Hero image 0 of Schaeffer Oil SynShield OTR Plus Advanced Performance Full Synthetic Engine Oil 5W-40, 1 Gallon, 0 of 5

Schaeffer Oil SynShield OTR Plus Advanced Performance Full Synthetic Engine Oil 5W-40, 1 Gallon

Name: Schaeffer Oil SynShield OTR Plus Advanced Performance Full Synthetic Engine Oil 5W-40, 1 Gallon
Brand: Schaeffer Oil
SKU: 1589210899
Price: 69.99 USD
Availability: InStock
Rating: 5 (3 reviews)

|3 ratings

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Key item features

Advanced Protection: Offers 71% less wear than conventional 5W-40 CJ-4 oils, providing maximum protection against wear, oxidation, deposit formation, soot contamination, and aeration.
Enhanced Stability: Features high thermal and oxidative stability, resisting viscosity thickening and the formation of deposits, sludge, and varnish.
Soot Management: Delivers strong soot-busting and deposit-dispersing capabilities, with 46% greater soot handling than conventional 5W-40 CJ-4 oils.
Consistent Performance: Maintains excellent shear stability for stay-in-grade performance throughout the oil drain interval and superior low volatility to control oil consumption.
Broad Compatibility: Exceeds API Service Categories CK-4, CJ-4, CI-4, CI-4 Plus, and older, suitable for emission-compliant engines with EGR, DPFs, DOCs, and SCR.
Engine Longevity: Formulated with proprietary friction modifiers, Micron Moly and Penetro, to provide excellent fuel economy while maintaining engine durability and longevity.

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Specs

Motor oil viscosity
5W - 40
Motor oil type
Full Synthetic Motor Oils
Brand
Schaeffer Oil
Rec. use
Truck
Volume capacity
1 gal
Features
Premium, Heavy-Duty

Current price is $69.99

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Sold and shipped by Doxa Worldwide

4.603389830508474 stars out of 5, based on 295 seller reviews(4.6)

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About this item

Product details

Exceeds API Service Categories for heavy-duty-diesel engine oil: CK-4, CJ-4, CI-4, CI-4 Plus and older. SynShield OTR Plus 5W-40 Engine Oil is a premium advanced performance, fully synthetic, heavy-duty diesel engine oil formulated to provide maximum protection against wear, oxidation, deposit formation, soot contamination and aeration. It provides excellent fuel economy while maintaining engine durability and longevity. Using our proprietary friction modifiers, Micron Moly and Penetro, It is suitable for use in emission-compliant engines that utilize heavy exhaust gas recirculation (EGR) and exhaust after-treatment devices such as diesel particulate filters (DPFs) with or without diesel oxidation catalysts (DOCs) and selective catalytic reduction (SCR). It can also be used in low-emission certified diesel engines that are equipped with EGR, older non-EGR-containing diesel engines, and off-highway diesel engines.

Schaeffer Oil SynShield OTR Plus Advanced Performance Full Synthetic Engine Oil 5W-40, 1 Gallon

Improved wear protection with 71% less wear than conventional 5W-40 CJ-4 oils
High thermal and oxidative stability for greater resistance to viscosity thickening and the formation of deposits, sludge, and varnish
Strong soot-busting, deposit-dispersing capability with 46% greater soot handling than conventional 5W-40 CJ-4 oils
Excellent shear stability for stay-in-grade performance throughout the oil drain interval
Superior low volatility characteristics to control oil consumption

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Motor oil viscosity

5W - 40

Motor oil type

Full Synthetic Motor Oils

Brand

Schaeffer Oil

Rec. use

Truck

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

WARNING: Cancer and Reproductive Harm

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Customer ratings & reviews

5 out of 5 stars

stars3 ratings3 reviews

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Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.

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Showing 1-3 of 3 reviews

Jun 25, 2025

Marilu

Top Reviewer

Sold and shipped byHeintz Sales

5 out of 5 stars review

Verified Purchase

Great quality oil!

Not only is this my husband's favorite oil to use, but the supplier and the way in which they handled the concern with our order was exceptional, and we will definitely be purchasing from them again!

Incentivized Review

Helpful?

Aug 25, 2025

anonymous

Sold and shipped byHeintz Sales

5 out of 5 stars review

Verified Purchase

Great product at a great price

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Jan 20, 2025

Richard

Sold and shipped byCoops Customs

5 out of 5 stars review

Verified Purchase

Engine oil

Ford good product

Incentivized Review

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Schaeffer Oil SynShield OTR Plus Advanced Performance Full Synthetic Engine Oil 5W-40, 1 Gallon

Key item features

Specs

How do you want your item?

About this item

Product details

Specifications

Motor oil viscosity

Motor oil type

Brand

Rec. use

Warranty

Warranty information

Warnings

Similar items you might like

Based on what customers bought

Chevron Delo 400 XLE SAE 10W-30, Heavy Duty Diesel Motor Oil. 1 Gallon $25.99 20.3 ¢/fl oz

Chevron Delo 400 XLE SAE 10W-30, Heavy Duty Diesel Motor Oil. 1 Gallon

Mobil 1 ESP Full Synthetic Motor Oil 0W-30, 1 Quart $8.78 Was $9.99 27.4 ¢/fl oz

Mobil 1 ESP Full Synthetic Motor Oil 0W-30, 1 Quart

Rollback Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart $24.97 Was $27.97 15.6 ¢/fl oz

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

Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 12 Quart $60.00 15.6 ¢/fl oz

Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 12 Quart

Rollback Mobil 1 High Mileage Full Synthetic Motor Oil 10W-40, 5 Quart $24.97 Was $27.97 15.6 ¢/fl oz

Mobil 1 High Mileage Full Synthetic Motor Oil 10W-40, 5 Quart

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Castrol GTX Full Synthetic 0W-20 Motor Oil, 1 Quart

Castrol GTX Full Synthetic High Mileage 0W-20 Motor Oil, 1 Quart $15.10 $15.10/qt