9 inch?
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Postmaster
Joined: Nov 2001
Posts: 3,351
Likes: 1
From: Escondido, CA
9 inch?
I have a 64 F-100 that I need to identify the rear end. I know I need to replace all of the seals and possibly bearings. The front and axles ends are leaking. I have found the following #'s on it.
8F19 DIF 42
DIF 865 C5AW 4668A or 4688A (the 3rd digit is hard to read)
First set are on the carrier housing and the second set are on the pinion bearing housing. Also the fill hole is on the driver side and it has 2 dimples in the back of the main body.
Any ideas?
8F19 DIF 42
DIF 865 C5AW 4668A or 4688A (the 3rd digit is hard to read)
First set are on the carrier housing and the second set are on the pinion bearing housing. Also the fill hole is on the driver side and it has 2 dimples in the back of the main body.
Any ideas?
Postmaster
Joined: Jul 2001
Posts: 4,038
Likes: 3
From: South Kitsap County, WA
9 inch?
Well Mark, I'll give you what I know... and that ain't much on the '72 and earlier models...
First step is to go to the Ford dealer and give them these numbers you have. The parts department can usually cross reference a lot of the material you have and start you on the right track. See if they have the old service manual for the truck, their copy is fine, all you need to do is verify your numbers. If the dealer can't help try the library or a reputable mechanics shop. My books only go as far as 1965.
The 351W must have been a modification because from what I can recall the 351 Windsor was put in trucks until 1975. Is is then possible that the rear was a modification too? I recall someone posted that the build codes for Ford would indicate that C5 in the C5AW would be a casting date of 1975. This would mean that the particular rear would have been manufactured after 1975
.
I hope that helps, but verify that with another source. I'd hate to be the guy that led you a stray and you order the wrong parts based on that.
-Kerry
First step is to go to the Ford dealer and give them these numbers you have. The parts department can usually cross reference a lot of the material you have and start you on the right track. See if they have the old service manual for the truck, their copy is fine, all you need to do is verify your numbers. If the dealer can't help try the library or a reputable mechanics shop. My books only go as far as 1965.
The 351W must have been a modification because from what I can recall the 351 Windsor was put in trucks until 1975. Is is then possible that the rear was a modification too? I recall someone posted that the build codes for Ford would indicate that C5 in the C5AW would be a casting date of 1975. This would mean that the particular rear would have been manufactured after 1975
.I hope that helps, but verify that with another source. I'd hate to be the guy that led you a stray and you order the wrong parts based on that.
-Kerry
Senior User
Joined: Sep 2010
Posts: 280
Likes: 0
From: Colorado Springs
Well Mark, I'll give you what I know... and that ain't much on the '72 and earlier models...
First step is to go to the Ford dealer and give them these numbers you have. The parts department can usually cross reference a lot of the material you have and start you on the right track. See if they have the old service manual for the truck, their copy is fine, all you need to do is verify your numbers. If the dealer can't help try the library or a reputable mechanics shop. My books only go as far as 1965.
The 351W must have been a modification because from what I can recall the 351 Windsor was put in trucks until 1975. Is is then possible that the rear was a modification too? I recall someone posted that the build codes for Ford would indicate that C5 in the C5AW would be a casting date of 1975. This would mean that the particular rear would have been manufactured after 1975 .
I hope that helps, but verify that with another source. I'd hate to be the guy that led you a stray and you order the wrong parts based on that.
-Kerry
First step is to go to the Ford dealer and give them these numbers you have. The parts department can usually cross reference a lot of the material you have and start you on the right track. See if they have the old service manual for the truck, their copy is fine, all you need to do is verify your numbers. If the dealer can't help try the library or a reputable mechanics shop. My books only go as far as 1965.
The 351W must have been a modification because from what I can recall the 351 Windsor was put in trucks until 1975. Is is then possible that the rear was a modification too? I recall someone posted that the build codes for Ford would indicate that C5 in the C5AW would be a casting date of 1975. This would mean that the particular rear would have been manufactured after 1975
.I hope that helps, but verify that with another source. I'd hate to be the guy that led you a stray and you order the wrong parts based on that.
-Kerry
This may or may not help.
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