1. Steering Racks & Gear Boxes For Sale
  2. sku: 18013790588836983
  3. MOPAR 3643012

MOPAR 3643012 Power Steering Gear Box Body Charger Duster

fits model: Challenger, Dart. make: Mopar.

3643012 Mopar Power Steering Gear Box A E And B- Body Challenger Charger Dart Duster

( Manufacturer Part Number: 3643012 ), ( Type: Gear Box ), ( Vintage Part: Yes ), ( Performance Part: No )

Review MOPAR Power Steering Gear Box And Body Charger Duster fits CHALLENGER DART

The **Mopar 3643012 Power Steering Gear Box Body** is a high-performance, direct-fit replacement designed specifically for classic muscle cars, including the legendary **Challenger, Charger, Dart, and Duster** models from the late 1960s through the early 1970s. Engineered to restore precision handling and effortless steering, this gearbox body is crafted from durable, high-grade materials to ensure long-lasting durability while maintaining the original vehicle s factory specifications. The unit features a robust **steering gear mechanism** with a **recirculating ball design**, delivering smooth, responsive operation even under heavy loads, making it ideal for both daily driving and spirited performance applications. Built to exacting standards, this gearbox body is compatible with a wide range of **Mopar power steering systems**, including those found in **318, 340, 360, and 400** engine configurations, ensuring seamless integration with your vehicle s existing steering column and linkage. Whether you re restoring a **1968-1970 Challenger Hellcat**, a **1970-1971 Charger R/T**, or a **1967-1970 Dart GT**, this gearbox body provides the reliability and performance expected from Mopar s legendary aftermarket parts. With its **precision-machined components, corrosion-resistant construction, and easy installation**, this power steering gearbox body is an essential upgrade for enthusiasts seeking to enhance their classic s handling dynamics while preserving its iconic character.

The **Mopar 3643012 Power Steering Gear Box Body** is designed for certain Chrysler vehicles, including the Challenger, Charger, Dart, and Duster (primarily 2011 2014 models with the 3.6L Pentastar V6). Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Mopar 3643012 Power Steering Gear Box Body**

1. **OEM Quality and Fitment**

The Mopar brand is known for producing genuine, high-quality replacement parts that match the original equipment manufacturer (OEM) specifications. This ensures a precise fit with minimal modifications required, reducing the risk of installation issues or compatibility problems.

2. **Reliability and Durability**

Mopar parts are built to last, often using the same materials and manufacturing standards as the original components. This can lead to longer service life compared to aftermarket alternatives that may cut corners on quality.

3. **Warranty Coverage**

Mopar parts typically come with a warranty (usually 12 24 months, depending on the retailer), providing peace of mind in case of defects or premature failure. This is particularly valuable for parts like a power steering gearbox, which can be costly to replace.

4. **Ease of Installation**

Since it is an OEM replacement, the gearbox body is designed to drop into place without extensive modifications. This makes it a straightforward DIY-friendly upgrade for those with basic mechanical skills, though some tools and patience may still be required.

5. **Compatibility with Aftermarket Upgrades**

The 3643012 gearbox is compatible with common aftermarket power steering pumps and fluid types, allowing for upgrades (e.g., high-performance pumps) without major conflicts. This flexibility is useful if you plan to enhance your vehicle s steering performance.

6. **Support for Classic and Modified Vehicles**

For enthusiasts restoring or modifying classic Chrysler models (e.g., Challenger, Charger), this part ensures authenticity and proper function. It s also a reliable choice for daily drivers that rely on smooth power steering.

7. **Reduced Risk of Leaks**

Mopar s engineering typically addresses common failure points (e.g., seals, gaskets) in their designs, which can help prevent leaks a frequent issue with cheaper aftermarket alternatives.

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### **Cons of buying a Mopar 3643012 Power Steering Gear Box Body**

1. **Higher Upfront Cost**

As an OEM part, the Mopar gearbox body is more expensive than many aftermarket options. Prices typically range from **$300 $500**, depending on the retailer and whether it s new or refurbished. This can be a significant investment if you re on a tight budget.

2. **Limited Availability for Non-Standard Models**

While this part fits several popular Chrysler models, it may not be compatible with later or heavily modified vehicles (e.g., those with suspension lifts, custom steering racks, or non-standard wheelbases). Always verify fitment before purchasing.

3. **Potential for Counterfeit or Low-Quality Units**

Some sellers may offer "Mopar" parts that are counterfeit or rebranded aftermarket items. To avoid this, purchase from **authorized Mopar dealers, Chrysler dealerships, or reputable online retailers** (e.g., RockAuto, Summit Racing) that verify authenticity.

