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🛢️ Keep your diesel running smoother, longer — because your engine deserves the best!
Schaeffer Manufacturing Co.'s SynShield Durability Advantage 15W-40 is a premium synthetic-plus heavy-duty diesel engine oil engineered for maximum wear protection, oxidation resistance, and soot control. Featuring proprietary friction modifiers like micron moly, it forms a durable shield that reduces metal-to-metal contact, extending engine life even under severe operating conditions. Compatible with 2007+ emission-compliant engines, it surpasses API CK-4 standards and supports advanced exhaust after-treatment systems, making it the go-to choice for professionals demanding peak diesel performance and longevity.
| ASIN | B06VVXGSM7 |
| Batteries Required? | No |
| Batteries included? | No |
| Customer Reviews | 4.9 4.9 out of 5 stars (365) |
| Date First Available | 14 Feb. 2017 |
| Item Package Quantity | 1 |
| Item Weight | 3.43 kg |
| Item model number | 0700CK4-006S |
| Manufacturer | Schaeffer Manufacturing Co. |
| Measurement System | US |
| Package Dimensions | 27.79 x 19.3 x 10.49 cm; 3.43 kg |
| Part number | 0700CK4-006S |
D**.
Run this product in my 2001 Ford power stroke with a 7.3l , 220 on the clock and it started to run not as smooth as it use to . Understandable with the miles. Frend of mine ask me if I would try it. I said yeah sure until I seen the difference in price. So I was like ahhh no that's ok ...he laughed and said I have a couple of gallons, try it for free and if you don't like how smooth your engine will run then you don't have to pay me for the oil ...I said ok I'll do that. All I can say is that it is well worth the price . I was amazed at how much smoother and cleaner sounding my engine was running if that makes sense. Idles so smooth and starts easier. Been in my truck for about 2000 miles now and I swear it keeps getting better the more I drive it . The turbo even sounds better , definitely recommend running on an older diesel engine. Not sure about newer diesels because I don't own one but I'm sure it can only be a great product for new engines as well
E**N
Owning a Diesel engine, and researching toxic of oil for the engine, I settled on this product. The “oil geek” YT channel teachings, Is one venues of wisdom I use on ail related concerns. This has a cleanser trait most others oils do NOT. It's one of the better products HGH quality for our Diesel engines. I HIGHLY suggest change your Diesel engine oils & filter, 4K Miles. It's expensive yet the thing will last 500K miles or MORE, if you maintain it right. Diesel engines create SOOT and so the manuals say 10K miles, NO FLIPPIN way!! 4K Miles MAX. Unless you put in an oil bypass filter setup. Then double it. All example I seen of diesels lasting 500K-900K Miles were #1 secret, Change oil / filter Ofter!!!!
R**C
Best oil hands down for my 6.7 power stroke
J**K
My 25 year-old 7.3 L turbo diesel picked up 3 1/2 miles per gallon increase engine noise decreased couldn’t be happier with it
A**T
This oil gives me the best fuel mileage ever and it’s valuable for my diesel engine. Great buy!
Trustpilot
Hace 2 semanas
Hace 2 semanas