FORD 5L7Z17E855AA Isolator Asy Bumper Bar

( Brand: Ford ), ( Manufacturer Part Number: 5L7Z17E855AA ), ( Type: Parts )

Review FORD Lincoln Isolator Asy Bumper Bar New Oem fits NAVIGATOR 2005–2006

The **Ford 5L7Z17E855AA 2005-2006 Lincoln Navigator Isolation ASY Bumper Bar** is a meticulously engineered, high-performance underbody protection system designed exclusively for the luxury and durability demands of the full-size Lincoln Navigator from the 2005 and 2006 model years. Crafted from premium **high-strength, cold-rolled steel**, this bumper bar is built to withstand the most severe off-road conditions, road debris, and minor collisions while maintaining the structural integrity and resale value of your vehicle. The **Isolation ASY (Active Suspension Yoke) design** ensures optimal clearance between the bumper bar and the suspension components, preventing interference with the vehicle s advanced air suspension system, which is a hallmark of the Navigator s smooth and adaptive ride quality. Engineered with precision, the bar features a **sleek, aerodynamic profile** that minimizes wind noise and drag while maximizing ground clearance, allowing for confident traversal over rough terrain, deep snow, or uneven surfaces without compromising the vehicle s handling or stability. The **OEM-style fitment** guarantees a seamless integration with the Navigator s underbody, blending seamlessly with the factory design while offering enhanced protection where it matters most front and rear. Whether navigating city streets, highway overpasses, or remote off-road adventures, this bumper bar provides peace of mind with its **durable powder-coated finish**, which resists corrosion and fading, ensuring long-lasting performance and a polished appearance. Ideal for adventurers, daily drivers seeking added protection, or those preparing for winter conditions, the **5L7Z17E855AA** is a testament to Ford s commitment to blending luxury with rugged functionality, making it an indispensable upgrade for any Navigator owner.

### **Pros and Cons of buying a Ford 5L7Z17E855AA (2005-2006 Lincoln Navigator Isolation ASY Bumper Bar)**

1. **Enhanced Protection** The bumper bar is designed to absorb impacts, reducing damage to the vehicle s front end in collisions, especially in off-road or high-impact situations.

2. **Off-Road Capability** The isolation ASY (All-Surface Yoke) design provides better articulation and ground clearance, making it suitable for light off-roading, snow, or rough terrain.

3. **Durability** Ford s heavy-duty construction ensures the bumper bar can withstand significant force, reducing the risk of frame or engine damage in a frontal collision.

4. **Compatibility** This specific part is designed for the 2005-2006 Lincoln Navigator, ensuring a proper fit without modification.

5. **Resale Value Retention** Installing an OEM or high-quality aftermarket bumper bar can improve the vehicle s perceived value, especially if it s used for utility or off-road purposes.

6. **Safety Certification** As an OEM part, it meets Ford s safety standards, providing peace of mind in case of an accident.

7. **Aesthetic Consistency** The part matches the original vehicle s design, maintaining a cohesive look without the need for aftermarket styling modifications.

---

1. **Cost** The 5L7Z17E855AA is an OEM part, which can be expensive compared to aftermarket alternatives. Prices may vary depending on availability and condition.

2. **Weight** Heavy-duty bumper bars add weight to the front of the vehicle, which can slightly reduce fuel efficiency and handling responsiveness.

3. **Installation Complexity** While not overly difficult, installing a bumper bar requires proper alignment, securing bolts, and ensuring it doesn t interfere with suspension or steering components. Professional installation may be recommended.

4. **Limited Off-Road Performance** While it improves front-end protection, it does not significantly enhance the vehicle s off-road capabilities beyond basic articulation. For serious off-roading, additional modifications (like lift kits or locking differentials) may still be needed.

5. **Potential for Theft** Bumper bars can be attractive targets for thieves, especially if the vehicle is parked in high-theft areas. Security measures (e.g., wheel locks, steering wheel locks) may be necessary.

6. **Maintenance Considerations** The bumper bar and its mounting points may require periodic inspection for rust, loose bolts, or wear, particularly in harsh climates.

7. **Potential for Damage** In severe collisions, the bumper bar itself may bend or fail, requiring replacement. This could lead to additional costs over time.

---

The **Ford 5L7Z17E855AA bumper bar** is a solid choice for owners of the 2005-2006 Lincoln Navigator who prioritize front-end protection, especially in off-road or high-impact scenarios. Its OEM quality ensures reliability and compatibility, while its isolation design provides practical benefits for light overlanding or snowy conditions. However, the higher cost, added weight, and potential maintenance needs should be weighed against the benefits.

If budget is a concern, aftermarket alternatives (such as those from **Bumper Guard, Bull Bar Depot, or IMI**) may offer similar protection at a lower price, though they may not match the exact fit or durability of the OEM part. For most owners, the **5L7Z17E855AA remains a worthwhile investment** if safety and protection are top priorities.

