MERCURY 477-04051 Crossmember Frame Rear Suspension Hundred Crossmember/k

( Model: MONTEGO ), ( Part Type: Frame Suspension ), ( Conditions Options: Rear, Suspension, Awd ), ( Genuine Oem: Yes ), ( Ipn: 477-04051 ), ( Year: 2006 ), ( Manufacturer Warranty: 90 Day )

Review MERCURY Crossmember/k-frame Rear Suspension Five Hundred fits MONTEGO AWD 2005–2007

The **Mercury 477-04051 Crossmember/K-Frame for Rear Suspension (AWD, 2005 2007 Ford Hundred/Mercury Grand Marquis)** is a high-quality, direct-fit replacement component designed to restore structural integrity and performance to the rear suspension system of these full-size luxury sedans. Crafted from durable, high-strength steel, this crossmember serves as the foundational backbone of the rear axle assembly, securely mounting the driveshaft, sway bar, and shock absorbers while ensuring proper alignment and load distribution. Ideal for both original equipment replacement (OER) and aftermarket upgrades, this part is engineered to meet or exceed OEM specifications, guaranteeing a precise fit with the 4.6L or 5.4L V8 engine configurations found in the AWD versions of the 2005 through 2007 Ford Hundred and Mercury Grand Marquis. Its robust construction helps mitigate sagging, misalignment, and premature wear on associated suspension components, contributing to a smoother ride and enhanced handling. Whether addressing a damaged frame, upgrading for improved durability, or completing a full rear suspension rebuild, this crossmember is a critical component for maintaining the stability and reliability of these iconic vehicles. Proper installation requires alignment with the factory mounting points and may necessitate additional adjustments to the driveshaft or sway bar links for optimal performance.

### **Pros and Cons of Buying a Mercury 477-04051 Crossmember/K-Frame (Rear Suspension, AWD, 05-07 Hundred)**

1. **Direct OEM Replacement** This part is a genuine factory replacement, ensuring a perfect fit and compatibility with your vehicle. It avoids the potential issues that come with aftermarket parts that may not align correctly.

2. **Improved Structural Integrity** The crossmember/k-frame is a critical component that supports the rear suspension and subframe. A worn or damaged part can lead to misalignment, drivetrain issues, or even safety concerns. Replacing it restores proper alignment and stability.

3. **Prevents Further Damage** If the original part is failing, neglecting it can lead to more expensive repairs down the line, such as damaged axles, driveshafts, or suspension components. Replacing it now can save money in the long run.

4. **Better Handling and Ride Quality** A properly functioning crossmember ensures that the rear suspension operates smoothly, improving ride comfort and vehicle handling. This is particularly important for AWD vehicles, where proper alignment is crucial for drivetrain performance.

5. **Avoids Common AWD Issues** Many AWD vehicles suffer from drivetrain misalignment due to worn suspension or frame components. Replacing the crossmember can resolve transfer case or differential binding, which is a common problem in these models.

6. **Increases Resale Value** A well-maintained vehicle with all critical suspension components in good condition will hold its value better than one with neglected parts.

7. **Warranty Coverage (If Applicable)** If purchasing from a reputable dealer or with a warranty, this part may come with protection against premature failure, providing peace of mind.

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1. **High Cost** OEM parts, especially for older models like the 2005-2007 Mercury Hundred, can be expensive. The price may be significantly higher than aftermarket alternatives, though quality may not always justify the cost.

2. **Labor-Intensive Installation** Replacing the crossmember/k-frame typically requires significant disassembly, including removing the rear suspension components, driveshaft, and possibly the subframe. This can be a multi-hour job, increasing labor costs.

3. **Potential for Hidden Damage** If the vehicle has been in an accident or has been driven with a damaged crossmember, there may be additional hidden damage (e.g., bent frame rails, worn bushings) that needs addressing. A thorough inspection is essential before purchasing.

