JAGUAR 482056 Right Engine Cylinder Head 6-181 3.0L

( Manufacturer Part Number: 482056 ), ( Color: Red ), ( Genuine Oem: No ), ( Type: Engine Cylinder Head ), ( Manufacturer Warranty: 90 Day ), ( Interchange Item Code: 306 )

Review JAGUAR Used Right Engine Cylinder Head Type 3.0l From Vin fits M45 2004

The **Jaguar 482056 Right Engine Cylinder Head (2004, 6-181, 3.0L M45)** is a meticulously engineered component designed to deliver peak performance and reliability for Jaguar s iconic 3.0-liter inline-six engine, commonly found in models like the XK8, XJ8, and S-Type. This right-hand cylinder head is a critical part of the **M45 engine family**, a high-performance variant of Jaguar s legendary AJ-V8 architecture, refined for enhanced power, efficiency, and durability. Crafted from high-grade cast iron or aluminum (depending on the specific variant), this cylinder head features a precision-machined surface to ensure optimal sealing and heat dissipation, which is essential for maintaining consistent compression ratios and preventing premature wear. The head incorporates **four-valve-per-cylinder architecture**, allowing for improved airflow and combustion efficiency, which translates to better throttle response and torque delivery key attributes for both street performance and spirited driving experiences.

The **482056 right cylinder head** is equipped with **hydraulic valve lifters** and **pushrod-operated valves**, a design choice that balances simplicity with performance, reducing maintenance complexity while still delivering robust power output. The head includes **integrated combustion chambers** that promote efficient fuel-air mixing, reducing emissions and improving fuel economy without sacrificing performance. Additionally, it features **high-flow exhaust and intake ports**, optimized for optimal gas flow to maximize horsepower and torque, particularly in the M45 s naturally aspirated configuration. The head also incorporates **modern ignition system compatibility**, ensuring seamless integration with Jaguar s advanced electronic fuel injection (EFI) and ignition control modules, which are critical for precise engine management.

For restoration or replacement purposes, this cylinder head is a **direct-fit OEM replacement**, ensuring full compatibility with the 2004 model year and the 6-181 engine code, which denotes the M45 variant. It is designed to meet Jaguar s stringent quality standards, offering **durable valve seats, precision-ground valve guides, and robust rocker arm mounts** to withstand the demands of high-performance driving. Whether used in a classic restoration project or as a performance upgrade for an existing engine, this cylinder head is engineered to restore or enhance the engine s original power output, smooth operation, and longevity. Proper installation, including the use of high-quality gaskets, torque specifications, and alignment with the intake manifold and exhaust headers, is essential to ensure optimal performance and prevent leaks or overheating. With its blend of heritage engineering and modern refinement, the **Jaguar 482056 right cylinder head** remains a cornerstone component for maintaining the legendary performance of the M45-powered Jaguar vehicles.

### **Pros and Cons of Buying a Jaguar 482056 Right Engine Cylinder Head (2004, 6-181, 3.0L M45)**

1. **Compatibility and Fitment** The **482056** is a known correct replacement part for the **Jaguar XK8, XFR, and some S-Type models** with the **3.0L AJ-V8 (M45) engine**. It is a direct drop-in part, meaning no major modifications are required for installation.

2. **Common Availability** As a widely used part, it is relatively easy to find in the aftermarket, both new and used. Many online marketplaces, Jaguar specialists, and performance shops stock it.

3. **Cost-Effective Alternative** Compared to a full engine rebuild or replacement, a new cylinder head can be significantly cheaper, making it a practical solution for restoring power and reliability.

4. **Performance Potential** A properly rebuilt or upgraded head can improve airflow, combustion efficiency, and power output, especially if paired with a **ported intake manifold, high-flow exhaust, or tuned ECU**.

5. **Prevents Further Engine Damage** Ignoring head wear, cracks, or valve seal leaks can lead to catastrophic failure (e.g., blown head gasket, valve float, or piston damage). Replacing it early avoids costly repairs.

6. **Used/Rebuilt Options Available** If budget is tight, a **rebuilt or lightly used head** (with new gaskets, valves, and seals) can be found at a fraction of the cost of a new one.

7. **Supports DIY Enthusiasts** The M45 engine is a relatively straightforward V8, and while head replacement requires mechanical skill, it is manageable for experienced DIYers with the right tools.

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1. **Age and Wear of the Engine** The **2004 M45 engine** is already **18 years old**, meaning it may have accumulated **mechanical wear** (camshaft lobes, lifters, bearings, or rod bearings). A head replacement alone won t fix these issues.

