Introduction: Improve Engine Health with the 68188865AA Oil Separator
Your 4×4 vehicle’s engine is built for rugged performance, but even the strongest engines need protection from harmful oil vapors. The 68188865AA Oil Separator is a crucial component in your crankcase ventilation system, designed to prevent engine oil contamination and maintain peak performance. This part keeps your intake manifold clean and your engine running efficiently—especially critical for Jeep, Dodge, and Chrysler vehicles that operate in off-road or high-stress environments.
At AU 4×4 Solution, we stock only the highest-quality parts like the 68188865AA Oil Separator—OEM-grade, reliable, and engineered for long-term performance. Whether you’re replacing a faulty separator or upgrading your system for better protection, this component ensures your 4WD engine breathes clean.
What is the 68188865AA Oil Separator?
The 68188865AA Oil Separator is a part of the Positive Crankcase Ventilation (PCV) system. It captures and separates oil mist and blow-by gases from the engine’s crankcase before they can enter the intake manifold. By preventing these oil vapors from reaching the combustion chamber, the oil separator helps:
Reduce carbon buildup
Improve fuel economy
Protect internal engine components
Lower harmful emissions
Typically located between the PCV valve and the intake system, the 68188865AA is made of durable materials to resist heat, pressure, and chemical breakdown.
Compatible Vehicle Models
The Oil Separator 68188865AA is compatible with a range of Chrysler, Jeep, and Dodge vehicles. Some common models include:
Jeep Grand Cherokee
Dodge Ram 1500
Dodge Durango
Chrysler 300
Jeep Wrangler (depending on engine configuration)
Jeep Gladiator
Why You Need the 68188865AA Oil Separator
While often overlooked, the oil separator is one of the most important components in engine longevity and clean combustion. Here’s why replacing or upgrading to the 68188865AA is essential:
Prevents Oil Contamination
Oil mist from the crankcase contains contaminants. This separator removes those before they re-enter the intake system.
Protects Intake Valves
Modern engines with direct injection can suffer from oil buildup on valves. The 68188865AA reduces this risk by filtering out oil particles.
Reduces Emissions
Cleaner combustion means fewer hydrocarbons and particulates in your exhaust stream, helping your vehicle meet environmental standards.
Improves Engine Performance
By keeping the intake system clean, your engine maintains efficient airflow and fuel combustion.
Extends Oil Life
Fewer contaminants in your engine mean longer oil intervals and better lubricant performance.
Symptoms of a Faulty Oil Separator
Over time, oil separators can wear out or clog, especially in high-mileage vehicles or under severe driving conditions. Here are signs your 68188865AA Oil Separator may need replacing:
Oil leaking near the valve cover or PCV area
Increased oil consumption
Smell of burning oil
Rough idling or stalling
Check Engine Light (with PCV-related codes)
Oil in air intake or throttle body
If your vehicle shows any of these symptoms, replacing the oil separator with a genuine 68188865AA can restore performance and prevent further damage.
Installation Tips for 68188865AA Oil Separator
Replacing the 68188865AA is a moderate DIY job for experienced users and a quick fix for professional mechanics. Here’s a general overview:
Locate the Oil Separator: Usually mounted on or near the engine’s PCV assembly.
Remove Covering Components: This might include intake tubes, engine covers, or hose clamps.
Disconnect the PCV Hoses: Use hose clamp tools if needed.
Unbolt and Remove the Old Separator: Carefully detach the unit from its mounting points.
Install New Separator: Ensure a tight seal and correct alignment.
Reconnect Everything: Tighten all bolts and reconnect hoses.
Key Features of 68188865AA Oil Separator
OEM-Spec Construction – Built to meet exact Chrysler, Jeep, and Dodge standards
Efficient Oil Separation – Removes vapor and mist from blow-by gases
Durable Materials – Withstands extreme heat and pressure
Plug-and-Play Fitment – Designed for direct replacement without modifications
Supports PCV System Health – Enhances crankcase ventilation
Reduces Carbon Buildup – Keeps intake valves and chambers clean
Promotes Engine Longevity – Reduces oil contamination and wear
Why Buy 68188865AA from AU 4×4 Solution?
At AU 4×4 Solution, we don’t just sell parts—we help our customers protect and power their vehicles with confidence. Here’s why our customers choose us:
OEM-Quality Parts – Genuine parts that fit and function as intended
Fast Australia-wide Delivery – Reliable shipping to keep your build moving
Easy Return Policy – Shop with zero risk
Knowledgeable Support – Talk to experts who understand 4WD systems
Secure Online Shopping – Safe transactions every time
We stock only the most trusted automotive components so you can upgrade or repair with confidence.
Frequently Asked Questions (FAQs)
1. What does the 68188865AA Oil Separator do?
It removes oil mist and blow-by gases from the crankcase ventilation system, helping to reduce engine wear, carbon buildup, and emissions.
2. How do I know if my oil separator is faulty?
Look for oil leaks, increased oil usage, engine roughness, and Check Engine Lights. Oil near your intake or throttle body may also indicate failure.
3. Is the 68188865AA difficult to install?
Not at all. With basic tools, the average DIY mechanic can install this in under an hour. Professionals can do it in even less time.
4. Is this a genuine OEM part?
Yes, the 68188865AA we supply meets OEM standards and is designed specifically for Jeep, Chrysler, and Dodge engines.
5. How often should I replace the oil separator?
There is no set mileage, but it’s best to inspect it during major services or every 100,000 km. Replace if clogged, cracked, or leaking.
Conclusion: Protect Your Engine with the 68188865AA Oil Separator
The 68188865AA Oil Separator is a small part with a huge responsibility. By filtering oil mist from your engine’s blow-by gases, it prevents carbon buildup, enhances fuel efficiency, and prolongs engine life. Whether you’re navigating urban streets or rough terrain, your 4×4’s engine deserves clean, dry air—and this oil separator delivers exactly that.
When you choose the 68188865AA Oil Separator from AU 4×4 Solution, you’re investing in your vehicle’s long-term reliability. Don’t wait for engine trouble to appear—take a proactive step today and keep your PCV system in top shape.
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