Maybe you didn't read everything, but it will fit: https://www.dcpowerinc.com/fit/Chevrolet~Blazer~1999~4.3L-V6/8237-270-xp.html#tab-vehicle_fits270-370, nothing too pricey, and the one from gckless will end up being at brand new cost after redone, just something used that 100% works that will fit my motor...
Won't work on 05+ as that's when GM started using PCM regulated alternators. It has the same case but the internal regulators used up until 04 will have to be removed.Maybe you didn't read everything, but it will fit: https://www.dcpowerinc.com/fit/Chevrolet~Blazer~1999~4.3L-V6/8237-270-xp.html#tab-vehicle_fits
About to pull mine out of my 05 Avalanche.
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300 Amp SPX High Output Alternatorhow big and how much?
How much $?300 Amp SPX High Output Alternator
Mounting Type Direct fit to OEM Mounting
Output Voltage 14.8
Idle Amperage 225
Hot Idle Amperage @ 200ºF 195
Max Amperage 300
Hot Max Amperage @ 200ºF 250
PM'dEmail excessive amperage and tell Nate your budget. I'm sure he will get you an Alternator. I just ordered two more 350s for my truck