FORD E8MB-5429IB62-AF Emblem 5S4

( Brand: Ford ), ( Manufacturer Part Number: E8MB-5429IB62-AF ), ( Color: Silver ), ( Dimensions: 6.77 X 0.55 ), ( Material: Metal ), ( Vintage Part: Yes ), ( Placement On Vehicle: Side ), ( Suitable For: Car ), ( Type: Emblem ), ( Attachment Type: Bolt-on ), ( Theme: Names ), ( Finish: Metallic ), ( Country Of Origin: United States )

Review FORD Emblem Side Mercury Genuine Part Metal 5s4 fits MARQUIS GRAND 1988–1991

The **Ford E8MB-5429IB62-AF Marquis Emblem (1988 1991 Mercury S-Series)** is a meticulously crafted, high-quality replacement emblem designed to restore the classic elegance and authenticity of your 1988 through 1991 Mercury S-Series, including the full-size Marquis, Grand Marquis, and Crown Victoria models. Crafted from premium **die-cast aluminum**, this emblem boasts a durable, corrosion-resistant construction that ensures long-lasting performance, even in harsh weather conditions. The **chrome-plated finish** exudes a polished, showroom-worthy shine, perfectly complementing the luxurious, full-size Ford body styles of the era, which were known for their spacious interiors, powerful V8 engines, and refined executive styling. The emblem features the iconic **Ford script "Marquis"** logo, complete with the distinctive **crown motif** that distinguished the Mercury brand from its Ford counterparts, adding a touch of heritage and prestige to your vehicle. Engineered to fit seamlessly over the factory emblem bracket, this aftermarket part adheres to OEM specifications, ensuring a snug, secure attachment without the need for modification. Whether you re restoring a classic for show or maintaining a well-kept collector s vehicle, this emblem serves as a subtle yet impactful detail that enhances the overall aesthetic appeal, paying homage to the golden age of American luxury sedans. Built to withstand the test of time, it s an essential accessory for any enthusiast seeking to preserve the timeless charm of the Mercury S-Series lineup.

### **Pros and Cons of Buying a 1988 1991 Mercury Marquis with the 5.4L V8 (E8MB-5429IB62-AF, Marquis Emblem)**

#### **Pros**

1. **Strong Engine and Performance**

The 5.4L V8 (E8MB) is a robust, naturally aspirated engine known for its durability and power. It produces around **200 220 horsepower** and **280 300 lb-ft of torque**, making it capable of handling highway driving and towing light loads (up to **3,500 4,000 lbs** with proper setup). Unlike some modern engines, this V8 is simple in design, which can make repairs more straightforward for those with mechanical knowledge.

2. **Proven Reliability (When Maintained Properly)**

The E8MB engine was used in Ford s full-size trucks and luxury sedans (Mercury Marquis, Lincoln Town Car) from the late 1980s to early 1990s. Many examples survive with **200,000 miles** if they received regular maintenance, including **oil changes, valve adjustments, and timing belt replacements** (if applicable). The **4-speed automatic transmission (C4 or 4R70W)** is also a well-regarded unit when serviced.

3. **Spacious and Comfortable Interior**

The Mercury Marquis is a **full-size luxury sedan**, offering **plenty of rear legroom, a quiet cabin, and premium features** for its time, such as:

- **Power windows, locks, and mirrors**

- **Cruise control (on higher trims)**

- **Leather or cloth upholstery (depending on trim)**

- **Comfortable front seats with good support**

The **rear seats** are wide enough for three adults, and the **trunk** provides **ample cargo space** (around **18 20 cubic feet**).

4. **Good Resale Value for Classic Luxury Sedans**

Unlike some muscle cars or J-cars, the Marquis holds its value reasonably well in the **classic luxury sedan market**. Well-preserved examples (especially **1990 1991 models**) can be found in the **$3,000 $8,000 range**, depending on condition and mileage.

5. **Easy to Find Parts and Mechanics**

Since this is a **Ford product**, parts are widely available, and **Ford dealerships, independent mechanics, and classic car shops** frequently work on these vehicles. The **E8MB engine and C4 transmission** are not rare, making repairs more accessible than on some niche imports or older European cars.

6. **Potential for Modifications and Customization**

Enthusiasts can **tune the engine** (via **Holley or Edelbrock kits**) for **extra horsepower**, swap in **performance exhaust**, or upgrade **suspension and brakes** for a more engaging drive. The **body style** also allows for **custom paint, interior upgrades, or even a full restoration** if desired.

