6.6L LB7 Duramax Diesel Fuel Filter Housing for Chevrolet Silverado GMC Sierra 2500/3500 HD (2001-2004)

About this item

• When installing this filter housing outdoors in the cold, the O-ring inside the primer pump may freeze very stiff and easily leak. It is recommended to heat the primer pump before installation to soften the internal O-ring. Boiling water can be used for heating or placed next to the heater for baking and heating.
• Year(s): 2001 - 2004,Model(s): Silverado/Sierra 2500/3500.Engine(s): 6.6L Duramax LB7,Replaces: 97780061.Please note that this filter housing is not suitable for the 2004 LLY engine engine
• We manufacture this filter. We have excellent mechanics. If you have any questions, you can contact us by email and we will reply to you as soon as possible
• Please note that when installing this filter housing in cold weather, the O-ring inside the prime pump may freeze very stiff. It is recommended to install it indoors and heat the "prime pump" to soften the O-ring to ensure no leakage
• Please ensure this filter assembly is compatible with your truck before making the purchase. The new design has been tested for proper sealing before being shipped from the factory.