OE Replacement Direct Fit
8.8mm High Performance Silcone Straight Boot 10”
8.8mm High Performance Silcone 135 Degree 10”
8.8mm High Performance Silcone 90 Degree 10”
8.5mm High Performance Wire
Black; Stock; 9.5 in.; 180 Deg. Plug Boot
Original Equipment Replacement Part / Complete Ignition Wire Set - 7mm
Blue; Stock; 9.5 in.; 180 Deg. Plug Boot
Black; Stock; 9.5 in.; 180 Deg. Plug Boot
Red; Stock; 9.5 in.; 180 Deg. Plug Boot
Straight Boot; 8 Piece Set Used w/ round coil stamped 19005218 (9.2 in. leads).
Blue; Stock; 9.5 in.; OE Spark Plug Boot
Black; Stock; 9.5 in.; OE Spark Plug Boot
Blue; Stock; 9.5 in.; OE Spark Plug Boot
Red; Stock; 9.5 in.; OE Spark Plug Boot
8.8mm High Performance Ceramic Straight, White 10”
8.8mm High Performance Ceramic 90 Degree, White 10”
8.8mm High Performance Ceramic 135 Degree, White 10”
8.8mm High Performance Ceramic 135 Degree, Black 10”
Spiro-Wound; LS Universal; OE Plug Boot; 409 Stainless Steel; Black
Red; Stock; 9.5 in.; OE Spark Plug Boot
Blue; Stock; 9.5 in.; OE Spark Plug Boot
Browse our selection of quality spark plug wire set parts designed specifically for your Hummer H3T. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Adventure · Alpha · Base
Crew Cab Pickup
L5 3.7L · V8 5.3L
Automatic · Manual