4. **Installation Challenges for Beginners**

While the part itself is straightforward, removing the old gearbox may require disassembling the steering column, suspension components, or steering linkage. This can be time-consuming and physically demanding, especially for those without prior experience.

5. **No Performance Advantages Over Stock**

The Mopar gearbox is a direct replacement and does not offer performance improvements (e.g., quicker steering response, reduced effort) unless paired with an aftermarket pump or fluid. If you re seeking a "performance" upgrade, you ll need to source additional components.

6. **Weight Considerations**

The gearbox body is relatively heavy, which may affect steering feel slightly compared to lighter aftermarket alternatives. However, this is usually negligible for most drivers.

7. **Limited Customization Options**

Unlike some aftermarket gearboxes, the Mopar part does not offer adjustable ratios or other customization features. If you re looking for a gearbox that can be tuned for specific driving preferences, you ll need to explore specialized aftermarket options.

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### **Conclusion**

The **Mopar 3643012 Power Steering Gear Box Body** is an excellent choice for those prioritizing **reliability, fitment, and warranty coverage** over cost savings. It is ideal for:

- **Restoration projects** where OEM authenticity is important.

- **Daily drivers** needing a durable, long-term solution.

- **DIY enthusiasts** comfortable with mechanical work who want a hassle-free replacement.

However, if you re working with a **tight budget** or need **performance enhancements**, aftermarket alternatives (e.g., from brands like **Moog, ACDelco, or specialized steering manufacturers**) may offer better value. Always ensure the aftermarket part is **properly rated for your vehicle s specifications** to avoid compatibility issues.

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### **Recommendation**

**Buy the Mopar 3643012 if:**

- You need a **direct OEM replacement** with full warranty support.

- Your vehicle is a **stock or lightly modified** 2011 2014 Challenger, Charger, Dart, or Duster with the 3.6L Pentastar.

- You value **long-term reliability** over cost savings.

- You re willing to invest in a **high-quality part** that minimizes future issues.

**Consider an aftermarket alternative if:**

- You re on a **tight budget** and can find a **highly rated aftermarket gearbox** (e.g., from **Moog or ACDelco**) that fits your needs.

- You re seeking **performance upgrades** (e.g., quicker steering response) and are willing to pair it with an aftermarket pump.

- You re restoring a **non-standard model** and need to verify exact fitment.

**Final Tip:** Always **check the part number against your vehicle s specifications** and **purchase from a trusted source** to avoid counterfeit or incompatible units. If possible, consult a **local Chrysler dealership or mechanic** for confirmation before buying.

Details:

DOES NOT include Pittman arm. This is an original box that came off a running properly operating vehicle. Challenger Charger Dart Scamp Duster Demon Valiant Barracuda Roadrunner GTX Coronet Satellite Sport. I'm waiting for a new Pittman arm remover at present so I can remove it.

Mopar Power Steering Gear Box for A E B Body cars. Being sold as a core.

part #: 3643012 prices

  • $100.00-$250.00

specifications steragebo:

  • for models: Challenger, Dart
  • for makes: Mopar
  • mpn: 3643012
  • type: Gear Box
  • vintage part: Yes
  • performance part: No

offer steragebo:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: February 17, 2026

seller steragebo:

  • city: Essex, Maryland
  • # reviews: 850
  • rating: 98.7%

payments steragebo:

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

general steragebo:

  • condition: Used
  • Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions

shipping steragebo:

  • type: Calculated
  • class: Standard
  • service: UPS Ground
  • cost: $98.12
  • transit: 7-13 Days
  • carrier: UPS

returns steragebo:

  • policy: No Returns
for models: challenger, dart, for makes: mopar, type: gear box, vintage part: yes, performance part: no,
category: auto parts > car truck parts accessories > steering suspension > gearboxes, rack pinions, sku: 18013790588836983,
Mopar 3643012 Is Similar To:
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4 offers $100.00–$250.00 USD
  • Used. Offer #1 priced at $100.00 + $63.24 shipping estimate = $163.24* total. Removed from a 1967 Dart GT 273.+$63.24 shipping
  • Used. Offer #2 priced at $250.00 + $107.72 shipping estimate = $357.72* total. Box is dated 2922. Large selector power steering gear box from a 1973 Dodge Challenger.+$107.72 shipping
  • Used. Offer #3 priced at $149.00 + $98.12 shipping estimate = $247.12* total. I'm waiting for a new pitman arm remover at present so I can remove it Mopar Power Steering Gear Box for A E B Body cars.+$98.12 shipping
  • Remanufactured. Offer #4 priced at $499.99 + $56.01 shipping estimate = $556.00* total. Shipped with UPS Ground. 1973 1974 DODGE PLYMOUTH MOPAR POWER STEERING LARGE SELECTOR BOX UNIT GEARBOX.+$56.01 shipping

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