CAT 231-2812 Inner Diameter Ring Seal (236 mm)

Product Overview

The CAT 231-2812 Inner Diameter Ring Seal is a genuine Caterpillar OEM exhaust pipe sealing component designed to provide a secure and durable seal between exhaust system connections. With an inner diameter of 236 mm, this ring seal helps prevent exhaust gas leakage while maintaining proper exhaust flow and system performance.

Manufactured to Caterpillar’s strict engineering standards, the 231-2812 Ring Seal is designed to withstand high temperatures, vibration, and heavy-duty operating conditions found in mining, quarry, and construction equipment. It provides reliable sealing performance and ensures proper fit within compatible Cat exhaust assemblies.

Key Features

• Genuine Caterpillar OEM Ring Seal
• Inner diameter: 236 mm (9.29 in)
• Designed for Cat exhaust pipe applications
• Helps prevent exhaust gas leakage
• Durable material construction for high-temperature environments
• Resistant to vibration and thermal cycling
• Precision-manufactured for OEM fit and reliability
• Supports proper exhaust system sealing and performance
• Designed for heavy-duty Caterpillar equipment applications

Technical Specifications

Compatible Caterpillar Equipment

The CAT 231-2812 Ring Seal is used on selected Caterpillar heavy equipment, including:

Off-Highway Trucks

• 777
• 777D
• 777E

Quarry Trucks

• 777E

Mining Trucks

• 785C
• 789C

Wheel Tractor-Scrapers

• 776D
• 784C

Compatibility should always be confirmed using the machine Product Identification Number (PIN) or Serial Number (S/N), as exhaust system configurations may vary by machine model and production year.

Related Sealing Components

The CAT 231-2812 Ring Seal is commonly used with related exhaust sealing components, including:

• CAT 2W-8851 Outer Diameter Seal Ring (266.60 mm)
• CAT 3J-1907 O-Ring
• Other exhaust system sealing components depending on equipment configuration

Additional Compatibility Information

This ring seal is designed specifically for Caterpillar exhaust pipe assemblies. Before installation, verify compatibility through the machine serial number or parts manual to ensure correct application and sealing performance.

Benefits

Installing a genuine CAT 231-2812 Ring Seal helps:

• Maintain a leak-free exhaust connection
• Reduce exhaust gas leakage
• Protect nearby components from excessive heat exposure
• Improve exhaust system reliability
• Reduce maintenance downtime
• Ensure OEM-quality fit and durability in harsh operating environments