JAGUAR NNA5800EA Rear Drive Shaft Bolt Flange Automatic 431-58752 3.6
fits model: Xj6, Rwd. make: Jaguar. year: 1988–1989.
( Manufacturer Part Number: NNA5800EA ), ( Part Type: Driveshaft Bolt Flange ), ( Conditions Options: 3.6, At ), ( Genuine Oem: Yes ), ( Ipn: 431-58752 ), ( Descriptionpartcondition: 3.6, At, Rwd 3 Bolt Flange ), ( Warranty: 90 Day )
Review JAGUAR Rear Drive Shaft Bolt Flange 3.6 Automatic Oem fits XJ6 RWD 1988–1989
The **Jaguar NNA5800EA Rear Drive Shaft Bolt Flange** is a precision-engineered component designed specifically for the **1988 and 1989 Jaguar XJ6 models** equipped with the **3.6-liter inline-six engine** and a **four-speed automatic transmission** in rear-wheel-drive (RWD) configurations. This high-quality flange serves as a critical interface between the rear driveshaft and the differential housing, ensuring seamless power transfer while maintaining structural integrity under the demanding loads of high-performance driving. Crafted from **heat-treated alloy steel**, this flange is forged to exacting tolerances to withstand the rigors of daily use, including aggressive acceleration, spirited cornering, and prolonged highway cruising. The **NNA5800EA designation** corresponds to Jaguar s original equipment specification, guaranteeing a perfect fit with minimal modification required, whether you're restoring an original vehicle or upgrading an aftermarket driveshaft assembly. Its robust design incorporates **precision-machined bolt holes** aligned for optimal torque distribution, reducing the risk of misalignment or premature wear on the driveshaft yoke or differential splines. For enthusiasts and mechanics alike, this flange represents a reliable, factory-matched solution that restores factory performance and durability, making it an essential part for any Jaguar XJ6 owner seeking to maintain or enhance their vehicle s drivetrain integrity.
### **Pros and Cons of Buying a 1988-1989 Jaguar XJ6 (NNA5800EA) with Rear Drive Shaft Bolt Flange Issues**
#### **Pros**
1. **Classic Jaguar Prestige** The XJ6 is one of Jaguar s most iconic models, known for its refined luxury, elegant styling, and British engineering heritage. Owning one carries a sense of prestige and timeless appeal.
2. **Strong V8 Engine (5.3L AJ-V8)** The 5.3L AJ-V8 (or the 4.2L in earlier models) is a robust, naturally aspirated engine that delivers solid power (around 200-220 hp) and a smooth, linear powerband. It s a classic British V8 with good reliability if maintained properly.
3. **Automatic Transmission (3.6L Automatic)** The 3.6L automatic transmission (a BorgWarner unit) is a well-regarded option for the era, offering smooth shifting and better fuel economy than manual models. It s also easier to drive in stop-and-go traffic compared to a manual.
4. **RWD Handling (Rear Drive Shaft Bolt Flange Issue Noted)** The rear-wheel-drive layout provides engaging, classic driving dynamics, though the bolt flange issue (discussed below) can be a concern. If fixed, it restores proper driveline integrity.
5. **Potential for Restoration & Customization** Jaguar XJ6s are popular among enthusiasts, meaning parts, restoration guides, and aftermarket support are widely available. Owners can restore them to showroom condition or modify them for performance (e.g., upgraded suspension, exhaust, or engine tuning).
6. **Lower Running Costs (Compared to Modern Luxury Cars)** While maintenance can be expensive, the XJ6 is generally cheaper to insure and fuel than modern luxury sedans. Parts are still reasonably priced compared to newer Jaguars.
7. **Resale Value for Enthusiasts** Well-maintained examples, especially with low miles, hold value among Jaguar collectors. Restored models can appreciate significantly.
---
#### **Cons**
1. **Rear Drive Shaft Bolt Flange Problem (Critical Issue)**
- The bolt flange connecting the rear drive shaft to the differential is a known weak point in these models. Over time, the bolts can strip or break, leading to a **severe driveline failure** (the shaft detaching mid-drive).
- This is a **major safety hazard** if the flange fails, the car could lose power to the rear wheels entirely, risking a loss of control.
- **Fix:** The flange can be replaced with a **heavy-duty aftermarket flange** (e.g., from **Jaguar Performance Parts** or **Race Department**) or a **custom welded-on solution**. This is a **must-do repair** before buying, as it s a hidden failure risk.
2. **High Maintenance & Repair Costs**
- Jaguar s British engineering is known for **complexity and wear**. Common issues include:- **Suspension wear** (ball joints, bushings, shocks)
- **Brake system failures** (old drums/disks, worn calipers)
- **Electrical gremlins** (faulty sensors, wiring issues)
- **Transmission leaks** (seals, fluid changes)
- Parts can be expensive, and labor costs add up, especially if working with a specialist.
3. **Fuel Economy & Running Costs**
- The V8 is thirsty, averaging **12-15 MPG** in real-world driving. Gasoline prices mean higher running costs compared to modern efficient cars.
- **Oil changes** must be done **every 3,000-5,000 miles** (or as recommended) to prevent sludge buildup in the V8.
4. **Rust & Body Condition**
- Many XJ6s from this era suffer from **underbody rust**, especially in the **wheel arches, sills, and subframe**. A thorough inspection is essential.