2. **Potential for Hidden Damage** If the engine has been **neglected**, the head may have **cracks, warping, or internal damage** (e.g., burnt valves, seat erosion). A thorough inspection is essential before purchasing.

3. **Cost of Additional Repairs** Even if the head is in good condition, other components (e.g., **camshafts, lifters, oil pump, water pump, or timing chain**) may need replacement, adding to the total cost.

4. **Labor-Intensive Installation** Removing and installing a cylinder head requires **disassembling the engine partially**, which can be time-consuming and may necessitate **specialized tools** (e.g., head removal bolts, torque wrench, gasket scraper).

5. **Risk of Counterfeit or Low-Quality Parts** Some aftermarket parts (especially from untrusted sellers) may be **mismatched, poorly machined, or even fake**. Buying from a **reputable dealer** is crucial.

6. **Potential for Future Issues** Even with a new head, **long-term reliability** depends on proper maintenance. If the engine lacks **regular oil changes, cooling system checks, or ignition system upkeep**, problems may recur.

7. **Depreciation and Market Value** Jaguar V8s (especially older M45 models) are **notoriously expensive to maintain**. If the car is not a **restored or well-maintained project**, the long-term ROI may not justify the investment.

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- The engine is **otherwise in good condition** (no major wear in bearings, rods, or camshafts).

- You **inspect the head thoroughly** (look for cracks, warping, or internal damage).

- You **budget for additional repairs** (e.g., camshafts, lifters, seals).

- You **plan to keep the car long-term** or are restoring it for performance.

However, if the engine is **severely worn, the car has high mileage without maintenance, or you re unsure about mechanical skills**, the **cost-benefit may not justify the purchase**. In such cases, a **full engine rebuild or replacement** (if feasible) could be a safer long-term solution.

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1. **Verify the Head s Condition** Before buying, ensure it is **not cracked, warped, or internally damaged**. A **pressure test, magnaflux inspection, or professional assessment** is ideal.

2. **Check Engine Health** If possible, **test the engine s compression, oil pressure, and camshaft wear** before committing. A **compression test above 150-160 PSI per cylinder** is a good sign.

3. **Buy from a Trusted Source** Prefer **Jaguar-approved parts dealers, eBay (with seller feedback), or reputable performance shops** over unknown sellers.

4. **Consider a Rebuilt Head** If budget is tight, a **rebuilt head with new valves, seats, and springs** can be a cost-effective alternative to a new one.

5. **Factor in Full Engine Work** If the engine is **old and worn**, weigh whether a **head replacement alone is enough** or if a **full rebuild (or even engine swap)** is more practical.

6. **Budget for Additional Components** Expect to spend **$500 $1,500 ** on **camshafts, lifters, gaskets, seals, and labor** if the engine needs more work.

7. **Weigh Long-Term Reliability** If the car is **not a project you plan to maintain long-term**, the **cost of ownership may outweigh the enjoyment**.

- **If the engine is healthy and you re confident in the head s condition Proceed with purchase.**

- **If the engine is worn or you lack mechanical experience Consider a full rebuild or consult a Jaguar specialist first.**

Would you like guidance on **where to buy, inspection tips, or installation steps**?

Details:

All parts are covered by warranty. Every part is cleaned, tested and inspected by experts. Parts go back into cars rather than landfill. 6-181 3.0L V6 R.

Original parts mean a perfect fit. This part fits vehicles made in the f allowing years 2002 ,2003, 2004 ,2005,2006,2007,2008. Unless specified as Universal this is a direct fit Engine Cylinder Head.

part #: 482056 prices

• $134.87-$239.99

specifications cylinderheapar:

• for models: M45
• for makes: Jaguar
• for years: 2004
• mpn: 482056
• color: Red
• genuine oem: No
• type: Engine Cylinder Head
• manufacturer warranty: 90 Day
• interchange item code: 306

returns cylinderheapar:

• policy: Returns Accepted
• paid by: Seller
• time: 60 Days

payments cylinderheapar:

• other
• credit card: Diners-club
• wallet: Paypal

seller cylinderheapar:

• rating: 99.4%
• # reviews: 4045
• city: Harrison, Michigan

offer cylinderheapar:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: June 11, 2026
• best offers: True
• availability: In Stock

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

shipping cylinderheapar:

• type: Fixed
• class: Standard
• service: UPS Ground
• cost: $0.00
• transit: 2-6 Days
• carrier: UPS

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