Where to buy parts

[87 Suburban]

I have an 1987 suburban 6.2 diesel silverado 20. I need a few parts, Where do you guys get basic parts? More specifically, I need a heater core, dash pad, quality front speakers. I know LMC Truck. Is there other Chevy Suburban specific parts companies that do not show up on google searches. Thanks in advance for any suggestions.

Monti

[trbankii]

LMC and RockAuto are where I get most of my parts. For speakers, you may look at Crutchfield.

[john8662]

Heater core is available at any local auto parts store, Oreilly, Autozone, etc.