---
product_id: 304666184
title: "Schaeffer Manufacturing Co. 9000CK4-012 SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40, 1-Quart Bottle (Pack of 12)"
brand: "schaeffer's"
price: "€ 605.34"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.es/products/304666184-schaeffer-manufacturing-co-9000ck4-012-synshield-otr-plus-full-synthetic
store_origin: ES
region: Spain
---

# High heat resistance 5W-40 viscosity Cold weather performance Schaeffer Manufacturing Co. 9000CK4-012 SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40, 1-Quart Bottle (Pack of 12)

**Brand:** schaeffer's
**Price:** € 605.34
**Availability:** ✅ In Stock

## Summary

> 🚀 Unleash the Power of Performance!

## Quick Answers

- **What is this?** Schaeffer Manufacturing Co. 9000CK4-012 SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40, 1-Quart Bottle (Pack of 12) by schaeffer's
- **How much does it cost?** € 605.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/304666184-schaeffer-manufacturing-co-9000ck4-012-synshield-otr-plus-full-synthetic)

## Best For

- schaeffer's enthusiasts

## Why This Product

- Trusted schaeffer's brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Soot Slayer:** Superior deposit-dispersing capabilities keep your engine clean.
- • **Heat Warrior:** Withstands higher temperatures than conventional oils for ultimate protection.
- • **Cold Start Hero:** Exceptional cold weather startability for reliable performance.
- • **Friction Fighter:** Enhanced with Micron Moly and Penetro for reduced wear and tear.
- • **Fuel Efficiency Champion:** Maximizes fuel economy while ensuring engine longevity.

## Overview

The Schaeffer Manufacturing Co. 9000CK4-012 SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40 is a premium engine oil designed to enhance fuel economy and engine durability. This 1-quart bottle, available in a pack of 12, offers superior cold weather startability, high heat resistance, and exceptional soot-busting capabilities, making it the ideal choice for modern diesel engines.

## Description

Schaeffers SynShield OTR Plus 5W40 Full Synthetic Oil is a premium advanced performance, synthetic plus, heavy-duty diesel engine oil formulated to provide maximum protection against wear, oxidation, deposit formation, soot contamination and aeration. SynShield OTR Plus 5W40 Full Synthetic provides excellent fuel economy while maintaining engine durability and longevity. Using our proprietary friction modifiers, Micron Moly and Penetro, SynShield OTR Plus 5W40 Full Synthetic creates a slippery, tenacious shield that prevents metal-to-metal contact for increased engine efficiency. SynShield OTR Plus 5W40 Full Synthetic is suitable for use in 2007 and 2010 emission complaint 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). Schaeffer’s 5W40 is suitable for use API CK-4 specifications.

## Features

- Maintains fuel economy without sacrificing engine durability.
- Superior cold weather startability and operating characteristics.
- Oil strength: withstands higher heat range than conventional oils.
- Keep-clean performance: superior soot busting, deposit-dispersing capability.
- Friction modified with Micron Moly and Penetro

## Product Details

- **Viscosity:** 5w-40
- **Brand:** Schaeffer's
- **Liquid Volume:** 32 Fluid Ounces
- **Package Information:** Bottle
- **Vehicle Service Type:** Truck

## Images

![Schaeffer Manufacturing Co. 9000CK4-012 SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40, 1-Quart Bottle (Pack of 12) - Image 1](https://m.media-amazon.com/images/I/61FicPpAZiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Using in my 2013 Ford F250 6.7 Powerstroke
*by S***Y on June 27, 2025*

So far so good in my 2013 F250 6.7 Powerstroke. I did a lot of research before giving it a shot.

### ⭐⭐⭐⭐⭐ Great oil
*by J***E on January 17, 2025*

Watch some videos comparing this oil to others and you will be sold.

### ⭐⭐⭐⭐⭐ Best oil money can buy
*by Z***R on July 23, 2023*

Even though it may be expensive, this is the best oil you can buy and the only stuff I’ll run in my rigs

## Frequently Bought Together

- Schaeffer Manufacturing Co. 9000CK4-012 SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40, 1-Quart Bottle (Pack of 12)
- Schaeffer Manufacturing Co. 9000CK4-012S SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40, 1-Quart Bottle
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**Shop now:** [https://www.desertcart.es/products/304666184-schaeffer-manufacturing-co-9000ck4-012-synshield-otr-plus-full-synthetic](https://www.desertcart.es/products/304666184-schaeffer-manufacturing-co-9000ck4-012-synshield-otr-plus-full-synthetic)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-04*