2321322 Plug-Blank Fits Caterpillar Models

One New Aftermarket Replacement Plug-Blank for Caterpillar (Cat) Construction Equipment

This aftermarket replacement blank plug (also cataloged as Plug-Blankin) is used to seal unused ports and openings on Caterpillar engines and equipment systems, preventing contamination and maintaining system integrity during service or when a port is not in use. It is a high-demand service part found across a wide range of Cat (Caterpillar) excavators, motor graders, backhoe loaders, wheel loaders, track-type tractors, vibratory compactors, asphalt pavers, and generator sets powered by Cat 3054C, 3054E, C3.3, C4.4, C6.6, C7.1, and related engines.

Compatible Models

Caterpillar Excavators: 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313D2, 313D2 LGP, 314E CR, 314E LCR, 316E L, 318D2 L, 318E L, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D2 L, 323E L, 324E, 324E L, 324E LN, 329E, 329E L, 329E LN

Caterpillar Motor Graders: 120M, 120M 2, 12M

Caterpillar Backhoe Loaders: 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 442D, 442E, 444E, 444F, 450E, 450F

Caterpillar Wheel-Type Loaders: 910K, 910M, 914G, 914G2, 914K, 914M, 918M, 924H, 924Hz, 924K, 926M, 928H, 928HZ, 930H, 930K, 938H, 938K, 950 GC, 950K, 950L, 950M Z, 962, 962K, 962L, 962M, 962M Z

Caterpillar Track-Type Tractors: D3K XL, D3K2 LGP, D4K XL, D4K2 XL, D5K LGP, D5K2 XL, D5R LGP, D6K, D6K LGP, D6K XL, D6K2, D6K2 LGP, D6N, D6N LGP, D6N OEM

Caterpillar Vibratory Compactors: CB-434D, CB-44B, CB-534D, CB-54, CB-54B, CB-564D, CB-64, CD-54, CP-433E, CP-44, CP-533E, CP-54B, CP-56, CP-64, CP-68B, CP-74B, CP-76, CS-323C, CS-423E, CS-433E, CS-44, CS-533E, CS-54, CS-54B, CS-56, CS-56B, CS-64

Caterpillar Asphalt Pavers: AP-1000E, AP-1055E, AP-300, AP-300D, AP-555E, AP-600D, AP-650B, AP-655D, AP-800D, BG1000E, BG1055E, BG500E, BG600D, BG655D

Caterpillar Generator Sets: C3.3, C4.4, C4.4XQ100, C4.4XQ80, C6.6, C7.1

Caterpillar Industrial Engines: 2384C, 2470C, 2484C, 2570C, 2670C, 3054C, 3054E

Replaces Part Number(s):

2321322

New aftermarket replacement part - not remanufactured, not used.