APA/URO PARTS XS66D5 Steering Idler Arm Repair Kit

( Brand: Apa/uro Parts ), ( Manufacturer Part Number: XS66D5 ), ( Part Type: Steering Idler Arm ), ( Product Warranty: 12 Month Warranty ), ( Part Info: Steering Idler Arm Repair Kit ), ( Years: 1997 1998 1994 1999 1995 2000 2001 1996 1990 1991 1992 1993 2002 ), ( Makes: Mercedes ), ( Models: Sl500 300sl 400e 500e 500sl 600sl E420 E500 Sl320 Sl600 ), ( Important: Please Read All Notes Before Making This Purchase )

Review APA/URO PARTS Steering Idler Arm Repair Kit fits SL500 300SL 400E 500E 500SL 600SL E420 1990–2002

The **APA URO XS66D5 Steering Idler Arm Repair Kit** is a meticulously engineered, high-quality replacement solution designed specifically for Mercedes-Benz models spanning the **SL500, 300SL, 400E, 500E, 500SL, 600SL, and E420** (W124 and W126 generations), ensuring precise fitment and optimal performance for vehicles equipped with the **E420 steering column assembly**. This kit is crafted to address common wear-and-tear issues associated with the steering idler arm, a critical component that maintains proper alignment and smooth operation of the steering linkage, thereby preventing excessive play, rattling noises, and premature wear on the rack-and-pinion system.

At the heart of this repair kit is a **durable, heavy-duty idler arm assembly**, featuring a **high-strength steel arm** reinforced with precision-machined bearings and bushings that are engineered to withstand the rigors of daily driving, including high-speed maneuvers and aggressive cornering. The kit includes a **replacement rubber bushing** with superior elasticity and resistance to cracking or deformation, ensuring long-term durability even under extreme temperature fluctuations. The bushing is designed to absorb vibrations and road imperfections, reducing stress on the steering column and rack-and-pinion mechanism while maintaining a tight, responsive feel behind the wheel.

Installation of the **APA URO XS66D5 kit** is streamlined for both professional mechanics and experienced DIY enthusiasts, thanks to its **universal compatibility** and straightforward design. The kit comes with all necessary hardware, including **new mounting bolts, washers, and a torque specification guide**, ensuring a secure and proper fit without the need for additional modifications. The idler arm is pre-assembled with the bushing securely seated, allowing for quick and efficient replacement typically requiring only basic tools such as a socket set, torque wrench, and a rubber mallet for bushing removal. This reduces labor time and minimizes the risk of improper installation, which can lead to steering misalignment or premature failure.

Beyond its functional benefits, the **APA URO XS66D5 kit** is built to exceed OEM standards in terms of quality and reliability. The materials used are sourced from trusted suppliers, ensuring consistency in performance and longevity. Unlike generic aftermarket parts that may compromise on fit or durability, this kit is rigorously tested to match the original equipment specifications of Mercedes-Benz s E420 steering system, providing drivers with confidence in their vehicle s handling and safety. Whether addressing a noisy idler arm, correcting steering drift, or proactively maintaining the steering geometry, this repair kit delivers a **cost-effective, long-lasting solution** that preserves the integrity of the steering mechanism and enhances the overall driving experience.

For owners of classic and modern Mercedes-Benz SL-class and E-class models, the **APA URO XS66D5 Steering Idler Arm Repair Kit** represents a smart investment in vehicle upkeep, combining precision engineering with ease of installation to restore smooth, precise steering with minimal effort. By addressing potential failure points before they escalate into costly repairs, this kit helps maintain the performance and reliability of one of the most iconic and high-performance steering systems in automotive history.

**Pros and Cons of buying a APA/URO XS66D5 Steering Idler Arm Repair Kit for SL-Class Models (SL500, 300SL, 400E, 500E, 500SL, 600SL, E420)**

### **Pros**

1. **Compatibility** The kit is specifically designed for the mentioned Mercedes-Benz SL-class models, ensuring a proper fit without modifications. This reduces the risk of misalignment or improper installation.

2. **Quality Components** APA and URO are reputable suppliers of aftermarket automotive parts, often using high-grade materials and precision engineering. The kit typically includes bearings, bushings, and mounting hardware that meet or exceed OEM standards.

3. **Cost-Effective Solution** Replacing a steering idler arm can be expensive if done through a dealership, especially for older or high-end models. This kit provides a more affordable alternative without sacrificing performance or longevity.

4. **Ease of Installation** The kit is designed for straightforward replacement, often requiring only basic tools. Many users report that the process takes a few hours, making it a manageable DIY project for those with mechanical experience.

5. **Improved Steering Feel** A worn or damaged idler arm can cause excessive play, vibrations, or a loose steering feel. Replacing it with this kit can restore smooth, precise steering response, enhancing driving comfort and safety.

6. **Prevents Further Damage** Ignoring a failing idler arm can lead to accelerated wear on other steering components, such as the rack, tie rods, or intermediate shaft. Addressing the issue early with this kit helps prevent more costly repairs down the line.

7. **Warranty and Support** Reputable suppliers like APA/URO often stand behind their products with warranties or customer support. This provides peace of mind in case of defects or installation issues.

