American Forge & Foundry Locknut Socket 6 Point Part No: 18539
$73.50
The AFF 18539 locknut socket features a 5¼″ 6‑point hexagon design with a welded ¾″ drive plate for reliable torque applications. Made of high-tensile steel, finished with corrosion-resistant powder coat, and laser-etched for quick part identification. Compatible with ratchets and breaker bars, its chamfered edge allows smooth nut engagement and removal, making it ideal for heavy-duty wheel-bearing and axle maintenance tasks.
Specifications
American Forge & Foundry part 18539 is a premium 5¼″, 6‑point locknut socket crafted for professional axle and wheel-bearing locknut removal and installation. It features a machine-welded ¾″ drive plate compatible with ratchets, breaker bars, or torque wrenches. Forged from high-tensile steel and coated in weather-resistant black powder, this socket endures heavy usage. The chamfered entry design eases fitment, while dual-layer laser etching ensures part number and diameter remain visible even after extensive shop use. Individually bar-coded and boxed, it's engineered for precision fit and durability in demanding fleet and heavy-truck environments.
Weight
2
Compatibility
Freightliner Trucks – Year Models
Freightliner FLD Series: 1987–2001
Freightliner Century Class: 1996–2010
Freightliner Columbia: 2001–2015
Freightliner Coronado: 2002–2020
Freightliner Cascadia: 2007–present
Freightliner M2 106 / M2 112 (Medium Duty): 2002–present
Freightliner 114SD / 122SD (Severe Duty): 2011–present
Peterbilt Trucks – Year Models
Peterbilt 379: 1987–2007
Peterbilt 389: 2007–present
Peterbilt 579: 2012–present
Peterbilt 367 / 386 / 587: 2005–2021
Peterbilt 567 (vocational): 2013–present
Kenworth Trucks – Year Models
Kenworth W900: 1961–present
Kenworth T600: 1985–2007
Kenworth T660: 2008–2017
Kenworth T680: 2013–present
Kenworth T800: 1987–present
Kenworth C500 (off-highway): 1970s–present
Mack Trucks – Year Models
Mack R Series: 1966–2005
Mack CH Series: 1988–2007
Mack Vision (CX613): 1999–2008
Mack Pinnacle Series (CXU): 2006–2022
Mack Anthem: 2018–present
Mack Granite (vocational): 2001–present
Mack LR (low entry): 2016–present
Volvo Trucks – Year Models
Volvo VN Series (includes VNL/VNM): 1996–present
Volvo VNL (Long Haul): 2000–present
Volvo VNR (Regional): 2017–present
Volvo VHD (Vocational): 2000–present
Volvo WIA/WIL Series: 1980s–1996
Freightliner FLD Series: 1987–2001
Freightliner Century Class: 1996–2010
Freightliner Columbia: 2001–2015
Freightliner Coronado: 2002–2020
Freightliner Cascadia: 2007–present
Freightliner M2 106 / M2 112 (Medium Duty): 2002–present
Freightliner 114SD / 122SD (Severe Duty): 2011–present
Peterbilt Trucks – Year Models
Peterbilt 379: 1987–2007
Peterbilt 389: 2007–present
Peterbilt 579: 2012–present
Peterbilt 367 / 386 / 587: 2005–2021
Peterbilt 567 (vocational): 2013–present
Kenworth Trucks – Year Models
Kenworth W900: 1961–present
Kenworth T600: 1985–2007
Kenworth T660: 2008–2017
Kenworth T680: 2013–present
Kenworth T800: 1987–present
Kenworth C500 (off-highway): 1970s–present
Mack Trucks – Year Models
Mack R Series: 1966–2005
Mack CH Series: 1988–2007
Mack Vision (CX613): 1999–2008
Mack Pinnacle Series (CXU): 2006–2022
Mack Anthem: 2018–present
Mack Granite (vocational): 2001–present
Mack LR (low entry): 2016–present
Volvo Trucks – Year Models
Volvo VN Series (includes VNL/VNM): 1996–present
Volvo VNL (Long Haul): 2000–present
Volvo VNR (Regional): 2017–present
Volvo VHD (Vocational): 2000–present
Volvo WIA/WIL Series: 1980s–1996
Alternative Part Numbers
- AFF‑18539
- AFF18539
- Model 136976
- UPC 874015002683
