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Details
| Specification | Value |
|---|---|
| Brand | CASTROL |
| MPN | 15b34c |
| Capacity [litre] | 5 l |
| Container Type | FL |
| Specification | JASO DH-2 |
| Specification | API Diesel CJ-4 |
| Specification | ACEA Diesel E8 |
| Specification | ACEA Diesel E9 |
| Specification | ACEA Diesel E7 |
| Specification | ACEA Diesel E6 |
| Specification | ACEA Diesel E11 |
| Manufacturer Approval | MTU Oil Category 3 |
| Manufacturer Approval | Volvo VDS-4 |
| Manufacturer Approval | Volvo VDS-4.5 |
| Manufacturer Approval | Volvo CNG |
| Manufacturer Approval | RVI RLD-3 |
| Manufacturer Approval | MB 228.51 |
| Manufacturer Approval | MAN M 3477 |
| Manufacturer Approval | CAT ECF-3 |
| Manufacturer Approval | Cummins CES 20081 |
| Manufacturer Approval | Deutz DQC IV-10LA |
| Manufacturer Approval | Deutz DQC IV-18 LA |
| Manufacturer Approval | DTFR 15C110 |
| Manufacturer Approval | Mack EO-O Premium |
| Manufacturer Approval | Mack EOS-4.5 |
| Manufacturer Approval | MAN M 3271-1 |
OE part numbers
No OEM references found.
About this product
Sourced from CASTROL, this engine oil (15B34C) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Capacity [litre]: Rubber l, Container Type: FL, Specification: JASO DH-2, Specification: API Diesel CJ-4, Specification: ACEA Diesel E8 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. CASTROL is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.No equivalent parts found.
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
CASTROL 15b34c . Capacity [litre]: 5 l. Container Type: FL. Manufacturer Approval: CAT ECF-3. Manufacturer Approval: Cummins CES 20081. Manufacturer Approval: Deutz DQC IV-10LA. Manufacturer Approval: Deutz DQC IV-18 LA. Manufacturer Approval: DTFR 15C110. Manufacturer Approval: Mack EO-O Premium
- 1x Engine Oil
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Engine Oil compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Engine Oil fits. All fitment data is verified through TecDoc.
What specifications does this CASTROL Engine Oil have?
This CASTROL Engine Oil has the following specifications: Capacity [litre]: 5 l; Container Type: FL; Specification: JASO DH-2; Specification: API Diesel CJ-4; Specification: ACEA Diesel E8; Specification: ACEA Diesel E9. Check the full specifications table above for complete details.
How much does a Engine Oil cost?
This CASTROL Engine Oil is available for £47.99. Engine Oil prices vary depending on brand, specifications, and vehicle compatibility. CASTROL parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Engine Oil?
Regular inspection of your Engine Oil is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Engine Oil?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Engine Oil fitted by a professional mechanic.
Is the CASTROL 15B34C the same as the CASTROL 14BBF6?
No, while both are Engine Oil parts, they are different products. The CASTROL 15B34C has Capacity [litre]: 5 l, Container Type: FL, Specification: JASO DH-2. The CASTROL 14BBF6 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
