Check the listing for details. for Cummins ISX Piston Ring Compressor Adapter and Anti-Polishing Ring 5299339. Condition: New. Listed at 113.90 USD. FeaturesAPPLICATION -- Compatible With Cummins ISX QSX 15 & Caterpillar 3400, 3406, 3408, C15. Work with 7040 Piston Ring Compressor 5.4" Bore.REPLACE OEM -- Replace 5299339, 5299447 & 5299448. Piston Ring Compressor Adapter Alternative to 5299339. Anti-Polishing Ring Alternative to 5299448, 5299447.FUNCTION -- This Adapter Kit is required to install the piston, piston ring,and connecting rod assembly into an anti-polishing ring cylinder liner. Used in conjunction with an existing 7040 piston ring compressor to install piston rings into antipolishing cylinder liners.TOP QUALITY -- Manufactured from Strong Cast Steel. Powder-Coated to ensure Corrosion-Resistant. Using top of the line machining and measuring equipment to ensure each part is manufactured to OEM quality standards and specifications.SATISFACTION GUARANTEE -- If you are not satisfied with Camoo products, simply return it for a full refund in 30 days. Guarantee with 12 months warranty. No worry about buying! For CAT 3406, 3408, C15 &CUMMINS ISX QSXPiston Ring Compressor Adapter & Anti-Polishing RingFor CATERPILLAR 3400, 3406, 3408, C15 & CUMMINS ISX QSX 15 -- 5.4" Bore Piston Ring.Piston Ring Compressor Adapter Alternative to 5299339.Anti-Polishing Ring Alternative to 5299448, 5299447.Used in conjunction with an existing piston ring compressor to install piston rings into antipolishing cylinder liners.How To Install Piston For Cummins ISX ?Step 1Install the Piston Ring Compressor Adapter.Step 2Prepare the piston. Flip the compressor over. Install the Ring Compressor.Step 3Hold the whole assembly in place, drop it down into cylinder.Step 4Push the piston until the top ring is completely in the cylinder liner.