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Schaeffer Manufacturing Co. 9000CK4-006S SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40 is a high-performance engine oil designed to enhance fuel economy while ensuring engine durability. With superior cold weather startability and exceptional heat resistance, this oil is perfect for demanding conditions. Its advanced formulation provides outstanding soot control and deposit dispersion, making it a top choice for diesel engines.
| Manufacturer | Schaeffer Manufacturing Co. |
| Brand | Schaeffer Manufacturing |
| Model | 9000CK4-006S |
| Item Weight | 7.48 pounds |
| Package Dimensions | 11.25 x 8 x 4.25 inches |
| Country of Origin | USA |
| Item model number | 9000CK4-006S |
| Manufacturer Part Number | 9000CK4-006S |
| Viscosity | 5w-40 |
M**H
Great product
Can’t recommend Schaeffer oil products more. Religiously use this oil in my personal truck (2017 F350 Powerstroke) as well as several other of their products at work.
D**D
Good oil
Only stuff I use in my Cummins
Z**R
Great oil
Best oil money can buy
K**R
Best oil
Great oil, motor is quieter. Like a lot.
J**U
The best
A little expensive but oil is the life of your engine. Worth the extra money.
O**7
Excellen oil for my L5P
I was previously using AMSOil and was annoyed by the DEF injector tick that became much louder when I started using it. After switching to the Schaeffer 5W40 the noise it nearly non existent. I just reordered for my next oil change. This in combination with the WIX XP filter will be my go to from now on.
M**S
Product review
Excellent product
M**K
Great oil
Great oil, it’s a little pricey, but works well! My truck does do well with it and my fuel efficiency has gone up. The only suggestion I would make for seller is to tape a seal around the cap. I was worried because a lot of people had issues with oil leaking out because of the seal. I did not have any issues with it leaking, but I only ordered one. I found it cheaper at a local shop.
Trustpilot
2 months ago
3 weeks ago
