2785273 Sensor Kt-Air Pressure Fits Caterpillar Models

One New Aftermarket Replacement Air Pressure Sensor Kit for Caterpillar (Cat) Equipment

This air pressure sensor kit replaces Caterpillar OEM part number 278-5273 (also formatted as 278-5273). The kit includes a 339kPa brass pressure sensor (274-6720) and a VMQ O-Ring (199-9252), providing everything needed for a complete sensor replacement on Caterpillar C4.4, C6.4, and C6.6 diesel engines used across a wide range of Cat construction, paving, and compaction equipment.

Kit Includes

• 1x Pressure Sensor, 339kPa Brass (replaces 274-6720)
• 1x VMQ O-Ring, 2.1 x 11.4mm 70A (replaces 199-9252)

Specifications

• Length: 4.5 in (114.3 mm)
• Width: 101.6 mm
• Height: 0.5 in (12.7 mm)
• Weight: 0.11 lbs
• Sensor Rating: 339kPa
• O-Ring Material: VMQ (Silicone)

Compatible Models

Caterpillar Motor Graders: 120M, 12M

Caterpillar Excavators: 320D GC, 320D L, 323D L, 2470C

Caterpillar Wheel Loaders: 914G, 924H, 924HZ, 928H, 928HZ, 938H, IT14G, IT14G2, IT38H

Caterpillar Backhoe Loaders: 420E, 430E, 450E

Caterpillar Track-Type Loaders: 953D, 963D

Caterpillar Multi-Terrain / Skid Steer Loaders: 553C, 559

Caterpillar Wheel Tractor-Scrapers / Pipe Layers: 613G

Caterpillar Asphalt Pavers: AP-600D, AP-655D, AP1000E, AP1055E, AP555E

Caterpillar Asphalt / Soil Compactors: CS-44, CS-54, CS-54B, CS-56, CS-56B, CS-64, CS-68B, CS-74, CS-74B, CS-78B, CP-44, CP-56, CP-64, CP-76

Caterpillar Asphalt Screeds / Finishers: BG500E, BG600D, BG655D

Caterpillar Engines: 3054E, 3056E, C4.4, C6.4, C6.6

Caterpillar Generators / Integrated Tool Carriers / Pumpers: LC20XX, LC30XX, IT14G, IT38H, SPF343C

Caterpillar Vibratory Compactors: CB-54, CB-54B, CB-64

Replaces Part Number(s):

2785273, 278-5273, CA2785273, 274-6720, 2746720

New aftermarket replacement part - not remanufactured, not used.