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

Product Overview

The CAT 231-2812 Inner Diameter Ring Seal is a genuine Caterpillar OEM sealing component designed to provide a reliable, leak-resistant connection within heavy-duty exhaust systems. With an inner diameter of 236 mm, this ring seal is engineered to maintain proper sealing between exhaust pipe components, helping prevent exhaust leakage and ensuring efficient engine operation.

Manufactured to Caterpillar’s exact specifications, the 231-2812 ring seal is designed to withstand high temperatures, vibration, and harsh operating conditions commonly found in mining, quarry, and heavy construction equipment. Its precision fit helps maintain exhaust system integrity and long service life.

Key Features

• Genuine Caterpillar OEM ring seal
• Inner diameter: 236 mm (9.29 in)
• Designed for Cat exhaust pipe applications
• Provides secure sealing between exhaust components
• Durable construction for high-temperature environments
• Resistant to vibration and thermal cycling
• Helps prevent exhaust gas leaks
• Precision-manufactured for OEM fit and performance
• Designed for heavy-duty mining and construction equipment
• Supports reliable exhaust system operation

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 model and production year.

Additional Compatibility Information

The CAT 231-2812 Ring Seal is commonly installed together with related exhaust sealing components, including the 2W-8851 Outer Diameter Seal Ring (266.60 mm) and other sealing elements depending on the specific exhaust assembly configuration.

Benefits

Installing a genuine CAT 231-2812 Inner Diameter Ring Seal helps:

• Maintain proper exhaust system sealing
• Reduce exhaust gas leakage
• Improve equipment reliability
• Protect surrounding components from heat exposure
• Reduce maintenance requirements
• Ensure correct OEM fit and performance
• Extend exhaust system service life in demanding environments