DETROIT AXLE 6GS472928 Gear Box Pitman Idler Arm Outer Tie 1426GB Rods Kit 3500HD

( Brand: Detroit Axle ), ( Manufacturer Part Number: 6GS472928 ), ( Type: Gearbox Kit ), ( Manufacturer Warranty: Lifetime ), ( Bundle Description: Includes ), ( Oe/oem Part Number: 1426gb, K400018, K440019, K400020, Es800901 ), ( Fitment Type: Direct Replacement )

Review DETROIT AXLE Gear Box Pitman Idler Arm Outer Tie Rods Kit 3500hd fits SILVERADO SIERRA 2500HD

The **Detroit Axle 6GS472928 Gear Box, Pitman Arm, Idler Arm, and Outer Tie Rod Kit** is a premium, heavy-duty replacement assembly meticulously engineered to restore peak performance and reliability to your **Chevrolet Silverado 2500HD or 3500HD** (and its GMC Sierra HD counterpart) equipped with the legendary **6.6L Duramax diesel engine**. This kit represents a comprehensive solution for drivers who demand durability, precision, and long-term dependability in their towing and hauling applications. Designed for the **6.6L Duramax s** robust **6L90 or 6L100 six-speed automatic transmission**, this assembly ensures seamless power transfer while maintaining the structural integrity of your drivetrain.

At the heart of this kit is the **high-strength gear box housing**, a critical component that houses the internal gears responsible for transferring torque from the transmission to the rear axle. Crafted from premium, heat-treated steel, this housing is built to withstand the extreme forces generated during heavy-duty towing, off-road adventures, or prolonged hauling of oversized loads. The precision-machined surfaces and reinforced welds eliminate play and vibration, reducing wear on connected components and extending the lifespan of your drivetrain.

Complementing the gear box is the **pitman arm**, a pivotal linkage that translates the rotational motion of the steering gear into lateral movement of the axle. This component is forged from **high-grade alloy steel** and features a **smooth, ball-jointed connection** that ensures smooth, responsive steering even under the most demanding conditions. The pitman arm s robust construction prevents flexing or deformation, which is crucial for maintaining accurate wheel alignment and preventing premature wear on tires, bushings, and suspension components.

The **idler arm** in this kit is equally critical, serving as the fulcrum that redirects the steering linkage s motion to the pitman arm. Engineered from **forged steel** and treated with a **durable zinc phosphate coating**, this arm is designed to resist corrosion, fatigue, and excessive wear qualities essential for vehicles operating in harsh environments, such as construction sites, rural roads, or off-road trails. Its precise alignment with the pitman arm ensures that steering remains precise and predictable, even when carrying heavy loads or navigating rough terrain.

No steering or drivetrain assembly would be complete without the **outer tie rods**, which connect the steering rack or gearbox to the front wheels, transmitting steering inputs with minimal play. The **high-quality outer tie rods** included in this kit feature **sealed ball joints** and **corrosion-resistant coatings**, ensuring longevity and reliability. These rods are precision-balanced to reduce vibration and are designed to accommodate the natural movement of the suspension, preventing binding or premature failure. The **adjustable length** of the tie rods allows for proper wheel alignment, which is vital for optimal tire wear, fuel efficiency, and handling performance.

What truly sets this **Detroit Axle 6GS472928 kit** apart is its **OEM-level quality and compatibility**, ensuring a perfect fit for your **2001 2020 Chevrolet Silverado 2500HD/3500HD** and **GMC Sierra HD** models. The kit is engineered to meet or exceed the original equipment manufacturer s specifications, guaranteeing that your vehicle will perform as if it were brand new. Whether you re a fleet operator, a contractor, or a weekend warrior, this kit provides the confidence of knowing that your drivetrain is backed by **industry-leading durability and engineering**.

Installation of this kit is straightforward, thanks to the **clear labeling and precise fitment** of each component. The **gear box, pitman arm, idler arm, and tie rods** are pre-assembled where possible, reducing labor time and ensuring that everything aligns correctly from the start. For those who prefer a hassle-free experience, Detroit Axle offers **installation support and technical guidance**, ensuring that even DIY enthusiasts can complete the job with confidence.

