Please wait… 
Please wait while we process your order,
do not press the back button… 
Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk Facebook Instagram
Porsche specialists based in the UK
Porsche > 964 (911) (1989-1994) > Service Parts >

Engine Oil & Lubricants - Millers Oils

Engine Oil & Lubricants - Millers Oils

Refine by Car Type
Filter by brand
DISPLAYING 17 to 17 (of 17 products)
1 2
Trident Professional 5w40 Engine Oil 5Ltr Millers oils - 7625go
1
Trident Professional 5w40 Engine Oil 5Ltr Millers oils
7625GO
Product Information
Product Information
Trident Professional 5w40 Engine Oil 5Ltr


5 Litre Bottle


A professional, fully synthetic, full SAPS engine oil suitable for the latest engine technology. Designed to meet OEM specifications and suitable for use in both petrol and diesel engines. Millers Oils Trident Professional 5w-40 is recommended for engines requiring a 5w40 viscosity meeting the manufacturer specifications.

DESCRIPTION:

A professional, fully synthetic, full SAPS engine oil suitable for the latest engine technology. Designed to meet OEM specifications and suitable for use in both petrol and diesel engines.


APPLICATION:

Millers Oils Trident Professional 5w-40 is recommended for engines requiring a 5w40 viscosity meeting the manufacturer specifications.


FEATURES & BENEFITS:

Excellent low temperature flow when cold starting, helping to instantly protect vital components

Viscosity stability at high temperatures, delivering reduced wear and tear on the engine and its components

Formulated with technology to provide engine cleanliness and durability which reduces emissions and provides extended drain capability

Millers Oils stop start technology delivers instant protection under hot or cold conditions


PERFORMANCE PROFILE:

ACEA A3/B4

ACEA A3/B3

API SN, SM, SL, CF

SUITABLE FOR:

BMW Longlife-01 BMW Longlife-98

Chrysler MS-12991

Fiat 9.55535-Z2, Fiat 9.55535-N2 Fiat 9.55535-M2, Fiat 9.55535-H2

GM-LL-B-025, GM-LL-A-025

MB 226.5, MB 229.5, MB 229.3, MB 229.1

Porsche A40

PSA B71-2296 <2014, PSA B71-2295, PSA B71-2294

Renault RN0700 / RN0710

VW 502 00 / 505 00

Asian manufacturers




Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

7625GO
7625go

The product you are viewing cross references to these numbers
DISPLAYING 17 to 17 (of 17 products)
1 2
About Engine Oil & Lubricants - Millers Oils

Millers Oils Engine Oil & Lubricants - Porsche Performance & Service Oils

Millers Oils Engine Oil & Lubricants are engineered to deliver reliable protection, performance, and longevity for Porsche engines across road, performance, and motorsport applications. With a strong heritage in British motorsport and advanced lubrication technology, Millers Oils provide excellent wear protection, thermal stability, and engine cleanliness for both modern and classic Porsche models.

Supplied by Design911, Millers Oils offer a trusted solution for routine servicing, high-performance driving, and specialist engine requirements.

What Do Millers Oils Engine Oil & Lubricants Do?

Millers Oils protect and optimise Porsche engine operation under varying driving conditions.

Core Functions:

  • Lubricate internal engine components to reduce friction and wear.
  • Maintain stable viscosity and oil pressure.
  • Protect against corrosion, deposits, and sludge build-up.
  • Manage heat under load and high-temperature operation.
  • Support smooth engine performance and efficiency.

Selecting the correct Millers oil specification is essential for maintaining Porsche engine health.

Why Do Engine Oils & Lubricants Fail?

Engine oil degradation is inevitable and influenced by operating conditions.

Common Causes of Failure:

  • Thermal breakdown from sustained high engine temperatures.
  • Contamination from fuel dilution, moisture, or combustion debris.
  • Additive depletion over extended service intervals.
  • Incorrect oil grade or unsuitable specification.
  • Increased stress from track use or aggressive driving.

Degraded oil loses its protective properties, increasing engine wear and reducing performance.

When Should Millers Oils Be Replaced?

Regular oil changes are essential to protect Porsche engines.

Replacement Is Recommended When:

  • Manufacturer service intervals are reached.
  • Oil appears contaminated, dark, or degraded.
  • Oil pressure or consumption changes are detected.
  • After track days or high-performance driving.
  • Seasonal servicing or long-term storage is planned.

Performance-focused Porsche vehicles may require shorter oil change intervals.

Key Benefits

  • Trusted Millers Oils formulations
  • Excellent wear and corrosion protection
  • Suitable for road, performance, and motorsport use
  • Supports modern and classic Porsche engines
  • Proven reliability and engine cleanliness

You may also like
Popular Models