b>Fitment:
Custom-fitted, fit for Detroit Diesel DD15 DD16 engines

Features:
- Alternative to W470589021400
- Used with W47058901590 ring compressor equal to J47386 J-47386
- Solid piece steel, precision cut

Easy To Install:
1. Oil the inside diameter of the piston ring compressor tool.
2. Place piston on a bench with dome side down; then install piston ring compressor tool (J-47386).
3. After the ring compressor is clamped, ensure the piston can rotate freely. If rotation is hindered, remove the compressor and reposition the dome and rings (or check for ring damage.)
4. Lubricate the inside of the cylinder liner with clean engine oil.
5. Position the carbon scraper ring tool （W470589021400） into the recessed area of the cylinder liner.

Detroit Diesel DD15 DD16 Carbon Scraper Tool Alternative to W470589021400 Use with J47386 to service your engines. Buy it with confident!