Best Motor Oil For Older Engines - April 2024

Castrol 03102 GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quart

As vehicles age, they change and some of these changes can result in costly repairs or replacement. Catalytic converter failure is one of the most common – and costliest – problems faced by higher mileage vehicles. The phosphorus in all motor oil anti-wear packages is also an industry recognized catalyst poison. Castrol GTX High Mileage is specially formulated with less phosphorus than other leading oils, replacing it with advanced technology invented and patented by Castrol that helps prevent catalytic converter and emission system failure and delivers unsurpassed protection against slud... [Read More]

• ASIN: B00GSQ8MSC
• UPC: 079191231029
• ASIN: B00GSQ8MSC
• Brand: Castrol
• Size: 5 Quart
• Manufacturer: Castrol

Lucas Oil 10684 20W-50 Petroleum Oil - 5 Quart Jug

Lucas Hot Rod & Classic Car Motor Oil SAE 20W-50 is manufactured with the highest quality paraffinic base oils and is fortified with a unique additive package containing high levels of zinc, molybdenum and phosphorus, which provides a tougher, thicker additive film for maximum protection even under the most severe conditions. It lowers oil temperatures, extends oil life and minimizes metal fatigue. It improves the film strength between the cylinder wall and piston rings and slows oil burning and improves pressure in worn engines. It has good cold temperature properties and stands up to high op... [Read More]

• ASIN: B009M64D8I
• UPC: 049807106843
• ASIN: B009M64D8I
• Brand: Lucas Oil
• Size: 5 Quart
• Manufacturer: Lucas Oil

Competition Cams 159 Engine Break-In Oil Additive, 12 oz. Bottle

Due to current government regulations, today’s oils are missing many of the critical ingredients needed for engine protection. Engine builders and performance hobbyists are being forced to add in extra protection additives in order to maintain engine safety and performance – but not anymore. ZDDP-enhanced Engine Break-In Oil from COMP Cams provides maximum engine life while also allowing it to reach its full performance potential. It does so by improving the surface mating of valve train components (especially flat tappets), rotating assembly, rod journals, piston rings, valve guides and o... [Read More]

• ASIN: B000CIO86M
• UPC: 036584021650
• ASIN: B000CIO86M
• Brand: Comp Cams
• Manufacturer: COMP Cams

Valvoline High Mileage with MaxLife Technology 5W-20 Synthetic Blend Motor Oil - 5qt (782253)

Valvoline MaxLife is the first motor oil specially formulated to address the unique needs of higher mileage engines. Valvoline MaxLife is a blend of synthetic and premium conventional basestocks with seal conditioning agents, extra cleaning agents, additional anti-wear additives and novel friction modifiers for added protection. MaxLife provides performance benefits for high mileage, new and re-built engines. If you have over 75,000 miles, it’s time to step up the fight against engine breakdown. Switch to MaxLife Motor Oil, the synthetic blend with more!

• ASIN: B00GZKC36I
• UPC: 074130747876
• ASIN: B00GZKC36I
• Brand: Valvoline
• Size: 5 Quart
• Manufacturer: Valvoline

Motor Silk Engine Oil Treatment

Motor Silk Engine Treatment protects the vital working parts of your engine from friction, micro pitting, corrosion, and wear, which increases the performance, efficiency and life of your engine. Motor Silk Engine Treatment contains Boron-based components that forms a strong covalent and ionic bond with the metal surface, lifting any existing carbon or varnish and forming a permanent new surface that is super-slippery and super-hard. This new surface is 85% as hard as diamonds and has a friction coefficient under 0.01, far surpassing the most expensive synthetic oils on the market. This perman... [Read More]

• ASIN: B007HRI81M
• UPC: 741977100019
• ASIN: B007HRI81M
• Brand: Motor Silk
• Manufacturer: Advanced Lubrication Technology, Inc.

Pennzoil Platinum High Mileage Full Synthetic 5W-30 Motor Oil for Vehicles Over 75K Miles (5-Quart, Single-Pack)

Pennzoil Platinum full synthetic SAE 5W-30 motor oil is uniquely engineered from our revolutionary PurePlus gas-to-liquid technology, which is a patented process that converts pure natural gas into a high quality, full synthetic base oil. Our high quality base oil is 99.5% pure, contains fewer impurities than base oils made from crude oil, and when combined with our advanced additive technology creates one of the best formulations in our Pennzoil portfolio. Pennzoil Platinum full synthetic SAE 5W-30 motor oil is licensed and meets the vehicle warranty requirements of GM’s dexos 1 Gen 2 speci... [Read More]

• ASIN: B01MF97JE5
• UPC: 071611365536
• ASIN: B01MF97JE5
• Brand: Pennzoil
• Size: 5 Quart
• Manufacturer: Pennzoil

Shell Rotella T4 Triple Protection 15W-40 Diesel Motor Oil (5-Gallon Pail)

