The XJ 3.0 V6 Supercharged uses the AJ126 — a 3.0-litre supercharged V6 petrol engine. It was fitted from 2013 to 2019 across the X351 generation of the XJ, which ran from 2009 to 2019. The AJ126 is a derivative of the AJ133 V8, effectively a V8 with two cylinders removed, and shares much of its architecture. The XJ 3.0 V6 was introduced as a more efficient alternative to the V8, offering strong performance with lower running costs. The XJ 3.0 V6 is no longer in production, but we continue to rebuild and replace engines for every one still on the road. Jaguar XJ 3.0 V6 Engine Compatibility Because the AJ126 is a specific engine code used only in certain XJ models, fitting the wrong replacement — or assuming a V8 part will work — risks a compatibility problem. Before we quote or supply anything, we confirm: - Your exact engine code (AJ126) via registration or VIN - Your generation (X351) - Drivetrain and ancillary specification - Any electronics or ECU considerations specific to your exact build This is why we always start with your registration rather than a generic XJ quote — it protects you from paying for parts that don't fit your actual car. Jaguar XJ 3.0 V6 Applications by Generation Generation Chassis Years Engine Code Fuel X351 X351 2013–2019 AJ126 Petrol Supercharged Jaguar XJ 3.0 V6 Engines by Year Year Generation Engine Code Fuel Service 2013 X351 AJ126 Petrol Supercharged Rebuild / Replacement 2014 X351 AJ126 Petrol Supercharged Rebuild / Replacement 2015 X351 AJ126 Petrol Supercharged Rebuild / Replacement 2016 X351 AJ126 Petrol Supercharged Rebuild / Replacement 2017 X351 AJ126 Petrol Supercharged Rebuild / Replacement 2018 X351 AJ126 Petrol Supercharged Rebuild / Replacement 2019 X351 AJ126 Petrol Supercharged Rebuild / Replacement We Cover Every Jaguar XJ 3.0 V6 Model Year: ✓ Jaguar XJ 3.0 V6 2013 Engine Rebuild ✓ Jaguar XJ 3.0 V6 2016 Engine Rebuild ✓ Jaguar XJ 3.0 V6 2019 Engine Rebuild If your registration year isn't listed above, get in touch — we'll confirm availability directly against your reg. Jaguar XJ 3.0 V6 Engine Sizes ✓ Jaguar XJ 3.0 Litre Engine (AJ126, supercharged V6) Jaguar XJ 3.0 V6 Fuel Types ✓ Jaguar XJ 3.0 V6 Petrol Supercharged Engine Rebuilds Jaguar XJ 3.0 V6 Engine Costs A Jaguar XJ 3.0 V6 engine rebuild starts from £3,200. A full replacement engine and fitting service is also available. Exact pricing depends on the condition of your existing engine and the parts required — submit your registration for a fixed-price quote within 30 minutes. Related Jaguar XJ Variants Looking for a different XJ engine? We also cover: [Jaguar XJ 5.0 V8 Engine →] · [Jaguar XJ 5.0 V8 Supercharged Engine →] · [Jaguar XJR Engine →] · [Jaguar XJ 3.0d Engine →] · [Jaguar XJ6 Engine →] · [Jaguar XJ8 Engine →] [← View All Jaguar XJ Engines] Frequently Asked Questions What engine does the Jaguar XJ 3.0 V6 use? The XJ 3.0 V6 Supercharged uses the AJ126 — a 3.0-litre supercharged V6 petrol engine, fitted from 2013 to 2019 across the X351 generation. How much does a Jaguar XJ 3.0 V6 engine rebuild cost? Rebuilds start from £3,200. Exact price depends on condition and parts required — submit your reg for a fixed-price quote. Which engine code is fitted to my XJ 3.0 V6? The XJ 3.0 V6 uses the AJ126. Enter your registration on this page and we'll confirm your exact spec before you're quoted anything. Do you rebuild AJ126 XJ 3.0 V6 engines? Yes. We rebuild the AJ126 to original specification, replacing worn components as part of the process. Do you supply used XJ 3.0 V6 engines? Yes, in some cases a matched low-mileage used engine is the right option. Our team will advise honestly once we've matched your registration and understood your situation. Can you recover my XJ if the engine has failed? Yes — nationwide recovery is available