7. **Good for Long-Distance Driving**

The **5.4L V8 is smooth at highway speeds**, and the **automatic transmission** (when in good condition) handles gear shifts well. The **spacious cabin and comfortable ride** make it a **practical choice for road trips** compared to smaller or less refined cars.

---

#### **Cons**

1. **High Maintenance Requirements**

- **Valve Adjustments:** The **E8MB engine requires manual valve adjustments every **30,000 40,000 miles** (or **2 3 years**). Skipping this can lead to **knocking, reduced performance, and potential valve damage**.

- **Timing Belt (If Equipped):** Some **1990 1991 models** (especially with **4.9L or 5.0L engines**) had timing belts, but the **5.4L V8 is interference**, meaning **bent valves can occur if the belt fails**. However, the **E8MB does not use a timing belt** it has a **timing chain**, which is more durable but still requires occasional inspection.

- **Oil Changes:** **Synthetic oil is highly recommended** every **3,000 5,000 miles** to prevent **sludge buildup** in the **valve cover and oil passages**.

- **Fuel System:** The **carbureted or early fuel-injected models** (pre-1990) can develop **vacuum leaks, dirty throttle bodies, or failing fuel pumps**. Later **EFI models (1990 )** are more reliable but still require **regular fuel system cleaning**.

2. **Fuel Economy is Poor by Modern Standards**

- **MPG is around 12 15 city / 16 18 highway** (carbureted models may be worse).

- **Gasoline costs** add up quickly, making this a **less economical choice** for daily driving compared to modern or hybrid vehicles.

3. **Transmission Issues (If Not Maintained)**

- The **C4 automatic transmission** (common in 1988 1990 models) is **known for slipping or failing** if **fluid is not changed every 30,000 50,000 miles**.

- **1991 models** often came with the **4R70W**, which is more reliable but still requires **proper fluid changes**.

- **Manual transmissions (if available)** are rare and may have **synchro issues** over time.

4. **Body Rust and Structural Concerns**

- **1988 1990 models** (especially those from **snowy or coastal regions**) are prone to **floorpan and wheelwell rust**.

- **1991 models** improved slightly, but **roof rails and rear quarters** can still corrode.

- **Undercoating** (if not applied) accelerates rust, so a **thorough inspection of the undercarriage** is **mandatory** before purchase.

5. **Electrical and Interior Wear**

- **Old wiring harnesses** can develop **shorts or corrosion**, leading to **intermittent electrical issues** (windows, lights, radio).

- **Seats and carpets** may be **worn or stained**, especially in higher-mileage examples.

- **AC and heater systems** can fail over time, requiring **recharge or repair**.

6. **Safety and Modern Standards**

- **No modern safety features** (no ABS, no airbags in base models, weak crash structure compared to today s standards).

- **Poor visibility** in some trims due to **large rear windows and limited side mirrors**.

- **No modern driver aids** (no backup camera, no lane-keeping assist, etc.).

7. **Insurance and Registration Costs**

- **Classic car insurance** (if available) can be **expensive** for a high-value luxury sedan.

- **Registration fees** may be higher than for a modern vehicle, depending on the state.

8. **Limited Modern Compatibility**

- **No Bluetooth, USB, or modern infotainment** the radio may be **AM/FM only** or require **aftermarket upgrades**.

- **No easy access to diagnostics** troubleshooting modern issues (like **ECU problems**) can be **challenging without a scan tool**.

---

### **Conclusion**

The **1988 1991 Mercury Marquis with the 5.4L V8 (E8MB)** is a **strong, capable, and luxurious classic car** that offers **great performance, comfort, and a sense of nostalgia**. However, it comes with **significant maintenance demands**, **poor fuel economy**, and **modern safety and convenience limitations**.

**Enthusiasts who enjoy working on cars** and are willing to **invest time in maintenance**.

**Those who prioritize **driving experience, space, and luxury** over modern tech and efficiency.

**Weekend drivers or collectors** who appreciate **classic American muscle and luxury sedans**.

**People who plan to **modify or restore** the car rather than use it daily.

**Daily drivers** who want **low maintenance and modern safety**.

**Budget-conscious buyers** who cannot afford **regular mechanical upkeep**.

**Those who dislike **manual valve adjustments, carburetor tuning, or transmission servicing**.

---

### **Final Recommendation**

- You have **mechanical experience** or are willing to **learn and maintain** the engine and transmission.

- You **prioritize driving enjoyment, power, and luxury** over fuel efficiency and modern tech.

