Search by number: 2010 Mazda B4000 4.0L 6 Cyl Starter ProAmp 3271 $90.00 each OPTIONS: Automatic Transmission ProAmp 3240 $112.00 each OPTIONS: Manual Transmission ProAmpN 3271N $121.00 each OPTIONS: Automatic Transmission ProAmpN 3240N $126.00 each OPTIONS: Manual Transmission