Looking for in-stock aftermarket parts to modify or upgrade your 2004 GMC Sierra 3500 with block off plates? At Tunersports.com we carry a huge selection of the top name brand performance block off plate parts and accessories for your Sierra 3500.
Whether you have a 2004 GMC Sierra 3500 in Base to WT trim we have you covered. We have 2 block off plates available to mod your Sierra 3500. All parts have free shipping to the Continental US 48 States.
 IN STOCK FPE-LB7-IAH-DELETEThe Fleece Performance Intake Air Heater Delete is a simple way to remove the air intake heater on your 2001-2004 GM 6.6L Duramax. Complete with a pre-drilled and tapped ports for a boost gauge, nitrous, water methanol injection and other accessories.... Fleece Performance 01-04 GM Duramax 6.6L LB7 Intake Air Heater Delete Plug 2001-2004 GMC Sierra 3500 SLE / SLT 2002-2004 GMC Sierra 3500 Base 2004-2004 GMC Sierra 3500 WT $59.58 |
 IN STOCK - LOW FPE-TURBO-THERMThe Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed line when installing a non-water cooled turbocharger on your Duramax. It provides clearance for larger intake plumbing, is CNC machined from 6061-T6 aluminum, and uses an o-ring seal to preven... Fleece Performance 01-13 GM Duramax 6.6L Duramax Turbo Thermostat Delete Plug 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT $59.58 |