Part Type: A/C Accumulator. 2010 Chevrolet Silverado 2500 HD Engine: 6L V8 FLEX Naturally Aspirated; EngineCode: L96; EngineVIN: G; without Rear A/C;. 2010 Chevrolet Silverado 2500 HD Engine: 6L V8 GAS Naturally Aspirated; EngineVIN: K; without Rear A/C;.