530658 - Teledyne Continental Motor OEM Connecting Rod Bushing

530658 – Teledyne Continental Motor OEM Connecting Rod Bushing

Available now on the Airparts.aero Marketplace.

Overview

The Teledyne Continental Motor (TCM) 530658 is a genuine OEM connecting rod bushing, also known as a piston pin or wrist pin bushing. This precision-machined component is engineered to be press-fit into the small end of a connecting rod, where it serves as the critical, high-load bearing surface for the piston pin. Manufactured from a specialized bearing-grade bronze alloy, the 530658 is designed to withstand the immense pressures and oscillating motion generated during the combustion cycle. As a genuine Continental part, it ensures the correct material properties and dimensions required for a reliable and long-lasting engine build.

Key Features

• High-Strength Bronze Alloy: Fabricated from a specific bronze alloy selected by Continental for its exceptional lubricity, high load-bearing capacity, and resistance to wear and deformation under extreme pressure and temperature.
• Precision Outer Diameter: The bushing is manufactured with a precisely controlled outer diameter to ensure the correct interference fit when pressed into the connecting rod. This press-fit is critical to prevent the bushing from spinning in the rod bore.
• Semi-Finished Inner Diameter: Supplied with a semi-finished inner diameter that is intentionally undersized. This allows an engine machinist to perform the final reaming or honing operation after installation, achieving a perfect, customized clearance for the piston pin.
• Optimized Lubrication: Often incorporates design features to improve oil retention and distribution, ensuring a consistent film of lubrication is maintained between the bushing and the oscillating piston pin.
• Genuine OEM Component: Guarantees the part meets the stringent material composition, hardness, and quality standards required by the original FAA Type Certificate for the engine.

Technical Specifications

• Part Number: 530658
• Component Type: Connecting Rod Bushing (Piston Pin Bushing)
• Installation Method: Press-fit into connecting rod small end.
• Final Sizing: Requires reaming or honing to final size after installation.
• Material: High-Strength Bearing Bronze Alloy
• Certification: FAA Production Approval

Engine Compatibility

The Continental 530658 bushing is specified for use in a wide range of Continental's most popular and enduring engine families. Verifying the correct part number in the specific engine's Illustrated Parts Catalog (IPC) is a mandatory step for any engine builder.

• Compatible Engine Series:
  • O-470, IO-470, TSIO-470
  • IO-520, TSIO-520
  • GTSIO-520
  • IO-550, TSIO-550
  • Note: Also specified for use in many other historic and current Continental engine models.

Applications

The 530658 bushing has a singular, high-stakes application within the engine:

• Reciprocating Assembly Bearing: Serves as the bearing surface that allows the piston to pivot on the connecting rod. This joint transfers the full force of combustion from the piston to the connecting rod.
• Mandatory Overhaul Component: The connecting rod bushings are always replaced during a major engine overhaul to restore critical operating clearances to factory specifications.

Why Choose 530658?

The interface between the piston pin and connecting rod is one of the most highly loaded bearing surfaces in an entire engine. The integrity of this joint is absolutely critical to engine reliability. Using a genuine Continental 530658 OEM bushing is the only way to ensure the correct alloy composition and manufacturing quality specified by the engine designer. Non-certified parts risk material failures, improper clearances, and subsequent catastrophic engine damage. For professional engine builders, using genuine Continental bushings and performing the correct final sizing procedure is a cornerstone of a safe, airworthy, and durable engine overhaul.

Order Your 530658 Connecting Rod Bushings Now

Build your Continental engine to exact factory specifications with genuine OEM components. Visit Airparts.aero to order your set of 530658 connecting rod bushings today.

The Continental 530658 bushing operates under a boundary lubrication regime, bearing tremendous force with relatively low angular velocity. The material choice, typically a leaded tin bronze or aluminum bronze, is critical. It must be strong enough to resist deformation under combustion pressures that can exceed 8,000 PSI, yet soft and porous enough to absorb and retain a film of oil. The installation process is just as critical as the part itself. After being cryo-fit or press-fit into the connecting rod, the bushing experiences some compression. The final step of line reaming or honing is not just for sizing; it also ensures the bore is perfectly concentric, straight, and has the proper surface finish (measured in Ra) to promote oil retention and a rapid break-in period. This meticulous process ensures the piston pin "floats" on a film of oil, preventing metal-to-metal contact and ensuring a long service life.

Note: This is a critical engine internal component that requires specialized tools and expertise for proper installation. Installation and final sizing must be performed by a qualified engine machinist or certified A&P mechanic in strict accordance with the procedures outlined in the current Continental Motors Overhaul Manual.

Description: Bushing
Part Number: 530658 
FAA PMA Alternate Part Number: Superior Air Parts Inc P/N - SA530658 [Click Here]
Alternate Part Number: 658714

SUPERSEDES TO 658714

Product Overview

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes bushing, drill, jig.

Features

Aircraft Eligibility

**Parts Catalog GTSI0520C7B P/N - 530658 Item # 46 [Click Here]

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