200r4 transmission dipstick

CrammerGram69

Master Mechanic
Nov 15, 2019
469
155
43
26
SW, Michigan
Were there different lengths used between the 1981 Introduction of this transmission up to its end in G-bodies? My car is a 200r4 diesel, 1984. (The one in my Signature). I am wondering if one from a Pontiac Bonneville with a Th350 I'm guessing... will work?
 
They are different lengths. It will fit but won't read correctly. I bought the universal locking replacement. It needed cut vs the TH350 length.
 
They are different lengths. It will fit but won't read correctly. I bought the universal locking replacement. It needed cut vs the TH350 length.
You can run any dipstick you want,the idea is that you have to calibrate the full mark to the bottom of the case where the pan lands.
Factory would be nice. I see they don't make new ones. :| Figures.
 
I'm running this 'stick ☝️ it doesn't leak and bolts to the motor/bell correctly.I'm including a really bad pic of it installed so you can get an idea of where it sits in the engine bay.
20230830_174951_resized.jpg
 
If still looking for a 200-4R dipstick, here's one. A bit pricey but brand new:


If you need the fill tube, it's 25508003.


Diesel or gas uses the same junk on G-body 200-4R as far as tube and stick. I think they used the same tube from 83-89, changing in 1990 on the B body.
 
If still looking for a 200-4R dipstick, here's one. A bit pricey but brand new:


If you need the fill tube, it's 25508003.


Diesel or gas uses the same junk on G-body 200-4R as far as tube and stick. I think they used the same tube from 83-89, changing in 1990 on the B body.
Thanks, buddy, good info! I have paid worse prices like but that is pretty cheap for Genuine.
 

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