Compatible with Jeep 4.0L 4.2L (258) 5.0L (304) 5.9L (360) 6.6L (401) Compatible with Jeep YJ TJ XJ MJ ZJ WJ CJ5 CJ7 CJ8 SJ J10 J20 Engine block to bellhousing dowel pin for all 4.0L, 4.2L, 5.0L, 5.9L and 6.6L engines used in: CJ5, CJ7, CJ8 Scrambler, Wrangler YJ, Wrangler TJ, Cherokee XJ, Grand Cherokee ZJ, Grand Cherokee WJ, Comanche MJ, Full size Cherokee, Wagoneer, Grand Wagoneer, J10 and J20. The dowel pin is CNC machined from 4140 alloy steel and is zinc plated for corrosion resistance. It is far better quality than the OEM dowel pins. Replaces J4005148. Also fits many other AMC V8 engines including: 290, 304, 343, 360, 390 and 401. Also fits the oil pump on 3.8L, 4.0L and 4.2L AMC engines. Sold by a small business in the US and we actually use these parts ourselves. Engine block to bellhousing dowel pin for all 4.0L, 4.2L, 5.0L, 5.9L and 6.6L engines used in: CJ5, CJ7, CJ8 Scrambler, Wrangler YJ, Wrangler TJ, Cherokee XJ, Grand Cherokee ZJ, Grand Cherokee WJ, Comanche MJ, Full size Cherokee, Wagoneer, Grand Wagoneer, J10 and J20. The dowel pin is CNC machined from 4140 alloy steel and is zinc plated for corrosion resistance. It is far better quality than the OEM dowel pins. Replaces J4005148. Also fits many other AMC V8 engines including: 290, 304, 343, 360, 390 and 401. Also fits the oil pump on 3.8L, 4.0L and 4.2L AMC engines. Sold by a small business in the US and we actually use these parts ourselves.