4. **Limited Availability** OEM parts for discontinued models can sometimes be hard to source, especially if the vehicle is no longer in production. Purchasing from a reputable supplier or dealer is crucial to avoid counterfeit or low-quality parts.

5. **Weight Considerations** The crossmember is a heavy component, and if the vehicle is already heavy (especially with AWD), replacing it may not significantly improve performance but could contribute to fuel efficiency concerns if not properly balanced.

6. **Potential for Aftermarket Alternatives** While aftermarket parts may not be as precise, they are often cheaper and can be a viable option if the vehicle is not high-mileage or not intended for heavy use. However, they may lack the durability of an OEM part.

7. **Time Off the Road** The repair process will require the vehicle to be out of service for several hours, which may be inconvenient for daily drivers.

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- The part is **genuinely OEM** (not a knockoff) and sourced from a trusted supplier.

- The vehicle has **visible signs of crossmember failure** (e.g., misaligned rear suspension, drivetrain binding, or visible rust/damage).

- You are **prioritizing long-term reliability, safety, and proper drivetrain function**, especially for an AWD vehicle.

- You are **willing to invest in labor** to ensure proper installation.

- The vehicle is **high-mileage or has a history of frame/suspension abuse**, consider having a mechanic inspect for **additional damage** before purchasing.

- You are **on a tight budget**, explore **high-quality aftermarket alternatives** (e.g., from reputable brands like Mann, Febi, or Dorman) after verifying compatibility.

- The vehicle is **not a daily driver**, you may weigh the cost against whether the repair is truly necessary.

The part is **authentic and properly installed** by a trusted mechanic.

The vehicle **shows clear signs of crossmember failure** (e.g., drivetrain issues, misalignment).

You **prioritize safety and long-term reliability** over short-term cost savings.

The vehicle is **high-mileage with unknown history** inspect for additional damage first.

You are **unable to afford OEM parts** opt for a **high-quality aftermarket replacement** with proper fitment verification.

The repair is **not urgent** delay if the vehicle is running without immediate issues.

For an AWD vehicle like the 2005-2007 Mercury Hundred, **a failing crossmember can lead to serious drivetrain problems**, so addressing it promptly is wise if the part is compromised. Always **verify the part s authenticity** and **ensure professional installation** to maximize its benefits.

Details:

Commercial residential delivery available. Crossmember/K-Frame Rear Suspension AWD Fits 05-07 FIVE HUNDRED 293030 This is in overall good condition. We ll make it right. The 30-day period begins on the date item is delivered.

Lift gate service available if needed. This part attaches to the suspension of vehicle. Match part numbers when possible. Expedited shipping is not available at this time.

Please review all photos carefully. Have a question. Delivery appointments are scheduled by the carrier. Verify compatibility with your vehicle.

If theres ever an issue, just reach out. The crossmember will come complete without accessories. All mounting brackets are in good condition and usable. Not sure if this is the right part.

part #: montego prices

• $318.00-$698.99

specifications swabasus:

• for models: Awd, Montego
• for makes: Mercury
• for years: 2005-2007
• model: Montego
• part type: Frame Suspension
• conditions options: Rear, Suspension, Awd
• genuine oem: Yes
• ipn: 477-04051
• year: 2006
• manufacturer warranty: 90 Day

shipping swabasus:

• carrier: UPS
• transit: 3-7 Days
• service: Standard, Overnight, UPS 2nd Day Air
• class: Standard, One-day, Expedited
• cost: $0.00
• type: Fixed

general swabasus:

• condition: Used
• Car Truck Parts Accessories > Steering Suspension > Control Arms, Ball Joints Assemblies

returns swabasus:

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

payments swabasus:

• wallet: Google-pay
• other
• credit card: Diners-club

offer swabasus:

• started: June 10, 2026
• best offers: True
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0

seller swabasus:

• # reviews: 5672
• rating: 99.2%
• city: Gaffney, South Carolina

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