Checked oil specs by engine

2005 Dodge Ram 3500 oil capacity, type & filter

The 2005 Dodge Ram 3500 takes 7 qt of 5W-20 (5.7L 8-Cyl) and 12.1 qt of 15W-40 (5.9L 6-Cyl Turbo Diesel). Select your engine below before buying.

2005 Dodge Ram 3500 oil specs by engine
Engine Capacity Oil Type Filter
5.7L 8-Cyl 7 qt 5W-20 WIX 51085
5.9L 6-Cyl Turbo Diesel 12.1 qt 15W-40 AMSOIL EA15K01

Match one of 2 checked engine options before buying oil or a filter.

5.7L 8-Cyl
Capacity 7 qt i Capacity condition is not listed in the checked data, so confirm whether the service-fill amount includes a new filter before adding oil. See how we verify. Learn how we verify fitment Verified fit Buy at least 7 qt total; listed capacity is 7 qt.
Oil type 5W-20 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
WIX Shown first 51085 Search 51085 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 Purolator L14670 Search L14670

WIX 51085 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

5.9L 6-Cyl Turbo Diesel
Capacity 12.1 qt i Capacity condition is not listed in the checked data, so confirm whether the service-fill amount includes a new filter before adding oil. See how we verify. Learn how we verify fitment Verified fit Buy at least 13 qt total; listed capacity is 12.1 qt.
Oil type 15W-40 Above -18°C OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters
AMSOIL Shown first EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 AMSOIL EA15K04 Search EA15K04

AMSOIL EA15K01 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

i Based on 1 checked source: AMSOIL Lookup. Additional cross-check is still pending: another filter catalog cross-check. Use it as a reference, then confirm the exact filter part number at checkout. See how we verify. Learn how we verify fitment

4 sources checked Last checked: 2026-06-26 How we verify →

Full synthetic options for 5W-20

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

2005 Dodge Ram 3500 oil specs: capacity conditions and filter notes

Which engine applies?

Check the door jamb sticker, owner's manual, or displacement badge on the engine cover. Match it to the engine options listed above before buying oil or a filter.

Filter part numbers

All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.

Verify before checkout

Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.

Source coverage for the 2005 Dodge Ram 3500

Capacity sources

Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).

Oil type sources

Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).

Filter sources

Supported by Purolator Part Finder and AMSOIL Lookup.

Source coverage

4 checked source rows for the 2005 Dodge Ram 3500.

Before ordering for this 2005 Dodge Ram 3500

Checkout verification checklist
5.7L 8-Cyl Verified fit Buy →
Capacity
7 qt
Oil type
5W-20
Interval
6,200 mi / 6 mo
Filter
WIX 51085
5.9L 6-Cyl Turbo Diesel Verified fit Buy →
Capacity
12.1 qt
Oil type
15W-40 (Above -18°C)
Interval
15,000 mi / 12 mo
Filter
AMSOIL EA15K01

Source check: Last checked 2026-06-26 from AMSOIL Lookup, Pennzoil OATS, Purolator Part Finder, and Castrol (Olyslager).

Dodge Ram 3500 oil specs by year

This table includes checked Dodge Ram 3500 model years available in our database.

Year Capacity Oil type Filter
2010 12 qt (multiple engines) 15W-40 AMSOIL EA15K01
2009 7 qt (multiple engines) 5W-20 AMSOIL EA15K01
2008 7 qt (multiple engines) 5W-20 AMSOIL EA15K01
2007 7 qt (multiple engines) 5W-20 WIX 51085
2006 7 qt (multiple engines) 5W-20 WIX 51085
2005 Current page 7 qt (multiple engines) 5W-20 WIX 51085

How we verified 2005 Dodge Ram 3500 oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-26.

This page checked 4 sources for the 2005 Dodge Ram 3500. The table lists which checked source contributed capacity, oil type, or filter evidence.

We checked leading oil brands and aftermarket filter catalogs so you don't have to.

Confidence
Cross-check pending i Some oil fields are based on checked source data but still need stronger cross-check evidence. Review area: 5.9L 6-Cyl Turbo Diesel oil filter. Use the listed values as references and confirm the exact engine before ordering or adding oil. See how we verify. Learn how we verify fitment
Sources checked
4
Last checked
2026-06-26
Field-level source support
  • Capacity: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
  • Oil type: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
  • Filter: Purolator Part Finder and AMSOIL Lookup
  • Change interval: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
Source Supports Checked Link
AMSOIL Lookup Capacity, Oil type, Filter 2026-06-26 Visit brand site
Pennzoil OATS Capacity, Oil type 2026-06-26 Visit brand site
Purolator Part Finder Filter 2026-06-26 Visit brand site
Castrol (Olyslager) Capacity, Oil type 2026-06-26 Visit brand site

2005 Dodge Ram 3500 oil FAQ

Which engine configuration applies to my vehicle?

Use the door jamb sticker, owner's manual, or engine cover badge to identify your engine, then match it to the engine options listed above.

Is the oil capacity measured with or without the filter?

Capacity condition matters. With filter includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.

Why should I confirm before buying?

Retailer catalogs can update separately. Confirm the exact 2005 Dodge Ram 3500 selector at checkout before you buy.

Do I also need to match the OEM oil approval?

Yes. Viscosity is only one part of the oil spec. Match the oil approval listed in your owner's manual or on the bottle before checkout.

How often should I change the oil on a 2005 Dodge Ram 3500?

Change intervals vary by engine option for this vehicle. Always follow your owner's manual and oil-life monitor. Severe service may require a shorter interval.

Do I need a new drain plug gasket?

Replace it when your vehicle uses a serviceable gasket or crush washer. Confirm the gasket size and drain plug torque from the service manual or parts counter.

2005 Dodge Ram 3500 maintenance checklist

One part checked. Look up the rest while you're here.

Where to buy

These are retailer search paths for your vehicle. The specs above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.

This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.

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