CarPartSizes

Car part size lookup
by year, make, and model.

Checked oil specs by engine

2015 Chevrolet Silverado 3500 HD oil capacity, type & filter

The 2015 Chevrolet Silverado 3500 HD takes 6 qt of 5W-30 (6.0L V8) and 10 qt of 5W-40 (6.6L V8 Diesel) and 6 qt of 5W-30 (4.3L V6) and 8 qt of 0W-20 (5.3L V8) and 8.5 qt of 0W-20 (6.2L V8). Select your engine below before buying.

2015 Chevrolet Silverado 3500 HD oil specs by engine
Engine Capacity Oil Type Filter
6.0L V8 6 qt 5W-30 —
6.6L V8 Diesel 10 qt 5W-40 —
4.3L V6 6 qt 5W-30 —
5.3L V8 8 qt 0W-20 —
6.2L V8 8.5 qt 0W-20 —

Match one of 5 checked engine options before buying oil or a filter. Also check 2015 Chevrolet Silverado 3500 .

6.0L V8
Capacity 6 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 6 qt total; listed capacity is 6 qt.
Oil type 5W-30 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
6.6L V8 Diesel
Capacity 10 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 10 qt total; listed capacity is 10 qt.
Oil type 5W-40 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
4.3L V6
Capacity 6 qt i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 5W-30 i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: additional evidence. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
5.3L V8
Capacity 8 qt i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 0W-20 i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: additional evidence. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
6.2L V8
Capacity 8.5 qt i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 0W-20 i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: additional evidence. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.

3 sources checked Last checked: 2026-06-27 How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →
Full synthetic options for 5W-30
Mobil 1 Extended Performance 5W-30 → Castrol Edge 5W-30 → Pennzoil Platinum 5W-30 →

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

Full synthetic options for 5W-40
Mobil 1 ESP Formula 5W-40 → Castrol Edge 5W-40 → Liqui Moly Top Tec 4200 5W-40 →

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

Full synthetic options for 0W-20
Mobil 1 Extended Performance 0W-20 → Castrol Edge 0W-20 → Pennzoil Platinum 0W-20 →

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

2015 Chevrolet Silverado 3500 HD 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 status

Filter fitment has not been fully verified for every engine listed. Confirm the part number with the retailer before ordering.

Verify before checkout

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

Source coverage for the 2015 Chevrolet Silverado 3500 HD

Capacity sources

Supported by Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager).

Oil type sources

Supported by Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager).

Filter sources

Filter support not listed on this page.

Source coverage

3 checked source rows for the 2015 Chevrolet Silverado 3500 HD.

Before ordering for this 2015 Chevrolet Silverado 3500 HD

Checkout verification checklist
6.0L V8 Verified fit Buy →
Capacity
6 qt
Oil type
5W-30
Filter
Unverified
6.6L V8 Diesel Verified fit Buy →
Capacity
10 qt
Oil type
5W-40
Filter
Unverified
4.3L V6 Buy →
Capacity
6 qt
Oil type
5W-30
Filter
Unverified
5.3L V8 Buy →
Capacity
8 qt
Oil type
0W-20
Filter
Unverified
6.2L V8 Buy →
Capacity
8.5 qt
Oil type
0W-20
Filter
Unverified

Source check: Last checked 2026-06-27 from Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager).

Chevrolet Silverado 3500 HD oil specs by year

This table includes checked Chevrolet Silverado 3500 HD model years available in our database.

Year Capacity Oil type Filter
2019 10 qt (multiple engines) 5W-40 Purolator L35399
2018 6 qt (multiple engines) 5W-30 Purolator L12222
2017 6 qt (multiple engines) 5W-30 Purolator L12222
2016 6 qt (multiple engines) 5W-30 Purolator L12222
2015 Current page 6 qt (multiple engines) 5W-30 Unverified
2014 6 qt (multiple engines) 5W-30 Unverified
2013 6 qt (multiple engines) 5W-30 Purolator L12222
2012 6 qt (multiple engines) 5W-30 Unverified
2011 6 qt (multiple engines) 5W-30 Unverified
2010 6 qt (multiple engines) 5W-30 Unverified
2009 6 qt (multiple engines) 5W-30 Unverified
2008 6 qt (multiple engines) 5W-30 Unverified
2007 6 qt (multiple engines) 5W-30 Purolator L12222

How we verified 2015 Chevrolet Silverado 3500 HD oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-27.

This page checked 3 sources for the 2015 Chevrolet Silverado 3500 HD. 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: 4.3L V6 capacity, 4.3L V6 oil type, 5.3L V8 capacity, 5.3L V8 oil type, 6.2L V8 capacity, and 6.2L V8 oil type. 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
3
Last checked
2026-06-27
Field-level source support
  • Capacity: Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager)
  • Oil type: Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager)
  • Filter: Support not listed on this page
Source Supports Checked Link
Pennzoil OATS Capacity, Oil type 2026-06-27 Visit brand site
Valvoline Product Finder Capacity, Oil type 2026-06-27 Checked source
Castrol (Olyslager) Capacity, Oil type 2026-06-27 Visit brand site

2015 Chevrolet Silverado 3500 HD 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 2015 Chevrolet Silverado 3500 HD 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 2015 Chevrolet Silverado 3500 HD?

Use the oil-life monitor or the interval in your owner's manual for this engine. Severe service can 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.

2015 Chevrolet Silverado 3500 HD 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.

Look up another vehicle

Find checked oil capacity, type, and filter data by exact year, make, and model.

Other 2015 Chevrolet Silverado 3500 HD lookups: Cabin air filter · Engine air filter · Wiper blade size