Measure the length and width of the beds.
if the 98 full-size is 4x4 1500, and the 2003 f/s is 4x4 or 4x2 1500 - yes.
The 2003 Chevy Avalanche 1500 can tow up to 2,000 pounds.
The parts should fit.
5.3
NO.
The intake temperature sensor is located on the side of the air filter case on a 2003 Chevy Silverado 4.3 1500. It is on the top of the engine.
how do u fold down mid-gate on 2003 chevy avalanche LT 1500
The towing capacity for a 2003 Chevy Silverado 1500 is 8400-pounds with Quadrasteer and Quadrasteer increases the towing capacity of Silverado 1500 with the Vortec 5300 to 8600 lbs or 10,200 pounds with a weight-distributing hitch and sway control.
group 78
8600 lbs
6 liters
Chevys do not have one. Only fords have them.