Carter M60389 vs M6696 fuel pumps
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URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=48965
Printed Date: March-01-2025 at 2:18pm
Topic: Carter M60389 vs M6696 fuel pumps
Posted By: Wilhelm Hertzog
Subject: Carter M60389 vs M6696 fuel pumps
Date Posted: June-28-2020 at 6:42pm
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I currently have an undersized, non-marine fuel pump in my boat, and want to convert back to a proper marine setup. I understand the Carter M60389 is the OEM replacement. However, I noticed that the M6696 is also supposed to fit the PCM 351W engine. The 6696 clearly has some fitting at the bottom that the 60389 doesn't have. Can anyone tell me what that is? Carter customer service is particularly unresponsive. Any recommendations between the two pumps? https://carterengineered.com/mechanical-fuel-pump-m60389" rel="nofollow - M60389 https://carterengineered.com/mechanical-fuel-pump-m6696" rel="nofollow - M6696 ------------- 1982 Ski Nautique PCM351W RR II Velvet Drive 10-17-003 1:1 II PerfectPass Stargazer Do not go gentle into that good night. Rage, rage against the dying of the light. |
Replies:
Posted By: Gary S
Date Posted: June-28-2020 at 8:56pm
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That's just a small fuel filter on 6696. I personally like the way the fuel overflow fitting is on 60389. The other one looks to come out the opposite side and is straight rather than a 90. But the extra filter is nice if you have fuel issues ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS 95 Nautique Super Sport |
Posted By: Wilhelm Hertzog
Date Posted: June-29-2020 at 6:50pm
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And anyone with any views on the Airtex 60389 compared to the Carter M60389? ------------- 1982 Ski Nautique PCM351W RR II Velvet Drive 10-17-003 1:1 II PerfectPass Stargazer Do not go gentle into that good night. Rage, rage against the dying of the light. |
Posted By: KENO
Date Posted: June-29-2020 at 7:00pm
Pretty much the same foreign made pump in different packaging 
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Wilhelm Hertzog wrote:Posted By: Wilhelm Hertzog
Date Posted: June-29-2020 at 7:21pm
Sierra 18-7267 better than these two? ------------- 1982 Ski Nautique PCM351W RR II Velvet Drive 10-17-003 1:1 II PerfectPass Stargazer Do not go gentle into that good night. Rage, rage against the dying of the light. |
Posted By: Wilhelm Hertzog
Date Posted: June-30-2020 at 8:00am
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This site says the Sierra pump does not make provision for a fuel return line: https://www.marineengineparts.com/sierra-marine-18-7267-fuel-pump" rel="nofollow - link . Which would make it a no go? It does look like there's a third opening from the images on Amazon though: https://www.amazon.com/gp/product/B0001CLFKQ/ref=ox_sc_mini_detail?ie=UTF8&psc=1&smid=ATVPDKIKX0DER" rel="nofollow - link . Circled in red below. So which is right?  ------------- 1982 Ski Nautique PCM351W RR II Velvet Drive 10-17-003 1:1 II PerfectPass Stargazer Do not go gentle into that good night. Rage, rage against the dying of the light. |
Posted By: KENO
Date Posted: June-30-2020 at 8:30am
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Read the thread in the link........and look at the pictures too It should answer your questions about the different style pumps and that threaded port between the 2 diaphragms on the Sierra copy of an AC dual diaphragm pump http://www.correctcraftfan.com/forum/forum_posts.asp?TID=39335&title=mechanical-fuel-pump" rel="nofollow - link |
Posted By: Wilhelm Hertzog
Date Posted: June-30-2020 at 9:03am
Great, thanks Ken. So which would you recommend: Carter, Airtex or Sierra? From some of your comments in other fuel pump related threads I took it that you had some misgivings about the recent Carter and Airtex pumps? The Sierra is way more expensive - but maybe worth it for better reliability? ------------- 1982 Ski Nautique PCM351W RR II Velvet Drive 10-17-003 1:1 II PerfectPass Stargazer Do not go gentle into that good night. Rage, rage against the dying of the light. |
Posted By: KENO
Date Posted: June-30-2020 at 9:10am
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I think they're all about equal. Maybe a bad batch of the Carter/Airtex pumps since nobody lately seems to have had a problem with them. I'd recommend the Siecartex..................or maybe the Cartexierra
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