1167221 Seal Fits Caterpillar Models

One New Aftermarket Replacement Injector Seal for Caterpillar (Cat) Engines

This rectangular injector seal is a precision-fit replacement for Caterpillar 3412E and C32 series engines, as well as a wide range of Cat heavy equipment applications. The seal seats the fuel injector and prevents leaks at the injector bore, maintaining proper injection pressure and engine performance. It is a molded rectangular cross-section seal designed as a direct drop-in replacement for OEM part 1167221 (116-7221).

Specifications

• Type: Rectangular / Injector Seal
• I.D.: 0.796 in.
• Width: 0.103 in.
• Thickness: 0.146 in.
• Construction: Molded
• Weight: 0.01 lbs.

Compatible Models

Caterpillar Engines: 3408E, 3412E, C30, C32

Caterpillar Motor Graders: 24H

Caterpillar Off-Highway Trucks: 69D, 769C, 769D, 771D, 773B, 773D, 773E, 775B, 775D, 775E

Caterpillar Wheel Dozers: 844

Caterpillar Earthmoving Compactors: 836

Caterpillar Excavators: 5110B

Caterpillar Track-Type Tractors: D10R

Caterpillar Wheel Tractor-Scrapers: 631D, 631E, 631G, 633E II, 637E, 637G, 651E, 657E

Caterpillar Wheel Loaders: 988B, 988F II, 990, 990 II, 992C

Caterpillar Cold Planers: PM-565B

Caterpillar Articulated Trucks: AD40, AD45

Replaces Part Number(s):

1167221, 116-7221

Aftermarket Interchange Numbers

321471, CAP321471

New aftermarket replacement part - not remanufactured, not used.