For the 2023 Chevrolet Silverado 1500 equipped with the 3.0L 6-cylinder LZ0 Diesel Turbo engine, the required oil viscosity is 0W-20. The engine oil capacity is 7 quarts when performing a change with a new filter. AMSOIL recommends using AMSOIL 0W-20 100% Synthetic Diesel Oil (DP020QT-EA) paired with a WIX Oil Filter (WL10351-EA) for optimal protection.
What oil does a 2023 Chevrolet Silverado 1500 3.0L LZ0 take?
The 2023 Chevrolet Silverado 1500 with the 3.0L 6-cylinder LZ0 Diesel Turbo engine requires an oil viscosity of 0W-20 for all temperatures. The AMSOIL lookup oil grade is SEOA5. Additionally, the vehicle may use a GM Dexos D licensed engine oil of the appropriate viscosity grade if it originally used GM Dexos2.
AMSOIL product recommendations
Based on the AMSOIL lookup data, the following products are recommended for your 2023 Chevrolet Silverado 1500 3.0L LZ0 Diesel engine maintenance.
Engine Oil & Filter
| Product Name | Part Code |
|---|---|
| AMSOIL 0W-20 100% Synthetic Diesel Oil | DP020QT-EA |
| WIX Oil Filter | WL10351-EA |
Coolant & Antifreeze
| Product Name | Part Code |
|---|---|
| AMSOIL Passenger Car & Light Truck Antifreeze & Coolant | ANTPC1G-EA |
| AMSOIL Propylene Glycol Antifreeze and Engine Coolant | ANT1G-EA |
Automatic Transmission Fluid
| Product Name | Part Code |
|---|---|
| AMSOIL Signature Series ULV 100% Synthetic ATF | ULVPK-EA |
Transfer Case Lubricant
| Product Name | Part Code |
|---|---|
| AMSOIL Signature Series Fuel-Efficient 100% Synthetic ATF | ATLPK-EA |
| AMSOIL OE Fuel-Efficient 100% Synthetic ATF | OTLQT-EA |
Engine Oil Specifications
| Viscosity | Oil Grade (AMSOIL Lookup) |
|---|---|
| 0W-20 | SEOA5 |
Engine Oil Capacity
| Condition | Capacity |
|---|---|
| With Filter Change | 7 quarts |
Note: After refill, always check the oil level.
Engine Oil Details and Torque Specs
When performing an oil change on the LZ0 diesel engine, ensure you follow the correct torque specifications to prevent leaks or damage to the components.
| Component | Torque Specification |
|---|---|
| Oil Drain Plug | 18 ft/lbs |
Maintenance Note: Always replace the drain plug seal when changing the oil.
Automatic Transmission Fluid Specifications
The 2023 Silverado 1500 uses specific transmission requirements for the 10-speed models (10L80/MQC and 10L80/MQB). The AMSOIL lookup note references the WSS-M2C949-A specification, which was developed by Ford and GM; products meeting this are available under DEXRON ULV and MERCON ULV tradenames.
Transmission Capacity (10L80/MQC)
| Fill Type | Capacity |
|---|---|
| With Cooler (Total Fill) | 12 quarts |
| Trans Only (Total Fill) | 11.6 quarts |
| Initial Fill | 8.1 quarts |
Transmission Capacity (10L80/MQB)
| Fill Type | Capacity |
|---|---|
| With Cooler (Total Fill) | 12 quarts |
| Trans Only (Total Fill) | 11.6 quarts |
Transfer Case Maintenance
For vehicles with the MP3015 or 25 transfer case, specific capacities and torque values must be observed during service.
| Component | Torque / Capacity |
|---|---|
| Transfer Case Drain Plug | 15 ft/lbs |
| Transfer Case Fill Plug | 15 ft/lbs |
| Capacity (MP3015, 25) | 3.2 pints |
Maintenance Note: Apply high-performance thread sealant to the threads of both the drain and fill plugs before installing.
Coolant Specifications
Maintaining the cooling system is vital for diesel engine longevity. The capacities vary between the engine and the charge air cooling system.
| System | Capacity |
|---|---|
| Engine | 13.8 quarts |
| Charge Air Cooling System | 5.6 quarts |
Diesel maintenance notes for this vehicle
Based on the technical context of the 3.0L LZ0 Duramax engine, owners should prioritize several key areas:
- Soot Management: Adhere to strict oil change schedules to mitigate soot buildup common in diesel engines.