- **Paint and trim** can also degrade over time, requiring touch-ups or full resprays.
5. **Reliability Concerns (If Neglected)**
- The **AJ-V8 engine** is strong but prone to **oil leaks** (valve cover gasket, oil pan gasket) and **timing chain stretch** (leading to poor performance if ignored).
- The **automatic transmission** can develop **slippage or rough shifting** if fluid isn t changed regularly.
- **Water pump failures** (common in these years) can lead to overheating if not addressed.
6. **Driving Experience Limitations**
- While RWD is fun, the **heavy weight** and **softer suspension** (compared to modern cars) make it less nimble.
- **Braking performance** can be mediocre unless upgraded (drums in some models, weak calipers).
- **Noise and vibration** (road, wind, engine) are more noticeable than in modern cars.
7. **Insurance & Legal Issues**
- **Insurance can be expensive** due to parts availability and repair costs.
- **MOT (UK) or emissions compliance** (in some regions) may require upgrades (e.g., catalytic converter, exhaust modifications).
---
### **Conclusion & Recommendation**
#### **Should You Buy This Jaguar?**
**Yes, but only if:****The rear drive shaft bolt flange has been properly repaired** (preferably with a **heavy-duty aftermarket flange or welded solution**). This is the **most critical fix** without it, the car is unsafe.
**The engine has been maintained** (regular oil changes, no sludge, no major leaks).
**The suspension, brakes, and steering are in good condition** (no excessive play, rust, or worn components).
**The automatic transmission is smooth** (no slipping, proper fluid level and condition).
**The body is rust-free or has been properly repaired** (no major structural corrosion).
**You are prepared for higher maintenance costs** and have a budget for potential repairs.
#### **Who Should Buy This Car?**
- **Jaguar enthusiasts** who appreciate classic British luxury and don t mind the quirks.
- **Owners willing to invest time and money in restoration** (or already have a restored example).
- **Those who prioritize driving enjoyment over modern convenience** (RWD fun, V8 sound, timeless design).
- **People with mechanical skills** (or access to a trusted Jaguar specialist) to handle repairs.
#### **Who Should Avoid This Car?**
- **First-time classic car buyers** without experience in high-maintenance vehicles.
- **Those on a tight budget** (expect ** 5,000 15,000 per year** in maintenance if not well-maintained).
- **People who want a hassle-free, modern luxury car** (this is **not** a plug-and-play daily).
- **Buyers who cannot confirm the driveline issue has been fixed** (this is a **dealbreaker**).
#### **Final Verdict:**If you **find a well-documented, properly repaired 1988-1989 XJ6 RWD with a fixed rear drive shaft flange**, it can be an **excellent investment** both as a **daily driver (with caveats)** and a **showpiece**. However, **buying one without addressing the flange issue is a risky proposition**.
**Recommendation:**- **Get a pre-purchase inspection (PPI) from a Jaguar specialist** focus on the **driveline, engine, transmission, and body condition**.
- **Demand proof of the flange repair** (photos, receipts, or a mechanic s note confirming the fix).
- **Budget for at least 10,000 20,000 in repairs** if buying a project car.
- **Consider alternatives** (e.g., a **restored XJ6 with a known good history**) if you want a lower-risk purchase.
**Bottom Line:** A **fixed** 1988-1989 XJ6 can be a fantastic car for the right owner, but **unfixed driveline issues make it a liability**. Proceed with caution and thorough due diligence.
Details:
Rear Drive Shaft 3 Bolt Flange 3.6 Automatic RWD OEM 1988 1989 Jaguar XJ6: Some vehicles have different specs that must be matched to ensure fit. Rear Drive Shafts are guaranteed to be non-broken, non-leaking, and in good used shape. Automatic or 5 speed transmission.
Please see pictures for reference of what is included. Not just our Heritage, but Legacy Rear Drive Shaft 3 Bolt Flange 3.6 Automatic RWD OEM 1988 1989 Jaguar XJ6. Also, please see our notes for what specific vehicle this item is Examples: Does your have the same wheel base. Orders placed after 2:00 pm CST cannot be guaranteed shipping that day.
These parts are used, therefore, please expect minor plastic wear/surface oxidization.
part #: nna5800ea prices
- $73.14-$179.19
specifications universajoin:
- for models: Xj6, Rwd
- for makes: Jaguar
- for years: 1988-1989
- mpn: Nna5800ea
- part type: Driveshaft Bolt Flange
- conditions options: 3.6, At
- genuine oem: Yes
- ipn: 431-58752
- descriptionpartcondition: 3.6, At, Rwd 3 Bolt Flange
- warranty: 90 Day
returns universajoin:
- time: 30 Days
- paid by: Buyer
- policy: Returns Accepted
seller universajoin:
- rating: 99.7%
- city: Mobile, Alabama
- # reviews: 63418
general universajoin:
- Transmission Drivetrain > Driveshafts Parts > Driveshafts
- condition: Used
payments universajoin:
- wallet: Google-pay
- credit card: Discover
- other
offer universajoin:
- started: May 13, 2026
- quantity: 1
- sold: 0
- options: Ship-to-home
- availability: In Stock
- best offers: True
shipping universajoin:
- service: Standard
- transit: 2-6 Days
- cost: $100.00
- class: Standard
- type: Fixed
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