Photo 1 of 977-307 Throttle Body Replacement For 2003-2007 Avalanche Express Silverado 1500 2500 3500 Tahoe, GMC Yukon Savana, Buick, Cadillac, Hummer & Isuzu Models # 19420713 12570800 12679525 2172293

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Photo 1 of 977-307 Throttle Body Replacement For 2003-2007 Avalanche Express Silverado 1500 2500 3500 Tahoe, GMC Yukon Savana, Buick, Cadillac, Hummer & Isuzu Models # 19420713 12570800 12679525 2172293