Best oil for high mileage 4.3 vortec

Q: What oil is recommended on 4.3 Vortec?

The 4.3-liter V6 engine on this years Silverado uses SAE 5W-30 viscosity grade motor oil.

Features and Benefits

Mobil 1 High Mileage full-synthetic motor oil is designed for engines with over 75,000 miles to go up to 10,000 miles between oil changes.*

Table of Contents Show

Features and Benefits
Applications
Specifications and Approvals
Properties and Specifications
Health and Safety
What oil is recommended on 4.3 Vortec?
What brand of oil does GM recommend?
How many miles is a 4.3 Vortec good for?
How much oil do I need for a 4.3 Vortec?

Utilizes Mobil 1's signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness

Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy

Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)

Helps extend engine life by working to prevent damaging deposits and sludge buildup

Applications

Mobil 1™ High Mileage motor oils are designed for engines with over 75,000 miles and are recommended for all types of modern gasoline-powered vehicles, including high-performance turbocharged, supercharged, multi-valve fuel injected engines found in passenger cars, SUVs, light vans and light trucks.

• Mobil 1 High Mileage is not recommended for 2-Cycle or aviation engines, unless specifically approved by the manufacturer.

Always check your owner's manual for the manufacturer's recommended oil viscosity grade, API service classification and any builder approval.

*Protects for up to 10,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US.

**Based on Seq IIIH vs industry limits.

*** Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO full-synthetic/ 52 weeks ending April 2, 2022

Specifications and Approvals

This product is recommended for use in applications requiring:	0W-20	5W-20	5W-30	10W-30	10W-40
Ford WSS-M2C945-A		X
FORD WSS-M2C945-B1		X
Ford WSS-M2C946-A			X
Ford WSS-M2C946-B1			X
Ford WSS-M2C947-A	X
Ford WSS-M2C947-B1	X
GM 6094M		X		X

This product meets or exceeds the requirements of:	0W-20	5W-20	5W-30	10W-30	10W-40
API SJ	X	X	X
API SL	X	X	X
API SM	X	X	X
API SN	X	X	X	X	X
API SN PLUS	X	X	X	X	X
API SP	X	X	X	X	X
API SP Resource Conserving	X	X	X	X
ILSAC GF-6A	X	X	X	X
CHRYSLER MS-13340			X
Chrysler MS-6395	X	X	X
FORD WSS-M2C960-A1		X
FORD WSS-M2C961-A1			X
FORD WSS-M2C962-A1	X

Properties and Specifications

Property	0W-20	5W-20	5W-30	10W-30	10W-40
Grade	SAE 0W-20	SAE 5W-20	SAE 5W-30	SAE 10W-30	SAE 10W-40
Density @ 15.6 C, g/ml, ASTM D4052	0.85	0.85	0.8504	0.8553	0.8568
Flash Point, Cleveland Open Cup, °C, ASTM D92	222	228	235	228	239
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445	8.4	8.12	58	10.1	12.6
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445	45	44.3	10.1	62	83
Pour Point, °C, ASTM D97	-45	-42	-45	-42	-42

Health and Safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @ http://www.msds.exxonmobil.com/psims/psims.aspx

What oil is recommended on 4.3 Vortec?

The 4.3-liter V6 engine on this year's Silverado uses SAE 5W-30 viscosity grade motor oil.

Dexos is a synthetic oil developed by GM that is recommended for all 2011 and newer GM vehicles.

How many miles is a 4.3 Vortec good for?

Overall, the 4.3 vortec is a very strong and reliable motor, proven by it being the longest lasting production vortec engine. Generally, these engines are extremely capable of lasting up to 300,000 miles.

How much oil do I need for a 4.3 Vortec?

Engine Oil Capacity: With filter 4.5 quarts.

oil high mileage vortec

Best oil for high mileage 4.3 vortec

Features and Benefits

Applications

Specifications and Approvals

Properties and Specifications