CAT 3400 / 3406 / C15 Lower Repair Ring (6 PACK)

Caterpillar 3400, 3406 and C15 Lower Bore Repair Rings — Set of 6

This set of six precision-machined lower bore repair rings is used to repair worn, pitted or cavitated lower cylinder liner bores in Caterpillar 3400-series and C15 engine blocks.

Damage around the lower liner O-ring sealing area can cause poor liner sealing and coolant leakage. These finished-bore repair rings allow a qualified engine machine shop to restore the damaged sealing area and salvage the engine block.

Product Details

• Fits Caterpillar 3400-series and C15 engine blocks
• Commonly used for 3406 and C15 lower liner bore repairs
• Repairs worn, corroded, pitted or cavitated liner O-ring sealing areas
• Finished inside diameter with installation chamfer
• Outside diameter: 6.218 inches
• Inside diameter: 6.087 inches
• Sold as a complete set of six repair rings
• Professional block machining and installation required

These are aftermarket repair parts and are not manufactured or endorsed by Caterpillar Inc.

Please verify dimensions and application before ordering. Call Duffin Diesel at 210-341-8183 with fitment or machining questions.