【COMPATIBLE WITH GMC, CHEVROLET & HUMMER 4WD TRUCKS/SUVS】 Compatible with 4WD models only: GMC Sierra 1500 HD (2001-2003, 2005-2006, 2007 Classic); Sierra 2500 (1999-2004); Sierra 2500 HD (2001-2010, 2007 Classic); Sierra 3500 (2001-2006); Sierra 3500 Classic (2007); Sierra 3500 HD (2007-2010); Yukon XL 2500 (2000-2013). Chevrolet Silverado 1500 HD with 2WS (2001-2003); Silverado 1500 HD (2005-2006, 2007 Classic); Silverado 2500 (1999-2004); Silverado 2500 HD (2001-2010, 2007 Classic); Silverado 3500 (2001-2006); Silverado 3500 Classic (2007); Silverado 3500 HD (2007-2010); Avalanche 2500 (2002-2006); Suburban 2500 (2000-2013). Hummer H2 (2003-2009). 【SINGLE AXLE - INTERCHANGEABLE LEFT OR RIGHT】This is a single CV axle assembly. One axle fits either the left (driver) or right (passenger) side. Replaces OEM numbers: 15868120, 20875738, 26069242, NCV10241, 66-1325 (661325). 100% dimensional inspection ensures proper fitment. 【HEAVY-DUTY CONSTRUCTION FOR 2500/3500 SERIES】Engineered for heavy-duty truck and SUV applications. Features reinforced splines, larger CV joints, and enhanced heat treatment to withstand towing, hauling, and 4WD demands of Sierra, Silverado, Yukon XL, Suburban, and Hummer H2 vehicles. 【SUPERIOR SEALING FOR 4WD & OFF-ROAD USE】Equipped with multi-layer reinforced rubber boots and corrosion-resistant heavy-duty clamps. Provides excellent protection against water, mud, road salt, and debris - essential for 4WD vehicles and off-road conditions encountered by trucks and SUVs. 【COMPLETE ASSEMBLY WITH INSTALLATION GLOVES】Factory pre-assembled, pre-greased, and dynamically balanced for immediate installation. Package includes: 1 CV axle assembly (fits left or right) + 1 pair of installation gloves. Solves clicking noises during turns, vibrations, or visible CV boot damage.

CV Axle Assembly Front Left or Right for GM 4WD Trucks & SUVs (1999-2013)

This is a single CV axle assembly featuring a unique interchangeable design that allows installation on either the left (driver) or right (passenger) side. Specifically engineered for heavy-duty GM 4WD trucks and SUVs.

Vehicle Compatibility Information

This single axle is compatible with the following 4WD vehicles only:

Compatible with GMC Models (4WD Only)

• Sierra 1500 HD 4WD: 2001-2003, 2005-2006, 2007 Classic
• Sierra 2500 4WD: 1999-2004
• Sierra 2500 HD 4WD: 2001-2010, 2007 Classic
• Sierra 3500 4WD: 2001-2006
• Sierra 3500 Classic 4WD: 2007
• Sierra 3500 HD 4WD: 2007-2010
• Yukon XL 2500 4WD: 2000-2013

Compatible with Chevrolet Models (4WD Only)

• Silverado 1500 HD 4WD with 2WS: 2001-2003
• Silverado 1500 HD 4WD: 2005-2006, 2007 Classic
• Silverado 2500 4WD: 1999-2004
• Silverado 2500 HD 4WD: 2001-2010, 2007 Classic
• Silverado 3500 4WD: 2001-2006
• Silverado 3500 Classic 4WD: 2007
• Silverado 3500 HD 4WD: 2007-2010
• Avalanche 2500 4WD: 2002-2006
• Suburban 2500 4WD: 2000-2013

Other Compatible Vehicles

• Hummer H2: 2003-2009

Important Compatibility Notes:

• 4WD MODELS ONLY - Not compatible with 2WD versions
• Single Axle - This listing is for ONE axle assembly
• Interchangeable Design - Fits both left and right sides
• Classic Models - Compatible with 2007 "Classic" body style
• HD Models - Designed for Heavy-Duty 2500/3500 series
• 2WS Models - Compatible with 2 Wheel Steering versions as specified

OEM Part Number Replacement

Interchangeable Design: This single axle replaces the following numbers and can be installed on either the left or right side:

• 15868120 (GM OEM)
• 20875738 (GM OEM)
• 26069242 (GM OEM)
• NCV10241 (Aftermarket)
• 66-1325 / 661325 (Aftermarket)

Unique Interchangeable Feature

Unlike traditional CV axles that are side-specific, this axle is designed to fit both the left and right sides of compatible vehicles. This simplifies installation and ensures you have the correct part regardless of which side needs replacement.

Product Features & Benefits

Heavy-Duty Construction

Engineered with reinforced components to handle the torque and weight demands of 2500/3500 series trucks and large SUVs.

4WD Optimized

Specifically designed for 4WD systems with enhanced durability for off-road and heavy towing applications.

Superior Sealing

Multi-layer rubber boots with heavy-duty clamps provide excellent protection against contaminants in harsh conditions.

Precision Engineering

Manufactured to exact specifications for proper fitment and smooth operation in demanding applications.

Common Symptoms of a Failing CV Axle

Consider replacing your CV axle if you notice:

• Clicking or popping noises when turning (especially with 4WD engaged)
• Vibrations during acceleration or at higher speeds
• Visible grease leakage from torn CV boots
• Shuddering or jerking during acceleration
• Difficulty engaging 4WD or unusual 4WD system noises

Installation Information

Package Includes:

• 1 x CV Axle Assembly (fits left or right side)
• 1 pair of installation gloves

Professional Installation Recommended

Installation on 4WD trucks and SUVs requires specific knowledge and tools. We recommend installation by a qualified automotive technician familiar with GM 4WD systems. Proper torque specifications and procedures are essential for safety and performance.

Complete Solution for Your GM 4WD Vehicle

This CV axle assembly provides a reliable replacement solution for your GMC Sierra, Chevrolet Silverado, or compatible GM SUV. With its unique interchangeable design and heavy-duty construction, it's engineered to meet the demands of your 4WD truck or SUV.

Always verify your vehicle's specific year, model, trim level, and drivetrain configuration before purchasing. Compatibility is limited to 4WD models as specified above.