Formerly known as Shell Rotella T Triple Protection, Shell Rotella T4 Triple Protection Heavy Duty Diesel Engine Oil is the most technically advanced Shell Rotella formulation ever. This 15W-40 motor oil uses advanced additive technology to protect under the most severe engine conditions found in modern, low-emission engines and older hard-working diesel engines. It effectively sustains emissions control system durability where diesel particulate filters and after-treatment systems are used. Plus, it provides enhanced protection against viscosity loss due to shear and improved oil aeration com... [Read More]

• ASIN: B01LH7L10C
• UPC: 021400402669
• ASIN: B01LH7L10C
• Brand: Shell Rotella T
• Size: 5 Gallon
• Manufacturer: Rotella

Pennzoil 550022838-PK6 5W-30 High Mileage Vehicle Motor Oil - 1 Quart (Pack of 6)

Pennzoil High Mileage Vehicle is a Pennzoil conventional motor oil that has been enhanced with a unique combination of special conditioning agents and additives to help stop leaks from seals and reduce the oil consumption that is typical of older, worn engines. It’s a motor oil that is specifically designed for new or late model vehicles with over 75,000 miles, to help keep the engines running clean and going strong a long time, month after month and year after year.

• ASIN: B004ZR5LM6
• UPC: 071611803519
• ASIN: B004ZR5LM6
• Brand: Pennzoil
• Size: 1 Quart (Pack of 6)
• Manufacturer: Pennzoil

Royal Purple ROY11748 HMX SAE 5W-30 High-Mileage Synthetic Motor Oil - 5 qt.

Royal Purple located in Porter, Texas, produces a wide range of high performance lubricants for nearly every consumer and industrial application. Royal Purple's founder John Williams was a pioneer in the development of high performance synthetic lubricants and collectively, Royal Purple's formulators have more than 200 years of expertise in developing high performance lubricants. Royal Purple focuses exclusively on developing state-of-the-art lubricants. Unlike companies that primarily focus on fuel and other petroleum byproducts, Royal Purple's sole mission is to develop products that signifi... [Read More]

• ASIN: B00G3BRNVY
• UPC: 641330117480
• ASIN: B00G3BRNVY
• Brand: Royal Purple
• Size: 5 Quart, (Single Unit)
• Manufacturer: ROYAL PURPLE

Castrol 03093 GTX 10W-30 Motor Oil, 5 Quart

Castrol GTX is one of the world's most trusted engine oils. It's more than just oil. It's liquid engineering that protects against the problems your engine faces every day. Severe driving conditions can cause the build-up of a thick, tar-like substance called sludge. Sludge can block your engines vital oilways like cholesterol and if untreated, it can rob an engine of power, and ultimately, its life. Castrol GTX Double Action formula cleans away old sludge**, and protects against new sludge formation better than tough industry standards. Help extend the life of your engine with Castrol GTX. **... [Read More]

• ASIN: B00GTORDWY
• UPC: 079191000939
• ASIN: B00GTORDWY
• Brand: Castrol
• Size: 5 Quart
• Manufacturer: Castrol

Evinrude Johnson 779718 E-Tec XD 50 2-Cycle Outboard Motor Oil

XD50 performance enhanced synthetic blend oil that meets the specific demands of direct injection and water cooled 2-cycle Outboard engines that specify TC-W3 certified oils. - contains carbx combustion cleaner to keep carbon in suspension and away from critical components - protects against wear with superior lubricity - reduces smoke for cleaner operation use XD50 in high load and performance applications for greater dependability, reliability, and reduced maintenance. 1 gallon.

• ASIN: B00CV4BDVS
• UPC: 745419346867
• ASIN: B00CV4BDVS
• Brand: Evinrude Johnson
• Size: Gallon
• Manufacturer: Northern Wholesale Supply, Inc (Boating)

Valvoline 782256 Automotive Accessories, 160. Fluid_Ounces

Valvoline MaxLife is the first motor oil specially formulated to address the unique needs of higher mileage engines. Valvoline MaxLife is a blend of synthetic and premium conventional basestocks with seal conditioning agents, extra cleaning agents, additional anti-wear additives and novel friction modifiers for added protection. MaxLife provides performance benefits for high mileage, new and re-built engines. If you have over 75,000 miles, it’s time to step up the fight against engine breakdown. Switch to MaxLife Motor Oil, the synthetic blend with more!

