Original Parts Group (OPGI) has been the trusted source for GM restoration parts since 1982. With over four decades of experience, OPGI offers the largest in-stock selection of reproduction and aftermarket parts for classic GM vehicles — from Chevelles and GTOs to Cadillacs and Grand Nationals.
Their commitment to quality and authenticity has earned them industry recognition. OPGI has received General Motors' “Best Restored GM Vehicle” award at the SEMA Show four times in six years, showcasing their dedication to excellence in restoration .
In addition to product excellence, OPGI has been honored by the Automotive Restoration Market Organization (ARMO). They were named “Business of the Year” at the SEMA Show in both 2015 and 2017, reflecting their significant contributions to the restoration industry .
OPGI's proprietary RESTOPARTS® line exemplifies their dedication to precision. Manufactured in-house, these parts meet or exceed OEM specifications, ensuring that restorers and builders receive components that fit and function as intended.
Beyond parts, OPGI supports the restoration community through initiatives like their Frequent Buyer Rewards Program. This program rewards loyal customers with points redeemable for discounts, emphasizing OPGI's commitment to customer satisfaction .
When it comes to restoring classic GM vehicles, OPGI stands out as a leader in the industry. Their extensive inventory, award-winning quality, and customer-focused programs make them the go-to choice for enthusiasts and professionals alike.