Locknut Socket 8 Point

The AFF 18538 locknut socket features a 4½″ 8‑point profile and welded ¾″ drive plate for high torque applications. Forged from high-tensile steel with a corrosion-resistant powder coat and laser-etched markings for quick ID, it fits both breaker bars and ratchets. Designed with chamfered edges for smooth installation and removal, this rugged socket excels in demanding heavy-duty truck and trailer maintenance.

American Forge & Foundry Part No: 18538

$59.69

Specifications

American Forge & Foundry part 18538 is a high-quality 4½″, 8-point locknut socket crafted for robust axle and wheel-bearing locknut applications. It features a machine-welded ¾″ drive plate compatible with breaker bars, torque wrenches, or ratchets. Built from high-tensile steel and coated in corrosion-resistant black powder paint, it’s designed to withstand frequent use in demanding environments. A chamfered entry aids smooth nut engagement, while dual-layer laser etching ensures the part number and size remain legible even after heavy use. With precision engineering for consistent performance and individual barcoded packaging, AFF backs this tool with its long-standing reputation for durability and quality.

Weight

Compatibility

Cadillac Trucks
Cadillac Escalade EXT: 2002–2013

Chevrolet Trucks
Chevrolet C/K Series: 1960–2000
Chevrolet Silverado 1500/2500/3500: 1999–present
Chevrolet Colorado: 2004–2012, 2015–2024
Chevrolet Avalanche: 2002–2013

Chrysler Trucks
Chrysler Aspen (SUV–based truck): 2007–2009

Dodge Trucks (Before Ram became its own brand in 2010)
Dodge D-Series: 1961–1993
Dodge Ram 150/250/350: 1981–2010
Dodge Dakota: 1987–2011

Ford Trucks
Ford F-Series (F-150, F-250, F-350, etc.): 1948–present
Ford Ranger: 1983–2011, 2019–present
Ford Super Duty (F-250–F-550): 1999–present

Freightliner Trucks
Freightliner FLD, M2, Cascadia, Columbia, etc.: 1990s–present
(Models vary; e.g., Cascadia since 2007, M2 since early 2000s)

GMC Trucks
GMC Sierra 1500/2500/3500: 1999–present
GMC Canyon: 2004–2012, 2015–2024
GMC Syclone/Sonoma: 1982–2004

Honda Trucks
Honda Ridgeline: 2006–2014, 2017–present

Hummer Trucks
Hummer H1: 1992–2006
Hummer H2 SUT: 2005–2009
Hummer H3T: 2009–2010

Isuzu Trucks
Isuzu Pickup/TF: 1972–2002
Isuzu i-Series (rebadged Chevy Colorado): 2006–2008
Isuzu NPR/NQR/FRR (commercial): 1980s–present

Jeep Trucks
Jeep Gladiator (J-Series): 1962–1988
Jeep Comanche (MJ): 1986–1992
Jeep Gladiator (JT): 2020–present

Land Rover Trucks
Land Rover Defender (Pickup variants): 1983–2016, 2020–present
Land Rover Series III Pickup: 1971–1985

Nissan Trucks
Nissan Hardbody (D21): 1986–1997
Nissan Frontier: 1998–present
Nissan Titan: 2004–2024

Ram Trucks (Brand spun off from Dodge in 2010)
Ram 1500/2500/3500: 2010–present

Subaru Trucks
Subaru BRAT: 1978–1994
Subaru Baja: 2003–2006

Toyota Trucks
Toyota Pickup (Hilux in some regions): 1968–1995
Toyota T100: 1992–1998
Toyota Tacoma: 1995–present
Toyota Tundra: 2000–present

Volvo Trucks
Volvo VHD/VNL/VNM/VNR: 1996–present
Volvo FL/FE/FMX (Europe): 1980s–present

Workhorse Trucks
Workhorse P-Series, W-Series, E-Gen, C-Series: 1998–present