We have been replacing the fuel injection pump through GM(4 times now)for the last several years to minimal success. Every 3-4 years the unit would most likely fail according to the ealer. "Wake Up GM" and quit ripping off the people that pay good money...
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From: John G.

After a lot of research on Hummer parts I decided to go with SS Diesel over the other guys. Their parts were cheaper and still made in USA quality. My H1 is running better than new & I still come back to this site to see what's new & to order my...
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From: John C.