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June 15, 2007 Service bulletin

Trailer hitch insert - product update

Chevrolet technical service bulletin 4389 for 2007 Chevrolet Silverado 1500, 2007 GMC Sierra 1500 and 2007 Chevrolet Silverado 2500 and others.

Bulletin number
4389
Component
Trailer hitches
Summary
Trailer hitch insert - product update. Kb

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