1220321 Valve Exhaust Fits Caterpillar Models

One New Aftermarket Replacement Exhaust Valve for Caterpillar (Cat) Engines

This exhaust valve is a cylinder head component for Caterpillar 3406, 3408, and 3412 series diesel engines. It seats in the cylinder head to seal the combustion chamber during power strokes and open to allow exhaust gases to exit, and is a precision-fit, wear-wear item replaced during engine rebuilds and top-end overhauls.

Specifications

• Length: approximately 7.99 in. (184.29 mm)
• Package dimensions: 2.52 x 2.52 x 7.99 in.
• Weight: 0.4 lbs.

Compatible Models

Caterpillar Engines: 3406B, 3406C, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3516B

Caterpillar Motor Graders: 16G, 16H NA, 24H

Caterpillar Excavators / Shovels: 375, 375 L, 5080, 5110B

Caterpillar Pipelayers / Track-Type: 578, 583R, 587R, 589

Caterpillar Wheel Tractor-Scrapers: 621F, 623F, 627F, 631D, 631E, 631G, 633E II, 637E, 637G

Caterpillar Off-Highway Trucks: 769D, 771D, 773B, 773D, 773E, 775B, 775D

Caterpillar Other Equipment: 826C Landfill Compactor, 825G Soil Compactor, D10N Track-Type Tractor, PM-565/PM-565B Cold Planer, PR-1000C Cold Planer, PR-450C Cold Planer, RM-250C Reclaimer Mixer, RR-250B Road Reclaimer, SS-250B Soil Stabilizer

Replaces Part Number(s):

1220321, 122-0321, 2114281

Aftermarket Interchange Numbers

3848698, 384-8698, M-1220321, H1220321, CA1220321

New aftermarket replacement part - not remanufactured, not used.