Kolbenschmidt 87800611 Engine Crankshaft Main Bearing Set

Reliable Engine Crankshaft Main Bearing Set by Kolbenschmidt

The Kolbenschmidt 87800611 engine crankshaft main bearing set is designed to provide precise fit and durability for engine rebuilds. This set is engineered to meet exacting standards, ensuring smooth crankshaft operation and long-lasting performance in compatible vehicles.

• Includes component numbers 85378611 and 85379611 for comprehensive coverage
• Supplied as a complete set for efficient engine repair
• Repair stage 0.25 ensures proper sizing for worn crankshaft journals
• Manufactured by Kolbenschmidt, a trusted name in engine components
• GTIN 04028977110610 for easy identification and ordering

Product Details and Specifications

This engine crankshaft main bearing set from Kolbenschmidt is designed to restore proper clearance between the crankshaft and engine block. The included components 85378611 and 85379611 correspond to the main bearing shells required for a precise fit. The repair stage of 0.25 indicates that these bearings are sized to accommodate crankshaft journals that have been machined down by 0.25 mm, a common practice during engine rebuilding to ensure optimal bearing clearance and prevent premature wear.

While specific vehicle fitment is not listed, this bearing set is typically compatible with various makes and models requiring a 0.25 mm repair stage main bearing. It is important to verify compatibility with your vehicle’s engine specifications before purchase.

Common Applications and Problem Resolution

• Addresses excessive crankshaft bearing clearance due to wear
• Prevents engine knocking and vibration caused by worn main bearings
• Restores oil film integrity for proper lubrication of the crankshaft
• Reduces risk of crankshaft damage during engine operation
• Supports engine rebuilds where crankshaft journals have been machined

Installation Notes and Tips

Ensure the crankshaft journals are machined to the correct undersize of 0.25 mm before installing this bearing set. Clean all bearing surfaces thoroughly to remove debris and contaminants. Use proper assembly lubricant during installation to prevent initial wear. Verify bearing clearance with plastigage or a micrometer to confirm correct fitment. Follow manufacturer torque specifications for main bearing caps to avoid distortion.

Quality Assurance and Warranty

Kolbenschmidt engine components are manufactured to meet stringent quality standards, ensuring reliable performance and durability. This main bearing set undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region and application.