The Volvo Parts
The Volvo Parts Specialists Since 1963 The Volvo Parts, Accessories & Performance Specialists Since 1963
The Volvo Parts, Accessories &
Performance Specialists Since 1963

PCV Oil Trap Assembly - P3 3.0L 6 Cylinder Turbo

Aftermarket - 171421 - 31319643 - 125911

Want your order to ship right away?

We have other brands or versions of this product in stock now!

Available to Order
Typically ships within about two weeks
IPD Item Number
OEM Reference
Mfr Part Number
Brand Classification
Product Group
Quality Level
Units Per Car
Cross Reference
14553029001, 30757664, 30788442, 30788484, 31319643

Product Description


Internal combustion engines aren't perfectly sealed on the inside: as every cylinder fires, a little bit of combustion gases escape down in to the crankcase. If you've ever had your oil cap off while the engine is running and you feel little puffs of air in time with engine rotation above the opening, you're seeing this "blow-by" firsthand.

Enter the PCV, or "positive crankcase ventilation": by hooking up hoses and valves to the engine's air intake, these gases can be sucked out of the crankcase by intake vacuum and burned inside the engine. Capturing and burning these blowby gases not only makes the engine runs cleaner, but keeps pressure from building up inside your engine; a failed or plugged PCV is the root cause of many oil leaks, as that pressure buildup will eventually start pushing seals out.

Modern Volvos draw a lot of vacuum through the PCV from the intake, so a healthy, self-regulating PCV is important not just for preventing excess crankcase pressure, but also for keeping crankcase vacuum from getting too high, which can cause squealing noises as air gets sucked in past the PCV diaphragm or even other seals deeper within the engine like the turbo oil drain or dipstick tube.

This quality aftermarket PCV/Oil Trap Assembly is just the thing to keep your seals safe and leak-free. If you've got squealing or chirping noises at idle, or if you can feel constant suction from the disc-shaped diaphragm cover, pop a new PCV assembly on to your engine to keep on going.

About Aftermarket

Aftermarket parts are a reasonably priced and good alternative to OE products. We often supply aftermarket products in place of OE parts that are no longer available as well. 

Some items will be better than stock or considered an upgrade from the OE design in the aftermarket brand. 

Other items will work as a less expensive alternative to stock. 

We will not sell a product that we do not believe in, so rest assured you are fine with the aftermarket brand in most applications!

If you have any questions, contact our customer service team to advise on the best aftermarket products for your Volvo.

Vehicle Fitment Guide

Similar or Comparable Products

Shipping Estimate

Product Reviews

Policies, Warranty & FAQ

IPD is the Volvo Parts, Accessories and Performance Specialists Since 1963.

We offer a wide variety of high quality replacement, maintenance and restoration car parts plus our own line of heavy duty and performance products. Our custom built online parts catalog features Genuine, OE, OES, OEM, Aftermarket and IPD branded replacement auto parts.

Combine our unmatched 50+ year reputation with our outstanding customer service team and you can be confident we'll be here to serve your Volvo needs long in to the future. Not many others can match our knowledge and dedication to providing the very best customer service in the market. We have a physical location, live customer service agents you can call and extensive inventory so we can ship products to you quickly. Our customer and vehicle first approach means that your experience is our first priority. We have truly hassle-free returns and provide do-it-yourself (DIY) guides and videos for many of our products.

Local: 503.257.7500 | Toll-free: 800.444.6473

Monday-Friday | 8:30 AM to 5:00 PM PST