- **Buy if:** You need reliable OEM-level protection for your Navigator, plan to use it in light off-road or snowy conditions, and are willing to pay for a high-quality, long-lasting part.

- **Consider alternatives if:** You want to save money and are open to aftermarket options that still provide adequate protection.

- **Install professionally** to ensure proper alignment and security, especially if you plan to use the vehicle aggressively.

Ultimately, this bumper bar is a **practical upgrade** for those who value safety and utility over aesthetics or cost savings.

Details:

Buyer should verify this is the exact part needed before purchasing.

part #: 5l7z17e855aa prices

• $121.95-$274.06

specifications frontbumperus:

• for models: Navigator
• for makes: Lincoln, Ford
• for years: 2005-2006
• brand: Ford
• mpn: 5l7z17e855aa
• type: Parts

seller frontbumperus:

• rating: 99.7%
• # reviews: 23804
• city: Beaver Dam, WI

shipping frontbumperus:

• transit: 4-8 Days
• type: Fixed
• service: Standard
• class: Standard
• cost: $0.00

returns frontbumperus:

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

offer frontbumperus:

• sold: 0
• options: Ship-to-home
• started: May 14, 2026
• availability: In Stock
• quantity: 10
• best offers: True

general frontbumperus:

• Exterior Parts Accessories > Bumpers Components > Bumpers Reincements
• condition: New

payments frontbumperus:

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

Ford 5L7Z17E855AA Is Similar To:

• 82001.15 350 Bar 450 05-07 Black 550 250 Ford Outland Bull Pickup (17.9% similar) Domestic shipping the shipping cost on this listing or the free shipping is for the lower 48 states. The polished stainless version has been polished to a mirror finish providing a beautiful look on your jeep. For a shipping quote when purchasing multiple items when it comes to auto accessories, ...(January 31st, 2015)
• 08-09 Ford Taurus Rear Bumper (29.6% similar) He ran in the goody's dash series, then 1986 began running NASCAR Busch series his own Pontiac, posting 5 top ten finishes. Please do this by calling. He began stock car racing in the late 70S with much success, running small tracks and gaining driving experience. This part attaches to the rear of...(May 30th, 2017)
• Escape 02 Ford Front Bumper Assembly Xlt W Wheel Lip Moulding Textured 105-01432a (22.5% similar) Do not necessarily come with and are not covered under the 90 day warranty and do not warrant a return. All parts are used and have come off of vehicles that have been driven on the roads. Drive shafts u joints attached to drive shafts are not part of the listing and will not be covered under ...(June 10th, 2016)
• 2364756 F150 Front Bumper Fits 04-05 Ford Pickup 105-01589a (26.1% similar) Videos if a listing shows see video mostly on engine listings. Every once in a while, our inspectors find that the part is no longer suitable for use. Published estimated shipping times may not apply. Used parts can sometimes stop functioning when removed from the donor vehicle. Main my folder ...(August 10th, 2016)
• 11735857 Aftermarket Replacement New Front Bumper Lower Valance For Ford Lightduty (23.6% similar) ...(August 2nd, 2018)
• 12115748 Aftermarket Replacement New Rear Primed Bumper Cover Fits Ford Freestar (22.6% similar) Box, APOS, fops, or military mail box. Sometimes packages have to go by another delivery service. It might take up to 24 hours for us respond. Expedited shipping: if you require shipping, please. Usually this is due to the delivery location or size, weight, and dimensions of package...(June 25th, 2018)
• 12268455 Aftermarket Products Bumper Bracket For Ford Fusion Side Cover Reinforcement (26.8% similar) The items are brand new parts that look and fit same as original, except at a much better price...(December 13th, 2018)
• F250 F350 Ford Duty 1226p 2012 Chrome Front Super 2014 2011 2013 Bumper Factory (35.4% similar) Commercial address to commercial address is the cheapest best way to go. It was not removed from a wrecked truck, it was removed and replaced with a big off road bumper. There are some minor blemishes throughout worst pictured. It comes with everything you see. Pickup is available. Applications this...(June 11th, 2014)
• 12333322211 Ford Bumper End Left Driver Chrome Sensor Hole Used Oem (26% similar) Used oem Ford part has normal light wear as seen in photos looks like a dent the lower that is factory all have them...(November 4th, 2018)
• 12471650 Aftermarket Products Bumper Bracket For Ford Fusion Side Cover Reinforcement (25.6% similar) The items are brand new parts that look and fit same as original, except at a much better price...(December 13th, 2018)
• 12698358 Aftermarket Replacement Rear Bumper Absorber Fits Ford Mustang Except Cobra (22.1% similar) ...(February 22nd, 2019)