from £70, and most vehicles are collected within a few hours of booking. How long does an XJ 3.0 V6 engine rebuild take? Most rebuilds are completed within 3-5 working days from the time your car arrives at our workshop. Is rebuilding better than fitting a used engine? For most XJ owners, yes. A rebuild removes the compatibility risk that comes with an unknown used unit's history, and comes with a 12-month unlimited-mileage warranty — often longer and more comprehensive than what a used engine supplier offers. <a name="quote-form"></a> Get Your Free Jaguar XJ 3.0 V6 Fixed-Price Quote [Quote Form: Registration Number | Postcode | Name | Phone | Email | Issue/Enquiry Type (dropdown: Engine Failure / Replacement Needed / General Enquiry) | Submit] Most quotes returned within 30 minutes during working hours. ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://jaguargarage.uk#organization", "name": "Jaguar Garage", "url": "https://jaguargarage.uk", "email": "info@jaguargarage.uk", "telephone": "+44 01268 944 234", "sameAs": [ "https://facebook.com/jaguarrebuildgarageuk", "https://twitter.com/jaguarrebuildgarageuk", "https://instagram.com/jaguarrebuildgarageuk", "https://tiktok.com/@jaguarrebuildgarageuk" ] }, { "@type": "AutoRepair", "@id": "https://jaguargarage.uk#autorepair", "name": "Jaguar Garage – XJ 3.0 V6 Engine Rebuild Specialists", "url": "https://jaguargarage.uk/jaguar-xj-3-0-v6-engines", "telephone": "+44 01268 944 234", "email": "info@jaguargarage.uk", "priceRange": "£££", "address": { "@type": "PostalAddress", "streetAddress": "Unit A5 Windsor Road, Commercial Estate, Ramsden Heath", "addressLocality": "Billericay", "postalCode": "CM11 1QE", "addressCountry": "GB" }, "openingHours": "Mo-Fr 09:00-18:00, Sa 11:00-14:00", "areaServed": "GB", "parentOrganization": { "@id": "https://jaguargarage.uk#organization" }, "brand": { "@type": "Brand", "name": "Jaguar" } }, { "@type": "Service", "serviceType": "Jaguar XJ 3.0 V6 Engine Rebuild & Replacement", "provider": { "@type": "AutoRepair", "name": "Jaguar Garage" }, "areaServed": "GB", "offers": { "@type": "Offer", "priceCurrency": "GBP", "price": "3200", "description": "Jaguar XJ 3.0 V6 (AJ126) engine rebuild starting price" } }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What engine does the Jaguar XJ 3.0 V6 use?", "acceptedAnswer": { "@type": "Answer", "text": "The XJ 3.0 V6 Supercharged uses the AJ126 — a 3.0-litre supercharged V6 petrol engine, fitted from 2013 to 2019 across the X351 generation." } }, { "@type": "Question", "name": "How much does a Jaguar XJ 3.0 V6 engine rebuild cost?", "acceptedAnswer": { "@type": "Answer", "text": "Rebuilds start from £3,200. 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Our team will advise honestly once we've matched your registration and understood your situation." } }, { "@type": "Question", "name": "Can you recover my XJ if the engine has failed?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — nationwide recovery is available from £70, and most vehicles are collected within a few hours of booking." } }, { "@type": "Question", "name": "How long does an XJ 3.0 V6 engine rebuild take?", "acceptedAnswer": { "@type": "Answer", "text": "Most rebuilds are completed within 3-5 working days from the time your car arrives at our workshop." } }, { "@type": "Question", "name": "Is rebuilding better than fitting a used engine?", "acceptedAnswer": { "@type": "Answer", "text": "For most XJ owners, yes. A rebuild removes the compatibility risk that comes with an unknown used unit's history, and comes with a 12-month unlimited-mileage warranty — often longer and more comprehensive than what a used engine supplier offers." } } ] } ] }

We continue to rebuild and replace engine engines for every XJ 3.0 V6 Supercharged on the road.