Looks excellent. Likely never used.

This AC Delco Starter with part number 337-1027 is an essential component for your Chevy Avalanche, Suburban, Yukon, or Silverado 1500. It is a direct replacement for your old starter motor and has been manufactured in the United States to ensure high-quality performance. The starter comes with internal thru bolts inside the starter field case and two long mounting bolts that make it easy to install.

The AC Delco Starter is compatible with various models of Chevy and GMC cars, including Standard Cab Pickup Cab & Chassis, Sport Utility Crew Cab Pickup, and Extended Cab Pickup. It is suitable for On Road Edition LS LT WT SLT SLE SL HT Starter and Base Z71. The starter has a Repl. OE no. 88877126 and does not come with any manufacturer's warranty.