CAT 526-0626 Tube Assembly – Oil

Product Overview

The CAT 526-0626 Tube Assembly – Oil is a Genuine Caterpillar OEM oil tube assembly designed for use within the engine lubrication system oil lines. Manufactured to Caterpillar’s exact OEM specifications, this rigid tube provides a dependable pathway for lubricating oil between engine lubrication system components, helping maintain proper oil circulation, lubrication efficiency, and engine reliability.

The 526-0626 Oil Tube Assembly features a 1.0-inch outside diameter and is engineered to withstand the pressure, vibration, and elevated temperatures commonly encountered in heavy-duty Caterpillar equipment. Constructed from durable materials with precision-formed bends and OEM connection points, it ensures proper fit, leak-free performance, and long service life.

As a Genuine Caterpillar OEM replacement part, the 526-0626 Tube Assembly restores factory lubrication system integrity while delivering OEM-quality fit, durability, and reliable performance.

Key Features

• Genuine Caterpillar OEM Oil Tube Assembly
• Part Number: 526-0626
• Designed for Caterpillar engine lubrication systems
• Used within the engine lubrication system oil lines group
• Provides reliable oil flow between lubrication system components
• Precision-formed rigid tube construction
• 1.0-inch outside diameter
• Engineered for leak-free OEM connections
• Resistant to vibration, pressure, heat, and harsh operating conditions
• Direct OEM replacement manufactured to Caterpillar specifications

Technical Specifications

Note: Caterpillar has not published additional dimensional, pressure rating, material composition, or connection specifications for the CAT 526-0626 Tube Assembly – Oil beyond the information listed above.

Application Information

The CAT 526-0626 Tube Assembly – Oil is used within Caterpillar engine lubrication systems to provide reliable oil transfer between lubrication system components. As part of the engine lubrication system oil lines group, it helps maintain continuous oil circulation required for proper lubrication, cooling, and protection of critical engine components.

Manufactured to OEM standards, the tube assembly is designed to withstand:

• High oil temperatures
• Engine vibration
• Internal oil pressure
• Corrosion
• Harsh operating environments

These features help ensure dependable lubrication system performance while minimizing the risk of leaks and supporting long component service life.

Compatible Caterpillar Equipment

The CAT 526-0626 Tube Assembly – Oil is compatible with a wide range of Caterpillar equipment, including:

Generator Sets

• DE450GC
• DE450SGC
• DE500GC
• DE500SGC
• DE550GC
• C13 Generator Sets

Industrial & Petroleum Engines

• C11 Industrial Engine
• C13 Industrial Engine
• C11 Petroleum Engine
• C13 Petroleum Engine
• CX31-C13I Petroleum Package

Wheel Tractor-Scrapers

• 621
• 621K
• 623
• 623H
• 623K LRC
• 627
• 627H
• 627K LRC
• 632

Wheel Loaders

• 966H
• 972H
• 980C

Excavators

• 345D L

Track-Type Tractors

• D8N

Underground Trucks

• AD22

Rotary/Track Drills

• MD5125

Reclaimer Mixers

• RM-300

Compatibility should always be verified using the machine’s:

• Product Identification Number (PIN)
• Serial Number
• Arrangement Number
• Existing oil tube assembly part number

Verification through Caterpillar Parts information or an authorized Cat dealer is recommended before ordering.

Additional Compatibility Information

The 526-0626 Tube Assembly – Oil is a configuration-specific lubrication system component. Before installation, verify:

• Machine model
• Product Identification Number (PIN)
• Machine serial number
• Existing oil tube assembly part number
• Engine arrangement
• Lubrication system configuration
• Connection type and routing
• Equipment arrangement number

Any modifications to the original equipment configuration may affect compatibility. Confirmation through Caterpillar Parts information or an authorized Cat dealer is recommended before installation.

Benefits

Installing a genuine CAT 526-0626 Tube Assembly – Oil helps:

• Maintain reliable oil flow within the engine lubrication system
• Support proper engine lubrication and cooling
• Help prevent oil leaks and pressure loss
• Withstand vibration, pressure, and elevated operating temperatures
• Reduce downtime caused by damaged or leaking oil lines
• Simplify maintenance with a direct OEM replacement
• Restore factory lubrication system integrity
• Deliver OEM-quality fit, durability, and long-lasting reliability in demanding operating environments.