In summary, the **Detroit Axle 6GS472928 Gear Box, Pitman Arm, Idler Arm, and Outer Tie Rod Kit** is more than just a replacement assembly it s a **long-term investment in the reliability and performance** of your **Duramax-powered Silverado or Sierra HD**. With its **superior materials, precise engineering, and unmatched durability**, this kit is the ideal choice for drivers who refuse to compromise on quality, whether they re hauling heavy loads, towing trailers, or tackling the toughest off-road challenges. Upgrade your drivetrain today and experience the difference that **Detroit Axle engineering** delivers.

### Pros and Cons of buying a Detroit Axle 6GS472928 Gear Box, Pitman Arm, Idler Arm, and Outer Tie Rods Kit for Chevrolet Silverado/Sierra 2500HD/3500HD

1. **Compatibility and Fitment** This kit is specifically designed for the Chevrolet Silverado and Sierra 2500HD/3500HD models, ensuring proper alignment and functionality with the drivetrain and steering components. The gear box, pitman arm, idler arm, and tie rods are engineered to match the vehicle s suspension geometry, reducing the risk of premature wear or misalignment issues.

2. **Durability and Quality** Detroit Axle is a well-known manufacturer in the heavy-duty truck industry, known for producing robust and reliable components. The gear box (also called the steering gearbox) is built to withstand heavy loads, frequent use, and harsh conditions, which is essential for large trucks used in towing, hauling, or off-roading. The pitman arm, idler arm, and tie rods are typically made from high-strength steel or reinforced materials, reducing the likelihood of bending or breaking under stress.

3. **Performance and Precision** The steering components in this kit are designed to provide smooth and responsive steering, even under heavy loads. The gear box s internal mechanisms are precision-engineered to minimize play and ensure accurate steering input. This is particularly important for trucks that carry heavy payloads or tow trailers, where steering stability is critical for safety.

4. **Ease of Installation** While installation can vary depending on the individual s mechanical skill level, Detroit Axle components are generally designed with practicality in mind. The kit includes all necessary parts (gearbox, pitman arm, idler arm, and outer tie rods), reducing the need for additional purchases. Many users report that the components are straightforward to install, especially if the vehicle has been previously serviced or if the owner has basic mechanical experience. The kit often comes with clear instructions or part numbers that align with common aftermarket guides.

5. **Cost-Effectiveness** Purchasing a complete kit from Detroit Axle can be more economical than buying individual parts from different suppliers. This avoids the hassle of sourcing each component separately and ensures that all parts are compatible. Additionally, investing in quality parts upfront can prevent costly repairs down the road, such as damaged steering linkages or misaligned wheels, which can lead to uneven tire wear or handling issues.

6. **Warranty and Support** Detroit Axle typically offers warranties on their products, providing peace of mind for buyers. If a part fails prematurely due to a manufacturing defect, the warranty may cover replacement or repair. The company also has a reputation for customer support, which can be helpful if questions arise during installation or use.

7. **Compatibility with Aftermarket Upgrades** If the Silverado/Sierra is equipped with aftermarket suspension lifts, heavy-duty axles, or other modifications, this kit is often designed to integrate seamlessly. The steering components are built to accommodate slight variations in suspension geometry, making them a versatile choice for modified trucks.

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1. **High Upfront Cost** One of the most significant drawbacks is the cost. Detroit Axle components, especially for heavy-duty trucks, are premium-priced. The gear box, pitman arm, idler arm, and tie rods kit can be expensive compared to aftermarket or generic alternatives. For budget-conscious buyers, this may be a deterrent, especially if the vehicle is not heavily used or if the parts are only needed for specific applications.

2. **Potential Overkill for Light-Duty Use** If the Silverado/Sierra 2500HD/3500HD is primarily used for light-duty tasks (e.g., daily driving with minimal towing), the durability of Detroit Axle parts may be unnecessary. In such cases, lower-cost alternatives from brands like Moog, ACDelco, or even some aftermarket manufacturers may suffice without sacrificing performance or longevity.

3. **Installation Complexity** While the kit is designed for ease of installation, replacing steering components especially the gear box can be labor-intensive. The gear box is a critical part of the steering system, and improper installation can lead to binding, excessive play, or even steering failure. This may require professional installation, adding to the overall cost. Additionally, some users may find that aligning the steering components afterward requires additional tools or expertise.

