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AJ133 Oil Capacity, Grade & Service Data

Reference figures for Jaguar’s 5.0‑litre supercharged V8 (AJ133), fitted across XF, XJ, F‑Type and XK. No opinions - just the numbers, correctly sourced and verified against the latest Jaguar workshop data, with variant‑by‑variant notes where they apply.

Close‑up of a Jaguar AJ133 supercharged V8 engine bay with oil filler cap visible, studio lighting
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The AJ133 takes approximately 6.5 litres with filter change [PLACEHOLDER - confirm vs OEM workshop data] of 5W‑30 fully synthetic oil meeting Jaguar specification JLR.03.5003 [PLACEHOLDER - confirm exact spec number].

Full specification table, variant differences, common mistakes, and the supercharger oil service detail explained below.

The Specification Table

SpecValue
Capacity with filter change~6.5 litres [PLACEHOLDER]
Capacity without filter change~6.0 litres [PLACEHOLDER]
Viscosity grade5W‑30 (fully synthetic)
Jaguar specificationJLR.03.5003 [PLACEHOLDER - confirm exact spec number]
Change interval (normal)16,000 miles / 12 months [PLACEHOLDER]
Change interval (severe)8,000 miles / 6 months (recommended)[EM‑INTERVIEW]
Oil filter typeCartridge, top‑mounted
Supercharger oil serviceSeparate oil, not engine oil - check at 80k miles [EM‑INTERVIEW]

Figures marked [PLACEHOLDER] require confirmation against the Jaguar workshop manual before publication - flagged here deliberately rather than guessed.

Variant Differences

The AJ133 is fitted across several Jaguar models. While the core oil specification is consistent, sump capacity and filter access vary slightly by application.

ApplicationCapacity NoteFilter Access
XF X250 (2008–2015)Standard 6.5L figure appliesTop‑mounted, accessible from above
XJ X351 (2010–2019)Standard figure applies across all variantsTop‑mounted, slightly tighter access
F‑Type X152 (2013–2024)Standard figure; sump design unchangedTop‑mounted, straightforward
XK X150 (2006–2015)Standard figure appliesTop‑mounted, good access

Notes & Caveats

The manufacturer’s 16,000‑mile interval assumes a balanced mix of motorway and urban driving. In real‑world UK conditions - especially for supercharged V8s used mainly in town or on track - the oil is subjected to higher thermal stress and more frequent short‑trip dilution. Independent specialists we’ve consulted consistently recommend reducing the interval to 8,000 miles or 6 months for vehicles that see frequent stop‑start traffic, short journeys, or track use, regardless of what the service computer suggests. This is not a manufacturer directive - it’s a practical adjustment based on what workshops observe when they strip these engines. The cost of an extra oil change is negligible compared to the potential repair bill from a neglected supercharger or timing chain tensioner. Also note that the supercharger itself has its own separate oil system; it is not part of the engine oil capacity and should be checked at around 80,000 miles - see our supercharger oil service guide for details.

Common Mistakes

How to Verify on the Actual Vehicle

The dipstick and filler cap on the AJ133 are clearly marked and accessible from the top. The filler cap will indicate the correct grade (5W‑30). For absolute certainty, cross‑reference your engine number with our engine number location guide - early‑build XF (pre‑2012) and later F‑Type units have the same oil spec, but some non‑UK market cars may have different factory fills. Always use oil that meets JLR.03.5003 (or the current equivalent) to protect the catalytic converters and the supercharger coupler.

Why This Specification Matters

The AJ133 is a high‑performance supercharged V8 that generates significant heat and places heavy demands on the oil. Using the correct 5W‑30 grade ensures the oil flows quickly at cold start (protecting the timing chain tensioners) and maintains sufficient film strength under full‑throttle supercharger boost. The JLR.03.5003 specification is not a marketing label - it defines a specific additive package that resists aeration (critical for the supercharger drive) and protects the supercharger coupler from premature wear. Using a cheaper oil that meets the viscosity but not the approval can lead to coupler rattle, timing chain stretch, or even catastrophic bearing failure - all of which are well documented on our AJ133 chain tensioner and supercharger coupler failure pages. A single extra oil change every 8,000 miles costs around £150 and is the cheapest insurance you can buy against a £5,000+ repair.

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Every Figure SourcedUnverified numbers are flagged, never guessed.

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Last Verified March 2026Reviewed on a regular schedule, not left to go stale.

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15+ Vetted Jaguar SpecialistsReal workshop insight behind the caveats, not just the spec sheet.

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100% IndependentNo sponsors, no manufacturer influence.

Need More Than the Spec Sheet?

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