Do I need to use a Royal Purple filter to get the best performance of this oil or will any filter do?

I use fram filters. In the vehicles that I need to be very reliable I use the expensive Walmart Fram Filters. In my around town vehicles I use the cheap fram filters. I have had no problem with any of them. You will enjoy the Royal Purple. Just make sure it shows up on the oil dip stick. My Ford F150 used 9 quarts the 1st time. Not the typical 6 quarts. Now it uses a little over 7 quarts.

What is the shelf life of this oil

This oil is synthetic. It will not break down or become contaminated like traditional oils may. That said, only buy what you think you'll use in the next 60 months. If you buy this 5 gallon model, consider how many other vehicles can benefit from it. I have two cars, both of them use 5-20. So for me, this is a no-brainer purchase.

some have dexos some dont, why? mine arrived with no dexos logo

The dexos specification applies to most, but not all, GM vehicles model year 2011 or later. (I) have a nissan, I do NOT use Dexos. I've no idea if Dexos is superior in MY vehicle but since it is NOT specified, I don't use it.

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Royal Purple 51520 API-Licensed SAE 5W-20 High Performance Synthetic Motor Oil - 5 Quart, (Model: ROY51520)

Product ID: 276334833

Details

Brand
Royal Purple
Liquid volume
5 Quarts
Package information
Bottle
SAE J300 Viscosity Grade
5W-20
Vehicle service type
Car

⛽Boosts Fuel Efficiency

⚙️5W-20 SAE Viscosity Grade

🛡️Superior Engine Wear Protection

51.45 OMR

Duties & taxes included

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Description

🛢️ Power your drive with Royal Purple – where performance meets prestige.

SEAMLESS UPGRADE - Compatible with mineral and synthetic oils—no special procedures needed.
TRUSTED PERFORMANCE - API SN licensed, meets ILSAC GF-5 & Dexos1 standards for peak engine health.
EMISSION SYSTEM GUARDIAN - Protects expensive catalytic converters for cleaner, greener drives.
FUEL EFFICIENCY UNLOCKED - Optimized viscosity improves mileage, saving you money at the pump.
ENGINE LONGEVITY ELEVATED - Advanced synthetic formula reduces wear and extends engine life.

Royal Purple 51520 is a premium SAE 5W-20 synthetic motor oil designed for vehicle-specific fit. It combines proprietary additives with high-quality base oils to deliver superior engine wear protection, enhanced fuel efficiency, and improved emission system compatibility. Fully API SN licensed and meeting ILSAC GF-5 and Dexos1 standards, it ensures optimal performance and longevity for gasoline and diesel engines.

Specifications

ASIN	B005SEJTYG
Automotive Fit Type	Vehicle Specific Fit
Brand	Royal Purple
Brand Name	Royal Purple
Compatible with Vehicle Type	Car
Container Type	Bottle
Customer Reviews	4.9 out of 5 stars 2,104 Reviews
Global Trade Identification Number	00641330515200
Included Components	5qts of Royal Purple 5W-20
Item Type Name	High Performance Synthetic Motor Oil
Item Weight	3.63 kg
Liquid Volume	5 Quarts
Liquid volume	5 Quarts
Manufacturer	Royal Purple
Manufacturer Part Number	51520
Model Number	ROY51520
Number of Packs	1
Package information	Bottle
SAE J300 Viscosity Grade	5W-20
Size	5 Quart (160 Ounces)(Pack of 1)
UPC	641330515200
Unit Count	160 Fluid Ounces
Vehicle service type	Car
Viscosity Level	Low to Medium

Reviews

A**R

Five Stars

Best oil out there hands down

3.08.2017

A**J

Royal Purple love

Noticed a difference just in engine noise, acceleration and gas mileage. Can't say enough positive thing about Royal Purple. Love it.

18.04.2020

C**I

Happy, Happy

I purchased used 2018 Ford Escape 2.5L(Not turbo), Noticed horrible transmission rough shift up to 40mile. Improved shifting by changing transmission oil 3 times , but still rough shifting was there. I decided to replace Mortorcraft oil(was new oil) with Royal purple oil 5W-20 also added Hot shots Secret oil additive, Improved power and smoothness by instantly after replaced, also, Transmission rough shifting problems are 100% fixed. I am first time user of Royal purple oil and very happy changing to Royal purple. Drove few days later on freeway, seems to be getting much better gas milage.

27.08.2026

H**A

Cuidado profesional

De lo mejor. Un poco raro que sea morado pues se confunde con usado pero eso es solo estetico

3.03.2026

K**S

Muy bueno

Buen producto, tiene el motor impecable

29.08.2026

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