FORD 112872 Engine Crankshaft Harmonic Balancer 5.8L

( Manufacturer Part Number: 112872 ), ( Part Type: Engine Crankshaft Balancer ), ( Fitment Type: Direct Replacement ), ( Material: Cast Iron ), ( Vintage Part: Yes )

Review FORD 1983 97 5.8l Engine Crankshaft Harmonic Balancer Oem fits E-150 E-250 F150 F250 1983-97

The **Ford 112872 E-150, E-250, F-150, and F-250 5.8L (351W) Engine Crankshaft Harmonic Balancer** is a critical component designed to ensure smooth operation and longevity for the iconic **Ford 351 Windsor V8 engine**, which powered these full-size trucks from model years **1983 through 1997**. This high-performance balancer is engineered to mitigate the natural vibrations generated by the crankshaft s rotational motion, preventing excessive stress on the engine s drivetrain components, such as the timing belt, water pump, and suspension. Crafted from precision-machined steel, the balancer features a robust **dual-mass design**, combining a solid outer shell with an internal counterweight system that dynamically absorbs torsional forces, reducing harshness and improving overall engine refinement. The **hub assembly** is meticulously balanced to minimize wobble, while the **rubber or polyurethane isolator** (depending on the application) dampens vibrations, protecting the engine bay from unnecessary wear and tear. This part is a direct replacement for the original equipment manufacturer (OEM) harmonic balancer, ensuring an exact fit with the **5.8L 351W engine**, which was commonly found in these trucks, including the **E-150 and E-250 commercial models** as well as the **F-150 and F-250 pickup trucks**. Whether restoring a classic muscle truck or maintaining a daily driver, upgrading to this **high-quality aftermarket balancer** can enhance drivability, reduce engine strain, and extend the life of related components, making it an essential upgrade for any Ford enthusiast seeking reliability and performance.

### **Pros and Cons of Buying a 1983 1997 Ford E-Series (E-150/E-250) or F-Series (F-150/F-250) with a 5.8L Engine and Crankshaft Harmonic Balancer Issues**

#### **Pros**

1. **Proven Reliability (When Maintained Properly)** The 5.8L V8 (Y-block or Windsor engine) is a well-known, durable powerplant when kept up with regular maintenance. Many of these trucks last well over 200,000 miles with basic upkeep.

2. **Strong Towing and Hauling Capability** The F-250 models, in particular, were designed for heavy-duty work, making them suitable for towing large trailers, boats, or construction loads.

3. **Availability of Parts and Mechanics** Due to their age and popularity, parts are widely available, and mechanics familiar with these engines are common, reducing repair costs in some cases.

4. **Modification Potential** The 5.8L engine is a favorite for performance upgrades, including big-block swaps, turbocharging, or fuel injection modifications, allowing for significant power increases.

5. **Lower Initial Purchase Price** Compared to newer trucks, these models are often sold at a fraction of the cost, making them attractive for budget-conscious buyers.

6. **Classic Truck Appeal** For enthusiasts, the vintage design and ruggedness of these trucks have a nostalgic or collector s value, especially in well-preserved condition.

7. **Simpler Drivetrain Options** Many of these trucks came with manual transmissions (especially in older models), which can be more reliable and easier to repair than modern automatics.

---

#### **Cons**

1. **Crankshaft Harmonic Balancer Failure Risks** The most critical issue with these engines is the **crankshaft harmonic balancer**, which can fail catastrophically. A broken balancer can cause severe engine damage (bent rods, cracked blocks, or even a blown engine) if not caught immediately. Replacement costs can range from **$500 $1,500 **, depending on labor and whether additional damage occurs.

- **Rust** (especially in frames, axles, and suspension components).

- **Worn-out drivetrain parts** (universal joints, driveshafts, differentials).

- **Leaking seals and gaskets** (valve cover, oil pan, rear main seal).

- **Outdated safety features** (no modern airbags, poor crash protection).

3. **Fuel Efficiency Concerns** The 5.8L V8 is **not fuel-efficient** by today s standards, averaging **12 15 MPG** in a truck, making long-distance driving expensive.

4. **Emissions and Modern Compliance Issues** Some of these trucks may not pass **modern emissions standards**, requiring modifications (like catalytic converter swaps) to drive legally in certain areas.

5. **High Maintenance Costs Over Time** While parts are cheap, labor costs can add up, especially for older mechanics who may charge more for "classic" repairs. Rust repairs, transmission rebuilds, and suspension work can be costly.

6. **Limited Modern Technology** No **backup cameras, advanced safety systems, or modern infotainment** driving can feel outdated and less convenient compared to newer trucks.

7. **Resale Value is Low** These trucks depreciate quickly, and finding buyers willing to pay a fair price can be difficult unless they are in excellent condition or have collector appeal.

- **Rod bearing wear** (common in high-mileage 5.8L engines).

- **Rear main seal leaks** (leading to oil contamination).

- **Transmission failures** (especially in older automatics).

- **Suspension and steering wear** (ball joints, tie rods, bushings).

---

### **Ending Conclusion**

- You **inspect the crankshaft harmonic balancer thoroughly** (or replace it immediately).

- The truck has **low miles and a well-documented maintenance history**.

- You **budget for potential major repairs** (transmission, drivetrain, rust).

- You **plan to use it for light-duty work, towing, or as a project truck** rather than daily driving.

However, if you **prioritize reliability, fuel efficiency, and modern safety**, these trucks may not be the best choice. They are **best suited for enthusiasts, mechanics, or those who can afford to invest time and money in repairs**.

---

### **Recommendation**

- **Always check the harmonic balancer** if it s cracked or worn, **replace it immediately** (or walk away).

- **Get a pre-purchase inspection** from a trusted mechanic specializing in Ford trucks.

- **Avoid high-mileage examples** (over 200,000 miles) unless you re prepared for major repairs.

- **Consider an F-150 over an F-250** unless you **need heavy-duty towing** (F-250s are more expensive to maintain).

- These trucks can be **great for restoration or modification**, but **budget for a full rebuild** if you want long-term reliability.

- Focus on **rust repair, transmission service, and drivetrain upgrades** before committing.

- Consider a **used Ford F-150 (2010 2015) with a 5.0L or 6.2L EcoBoost** they offer **better fuel economy, modern safety, and lower long-term costs** than a 5.8L classic.

- Buy one **only if you re prepared for maintenance** treat it like a **classic car**, not a daily driver.

- **Good for:** Enthusiasts, mechanics, or those who can afford repairs and want a **strong, modifiable work truck**.

- **Not ideal for:** Budget-conscious buyers, daily drivers, or those who want **modern reliability and safety**.

Would you like guidance on specific inspection steps for the harmonic balancer or other critical components?

Details:

1983 97 351W Ford Windsor engines. OEM Original Good used condition .Fits most 5.8L.

part #: 112872 prices

• $26.00-$75.00

specifications cranshafengin:

• for models: E-150, E-250, F150, F250
• for makes: Ford
• for years: 1983-97
• mpn: 112872
• part type: Engine Crankshaft Balancer
• fitment type: Direct Replacement
• material: Cast Iron
• vintage part: Yes

general cranshafengin:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

returns cranshafengin:

• policy: No Returns

offer cranshafengin:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: March 14, 2026
• best offers: True
• sold: 0

shipping cranshafengin:

• type: Fixed
• class: Standard
• carrier: UPS
• service: UPS Ground
• cost: $25.00
• transit: 4-7 Days

seller cranshafengin:

• rating: 99.6%
• # reviews: 2582
• city: Troy, Michigan

payments cranshafengin:

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

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