A-Premium Front CV Axle Shaft Assembly — Driver or Passenger Side, 33-Spline 6-Bolt Flange

The A-Premium front CV axle shaft assembly is a direct-fit replacement for select Chevrolet and GMC 4WD trucks, delivering a complete front left or right axle with 33 splines, a six-bolt flange and included axle nut.

This axle assembly is engineered to match factory dimensions and mounting patterns for many Chevy and GMC heavy-duty models. It arrives with a standard neoprene outboard boot and the correct compressed length to restore driveline function without modifying existing components. Use it when the existing CV axle shows wear, leaking boots, vibration, or play in the joint.

Which vehicles does this A-Premium axle fit?

It fits a wide range of Chevrolet and GMC 4WD trucks and SUVs across late 1990s to early 2010s model years. Compatibility is limited to four-wheel-drive configurations and covers Silverado, Sierra, Suburban, Yukon XL, Avalanche, and multiple HD and Classic variants.

• Chevrolet: Avalanche 2500 (2002–2006), Silverado 1500/2500/3500 HD and Classic (various years listed), Suburban 2500 (2000–2013).
• GMC: Sierra 1500/2500/3500 HD and Classic, Yukon XL 2500 (comparable years).
• Important: Only for 4WD models; verify year, drivetrain, and wheel side before ordering.

What are the key specifications I should check before buying?

Confirm the compressed length, spline count and bolt pattern to ensure a proper match. This assembly has a 21.77-inch compressed length, 33 output splines, and a six-bolt input flange, plus an M24 x 2.0 spindle nut thread size.

• Compressed length: 21.77 inches (installed length consideration).
• Spline count: 33 output splines for hub engagement.
• Bolt pattern: 6-bolt input flange; axle nut included for reassembly.
• ABS ring: not included—confirm if your vehicle requires ABS tone ring separately.

How does installation and included hardware simplify replacement?

The axle comes supplied with an axle nut and a standard neoprene outboard boot so you get the primary parts needed for a straightforward swap. Because it follows factory mounting points and thread specifications, most technicians can install it using common tools without modifying surrounding components.

• Axle nut included to match the M24 x 2.0 spindle threads.
• Standard neoprene outboard boot already installed for joint protection.
• Factory-style 6-bolt flange—no drilling or adapters required for matched models.
• No ABS ring included—purchase separately if your application needs it.

Will this axle replace my existing part numbers or OE references?

It corresponds to several reference numbers commonly used for replacement ordering, so you can cross-check before purchase. If your original part or parts catalog lists one of the provided reference numbers, this assembly is intended as a compatible direct-fit option.

• Referenced numbers include: 15868120, 20875738, 26069242, NCV10241, 661325, 66-1325.
• Use these references when confirming fit with vehicle service literature or databases.

Who is this for: This A-Premium front CV axle shaft assembly is aimed at owners, mechanics, and fleets running 4WD Chevrolet and GMC heavy-duty trucks and full-size SUVs that need a reliable, direct-fit replacement. It suits anyone replacing a worn or damaged front axle on compatible models who wants factory-style dimensions, included axle nut, and a preinstalled neoprene boot to speed repair and minimize driveline downtime.