Kolbenschmidt 77531600 Engine Connecting Rod Bearing Set

Kolbenschmidt Connecting Rod Bearing Set 77531600

Kolbenschmidt 77531600 is a standard-size engine connecting rod bearing set for Mercedes-Benz inline and V6/V8 applications that call for OE-size service parts. Built for repair-stage standard sizing, this set is specified for engines using OE numbers such as A1110380910 and A1110381510.

Key Features

• Engine connecting rod bearing set for cylinder block component service
• Standard size [STD] repair stage
• Quantity unit: set
• Component number: 71773600
• Direct reference part number: 77531600

Detailed Description

This Kolbenschmidt connecting rod bearing set is made for engine rebuild and maintenance work where standard-size bearings are required. It is listed for a wide range of Mercedes-Benz models, including SLK230, C230, C280, C220, E320, SL320, S320, 190E, 300CE, 300E, 300SE, 300TE, 300SEL, and 260E. If you are searching for a Mercedes-Benz SLK230 connecting rod bearing set 77531600 or a Mercedes-Benz E320 standard-size rod bearing set, this part matches the OE-numbered applications shown in the fitment data.

This part cross-references OE numbers A1110380910 and A1110381510 for the same application.

What It Helps Address

• Rod bearing wear found during engine teardown
• Noise from worn connecting rod bearings
• Loss of proper oil clearance in standard-size engine rebuilds
• Service replacement needs for OE-numbered Mercedes-Benz engine applications
• Repair-stage bearing replacement during bottom-end engine work

Installation Notes and Tips

• Confirm the engine’s OE number before ordering, especially on Mercedes-Benz SLK230, C230, C280, and C220 applications.
• Verify that the engine requires standard size [STD] bearings rather than undersize or oversize components.
• Measure crankshaft journals and inspect rod condition before installation.
• Use clean assembly practices and follow factory torque and lubrication specifications during engine reassembly.

Quality Assurance

Kolbenschmidt is an established engine parts brand used in OE and service applications. Part number 77531600 is cataloged as a standard-size connecting rod bearing set for the listed Mercedes-Benz fitments.