- You **plan to use it sparingly** (weekends, road trips) rather than as a daily commuter.

- You **find a well-documented example** with **complete service records**, **no major rust**, and a **reliable transmission**.

- You **cannot afford or do not want to** deal with **regular valve adjustments, fuel

Details:

Made in the USA, this emblem features name of brand and adds a touch nostalgia to vehicles exterior. Perfect for collectors or those looking to restore their classic Grand Marquis its former glory. The Grand Marquis Emblem for 1988 1991 side of the Mercury is a genuine Ford metal part. It is suitable for cars and a bolt-on attachment type.

This vintage emblem is designed in silver color with a metallic finish, measuring 6.77 x 0.55.

part #: e8mb5429ib62 prices

• $30.00-$49.99

specifications emblico:

• for models: Marquis, Grand
• for makes: Mercury, Ford
• for years: 1988-1991
• brand: Ford
• mpn: E8mb-5429ib62-af
• color: Silver
• dimensions: 6.77 X 0.55
• material: Metal
• vintage part: Yes
• placement on vehicle: Side
• suitable for: Car
• type: Emblem
• attachment type: Bolt-on
• theme: Names
• finish: Metallic
• country of origin: United States

payments emblico:

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

seller emblico:

• rating: 99.3%
• city: Midland, Michigan
• # reviews: 2505

shipping emblico:

• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated
• transit: 3-8 Days
• class: Standard
• carrier: USPS

general emblico:

• condition: Used
• Car Truck Parts Accessories > Exterior Parts Accessories > Emblems Ornaments

offer emblico:

• started: February 2, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home

returns emblico:

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

Ford E8MB-5429IB62 Is Similar To:

• 09zb-16098-a Ford Mustang Origional Emblem (26.2% similar) It is the original emblem. This emblem is from a 1972 Ford mustang. I personally took it off the car. No gimmicks...(August 21st, 2018)
• 10625 Rh Lh Ford Two Fairlane Side Fender Emblem Badge Oem (31.5% similar) Items shipped economy, media, or parcel post can take 2-6 weeks for delivery no reserve. You get exactly what is pictured. Item being sold as is...(June 8th, 2019)
• 1238 Ppi Powered By Ford Emblem Set Mustang Shelby Boss Mach (28.4% similar) 2-WAY 3m automotive tape is included making installation a 2 second proposition. Free domestic shipping on these emblems. They look great on fenders, deck lids, dashboards, etc. Buy more than one set...(June 19th, 2018)
• 18983 Fomoco Ford Truck Emblem Original Keeler Brass (31.4% similar) ...(December 5th, 2018)
• 196871471 Pt Hot Abs Plastic Rear Tailgate Emblem Inserts For Ford (24.7% similar) Please remove the protective film after installation. Not the cheap vinyl sticker package includes: 1 set inserts come with adhesive on its back. Never fade weather proof self adhesive material: abs plastic. Exactly as the pictures show...(September 14th, 2018)
• 196970frdltdrearinsrt Ford Ltd Rear Panel Emblem New Nice (29% similar) Unfortunately, it is a very delicate procedure getting the paper off without ripping or leaving half of on emblem. This was what some manufacturers used in the late 60S and early 70'S. Fits in the trim between taillights on passenger side. Has original laminated-paper like tape. A brand new, nos ...(June 2nd, 2018)
• 1973-1977 Ford Fender Emblem Genuine Oem Badge Sign Symbol Logo (37.1% similar) 1 used genuine oem emblem fits Ford F250SOME wear, no damages...(March 15th, 2018)
• 1c3z-9942528-aa Ford Brand New Oem Super Duty Tailgate Emblem (25.5% similar) Then promptly. You bought wrong model or color. This will work on tailgate...(January 4th, 2019)
• 1l2z-7842528-ga Oem Ford Pair Explorer Xlt Emblem Name Plates (26.8% similar) New pair XLT black and chrome...(April 14th, 2018)
• 1l2z-7842528-ka Ford Expedition Explorer Taurus Eddie Bauer Emblem Nameplate Oem Badge (26.4% similar) There is a product inspection with third party upon receiving the item. Please ship the item back in its original package. If the item was damaged on return shipping due to poor packaging, is not accepted. Please match our part number with your original one...(January 30th, 2019)
• 1l5z-9842528-aa Ford Oem Sport Track Genuine Nameplate (32.4% similar) Package is scuffed and marked. Genuine Ford part in factory sealed original package. Part inside is in excellent condition...(October 26th, 2018)