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Item #:
26397672
Mobil Delvac 1 ESP Heavy Duty Full Synthetic Diesel Engine Oil 5W-40, 1 Gal.
88% of respondents would recommend this to a friend
Item #:
26397672
XCD 126
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Imported from USA store
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Order now and get it around Wednesday, July 08
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Mobil Delvac 1 ESP 5W-40 is an advanced full synthetic oil specially formulated for diesel engines that works to extend engine life, fuel economy potential*, and deliver long drain capability for modern diesel engines operating in severe conditions.
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What Stands Out
Full Synthetic Formula
Mobil Delvac 1 ESP uses a full synthetic formulation, providing superior wear protection while enhancing engine cleanliness. This feature ensures optimal performance in heavy-duty diesel engines under extreme conditions.
High Temperature Stability
Engineered for high-temperature environments, this oil maintains viscosity and protects against thermal breakdown, allowing for longer oil change intervals and reduced maintenance costs for diesel vehicle owners.
Fuel Efficiency Improvement
This engine oil promotes improved fuel efficiency, resulting in lower operational costs. Its advanced formulation reduces friction and engine drag, making it an ideal choice for fleet operators looking for savings.
Product Details
- Advanced full synthetic diesel engine oil for modern diesel engines in severe conditions
- Formulated for high-performance diesel engines with turbocharger, direct-injection, and low-emission designs
- Provides excellent oxidation performance, anti-wear, and anti-scuff properties to reduce engine deposits
- Excellent low-temperature performance to increase oil flow at startup and control sludge formation
- Outstanding protection against oil thickening and degradation to reduce the frequency of oil changes
- Meets or exceeds the requirements of API CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4, SN, SM standards
| Package Weight | 8.5 Pound |
Who Should Buy?
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Heavy-Duty Diesel Users
Ideal for vehicles requiring high performance, especially under heavy loads and harsh driving conditions.
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Long Oil Change Intervals
Benefits users who opt for extended oil change intervals due to its durability and resistance to thermal breakdown.
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Extreme Temperature Drivers
Perfect for those operating vehicles in extreme temperatures, providing excellent cold start performance and protection.
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Gasoline Engine Users
Not suitable for gasoline engines, as it is specifically formulated for diesel engines and their requirements.
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Budget-Conscious Consumers
May not be ideal for users looking for lower-cost oil options, as it is on the premium pricing side.
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Light-Duty Vehicles
Generally unnecessary for light-duty vehicles, where less specialized oil options could suffice without the extra benefits.
Product Description
Mobil Delvac 1 ESP Heavy Duty Full Synthetic Diesel Engine Oil 5W-40, 1 Gal.
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Customer Questions & Answers
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Question:
What types of diesel engines is this oil recommended for?
Answer: Most engine generations up to the latest and most sophisticated high-performance diesel engines with turbocharger, direct-injection and low-emission designs, on-and-off highway applications operating in both high-speed/high-load and short-haul pick-up/delivery and in severe low-speed/heavy-load conditions, heavy-duty diesel engines using low-sulfur diesel fuels and many biodiesel fuel formulations, naturally aspirated and turbocharged, diesel-powered equipment, diesel-powered equipment from American and European builders, and refrigeration units. -
Question:
What specifications does this oil meet or exceed?
Answer: API CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4, SN, SM -
Question:
How does it compare to an SAE 15W-40 engine oil in terms of fuel economy?
Answer: Actual savings are dependent on vehicle/engine type, outside temperature, driving conditions, and your current engine oil viscosity.
Mobil Delvac 5W-40 Oil Editorial Review
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MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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Shawati
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Important information
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XCD 126
Order now and get it around Wednesday, July 08
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QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Fastest cross-border delivery
Features & Benefits
- Specially formulated for diesel engines
- Extends engine life
- Improves fuel economy potential
- Delivers long drain capability
- Reduces engine deposits and sludge formation
- Provides excellent low-temperature performance