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04 vs 05+ throttle body difference?

Overkill

Overkill

New member
I never even noticed this before and can't recall whether I'd mixed and matched, but the part numbers for 04 Grand Prix and 05-08 Grand Prix throttle bodies are different.

Anyone had issues putting one on the other or noticed what the difference is?
 


Never noticed..... I needed a new TB awhile back and just grabbed a random one. No idea if it was 04 or 05-08.... works fine though
 
I thought the only difference was the pinout's.

Could be wrong but I was under the assumption that the TB's were the same.
 


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