Go Back  Offshoreonly.com > Technical > General Q & A
Serial Number help Mercruiser 5.0 or 5.7 engine? >

Serial Number help Mercruiser 5.0 or 5.7 engine?

Notices

Serial Number help Mercruiser 5.0 or 5.7 engine?

Thread Tools
 
Old 07-20-2021 | 12:24 PM
  #1  
Thread Starter
Registered
 
Joined: Jul 2007
Posts: 381
Likes: 1
From: Lake George, NY
Default Serial Number help Mercruiser 5.0 or 5.7 engine?

I helping a friend look for a used 5.7 or 6.2 roller cam vortec mercruiser engine. He came across a used mercruiser, serial number 0M070026, guy advertising it as "Mercruiser 5.7 engine", but when I run the serial number it comes up as 1999-2001 and shows both 5.0L EFI ALPHA/BRAVO & 5.7L EFI ALPHA/BRAVO (GEN +) ENGINE... What gives? How can a serial number come up as both 5.0 and 5.7 engines?
DjMikeyC is offline  
Reply
Old 07-20-2021 | 12:41 PM
  #2  
SB
Registered
20 Year Member
 
Joined: Nov 2004
Posts: 14,068
Likes: 3,667
From: On A Dirt Floor
Default

I did it in a parts catalog and came up:
MERCRUISER 5.0L EFI GM 305 V-8 1999-2001


Maybe try a frw more Mercruiser places ?

Last edited by SB; 07-20-2021 at 12:45 PM.
SB is offline  
Reply
Old 07-20-2021 | 01:38 PM
  #3  
Thread Starter
Registered
 
Joined: Jul 2007
Posts: 381
Likes: 1
From: Lake George, NY
Default

Originally Posted by SB
I did it in a parts catalog and came up:
MERCRUISER 5.0L EFI GM 305 V-8 1999-2001

Maybe try a frw more Mercruiser places ?
I checked right at mercurymarine!

https://public-mercurymarine.sysonli...eng&langDB=eng
DjMikeyC is offline  
Reply
Old 07-20-2021 | 02:09 PM
  #4  
Griff's Avatar
Charter Member # 55
25 Year Member
Charter Member
Super Moderators
 
Joined: Oct 2000
Posts: 20,232
Likes: 2,482
From: Omaha/LOTO
Default

You have to have a Merc Dealer run the serial number to see exactly what engine it is.
Griff is offline  
Reply
Old 07-20-2021 | 07:18 PM
  #5  
Registered
20 Year Member
 
Joined: Oct 2005
Posts: 1,073
Likes: 251
From: Waldorf, Md
Default

Are there pictures available ? The casting number at the back of the block will tell you immediately if it is a 5.7 or 5.0 block
BillK is offline  
Reply
Old 07-22-2021 | 01:49 AM
  #6  
Registered
15 Year Member
 
Joined: Nov 2010
Posts: 284
Likes: 3
Default

Serial number 0M070026 comes up as an MERCRUISER MEFI-3, 5.7L EFI, BRAVO, (Gen +), Model # 4332067N1.
Mercruiser (5.0l Efi Alpha / Bravo 5.7l Efi Alpha / Bravo (Gen +) Engine) Engine Components
lakematdude is offline  
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.