fits make: Ford. year: 2020–2026.

( Manufacturer Part Number: LK4Z3504J ), ( Location: Zwag5a2 ), ( Listed: Ua59 ), ( Type: Rack Pinion ), ( Oe/oem Part Number: Lk4z3504j / Lk4z3504 J / Lk4z 3504 J, Lk413d070ah / Lk413d070 Ah / Lk41 3d070 Ah )
The **Ford LK4Z3504J (2020 2026 Transit 350 Power Steering Gear Rack and Pinion Assembly, LK413D070AH)** is a precision-engineered hydraulic power steering component designed exclusively for Ford s high-demand commercial and passenger van platforms, including the **Transit 350** series produced between 2020 and 2026. This critical steering system component integrates a **high-performance rack-and-pinion mechanism** with a **hydraulic pump interface**, ensuring smooth, responsive, and low-effort steering even under heavy loads ideal for towing, hauling, or navigating urban traffic with confidence. Crafted from **durable, corrosion-resistant materials**, including **galvanized steel and reinforced polymer coatings**, the assembly is engineered to withstand the rigors of daily commercial use, including exposure to road salt, moisture, and varying temperature extremes, while maintaining structural integrity over extended service intervals.
The **LK4Z3504J** features a **compact yet robust design**, optimized for seamless integration into the Transit 350 s steering column and linkage system. Its **precision-machined rack** glides effortlessly within the pinion housing, minimizing play and ensuring consistent feedback to the driver, whether maneuvering tight parking spaces or cruising at highway speeds. The **hydraulic circuit** is meticulously calibrated to deliver optimal pressure and flow, reducing steering effort by up to **80%** compared to manual systems, which is particularly advantageous for operators who frequently transport cargo, passengers, or oversized loads. Additionally, the assembly incorporates **sealed bearings and bushings** to prevent fluid leakage and wear, extending the lifespan of the steering system and reducing maintenance downtime.
For compatibility and ease of installation, this part adheres strictly to Ford s **OEM specifications**, ensuring a **plug-and-play replacement** for failed or worn-out steering racks in the **2020 2026 Transit 350 models**, including both **gasoline and diesel powertrains**. The **LK413D070AH** designation confirms its exact fitment, aligning with the vehicle s **steering column mount points, tie rod ends, and hydraulic connections**, eliminating the need for costly modifications or aftermarket adapters. Whether replacing a rack due to **excessive play, fluid leaks, or binding**, this component restores the vehicle s handling precision, safety, and reliability critical factors for fleets, delivery services, and commercial operators who demand performance without compromise.
Beyond its functional excellence, the **LK4Z3504J** reflects Ford s commitment to **durability and longevity**, often outperforming lower-quality aftermarket alternatives in terms of **wear resistance and hydraulic efficiency**. Its design also supports **easy servicing**, as the rack and pinion assembly can be removed and reinstalled with standard automotive tools, reducing labor costs for mechanics and technicians. For businesses relying on their Transit 350 for productivity, this steering component is not merely a replacement part but a **strategic investment** in operational efficiency, driver comfort, and long-term vehicle health.
### **Pros and Cons of buying a Ford LK4Z3504J (2020-2026 Transit 350 Power Steering Gear Rack & Pinion LK413D070AH)**
#### **Pros:**1. **OEM Quality and Fitment** This is a genuine Ford part, meaning it is designed to match the original specifications of the 2020-2026 Transit 350. It should integrate seamlessly with the vehicle s power steering system without requiring extensive modifications.
2. **Reliability and Durability** Ford s power steering racks and pinions are built to last, especially when sourced directly from the manufacturer or an authorized dealer. This part is less likely to fail prematurely compared to aftermarket alternatives that may not meet the same standards.
3. **Warranty Coverage** Purchasing from Ford or an authorized dealer typically includes a warranty, providing peace of mind against defects in materials or workmanship. This can be particularly valuable if the part fails shortly after installation.
4. **Compatibility with Ford Systems** The LK413D070AH is engineered to work with the Transit 350 s power steering assist system, including the electric power steering (EPS) module and related sensors. This ensures proper functionality and avoids potential compatibility issues that can arise with non-OEM parts.
5. **Resale Value and Ownership Confidence** Using OEM parts can enhance the vehicle s resale value and reassure future owners that the vehicle was maintained with genuine components. This is especially important for commercial or fleet vehicles where reliability is critical.
