Sierra Xtreme Shift Cable for Mercruiser Bravo One, Two, and Three (all ratios); Bravo One X, Two X, and Three X (all ratios); Bravo One XR/XZ (all ratios); Bravo One XR Sportmaster (all ratios); and integrated transom. Replaces 815471, 815471A3, 815471A6.• Sierra Part No. 18-2145E• Replaces Part No. 815471, 815471A3, 815471A6 For Mercruiser Bravo One, Two, Three Replaces 815471, A3, A6 | Xtreme Shift Cable For Mercruiser Bravo, Part #18-2145E