I bought this seal for this water pump for a 2004 GMC Envoy: ACDelco 252-822 water pump assembly. I wasn't sure if the water pump came with a gasket - it did but it was paper so I was lucky I bought this gasket as it was exactly the same as the water pump I removed ! Also, I'm for everyone who does this work. I highly recommend using the guide posted on trailvoy.com titled "Replacing the Water Pump (Photo)". It's priceless. Read the original instructions on page 1 and I've added additional information which is in post #212.
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