1. Car & Truck Engines Used/New Products
  2. sku: 7991058118063663
  3. JAGUAR 300-83440A

JAGUAR 300-83440A Motor Engine 4.0L 7TH 463135

fits model: Xj6. make: Jaguar. year: 1990–1994.

300-83440a Jaguar Motor Engine 4.0l Vin 2 7th Digit Fits 90-94 Xj6 463135

( Part Type: Motor Engine ), ( Conditions Options: At, Rwd ), ( Genuine Oem: Yes ), ( Ipn: 300-83440a ), ( Manufacturer Warranty: 6 Month )

Review JAGUAR Motor Engine 4.0l Vin 7th Digit Fits fits XJ6 1990–1994

The Jaguar 300-83440A motor engine is a sophisticated powerhouse specifically designed for the Jaguar XJ6 models produced between 1990 and 1994. With a displacement of 4.0 liters, this engine delivers an impressive combination of power and efficiency.

This seventh generation engine is renowned for its refined performance, delivering 217 horsepower at 5,500 RPM and 268 lb-ft of torque at 3,800 RPM. The engine's aluminum alloy block and head reduce weight and increase thermal efficiency, while the double overhead camshaft (DOHC) design enhances power output and responsiveness.

The Jaguar 300-83440A motor engine features a state-of-the-art fuel injection system, which optimizes the air-fuel mixture for efficient combustion. This results in improved fuel economy and reduced emissions, making it not only a high-performing engine but also an eco-friendly one.

The engine's lubrication system ensures reliable and smooth operation, with an advanced oil pump and oil cooler that maintain optimal engine temperature and oil pressure. The engine also includes a timing chain, which provides durability and longevity, making it a reliable choice for Jaguar XJ6 owners.

The Jaguar 300-83440A motor engine is a testament to Jaguar's commitment to engineering excellence. Its sophisticated design, impressive power output, and eco-friendly features make it a desirable option for Jaguar enthusiasts and collectors alike. Whether you're restoring a classic XJ6 or looking for a high-performing replacement engine, the Jaguar 300-83440A motor engine is a top choice.

The Jaguar XJ6 4.0L 7th generation engine, specifically model number 300-83440A, is a powerful and sophisticated powertrain that was produced between 1990 and 1994. This engine was known for its elegant design, high performance, and luxurious feel, making it a desirable choice for Jaguar enthusiasts. Here are some pros and cons of buying this engine.

Pros:

1. Powerful: The 4.0L engine produces approximately 222 horsepower and 288 lb-ft of torque, making it a powerful and responsive engine.

2. Luxurious: The engine was designed to provide a smooth and refined driving experience, which is a hallmark of Jaguar vehicles.

3. Reliability (with proper maintenance): With regular maintenance, this engine can last for a long time, providing a reliable and enjoyable driving experience.

4. Collectible: Due to its popularity and limited production, the 4.0L XJ6 engine is a collectible item, and its value may appreciate over time.

5. Performance: This engine offers excellent performance, both in terms of acceleration and top speed.

Cons:

1. Expensive: This engine can be quite expensive to purchase, especially if you're looking for a high-performance version or if you're buying it from a specialist dealer.

2. Maintenance: The 4.0L engine requires regular maintenance to keep it running smoothly and efficiently. This can include replacing timing chains and other expensive components.

3. Fuel economy: This engine is not particularly fuel-efficient, with an estimated fuel consumption of around 18-23 mpg.

4. Complexity: The engine is complex and contains many sophisticated systems, which can make repairs and maintenance more challenging and expensive.

Conclusion:

The Jaguar XJ6 4.0L 7th generation engine offers a unique combination of power, luxury, and performance. While it can be expensive to purchase and maintain, its collectible value and excellent driving experience make it a desirable choice for Jaguar enthusiasts. Ultimately, whether or not to buy this engine depends on your personal preferences, budget, and driving habits. If you're looking for a powerful, luxurious, and collectible engine, then the 4.0L XJ6 engine may be the right choice for you. However, if you're on a tight budget or prioritize fuel efficiency, then you may want to consider other options.

Recommendation:

If you're considering buying the Jaguar XJ6 4.0L 7th generation engine, I would recommend doing thorough research before making a decision. Look for reputable dealers, read reviews from other owners, and consider the cost of maintenance and repairs. Additionally, consider your personal driving habits and preferences, as well as your budget, to determine if this engine is the right choice for you. Finally, be prepared for the ongoing maintenance and potential repairs that may be required to keep this engine running smoothly and efficiently.

Details:

Adjust throttle position sensor cable. Replace thermostat gasket. Transmission Warranty Installation Procedures Prior to installation of your used transmission we require these steps be taken for warranty valid. Engine Warranty Installation Procedures.

If needed replace timing gears, chains or belts gaskets. Replace oil pan gasket and rear main seal. Our entire inventory comes with a minimum 60-day limited warranty. Fill trans with manufacture specified fluid.

Engines are guaranteed against knocking and excessive smoking. Pre-Installation Requirements: Drain and replace engine oils to manufacture suggested levels. Clear all transmission computer codes prior to starting or operating vehicle. Flush and inspect cooling lines.

Install new spark plugs wires. Replace valve cover gaskets. Flush cooling system and re-fill. Replace oil, air and fuel filters.

Install new filter kit. Align and engage torque converter into front pump. Install new belts and hoses. Prior to installation of your used engine we require these steps be taken for warranty valid.

Pre-Installation requirements: Replace all seals.

part #: 300-83440a prices

  • $220.00-$925.00

specifications grokengines:

  • for models: Xj6
  • for makes: Jaguar
  • for years: 1990-1994
  • part type: Motor Engine
  • conditions options: At, Rwd
  • genuine oem: Yes
  • ipn: 300-83440a
  • manufacturer warranty: 6 Month

general grokengines:

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

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  • quantity: 1
  • started: April 21, 2026
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for models: xj6, for makes: jaguar, for years: 1990-1994, part type: motor engine, conditions options: at, rwd, genuine oem: yes, manufacturer warranty: 6 month,
manufacturer: jaguar, category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 7991058118063663,

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