6. **Technical Support and Documentation** Ford provides detailed service information, torque specifications, and installation guides for OEM parts, making repairs easier for both professional mechanics and DIY enthusiasts.
7. **Reduced Risk of Voiding Warranty** Some aftermarket parts may void the vehicle s factory warranty if installed. Using an OEM part minimizes this risk, as it is designed to meet Ford s engineering standards.
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#### **Cons:**1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of this rack and pinion assembly will likely be 2-3 times higher than a comparable aftermarket part, increasing repair costs.
2. **Longer Lead Times** Ford parts, especially for commercial vehicles, can have longer delivery times compared to aftermarket suppliers. This may delay repairs if the part is urgently needed.
3. **Limited Customization** Unlike aftermarket parts, OEM components do not offer customization options (e.g., reinforced materials, different gear ratios, or upgraded materials). If you re looking for performance enhancements, aftermarket parts may provide more flexibility.
4. **Potential Overkill for Minor Issues** If the power steering issue is isolated (e.g., a leaking seal or a faulty pump), replacing the entire rack and pinion assembly may be more expensive than necessary. A diagnostic check could reveal that only a specific component (e.g., a seal or bearing) needs replacement.
5. **Weight and Complexity** The OEM rack and pinion are heavy and complex, which can make installation more labor-intensive. This may increase labor costs if you re not performing the repair yourself.
6. **Depreciation Factor** If the vehicle is older or has high mileage, the cost of replacing an OEM part may not be justified by the remaining value of the vehicle. In such cases, aftermarket parts could be a more cost-effective solution.
7. **Potential for Overstock or Discontinued Models** While this specific part is listed for the 2020-2026 Transit 350, Ford occasionally discontinues or updates parts. There is a slight risk that the part may become harder to source in the future, though this is rare for widely used commercial vehicles.
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### **Conclusion:**The **Ford LK4Z3504J (LK413D070AH) power steering rack and pinion** is an excellent choice if you prioritize **reliability, warranty coverage, and long-term compatibility** with your 2020-2026 Transit 350. It is the safest option for ensuring the vehicle meets factory specifications and maintains its resale value. However, the **higher cost and potential overkill for minor issues** make it less ideal for budget-conscious repairs or situations where only a specific component is failing.
If the power steering system is failing due to a **specific part (e.g., a leaky seal, worn bushings, or a faulty pump)**, a diagnostic check could reveal that a partial replacement (e.g., a seal kit or pump) would suffice, saving money. In such cases, aftermarket parts may offer a more economical solution without sacrificing quality.
For **fleet operators, commercial users, or those who value long-term reliability**, the OEM part is the best investment. For **individuals or those on a tight budget**, weighing the severity of the issue and exploring aftermarket alternatives could be a smarter financial decision.
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### **Recommendation:** - **Buy the OEM part (LK413D070AH) if:**- The entire power steering system is failing or showing widespread wear.
- You want to ensure maximum compatibility and warranty coverage.
- The vehicle is used commercially or will be kept long-term.
- You have access to a mechanic who can install it properly.
- **Consider aftermarket alternatives if:**- Only a specific component (e.g., seals, bushings, or the pump) is faulty.
- You re working with a limited budget and want to minimize costs.
- You re comfortable with aftermarket brands that offer warranties (e.g., Moog, Febi, or ACDelco).
- The vehicle is older or has high mileage, making the OEM part s cost less justified.
Before purchasing, **diagnose the exact issue** to avoid unnecessary expenses. If the problem is isolated, a targeted repair may be more cost-effective than a full rack replacement. Always ensure the part is sourced from a reputable dealer to avoid counterfeit or low-quality replacements.
Orders are shipped via USPS, UPS, or FedEx. High quality pictures are provided for each item so you can see its exact condition. All listed parts have already been removed from donor vehicles and are on the shelf ready to be shipped. Pulsate Template v6-3-24 Gearboxes, Rack Pinions.
2020 - 2026 FORD TRANSIT-350 POWER STEERING GEAR RACK PINION OEM LK413D070AH Menu. Are final sale. 60-day return period begins on the day part is delivered. This MUST be specified AT TIME OF PURCHASE.
Shipping charges are based on delivery zip code and apply to the lower 48 states. Locations without a dock or forklift will incur lift gate fee. Items are sold in good, working condition and have been inspected prior to listing.