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USD 32.66
Part #: RP04154

Royal Purple 15W-40 Duralec Super Synthetic Engine Oil 04154

For All Diesel Engines - 1 Gallon Bottle
Part #: RP04154
★★★★★ ★★★★★ 5 Reviews
$32.66
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Description

Get a an API CK-4 engine oil when you purchase Royal Purple 15W-40 Duralec Super Synthetic Engine Oil 04154. The specially created formula found in Duralec Super motor oil delivers incredibly resistance to high temperatures and low temperature pumpability. Specifically formulated to maximize component life, Duralec Super motor oil extends drain intervals and improve fuel performance. 

High performance engine oil, Royal Purple Duralec Super motor oil is created for emission-controlled diesel engines utilizing emissions equipment such as: DPF’s, Catalytic Converters, EGR, and SCR injection. Duralec Super motor oil also provides upgraded rust and corrosion protection, outstanding soot dispersancy and prevention of varnish and sludge formation.

Features:
  • Will Not Harm Seals
  • Keeps Engines Clean
  • Greater Wear Protection
  • Reduces Exhaust Emissions
  • Superior Corrosion Protection
  • Greatly Extends Oil Drain Intervals
  • API-Licensed CK-4 Diesel Motor Oils
Application Notes:
Allow 8,000 to 10,000 miles before use in diesel engines.
Royal Purple's motor oils are API certified and will not void new car warranties.

Specifications

  • MFG. Number 04154
  • Manufacturer Name Royal Purple, Ltd.
  • Shipping Weight 5.00 lb.
  • Shipping Length 5 in.
  • Shipping Width 9 in.
  • Shipping Height 9 in.
  • Fuel Type Diesel
  • UPC 641330431548
  • Warranty Yes
  • Warranty Info Limited
  • Prop 65 WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

Reviews

★★★★★ ★★★★★
4.2/5 Stars out of 5 Reviews
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WilliamW
5
(California) | April 26th, 2020
Haven't needed a chance to do an oil change yet because of the virus thing. I do like Royal Purple oil because it is considered a reference oil...an oil that others aspire to make theirs like.
CUMMINGSPOWER
5
(VERMONT) | June 1st, 2009
I HAVE USED THIS 15W40 IN MY 2004 DODGE WITH THE 24V 325/600 IT WORK VERY NICE OIL IS STILL CLEAN AT 5K AND I ALSO USE THE K&N OIL FILTER I ONLY HAVE 33K ON MY TRUCK BUT I WILL SEE WHAT WE GET IN THE LONG TIME USE I RUN THIS STUFF IN ALL MY TOYSSEA RAY BOAT HONDA DIRT BIKE ZERO TURN MOWER SLED/4STROKE YAMAHA RHINO YAMAHA IF IT HAVE MOTOR OIL I RUN THIS STUFF AND HAVE FOR YEARS NEVER HAD ANY THING BUT GOOD LUCK A+ OIL READ THE WEB SITE AND LOOK AT THE TESTING
-
5
(Ft.Lewis wa) | October 30th, 2010
I first used Royal Purple in my 04 mustang and it made a world of diffrance. Now its the only oil i will use.
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Questions and Answers

Ask XDP a Question about this product (Allow 24-48 hours for reply)

Most Popular Questions

What is the recommended change interval?
View Staff Answer 
Answer

VEHICLES THAT USE DIESEL FUEL:

Royal Purple suggests adhering to manufacturer’s recommended oil change intervals for vehicles under warranty. For vehicles outside the OEM warranty, please see the recommendations below.

Diesel pick-up trucks and passenger cars with an oil capacity of 10 or more quarts:

For vehicles for which OEM warranty is not a concern, drain intervals can be extended up to 15,000 miles (24,000 km) or 12 months, whichever occurs first using Royal Purple SAE 15W-40 or HPS engine oils.

Passenger cars, light trucks and vans:

For vehicles for which OEM warranty is not a concern, drain intervals can be extended up to 12,000 miles (20,000 km) or 12 months, whichever occurs first, using Royal Purple SAE 15W-40. An extended interval of up to 15,000 miles (24,000 km) or 12 months, whichever occurs first, is recommended when using Royal Purple HPS oils.

The extended drain intervals provided above apply primarily to street-driven, mechanically sound vehicles. For guidelines specific to your vehicle, we recommend contacting the Royal Purple Automotive Technical Department.

I have a 2003 Duramax with 100000 miles. Can I use this product?
View Staff Answer 
Answer

Yes. Mileage and/or age is not a factor when used in a mechanically sound engine. In high-mileage applications, we do recommend running a minimum of two short (3,000 mile/5,000Km) intervals before extending the oil drain intervals. This will enable Royal Purple’s high solvency to remove existing deposits gradually; such deposits can restrict oil flow, if excessive, as well as reduce the oil service life significantly.

XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.