113-501-231 VW Beetle & Ghia Rear Axle Stub - 8mm Threads (1969-1979)

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Rear Axle Stub (Standard Size, 8mm Threads) – 113-501-231 The 113-501-231 is a critical drivetrain component for late-model air-cooled Volkswagens. Over decades of use, these stub axles can suffer from stripped inner threads due to over-torqued CV bolts, or worn outer splines caused by loose axle nuts. A damaged stub axle leads to dangerous wheel play, brake drum damage, or loose CV joints. Installing this high-quality, factory-dimension replacement restores a tight spline fit and ensures your rear suspension operates safely and quietly. This axle stub is sold individually and fits either the driver or passenger side of IRS-equipped Type 1 models. Detailed Vehicle Compatibility VW Beetle & Super Beetle (IRS Models Only): 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979 VW Karmann Ghia (IRS Models Only): 1969, 1970, 1971, 1972, 1973, 1974 Product Highlights & Features Precision Machined Splines: Ensures a tight, no-slip interface with the rear brake drum, preventing the common "stripped drum" failure. Factory Standard Dimensions: Direct original equipment (OE) replacement that perfectly matches original bearing and grease seal tolerances. Symmetrical Design: Non-directional casting allows this part to be used interchangeably on either the left or right side of the vehicle. Technical Specifications Part Number: 113-501-231 Suspension Type: Independent Rear Suspension (IRS) Flange Thread Size: 8mm Quantity: Sold Individually (Each) Installation & Maintenance Tips Check Your CV Bolt Size: While 1969-1979 Type 1 models standardly used 8mm threads, some high-performance or modified cars upgrade to the larger Type 2 (Bus) CV joints which use 10mm bolts. Always verify your bolt size before ordering. Torque the Axle Nut: The large outer castle nut requires massive torque (typically 217 ft-lbs). Failing to torque this nut completely will cause the new stub axle splines to strip out inside the brake drum within a few miles. Replace the Seals: Whenever pulling the stub axle out of the trailing arm, always install new inner and outer wheel bearing grease seals and a fresh cotter pin for the castle nut to ensure a leak-free repair. 113501231 16-2308-0 Show more