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Duramax Oil Capacity in All Unit Discussed!

Have questions about Duramax oil capacity? We have all the answers for you gathered in one place.

Engine oil helps the engine to function properly. To keep your engine fit for a long time, it is essential that you know the engine’s oil capacity to keep it going smoothly.

You need to know the Duramax oil specs if you have a GMC or Chevrolet containing a Duramax engine. Knowing the oil capacity of your vehicle engine will allow you to maintain the amount of oil your engine needs.

Let’s learn about the oil capacity of different Duramax engines, with and without filters, and when you should change them.

Duramax Oil Capacity

Knowing the oil capacity will help you get the maximum benefit from your engine. You have to refill it to its capacity after draining when you change the engine oil.

Duramax has introduced a number of variations of their engine since 2001. Although most of their engines share the same oil capacity, there are some exceptions.

Again, the oil capacity varies with the filter attached.

The following chart shows the oil capacity of different Duramax engines with and without the filter.

Duramax Engines ModelOil Capacity without FilterOil Capacity with Filter
LB79.2 quarts10 quarts
LLY9.2 quarts10 quarts
LBZ9.2 quarts10 quarts
LLM9.2 quarts10 quarts
LGH9.2 quarts10 quarts
LML9.2 quarts10 quarts
L5P9.2 quarts10 quarts
LM26.4 quarts7 quarts
XLD285.5 quarts6 quarts
LWN5.5 quarts6 quarts
XLD254.4 quarts4.8 quarts

The oil capacity significantly increases with the addition of the filter.

The models LB7, LLY, and LBZ come with a standard 9.2 quarts oil capacity. The capacity reaches 10 quarts when you add the filter. Duramax oil capacity LML engine is also the same as its predecessors, and L5P follows.

Duramax Oil Capacity in Liters

This will make things a bit easier for you if you are not used to measuring in quarts. We have converted all the Duramax engine oil capacity in liters for your convenience.

LB7, LLY, LBZ, LLM, LGH, LML, L5P has the same oil capacity, which is 8.71 liters when the filter is not enjoined. However, with the filter, the oil capacity will be 9.47 liters.

2020 Duramax oil capacity varies with the engine model. L5P, LM2, LWN, XLD28, and XLD25 are among the available engines in these years. LM2 holds 6.06 liters of oil without the filter. While both XLD28 and LWN hold 5.21 liters. However, LM2 can contain 6.63 liters of oil with a filter when the amount is 5.68 liters for XLD28 and LWN.

XLD25 has 4.17 liters of oil capacity, and the filter addition increases the capacity to 4.55 liters.

Duramax Oil Capacity in Gallons

If we speak of the oil capacity in terms of gallons, all the Duramax engines from 2001 to 2010 had 2.3 gallons of oil capacity. The models that were produced during this time are LB7, LLY, LBZ, LLM, and LGH. The oil capacity of these engines can be 2.5 gallons with the filter.

As various models were available, there are different 2015 Duramax oil capacity in the engines. This year includes the models LGH, LML, LWN, XLD25, and XLD28. While LGH and LML had the same oil capacity as the previous generation, others differed.

XLD25 has a maximum 1.2 gallons of oil capacity with a filter. For LWN and XLD28, the maximum limit is 1.5 gallons.

The latest LM2 or the 3.0 Duramax oil capacity is 1.6 gallons, increasing to 1.75 gallons with the filter.

Changing Engine Oil in Duramax

As we mentioned earlier, oil is essential for your engine to run properly. So, it is important that you change the oil and take care of the engine in the right manner.

It is suggested that you follow the maintenance schedule of Duramax to change the oil and the oil filter.

According to Duramax, the oil must be changed once the ‘CHANGE ENGINE OIL SOON’ message is displayed. They also encourage the changing of oil at least once a year despite the running miles.

You must change the oil filters every 2 years or 30000 miles.

A Helpful Tutorial You May Need!

Frequently Asked Questions (FAQs)

What oil does the 3.0 Duramax take?

It is important to use appropriate oil for your engine. If your vehicle contains a 3.0 Duramax engine, SAE 0W-20 DexosD diesel engine oil is the right choice for you.

How many gallons of oil does a 6.6 Duramax take?

The amount may vary depending on the filter. With filter, 6.6 Duramax takes 2.5 gallons of oil. While without a filter, it takes up only 2.3 gallons of oil.

How much oil does a 2500 Duramax take?

A 2500 Duramax takes 10 quarts of oil when you refill. However, without a filter, it will be 9.2 quarts.

How much oil does a 2500hd 6.6 take?

A Silverado 2500 HD 6.6L pickup takes a maximum of 10 quarts of oil (with filter). 10 quarts is equivalent to 9.47 liters and 2.5 gallons.

Wrap Up

Being Aware of the oil capacity of your vehicle is a must. When you change and refill the engine oil, the oil level must meet its capacity. Otherwise, there is a huge chance of your engine malfunctioning.

Although the main job of the engine oil is to lubricate the engine parts, it also performs a few other tasks. The engine oil supports the engine to keep going without being stuck. It also keeps the engine cool to a certain level. The engine oil is needed for the parts to work accurately.

So, it’s important to work accordingly when the oil needs to be changed. That way, you will be taking care of your Duramax engine and nurturing Duramax oil capacity to serve you for a longer period.

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Ronald Berit

Our chief editor, working 24/7 to ensure the precise and only quality data regarding different trucks.He is mastered with the ins and outs of cargo to off-road trucks of Dodge, Ford, Chevy, Toyota, GMC and more. This truck geek graduatedwitha Bachelor of automobile engineeringdegree and practiced through his own automotive parts repair center.

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