ACDelco dexosD 0W-20 Diesel Oil & PF66A Filter Kit — 3.0L Duramax, 7 qt Full Synthetic & OEM Filter

This maintenance kit supplies the specific oil grade and factory-style filter recommended for modern GM light-duty Duramax diesel engines. The components are matched to the dexosD specification and the PF66A filter footprint used on a range of 3.0L Duramax-equipped trucks and SUVs, giving you a straightforward way to complete a routine oil change with parts designed for these applications.

What exactly is included and why does it matter?

The kit contains seven quarts of ACDelco 10-9277 dexosD SAE 0W-20 full synthetic diesel engine oil and one ACDelco PF66A oil filter (GM# 19458926). Having the correct quantity and the OEM-style filter on hand eliminates guesswork during maintenance and helps ensure proper oil capacity and filtration.

• 7 quarts of dexosD SAE 0W-20 full synthetic diesel oil (ACDelco part 10-9277)
• 1 ACDelco PF66A oil filter (GM part 19458926)
• Oil meets GM dexosD specification for light-duty diesel applications
• Filter matches OEM dimensions and filtration requirements

How does this oil and filter support engine longevity?

The full synthetic 0W-20 formulation is designed for modern diesel combustion and provides resistance to oxidation, deposits, and sludge formation under typical service conditions. The PF66A filter traps contaminants and helps maintain steady oil flow, which together reduce wear on internal components.

• Low-viscosity formula for quick circulation at cold start
• Oxidation and deposit resistance for prolonged oil life
• OEM-style filtration to capture particulates and protect engine parts
• Compatible with GM-recommended service intervals when used as specified

Will this kit fit my vehicle and how do I confirm compatibility?

This kit is engineered for GM 3.0L Duramax LM2 and LZ0 engines installed in a range of Chevrolet, GMC, and Cadillac models from 2020 onward. Always check your vehicle’s owner’s manual or parts diagram to verify oil capacity and the correct filter part number before starting a service.

• Confirmed fitment: 2020–2026 Silverado/Sierra 1500 with 3.0L Duramax
• Also fits 2021–2026 Tahoe, Suburban, Yukon/Yukon XL, Escalade/ESV with 3.0L Duramax
• Verify engine code (LM2 or LZ0) and oil capacity in the owner’s manual
• Professional installation recommended if you’re unsure

How should I use this kit for a proper oil change?

Drain the old oil, replace the drain plug and gasket as needed, remove the old filter, install the PF66A filter with a light oil coat on the gasket, then refill with the seven quarts of 0W-20 oil while confirming capacity. Dispose of used oil and filter responsibly at a recycling center.

• Warm engine briefly, then drain oil completely
• Replace filter with PF66A and torque to manufacturer spec
• Refill with recommended oil volume and check level after warm-up
• Record service date and mileage for maintenance tracking

Who is this for? This ACDelco service kit is aimed at owners and technicians who maintain GM 3.0L Duramax diesel vehicles and prefer OEM-quality parts matched to manufacturer specifications. It’s a convenient option for fleet managers, DIY enthusiasts familiar with diesel service procedures, and professional shops looking to supply the correct oil and filter for routine maintenance. Always cross-check your vehicle’s manual for exact capacities and service intervals before use.