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06-04-2025, 05:08 PM
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#1 |
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Senior Member
 Join Date: Feb 2003
Location: Staunton, Virginia
Posts: 596
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NP 203 ID question
I crawled under the truck today to see if I could get ID info on the transfer case. I know it’s a 203 but it doesn’t have a tag attached to it, but it does have a stamp that reads where the tag should be.
K 6 B02 Maybe they used a stamp instead of a tag? Anyone ever seen this way of dating a transfer case. I’m assuming the 6 is for 1976 and B02 is for Feb 2. It would fit, my truck was built Feb of 76. Thanks Scott |
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06-05-2025, 01:27 AM
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#2 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,941
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Re: NP 203 ID question
Why do you need this? are you swapping cases or something. The only real difference is the input spline count of 10-27-32 and 1-2 year difference in the rear output housing when they first came out
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06-05-2025, 02:52 PM
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#3 |
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Senior Member
Join Date: Feb 2003
Location: Staunton, Virginia
Posts: 596
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Re: NP 203 ID question
Kw, not swapping anything. I just bought this truck and was curious to see how original it is so I started looking at part numbers.
Scott |
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06-05-2025, 03:06 PM
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#4 |
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Senior Member
Join Date: Dec 2009
Location: TN.
Posts: 9,870
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Re: NP 203 ID question
Here is some info.
Link: https://www.advanceadapters.com/3-gm-new-process-203 It is basically what kwmech said 
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________________________________________________________________________________________ ____________________________________________ The early bird gets the worm, But the second mouse gets the cheese 85 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build |
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