4. **Limited Customization** Unlike some aftermarket kits, Detroit Axle parts are not typically offered in multiple configurations (e.g., different lengths, angles, or materials). This lack of customization may be a drawback for owners who want to fine-tune their truck s steering geometry for specific applications (e.g., off-roading or aggressive towing setups).

5. **Weight** Heavy-duty components like those from Detroit Axle are inherently heavier than their lighter-duty counterparts. While this adds to durability, it can also slightly increase the overall weight of the truck, which may impact fuel efficiency or handling in certain situations. However, for most 2500HD/3500HD trucks, the difference is negligible compared to the benefits of durability.

6. **Availability and Lead Times** Depending on the region and supplier, Detroit Axle parts may not always be in stock immediately. Some users report delays in receiving orders, which can be frustrating if the parts are needed urgently. It s advisable to check inventory or order from a reputable dealer with a good track record for stock availability.

7. **Potential for Overengineering** For trucks that are not subjected to extreme conditions (e.g., constant off-roading, heavy-duty towing, or extreme climates), the robust nature of Detroit Axle parts may be unnecessary. In such cases, investing in slightly less heavy-duty parts could reduce costs without compromising reliability for the vehicle s intended use.

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The Detroit Axle 6GS472928 gear box, pitman arm, idler arm, and outer tie rods kit is an excellent choice for Chevrolet Silverado/Sierra 2500HD/3500HD owners who prioritize durability, performance, and long-term reliability particularly for those who frequently tow heavy loads, haul large payloads, or operate in demanding conditions. The kit s compatibility, precision engineering, and quality construction make it a strong investment for heavy-duty applications. However, the high cost and potential overkill for light-duty use may not justify the purchase for all owners.

For owners who primarily use their trucks for daily driving with minimal towing or those operating within a tight budget, exploring alternative brands or kits may be more practical. Conversely, those who rely on their trucks for professional or extreme use will likely find the Detroit Axle kit to be a worthwhile and long-lasting solution.

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- You frequently tow heavy trailers or haul large payloads.

- Your truck is used in demanding conditions (e.g., off-roading, construction, or commercial applications).

- You value premium quality and long-term durability over cost savings.

- You are comfortable with the installation process or have access to a professional mechanic.

- Your truck is used primarily for light-duty tasks with minimal towing.

- You are operating on a tight budget and can find equally reliable parts at a lower cost.

- You require customization options or different configurations for your specific setup.

- You are unsure about the installation complexity and prefer a simpler, lower-cost kit.

Ultimately, the decision should be based on your truck s usage, budget, and long-term needs. For most heavy-duty Silverado/Sierra owners, the Detroit Axle kit is a solid and well-supported choice that delivers on performance and reliability.

Details:

Kit Includes. Detroit Axle products deliver the look, feel, fit and performance of OE. Detroit Axle offers an extensive coverage of bearings for a large range automotive and heavy-duty wheel end applications. 1x Idler Arm Assembly - K400018.

With an OE design, simple installation and long life as a guarantee. Return your old Gear Box to activate Lifetime Warranty. Search our to find the right part. 1x Steering Idler Arm Bracket Assembly - K400020.

1x Complete Power Steering Gear Box Assembly - 1426GB. Brand Information. 1x Front Steering Pitman Arm - K440019. Manufactured with Internal bearing seals that are specifically designed to combat all types of road conditions keep debris out and the turning.

Manufacturer Information. Not what you were looking for.

part #: 6gs472928 prices

• $362.70-$414.56

specifications pitmanidlear:

• for models: 2500hd, Silverado, Sierra
• brand: Detroit Axle
• mpn: 6gs472928
• type: Gearbox Kit
• manufacturer warranty: Lifetime
• bundle description: Includes
• oe/oem part number: 1426gb, K400018, K440019, K400020, Es800901
• fitment type: Direct Replacement

general pitmanidlear:

• condition: New other see details
• Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions

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seller pitmanidlear:

• rating: 99.3%
• city: Detroit, Michigan
• # reviews: 1316779

shipping pitmanidlear:

• type: Fixed
• service: Expedited
• transit: 4-4 Days
• class: Expedited
• cost: $0.00

returns pitmanidlear:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

offer pitmanidlear:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: February 5, 2026

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