1976995/1339306 Valve Guide In Engine Robust For Caterpillar 3508B

Product Specification

3508B Set:

---Valve guide oem: 1976995 / 1339306 (material:Alloy cast iron)

---Intake valve seat oem:1302607(material:High chromium alloy)

---Exhaust valve seat oem:1302608(material:High chromium alloy)

Engineered to meet the rigorous demands of industrial power systems, the Caterpillar 3508B Valve Guide (OEM #1976995 / 1339306) delivers exceptional durability and precision for critical engine operations. These genuine OEM valve guides are manufactured to exact Caterpillar specifications, ensuring perfect compatibility with 3508B engines in the most challenging environments.

The valve guide's high-density bronze alloy construction provides superior resistance to extreme temperatures, maintaining structural integrity even under continuous 700°C (1292°F) operating conditions. Precision machining to 0.003mm tolerance guarantees optimal valve alignment, reducing wear on surrounding components and extending overall engine life. The proprietary spiral groove design enhances oil retention, ensuring proper lubrication throughout the valve's movement cycle.

Designed specifically for Caterpillar's industrial power units, these valve guides are essential components in power generation systems, marine propulsion engines, and heavy mining equipment. Their robust construction addresses the common challenges of industrial engine operation, including thermal stress, mechanical wear, and lubrication demands. The C95400 Aluminum Bronze material offers exceptional hardness (90-100 HRB) while maintaining the necessary ductility for high-load applications.

Performance benefits include significantly reduced valve train maintenance requirements, with field tests showing up to 40% longer service intervals compared to standard aftermarket alternatives. The precision fit maintains optimal compression ratios, contributing to consistent fuel efficiency across operating conditions. Special high-temperature versions are available for applications involving extreme thermal cycles or continuous heavy loads.

Customization options cater to specific operational needs, including special coatings for corrosive environments, oversized versions for rebuilt engines, and high-nickel alloys for particularly severe service conditions. The standard configuration delivers reliable performance in power plants, offshore platforms, and mining operations where engine reliability is critical.

Technical specifications include a surface finish of 0.2-0.3μm Ra for optimal lubrication, wall concentricity of 99.8% minimum, and operation across a temperature range of -50°C to 750°C (-58°F to 1382°F). These parameters ensure consistent performance whether in arctic conditions or tropical environments.

For operators requiring Caterpillar-certified components that match OEM performance standards, these valve guides provide the ideal solution. Available through global distribution channels with multiple stocking locations, they offer reliable availability for maintenance schedules and emergency replacements alike. The product includes full material traceability and meets international quality standards for heavy industrial components.

With over 30 years of expertise in automotive parts export, we specialize in manufacturing high-precision, high-performance components for global markets. Our products meet stringent quality standards and are trusted by clients worldwide.

• Equipped with advanced testing machinery for material analysis and heat treatment verification.
• Dedicated engineering and QC teams ensure every product meets your exact specifications and performance requirements.

• Custom solutions available based on your samples or technical drawings.
• Trial orders (small quantities accepted) to facilitate smooth collaboration and build long-term partnerships.