The ACDelco 63G (GM 97326305) is the OE diesel glow plug for 2004.5–2005 Chevrolet and GMC 6.6L LLY Duramax trucks.

Features & Benefits

• Genuine GM glow plug, GM P/N 97326305 (ACDelco 63G)
• Genuine GM / ACDelco OE part, designed, engineered and tested to GM standards and backed by General Motors
• Direct OE replacement for the factory glow plug

Application

• Chevrolet Silverado 2500 HD / 3500 with 6.6L Duramax diesel (2004–2005 per GM; LLY)
• GMC Sierra 2500 HD / 3500 with 6.6L Duramax diesel (2004–2005 per GM; LLY)

Early-2004 LB7 trucks use GM 97226202 (62G); verify your engine (LB7 vs LLY) by VIN.

Always verify fitment by VIN or by matching the GM/ACDelco part number on your original part before ordering.

Cross-Reference / OE Numbers

• ACDelco: 63G
• GM: 97326305