JAGUAR 7852-993-442 Xkr Power Steering Gear Rack Pinion 551-59312B XK8
fits make: Jaguar. year: 2003–2006.
( Manufacturer Part Number: 7852-993-442 ), ( Conditions Options: Convertible, Auto, Rwd ), ( Genuine Oem: Yes ), ( Ipn: 551-59312b ), ( Manufacturer Warranty: 60 Day ), ( Type: Rack Pinion )
Review JAGUAR Xk8 Xkr Power Steering Gear Rack And Pinion fits 2003–2006
The **Jaguar XK8/XKR Power Steering Gear Rack and Pinion Assembly (Part #551-59312B)** is a precision-engineered component designed exclusively for the iconic 2003 through 2006 Jaguar XK8 and XKR models, ensuring seamless steering performance and long-term reliability. This high-quality, direct-fit replacement is meticulously crafted to match the original specifications of Jaguar s power steering system, delivering smooth, responsive handling while maintaining the sporty, luxurious driving dynamics that define the XK series. The rack and pinion mechanism is built with durable, corrosion-resistant materials, including hardened steel components and specialized coatings, to withstand the demands of daily driving, spirited acceleration, and extended exposure to varying weather conditions. Whether navigating tight city streets or cruising along winding coastal roads, this gear rack and pinion assembly provides consistent feedback and precise control, enhancing both the driver s confidence and the vehicle s overall performance.
Ideal for enthusiasts and mechanics alike, this part is a direct, no-compromise replacement for the factory unit, eliminating the need for costly modifications or adaptations. The design incorporates Jaguar s original ball-screw mechanism, ensuring optimal efficiency and longevity, while the integrated power steering pump interface guarantees seamless integration with the existing hydraulic system. Built to meet or exceed OEM standards, the assembly features a robust mounting bracket system that secures it firmly to the vehicle s subframe, reducing vibration and preventing premature wear. For those seeking to restore their XK8 or XKR to factory-like condition or upgrade their steering system for improved durability, this gear rack and pinion assembly is an essential component that combines Jaguar s engineering heritage with modern reliability.
Perfect for both restoration projects and routine maintenance, the **551-59312B** is a trusted choice among Jaguar specialists and independent mechanics. Its compatibility with the 2003, 2004, 2005, and 2006 model years ensures a hassle-free fit, while its robust construction minimizes the risk of leaks, binding, or premature failure. Whether you re maintaining a classic XK8 or upgrading your XKR for enhanced performance, this power steering gear rack and pinion assembly delivers the precision, durability, and performance you expect from Jaguar without the compromises of aftermarket alternatives.
### **Pros and Cons of Buying a Jaguar XK8/XKR Power Steering Gear Rack Pinion (Part Number: 551-59312B, Years: 2003 2006)**
#### **Pros:**1. **Compatibility and Fitment** This part is designed specifically for Jaguar XK8 and XKR models from 2003 to 2006, ensuring a direct fit without modifications. It replaces the original rack-and-pinion assembly, which may have worn out over time.
2. **Improved Steering Response** A new or high-quality aftermarket rack can restore smooth, precise steering, reducing play and vibration that often develops in older vehicles. This is particularly noticeable in XK models, which are known for their sporty handling.
3. **Prevents Further Damage** If the original rack is leaking fluid, has internal corrosion, or exhibits excessive play, replacing it prevents costly damage to the steering column, tie rods, or suspension components.
4. **Enhanced Durability** Modern aftermarket racks (especially from reputable brands like Moog, Febi Bilstein, or OE-equivalent suppliers) are often built with improved materials and seals, reducing the risk of premature failure compared to the original Jaguar parts, which were known for wear issues.
5. **Cost-Effective Compared to Full Suspension Rebuild** Replacing just the rack is significantly cheaper than overhauling the entire suspension or steering system, making it a practical solution for restoring proper steering function.
6. **Potential for Performance Upgrades** Some aftermarket racks offer stiffer or more responsive tuning options, which can improve handling for enthusiasts who want a sharper steering feel without a full suspension swap.
7. **Warranty Coverage** Purchasing from a trusted supplier (e.g., RockAuto, eBay (verified sellers), or Jaguar specialty shops) may include a warranty, providing peace of mind against early failure.
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#### **Cons:**1. **Cost** While cheaper than a full suspension rebuild, a new rack (especially an OE or high-quality aftermarket unit) can still range from **$300 $800 **, depending on brand and supplier. Labor costs (if not DIY) will add to the expense.
