Photo 1 of PHILTOP Electronic Throttle Body for Silverado 1500/2500 2003, W4500 W3500 Tiltmaster/Forward 2003-2007, W3500 Forward 2004-2007, Tahoe 2003 5.3L, Suburban 2500/1500, Silverado 2500 HD

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Photo 1 of PHILTOP Electronic Throttle Body for Silverado 1500/2500 2003, W4500 W3500 Tiltmaster/Forward 2003-2007, W3500 Forward 2004-2007, Tahoe 2003 5.3L, Suburban 2500/1500, Silverado 2500 HDPhoto 2 of PHILTOP Electronic Throttle Body for Silverado 1500/2500 2003, W4500 W3500 Tiltmaster/Forward 2003-2007, W3500 Forward 2004-2007, Tahoe 2003 5.3L, Suburban 2500/1500, Silverado 2500 HD