8. **Universal Fit for Multiple Models** Since the kit covers several SL-class models, it offers flexibility for owners of different years or trims, making it a versatile purchase.

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### **Cons**

1. **Potential Quality Variations** While APA/URO are generally reliable, aftermarket parts can sometimes vary in quality compared to OEM components. Some users may notice slight differences in fit or durability over time, though this is rare with well-regarded brands.

2. **Installation Complexity** While the kit is designed for ease of use, certain SL-class models (particularly those with complex steering geometries or limited undercarriage access) may require additional effort or tools. Owners with limited mechanical experience might struggle with alignment or torque specifications.

3. **Compatibility with Modifications** If the vehicle has undergone steering modifications (e.g., aftermarket racks, track bars, or suspension upgrades), the idler arm may not fit perfectly. In such cases, customization or additional parts may be necessary.

4. **Limited Longevity Compared to OEM** Some aftermarket parts, while durable, may not last as long as OEM components, especially in high-mileage or performance-oriented vehicles. However, this is subjective and depends on driving conditions and maintenance.

5. **Risk of Incorrect Installation** Improper installation such as incorrect torque values, misalignment, or failure to replace all related components (e.g., bushings or bolts) can lead to premature failure or steering issues. This underscores the importance of following the included instructions carefully.

6. **No Original Equipment Warranty** Unlike OEM parts, aftermarket kits typically do not come with the same warranty coverage as dealer-supplied components. Owners must rely on the supplier s warranty or their own confidence in the product.

7. **Potential for Counterfeit Products** Purchasing from unauthorized sellers (e.g., third-party marketplaces without verification) could result in counterfeit or substandard parts. Buying directly from APA/URO or authorized dealers mitigates this risk.

8. **Additional Costs** Beyond the kit itself, owners may need to purchase tools (e.g., torque wrench, alignment equipment) or consumables (e.g., grease, bolts) that aren t included, adding to the overall expense.

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### **Conclusion**

The **APA/URO XS66D5 Steering Idler Arm Repair Kit** is a practical and cost-effective solution for SL-class Mercedes-Benz owners experiencing steering idler arm wear or failure. Its compatibility with multiple models, high-quality components, and ease of installation make it a strong choice for DIY enthusiasts and those seeking a budget-friendly alternative to OEM parts. However, potential buyers should weigh the pros against the cons, particularly regarding installation complexity, long-term durability, and the importance of proper fitment for their specific vehicle configuration.

For owners comfortable with basic mechanical work and willing to invest time in installation, this kit offers a reliable upgrade. Those with complex modifications or limited experience may benefit from consulting a professional mechanic to ensure correct installation and alignment.

### **Recommendation**

- You are experiencing steering play, vibrations, or a loose feel in your SL-class Mercedes.

- You are confident in your ability to perform the replacement or have access to a mechanic for assistance.

- You prioritize cost savings without compromising on quality for a reputable aftermarket brand.

- Your vehicle s steering system is stock or has minimal modifications.

- Your vehicle has extensive aftermarket steering modifications that could interfere with fitment.

- You lack mechanical experience or tools necessary for proper installation.

- You are unwilling to follow torque specifications or alignment procedures precisely.

- You prefer the extended warranty and peace of mind of OEM parts, despite the higher cost.

**Final Verdict:** The APA/URO XS66D5 kit is a **highly recommended** choice for most SL-class owners needing a steering idler arm replacement, provided they approach the installation with care and attention to detail. For those seeking the absolute best longevity, an OEM replacement may be preferable, but the aftermarket option strikes a strong balance between affordability and performance.

Details:

High-quality elastic and metal materials with corrosion-resistant coatings for maximum durability. Steering Idler Arm Repair Kit. Manufactured to OE idler arm geometry for proper wheel alignment and steering response. Repair of steering idler arm reduces wheel vibration and restores precise performance.

Heat and ozone resistant dust boots to protect joints from harmful grit water.

part #: xs66d5 prices

• $117.68-$127.98

specifications pitmanidlear:

• for models: Sl500, 300sl, 400e, 500e, 500sl, 600sl, E420
• for years: 1990-2002
• brand: Apa/uro Parts
• mpn: Xs66d5
• part type: Steering Idler Arm
• product warranty: 12 Month Warranty
• part info: Steering Idler Arm Repair Kit
• years: 1997 1998 1994 1999 1995 2000 2001 1996 1990 1991 1992 1993 2002
• makes: Mercedes
• models: Sl500 300sl 400e 500e 500sl 600sl E420 E500 Sl320 Sl600
• important: Please Read All Notes Before Making This Purchase

general pitmanidlear:

• Car Truck Parts Accessories > Steering Suspension > Pitman Idler Arms
• condition: New

shipping pitmanidlear:

• carrier: FedEx
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• transit: 3-6 Days
• type: Fixed
• class: Standard

returns pitmanidlear:

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

payments pitmanidlear:

• other
• wallet: Apple-pay
• credit card: Visa

seller pitmanidlear:

• city: Idaho Falls, Idaho
• # reviews: 68776
• rating: 98.8%

offer pitmanidlear:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: June 5, 2026
• sold: 0

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