2. **DIY Difficulty** Replacing the rack requires removing the wheel, steering column, and sometimes the sway bar, which can be time-consuming for inexperienced mechanics. Improper installation may lead to misalignment or binding.
3. **Potential for Counterfeit Parts** Buying from untrusted sellers (e.g., eBay without seller verification or unknown online marketplaces) risks receiving a low-quality or fake part that fails quickly. Always check for authenticity and return policies.
4. **Additional Wear May Be Present** Even if the rack is replaced, other steering components (tie rods, ball joints, bushings, or the steering column) may be worn. A full inspection is recommended to avoid recurring issues.
5. **Power Steering Fluid Leaks** If the original rack had a leak, the new one may still require periodic fluid checks. Some aftermarket racks have improved seals, but fluid maintenance is still necessary to prevent binding or failure.
6. **Alignment Required** After installation, a **wheel alignment** is mandatory to ensure proper steering geometry. Failure to do so can lead to uneven tire wear or handling issues.
7. **Limited Longevity Without Maintenance** While a new rack lasts longer than an original, it is not indestructible. Neglecting fluid changes or ignoring minor leaks can shorten its lifespan, especially in older vehicles prone to corrosion.
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### **Conclusion**
Replacing the power steering rack pinion on a **2003 2006 Jaguar XK8/XKR** is a **practical and cost-effective solution** for restoring smooth, responsive steering. The benefits such as improved handling, prevention of further damage, and potential performance gains outweigh the drawbacks for most owners, provided the part is sourced responsibly and installed correctly.
However, the **cost, DIY complexity, and need for complementary inspections** (e.g., tie rods, fluid system) are valid considerations. If the vehicle has extensive steering or suspension wear beyond the rack, a more comprehensive repair may be necessary.
### **Recommendation**
1. **Source the Part Carefully** Purchase from a **reputable supplier** (e.g., RockAuto, Jaguar specialty shops, or verified eBay sellers) to avoid counterfeit or low-quality units. Consider **OE-equivalent brands** (e.g., Moog, Febi Bilstein) for reliability.
2. **Inspect Related Components** Before installation, check the **tie rods, ball joints, steering column, and power steering pump** for wear. Replace any compromised parts to ensure the rack functions correctly.
3. **DIY or Professional Installation?**
- If comfortable with suspension work, **DIY installation** is feasible but requires patience.
- If unsure, **hire a Jaguar specialist or reputable mechanic** to avoid misalignment or improper sealing.
4. **Post-Installation Maintenance**
- **Change the power steering fluid** every **2 3 years** or as recommended.
- **Monitor for leaks** and address them promptly.
- **Get a wheel alignment** immediately after installation.
5. **Budget for Extras** Account for **labor costs (if applicable), alignment, and potential additional parts** (e.g., new hoses, seals) to avoid surprises.
**Final Verdict:** **Worth it for most owners** who prioritize reliable steering and want to avoid more expensive repairs. Just ensure proper sourcing, installation, and maintenance to maximize longevity.
Details:
These extra attached parts are not covered by any warranty. Warranty covers the base component and none of other attached parts. Jaguar XK8 XKR Power Steering Gear Rack Pinion Fits 2003 2004 2005 2006 03 04: Review photos this is your actual part. Donor Vehicle: model: XK8.
Miles: 115000 - N/A or Unknown. Many electronic modules and components require programming. Parts are not covered for external fluid leaks. Stock #: 264935.
Major components are stamped and may have heat sensitive tabs attached to indicated overheating that would void warranty.
specifications steragebo:
- for makes: Jaguar
- for years: 2003-2006
- mpn: 7852-993-442
- conditions options: Convertible, Auto, Rwd
- genuine oem: Yes
- ipn: 551-59312b
- manufacturer warranty: 60 Day
- type: Rack Pinion
payments steragebo:
- credit card: Mastercard
- wallet: Paypal
- other
shipping steragebo:
- class: Standard
- service: Standard
- type: Fixed
- cost: $0.00
- transit: 3-6 Days
seller steragebo:
- rating: 99.4%
- city: Port Washington, Wisconsin
- # reviews: 11364
offer steragebo:
- started: March 30, 2026
- availability: In Stock
- sold: 0
- options: Ship-to-home
- best offers: True
- quantity: 1
returns steragebo:
- time: 30 Days
- paid by: Buyer
- policy: Returns Accepted
general steragebo:
- Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions
- condition: Used
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