Cummins Filters: Air, Oil, and Fuel Filter Guide with Fleetguard Options

Cummins Filters 

Filters are among the most frequently replaced components in any Cummins diesel engine, whether it’s used in trucks, generators, or heavy-duty equipment. In Nigeria’s dusty, high-heat environment, air, oil, and fuel filters play a critical role in protecting engine life and ensuring performance.

In this guide, we’ll walk through the types of Cummins filters, when to replace them, and why Fleetguard filters are the recommended standard.

Types of Cummins Filters

1. Air Filters

• Purpose: Traps dust and debris from entering the intake system

• Where used: All diesel engines (6BT, ISB, ISX15, generators)

• Common issue in Nigeria: Dust saturation during harmattan or off-road conditions

• When to replace: Every 10,000–20,000 km or after major dust exposure

• Fleetguard Example: AF1811K (for 6BT)

2. Oil Filters

• Purpose: Removes carbon, soot, and metal from engine oil

• Where used: Diesel truck engines and gensets

• When to replace: Every 250–300 engine hours (generators) or every oil change

• Fleetguard Example: LF16035 (6BT), LF14000NN (ISX15)

3. Fuel Filters

• Purpose: Protects injectors and the fuel pump from contaminated diesel

• Common problems: Water, rust, or dirt in the fuel causes injector failure

• When to replace: Every 10,000 km or 150–200 engine hours

• Fleetguard Example: FS19594, FS53000

Why Use Fleetguard Filters?

Fleetguard is the original filtration brand from Cummins, engineered to match the performance demands of diesel systems. Benefits include:

• Better filtration media (NanoNet technology)

• Longer service intervals

• High-pressure and temperature durability

• Local and international part number traceability

Fake filters may fit, but they clog early, let debris through, and can destroy expensive parts like turbos and injectors.

Filter Maintenance Tips for Nigeria

• Replace more often during the harmattan season or dusty rural work

• Never clean and reuse air or oil filters unless designed for it

• If you notice black smoke, poor fuel economy, or sluggish power, check your filters first

• For generators, track filter changes based on runtime, not time alone

How to Identify Genuine Cummins or Fleetguard Filters

• Look for the Fleetguard hologram on the box

• Check part numbers using QuickServe Online or through your supplier

• Avoid “no-name” brands claiming to be compatible

Availability of Cummins Filters in Nigeria

We supply and deliver:

• Air filters, oil filters, fuel/water separators

• For engines like 4BT, 6BT, ISX15, ISB 6.7, QSB6.7, and more

• Fleetguard parts are in stock in Lagos and shipped to Abuja, Port Harcourt, Kano, Onitsha, Ibadan, and beyond

Need help finding the right filter for your engine or generator? Let us know the engine model or filter part number, and we’ll get you sorted.

📦 Available Fleetguard Filter Codes (Examples)

📞 Need Filters or Have Questions?

We help fleet managers, generator owners, and technicians get the right filter, fast, with local knowledge and verified parts.

👉 Contact us today to check availability or request a quote for Cummins filters in Nigeria.