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US & Canada Phone Number 1-800-243-8355
International Phone Number 1-562-594-1000

The History of OPGI
From Garage to 130,000 ft2


Original Parts Group, Inc. (OPGI), our company mission: To offer the finest reproduction and aftermarket parts and accessories for GM "A" and "G" bodies at the very best prices anywhere, with outstanding service to boot! Your Satisfaction Guaranteed!

November 2015

OPGI wins the Automotive Restoration Market Organization (ARMO) 2015 Business of the Year Award at the 2015 Specialty Equipment Market Association (SEMA) Show.


November 2015

OPGI announces the launch of the Restoparts brand of OPGI-manufactured parts at the 2015 Specialty Equipment Market Association (SEMA) Show.

November 2012

OPGI celebrates its 30th consecutive year in business.


January 2011

OPGI introduces its Pontiac Grand Prix, Bonneville & Catalina product lines.

January 2010

OPGI introduces the Riviera product line for the 1963-76 Buick Riviera.


January 2009

In 2009 OPGI introduces the Cadillac product line for all 1954-76 Cadillac models.

February 2008

105,000 ft2 + 25K ft2 Mezzanine Seal Beach, CA
8th location. 50,000+ products & accessories. 100+ employees. Mezzanine will eventually allow expansion of floor space to 250,000 ft2 when complete.


December 2003

54,000 ft2 Huntington Beach, CA
OPGI acquires it's 7th location across from Boeing's World Headquarters on Bolsa Avenue. 50+ Employees.


OPGI.com is launched.

June 1990

16,000 ft2 Huntington Beach, CA
On the move again! 6th location Product line expands to over 20,000 different parts.

June 1990

Largest Selection in the U.S.A.! Official name changed to Original Parts Group, Inc.

January 1987

7,000 ft2 Huntington Beach, CA
Sales Triple, operations are formalized. Becomes early adopter of network computing/technology to serve customers better. 20+ employees.

January 1987

OPGI offers many "firsts": reproduction lenses, injection molded interior parts, aluminum & chrome moldings & trim. Expansion into GTO, Cutlass, Skylark. Every GM "A Body" vehicle is represented.

June 1986

2500 ft2 Anaheim, CA
4th location acquired as product line expands.

June 1986

Investment into manufacturing continues. #1 Goal: Producing reproduction parts for GM "A" Body enthusiasts.

February 1985

1200 ft2 Anaheim, CA
More reproduction parts and an enormous cache of obsolete GM parts and accessories as the business expands into it's 3rd location and 1st Warehouse.

February 1985

Product line expands to over 5,000 parts & accessories for GM "A" Body cars

September 1983

2.5 Car Garage Garden Grove, CA
On the move: Slightly larger quarters.


June 1983

GM starts discontinuing parts en masse.

November 1982

2 Car Garage Santa Ana, CA
Dave Leonard starts a new enterprise: OPG's original name, "Chevelle Classics" is born, supplying Chevelle & El Camino parts to GM Enthusiasts.

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