Elring 685.340 Engine Crankshaft Seal - Rear

Overview of Elring Engine Crankshaft Seal 685.340

The Elring 685.340 engine crankshaft seal is designed for reliable sealing performance in select Jeep and Mercedes-Benz models. Engineered with durable materials and a metal housing, this seal ensures effective protection against oil leaks and contamination.

• Material: PTFE (polytetrafluoroethylene) combined with ACM (polyacrylate rubber) for enhanced durability
• Inside Diameter: 93.0 mm, suitable for specific crankshaft dimensions
• Metal housing construction for structural integrity
• Radial shaft seal design type: SP for optimal sealing
• Swirl type: LD to improve sealing efficiency

Technical Details and Material Composition

The Elring 685.340 crankshaft seal features a combination of PTFE and ACM materials. PTFE provides excellent chemical resistance and low friction, while ACM offers flexibility and heat resistance. The metal housing adds strength and maintains the seal's shape under operating conditions. This radial shaft seal with SP design and LD swirl type is engineered to maintain a tight seal around the crankshaft, reducing the risk of oil leaks and contamination in the engine compartment.

Compatible Vehicles and Applications

This engine crankshaft seal is compatible with Jeep Grand Cherokee and Mercedes-Benz models including the E320, ML320, and R320. The 93.0 mm inside diameter matches the crankshaft specifications for these vehicles, ensuring a proper fit and reliable sealing performance.

• Prevents oil leaks from the crankshaft area
• Protects engine components from dirt and debris ingress
• Maintains engine oil pressure by sealing the crankshaft
• Reduces wear on the crankshaft and surrounding parts
• Helps avoid costly engine repairs related to seal failure

Installation Notes and Tips

When installing the Elring 685.340 crankshaft seal, ensure the crankshaft and housing surfaces are clean and free of debris. Use appropriate tools to avoid damaging the metal housing or sealing lip. Verify the seal orientation matches the radial shaft seal design specifications. Proper installation will help maintain the seal’s integrity and extend its service life.

Quality Assurance and Warranty

Elring manufactures the 685.340 crankshaft seal to meet stringent quality standards. The use of PTFE and ACM materials combined with a metal housing ensures durability under typical engine operating conditions. While specific warranty details may vary, Elring products generally come with manufacturer-backed quality assurance to support reliable performance in compatible Jeep and Mercedes-Benz vehicles.