1765749 Ring-Piston (Intermediate Fits Caterpillar Models

One New Aftermarket Replacement Intermediate Piston Ring for Caterpillar (Cat) 3406E, C15, and C16 Engines

This aftermarket replacement intermediate piston ring (Ring-Piston, Intermediate) fits the Caterpillar 3406E, C15, and C16 heavy-duty diesel engines. The intermediate ring is the second compression ring in the three-ring piston assembly, sealing combustion gases and supporting oil control between the top ring and oil ring. It is a direct replacement for Caterpillar OEM part number 1765749 (176-5749) and is commonly used in engine rebuilds and in-frame overhaul kits for Cat-powered construction, agricultural, and on-highway equipment.

Compatible Models

Caterpillar Engines: 3406E, C-15, C15, C16

Caterpillar Articulated Trucks: 735, 740, D350E II, D400E II, AD30

Caterpillar Wheel Scrapers / Wheel Tractors: 621G, 623G, 627F, 627G, 657B, 657E

Caterpillar Wheel Dozers: 824C, 824G, 824G II, 824H

Caterpillar Soil and Landfill Compactors: 825G II, 825H, 826G II, 826H

Caterpillar Wheel Loaders: 980G, 980G II, 986H

Caterpillar Track-Type Tractors: D8R, D8R II, D8T

Caterpillar Load Haul Dump: R2900, R2900G

Caterpillar Reclaimer/Mixer: RM-500

Caterpillar Challenger (AGCO): MTC835

Caterpillar Gen Set / Industrial / Petroleum Engines: 3406E, C-15, C15 (TH35-C15I)

Replaces Part Number(s):

1765749, 176-5749, 1399126, 139-9126

New aftermarket replacement part - not remanufactured, not used.