This is an Isuzu Brake Booster. It fits 1995-1998 Isuzu NPR NQR and GMC W3500 W4500 W4. Please note whether your Brake Booster has 1 or 2 vacuum lines. Call for pricing and availability at 1-877-564-6307 Press 1.  If you have any further questions speak with our sales team. 05-11-16
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