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A.I.R. System for 1991 GMC C3500HD

Vehicle

1991 GMC C3500HD

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Part # / Description / Price
Price
Manifold Pipe
GM GM
Description: All models. 5.7l. Right side.
Manifold Pipe
GM GM
Description: All models. 5.7l. Left side.
Diverter Valve
GM GM
Description: All models. 4.3l, 5.7l & 7.4l.
A.I.R Pump
GM GM
Description: Without 454. All models. 4.3l. All. 5.7l. 8 cylinder. Stamped #KA,JT. 5.0l, 5.7-8.