• ASIN: B00AM1Z67O
• UPC: 074130001848
• ASIN: B00AM1Z67O
• Brand: Valvoline
• Size: 5 Quart
• Manufacturer: VALVOLINE

Castrol 03095 GTX 20W-50 Motor Oil, 5 Quart

Castrol GTX is one of the world's most trusted engine oils. It's more than just oil. It's liquid engineering that protects against the problems your engine faces every day. Severe driving conditions can cause the build-up of a thick, tar-like substance called sludge. Sludge can block your engines vital oilways like cholesterol and if untreated, it can rob an engine of power, and ultimately, its life. Castrol GTX Double Action formula cleans away old sludge**, and protects against new sludge formation better than tough industry standards. Help extend the life of your engine with Castrol GTX. **... [Read More]

• ASIN: B00JGQLSH8
• UPC: 079191000953
• ASIN: B00JGQLSH8
• Brand: Castrol
• Size: 5 Quart
• Manufacturer: Castrol

Valvoline 779462 Automotive Accessories, 160. Fluid_Ounces

Valvoline MaxLife is the first motor oil specially formulated to address the unique needs of higher mileage engines. Valvoline MaxLife is a blend of synthetic and premium conventional basestocks with seal conditioning agents, extra cleaning agents, additional anti-wear additives and novel friction modifiers for added protection. MaxLife provides performance benefits for high mileage, new and re-built engines. If you have over 75,000 miles, it’s time to step up the fight against engine breakdown. Switch to MaxLife Motor Oil, the synthetic blend with more!

• ASIN: B00AM1Y3X2
• UPC: 074130001817
• ASIN: B00AM1Y3X2
• Brand: Valvoline
• Size: 5 Quart
• Manufacturer: VALVOLINE

Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz

Professional mechanics and do-it-yourselfers everywhere rely on this product every day. Sea Foam Motor Treatment dissolves and cleans fuel and oil residues and deposits, stabilizes fuel, controls moisture, and lubricates upper cylinders. Safe and effective when added to gasoline and diesel fuel and oil crankcases Just pour it in!

• ASIN: B0002JN2EU
• UPC: 034761122237
• ASIN: B0002JN2EU
• Brand: Sea Foam
• Size: 1 Pack (16 Ounce)
• Manufacturer: Sea Foam

Mobil 1 Advanced Full Synthetic Motor Oil 5W-30, 5 qt.

Mobil 1 5W-30 is an advanced full synthetic engine oil designed to keep your engine running like new by providing exceptional wear protection, cleaning power and overall performance. Mobil 1 meets or exceeds the requirements

• UPC: 17034372
• Model: 112799
• Color: Multicolor
• Rating: 4.853

Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5-qt.

Keep your engine running like new with the help of this Mobil 1 0W-20 Full-Synthetic Motor Oil. It is an advanced full-synthetic engine oil that is designed to provide exceptional wear protection, cleaning power and

• UPC: 17034374
• Model: 112795
• Rating: 4.852

Havoline SMART CHANGE® Motor Oil 5W-30, 6qt

Havoline Motor Oils with Deposit Shield Technology are premium quality automotive engine oils. All grades are formulated with high quality base stocks and contain detergent, dispersant, wear control, antioxidant, corrosion inhibitor, and foam suppressant additives.

• UPC: 504353470
• Model: 223394685
• Rating: 5.0

Mobil 1 Advanced Full Synthetic Motor Oil 0W-40, 5 qt.

• UPC: 23636902
• Model: 120428
• Color: Multicolor
• Rating: 4.929

Mobil Mobil Delvac 15W-40 Heavy Duty Diesel Oil, 2.5 gal.

The quality and reliability built into Mobil Delvac Elite 15W-40, as a CJ-4 oil, delivers the highest level of protection in both new diesel engines, as well as older

• UPC: 19864183
• Model: 113490
• Rating: 4.7

(6 Pack) Mobil 1 5W-20 Advanced Full Synthetic Motor Oil, 5 qt.

Mobil 1 5W-20 Motor Oil is a specially formulated synthetic oil designed to keep your engine running like new by providing exceptional wear protection, cleaning power and overall performance. The oil helps to reduce deposits

• UPC: 840356782
• Rating: 4.835

(3 Pack) Mobil 1 5W-30 High Mileage Full Synthetic Motor Oil, 5 qt.

The Mobil 1 5W-30 High Mileage Full Synthetic Motor Oil ensures outstanding wear protection and engine cleanliness. Formulated with a propriety blend of high-performance synthetic basestocks and an additive system, it provides lubrication for your

• UPC: 456692526
• Rating: 4.817

(6 Pack) Mobil 1 5W-20 High Mileage Advanced Full Synthetic Motor Oil, 5 qt.

Keep your older engines running like new with the help of High-Mileage Mobil 1 5W-20 Advanced Full-Synthetic Motor Oil. It is an advanced full-synthetic engine oil that is designed to provide exceptional wear protection, cleaning

• UPC: 399305001
• Rating: 4.855

(3 Pack) Pennzoil Ultra Platinum 5W-30 Full Synthetic Motor Oil, 5 qt

Pennzoil Ultra Platinum⢠Full Synthetic motor oil is one of the best full synthetic motor oils in our portfolio. Made for extreme performance, Pennzoil Ultra Platinum outperforms conventional oils in terms of low temperature performance

• UPC: 857739720
• Rating: 4.842

(6 Pack) Shell Rotella T6 5W-40 Full Synthetic Heavy Duty Diesel Engine Oil, 1 gal

Rotella T6 5W40 CJ4_3*1ugl_A0II

• UPC: 945298944
• Rating: 4.873