5.3 aluminum block ID HELP
02-28-2018, 08:10 PM
#1
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5.3 aluminum block ID HELP So I recently picked up a aluminum block with pistons cranks and thats about it. I need to figure out what block it is to buy parts. the block vin number which is located right behind the drivers side head is C7G101142. the 8th digit is 4 which tells me its a LMF iron block which it is definetly not. the block ID number located right under a 5.3 stamp on front of the engine is 12571048 which online tells me a 5.3 aluminum but thats it. I would like to find the exact name or what block it is if anyone can help it would be much appreciated
02-28-2018, 08:14 PM
#2
ModSquad
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Googled it...
The ’04 Chevy SSR truck, Chevy Trailblazer EXT, GMC Envoy XL, and Buick Rainier all came with an aluminum block that was either a 12566910 or a 12571048 casting.
There’s prolly more applications, but this popped up first.
The ’04 Chevy SSR truck, Chevy Trailblazer EXT, GMC Envoy XL, and Buick Rainier all came with an aluminum block that was either a 12566910 or a 12571048 casting.
There’s prolly more applications, but this popped up first.
02-28-2018, 08:22 PM
#3
TECH Senior Member
I have a strong feeling you have an LH6 on your hands.
02-28-2018, 09:03 PM
#5
TECH Senior Member
Well, you KNOW it's aluminum, and it's a 5.3. In the small SUV realm, that says LH6