- Fuel System Care: Ensure clean fuel delivery to prevent injector wear and monitor the health of the glow plug system.
- Emissions Maintenance: Diesel Exhaust Fluid (DEF) management is a critical component of modern diesel maintenance.
- Turbocharger Protection: High-quality oil selection is essential to protect the turbocharger and emissions components.
Common diesel oil-related concerns and how AMSOIL products may help
Modern diesel engines face unique stresses. The following table outlines common concerns and how specific AMSOIL products can support engine health.
| Concern | Why it matters | AMSOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Wear Protection | Diesel engines face high pressure and friction. | DP020QT-EA | Delivers up to 6X more wear protection than leading industry standards in specific tests. | Requires regular oil changes. |
| Temperature Extremes | Cold starts and high heat can degrade oil. | DP020QT-EA | Excels in both hot and cold temperature extremes. | Not a substitute for proper cooling system maintenance. |
| Heavy Towing Stress | Towing increases transmission heat. | ULVPK-EA | Withstands the rigors of heavy towing and elevated temperatures. | Diagnosis required for existing mechanical failure. |
Recall, TSB, and manufacturer communication notes
The following information is based on NHTSA research data. Owners should always verify current recalls by VIN through an authorized dealer.
NHTSA Recall Summary
- Lighting Control Module: A recall (Campaign 22V903000) was issued because daytime running lights (DRLs) may not deactivate when headlights are on, potentially causing glare.
- Brake Fluid Warning: A recall (Campaign 24V674000) involves the electronic brake control module software failing to display a warning light during a loss of brake fluid.
NHTSA Complaint Patterns
NHTSA reports indicate several owner complaints regarding this model year, most commonly involving:
- Engine and Power Train: The highest number of reported issues relate to engine components.
- Infotainment/Electrical: Some owners have reported failures in the infotainment system following software updates.
Note: NHTSA complaints are owner reports and should not be treated as verified defects.
About this vehicle
The 2023 Chevrolet Silverado 1500 represents the fourth generation of Chevrolet’s full-size pickup truck lineage. This specific model features the 3.0L 6-cylinder LZ0 Diesel Turbo engine, which is part of the GM Duramax family. This powertrain is engineered for high efficiency and significant torque, making it a preferred choice for owners who require towing capability or improved fuel economy compared to traditional gasoline V8 engines.
Because this is a modern diesel implementation, maintenance focus typically shifts toward specialized requirements such as Diesel Exhaust Fluid (DEF) management, fuel filtration, and high-quality oil selection to protect the turbocharger and emissions components. Owners of the LZ0 configuration should prioritize research into diesel-specific service intervals and monitor the health of the glow plug system and fuel delivery systems.
It is important to note that while this Silverado shares mechanical commonality with its GMC Sierra counterpart, owners must ensure they are sourcing parts specifically for the ICE-powered diesel variant rather than electric versions. As with all modern high-tech vehicles, software updates (via OTA or dealer) are a standard part of the vehicle’s lifecycle and may address critical safety functions like lighting or braking systems.
Common questions about this vehicle’s diesel oil and maintenance
What is the oil capacity for my 3.0L LZ0 Diesel?
The engine requires 7 quarts of oil when performing a change that includes a new filter. Always check the level after refilling.
What viscosity should I use for the 2023 Silverado diesel?
The recommended viscosity is 0W-20 for all temperature ranges. AMSOIL lists DP020QT-EA for this application.
How much transmission fluid does the 10-speed transmission take?
For the 10L80/MQC models, a total fill with a cooler is 12 quarts. For the 10L80/MQB models, the total fill with a cooler is also 12 quarts.
What torque spec is needed for the oil drain plug?
The oil drain plug should be torqued to 18 ft/lbs. Remember to replace the drain plug seal during service.
Does my diesel need special coolant?
Yes, the engine requires specific coolant management. The capacity is 13.8 quarts for the engine and 5.6 quarts for the charge air cooling system. AMSOIL offers both pre-mixed and concentrated options like ANTPC1G-EA.
How can I check for active recalls on my Silverado?
You should verify open recalls by VIN through an authorized Chevrolet dealer or by visiting the official NHTSA website to ensure all safety updates, such as those for lighting or braking software, have been completed.
Disclaimer: Information provided is based on available source data. Always consult your owner’s manual or a certified mechanic before performing maintenance.