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Oil Separator

Don’t dismiss a damaged air/oil separator, as it can damage your spark plugs and catalytic converter if left unresolved. Good thing it’s easy to get a replacement from CarParts.com. Our fast shipping and 24/7 customer service can get you the part you need in no time, so you can get back on the road as soon as possible. Pick out the best air/oil separator for your vehicle using our search filters and check out in a matter of minutes. Browse through our products below!

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Oil Separator - Direct Fit
Part Number: RA50400001
0 Reviews
Vehicle Info Required to Guarantee Fit
$12.88
Product Details
Notes : Located on BlockWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oil Separator - Direct Fit
Part Number: RA50400002
0 Reviews
Vehicle Info Required to Guarantee Fit
$41.02
Product Details
Warranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oil Separator - Direct Fit
Part Number: RA50400003
0 Reviews
Vehicle Info Required to Guarantee Fit
$28.99
Product Details
Warranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oil Separator - Direct Fit
Part Number: RM50400002
0 Reviews
Vehicle Info Required to Guarantee Fit
$1.73
Product Details
Warranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oil Separator - Direct Fit
Part Number: RM50400003
0 Reviews
Vehicle Info Required to Guarantee Fit
$0.95
Product Details
Notes : PCV Crankcase Vent Valve Oil SeparatorWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

O27002 Oil Separator - Direct Fit
Part Number: SIO27002
0 Reviews
Vehicle Info Required to Guarantee Fit
$75.99
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
S27005 Oil Separator - Direct Fit
Part Number: SIS27005
0 Reviews
Vehicle Info Required to Guarantee Fit
$70.99
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
Z16005 Oil Separator - Direct Fit
Part Number: SIZ16005
0 Reviews
Vehicle Info Required to Guarantee Fit
$107.99
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
Z16006 Oil Separator - Direct Fit
Part Number: SIZ16006
0 Reviews
Vehicle Info Required to Guarantee Fit
$187.99
Product Details
Anticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
Z16007 Oil Separator - Direct Fit
Part Number: SIZ16007
0 Reviews
Vehicle Info Required to Guarantee Fit
$157.99
Product Details
Anticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
Z27003 Oil Separator - Direct Fit
Part Number: SIZ27003
0 Reviews
Vehicle Info Required to Guarantee Fit
$117.99
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
46103 Oil Separator - Direct Fit
Part Number: RB46103
0 Reviews
Vehicle Info Required to Guarantee Fit
$91.49
Product Details
Warranty : Lifetime Dorman limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Acrylonitrile, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

46104 Oil Separator - Direct Fit
Part Number: RB46104
0 Reviews
Vehicle Info Required to Guarantee Fit
$53.99
Product Details
Warranty : Lifetime Dorman limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Acrylonitrile, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

917-034 Oil Separator - Direct Fit
Part Number: RB917034
0 Reviews
Vehicle Info Required to Guarantee Fit
$32.49
Product Details
Warranty : Lifetime Dorman limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

24574498 Oil Separator - Direct Fit
Part Number: AC24574498
0 Reviews
Vehicle Info Required to Guarantee Fit
$33.99
Product Details
Warranty : 24-months or unlimited mile AC Delco limited warrantyAnticipated Ship Out Time : Same day - 1 business dayQuantity Sold : Sold individually
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Oil Separator Brands

Oil Separator Customer Reviews

Thanks.. Easily installed myself and saved $460 on labor. Thanks again...
Manuel Perez
VERIFIED PURCHASER
Purchased on Mar 05, 2020

Oil Separator Guides

How to Clean an Automotive Oil Separator

Positioned under the hood, the air/oil separator allows a light oil mist to get into and out of the crankcase. When this component fails to work efficiently, the first sign you'll notice is a smoky emission. If you don't want that embarrassing kind of smoke to continue leaking out of your tailpipe, replace your defective oil separator immediately.

Difficulty level: Moderate

What you'll need:

  • Newspapers
  • Rubber gloves
  • Electrical contact cleaner or brake cleaner
  • 5-gallon bucket
  • Kerosene
  • Lint-free cloths

Step 1: Cover your working area with newspapers to guard the surface against oil or solvent spills. Put your rubber gloves on.

Step 2: Take the oil separator out of your vehicle and put it on the surface covered with newspapers. Not all oil separators are the same, so check your owner's manual for the step-by-step removal instructions. You can leave the hoses connected to the oil separator, but disengage the other end from the engine.

Step 3: Spray some brake cleaner or electrical contact cleaner into one of the hose intakes to get the oil separator. Spray one hose intake at a time. Try spraying from various angles until the spray that comes out of the hose intakes are clean, which means the oil separator is now clean.

Step 4: If after doing Step 3 the cleaner didn't come out clean, put the oil separator unit in a 5-gallon bucket. Pour in some kerosene until the unit is completely covered. Soak it for 15 to 60 minutes to soften and dissolve oil buildup. Take the unit off and shake it well to get rid of the oil buildup.

Step 5: Detach the air filter box top to see if there's oil on or around the air filter. If there is, clean the area using a lint-free cloth and cleaner. When you're done, put the box top back.

Step 6: Reconnect the necessary hoses and cover.

If your stock oil separator starts to show signs of aging or damage, the best resort is replacement rather than cleaning. Cracked or damaged hoses should also be replaced. To avoid serious problems, change the oil separator at the right interval.

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