V-8 1998 0L017000 THRU 0L085432
Mercruiser 454 MAG. MPI HORIZON (GEN. VI) GM 454 V-8 0L002200 THRU 0L086049
Mercruiser 8.2L MIE MPI (GEN. VI) GM 502 V-8 0L002450 THRU 0L086012
Mercruiser Scorpion 377 0K000656 THRU 0L600314
Mercruiser Scorpion 377 Sterndrive 0L416146 THRU 0M907201
525 EFI 0M953620 THRU 0M956326
Mercruiser BLACK SCORPION 350 MAG MPI 0M391600 THRU 0W689999
Mercruiser BLACK SCORPION MX 6.2L MPI 0M391750 THRU 0W689999
Mercruiser 454 EFI (SKI) GEN. V GM 454 V-8 1995 0F215800 THRU 0F820099
Mercruiser 454 EFI (GEN. V) GM 454 V-8 1994-1996 0F115700 THRU 0F802349
Mercruiser 502 EFI (GEN. V) GM 502 V-8 1993-1995 0D840650 THRU 0F802599
Mercruiser 7.4LX BRAVO (MPI)(GEN. V) GM 454 V-8 1996 0F602010 THRU 0F801999
Mercruiser 7.4L MPI MIE (LH) GEN. V GM 454 V-8 1995-1996 0F563052 THRU 0F820103
Mercruiser 350 MAG. BRAVO MPI(GEN+) GM 350 V-8 1997 0K001501 AND UP
Mercruiser 454 MAG. MPI BRAVO (GEN VI) GM 454 V-8 1996-1997 0F802350 THRU 0K999999
Mercruiser 502 MAG. MPI (GEN VI) GM 502 V-8 1996 0F802600 THRU 0K999999
Mercruiser 7.4LX BRAVO (MPI)(GEN. VI) GM 454 V-8 1996-1997 0F802000 THRU 0K999999
Mercruiser 454 MAG. MPI (SKI) GEN. VI GM 454 V-8 1996-1997 0F820100 THRU 0K999999
Mercruiser 7.4L MPI MIE (LH) GEN. VI GM 454 V-8 1996-1997 0F820104 THRU 0K999999
Mercruiser 8.2L MIE MPI (LH) GEN. VI GM 502 V-8 1996-1997 0F819620 THRU 0K999999
Mercruiser 454 MAG. MPI BRAVO (GEN VI) GM 454 V-8 1998 0L010029 THRU 0L058399
Mercruiser 502 MAG. MPI BRAVO (GEN VI) GM 502 V-8 1998 0L017000 THRU 0L085432
Mercruiser 454 MAG. MPI HORIZON (GEN. VI) GM 454 V-8 0L002200 THRU 0L086049
Mercruiser 8.2L MIE MPI (GEN. VI) GM 502 V-8 0L002450 THRU 0L086012
Mercruiser Scorpion 377 0K000656 THRU 0L600314
Mercruiser Scorpion 377 Sterndrive 0L416146 THRU 0M907201
When I look up the fuel rail for a 2000, it's the same part number as a 1995
08-05-2017, 09:05 PM
#5
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Made in japan the Keihins are the long earlier version injectors using MEFI 1 up till mid or later 1998 and then the tiny silver bullet MM injectors made in Italy. where used in MEFI 3 year model 1999 - 2001.
Post your engine serial number to see what exactly you have here. year model means nothing. And What ECM do you have - Side mount J connections or front ? Side mount is MEFI 1.
Post your engine serial number to see what exactly you have here. year model means nothing. And What ECM do you have - Side mount J connections or front ? Side mount is MEFI 1.
08-06-2017, 04:45 PM
#6
Just to add the Keihins are basically Honda injectors. You can find them at Honda dealerships (I believe Honda owns 80% of Keihin). My Merc and Honda both had Keihin injectors. Kind of funny.
