2W1708 Ring Inter Fits Caterpillar Models

One New Aftermarket Replacement Intermediate Piston Ring for Caterpillar (Cat) 3300 and 3400 Series Engines

This intermediate (second compression) piston ring is a direct replacement for Caterpillar OEM part 2W1708. It fits the 3304 and 3306 engine family and is sold individually per piston. The 2W1708 is the second ring in the three-ring piston ring set (2W1709 / 9L6935), alongside the top compression ring (2W1707) and the oil control ring (7E6047). It seals combustion pressure between the piston and cylinder wall in these inline six- and four-cylinder diesel engines used across a wide range of Caterpillar construction, industrial, marine, and agricultural equipment.

Specifications

• Ring Position: Intermediate (2nd compression ring)
• Bore Diameter: 120.65 mm (4.75 in.)
• Ring Width: 2.8 mm
• Weight: approx. 0.2 lbs.
• Dimensions: approx. 5.91 x 5.91 x 0.04 in.

Compatible Models

Caterpillar Engines: 3304, 3304B, 3306, 3306B, 3306C

Caterpillar Excavators: 225, 235, 235B, 330, 330 FM L, 330 L, 330B, 330B L, 350

Caterpillar Motor Graders: 14H NA

Caterpillar Scrapers / Tractors / Forestry / Pipelayers / Other: 515, 518C, 525, 527, 528B, 530B, 545, 572G, 572R, 611, 615C, 621R, 627B, 627E, 627F, 627G, 637D, 1673C, D4H, D25C, D25D, D30C, D35C, D250E, D250E II, D300B, D300E, D300E II, D350C, 816B, 816F, Challenger 65C

Replaces Part Number(s):

2W1708, 2W-1708

Aftermarket Interchange Numbers

M-2W1708, 1D5119, 9L6933, 9L6935 (ring set)

New aftermarket replacement part - not remanufactured, not used.