HomeEmission Control > Crankcase Ventilation SystemBeck Arnley 045-0291 PCV Valve
Part #: 045-0291

Beck Arnley 045-0291 PCV Valve

14 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$16.64Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus, LS400 and SC400
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable PCV Valve for Lexus LS400 and SC400

The Beck Arnley 045-0291 PCV valve is designed to maintain proper crankcase ventilation for Lexus LS400 and SC400 models. Engineered with precise inlet and outlet sizes, this valve ensures efficient emission control and engine performance.

  • Engine side size: 0.55 inches for accurate fitment
  • Outlet size: 0.45 inches optimized for proper ventilation flow
  • Compatible with Lexus LS400 and SC400 vehicles
  • Part number 045-0291 for easy identification and replacement

Detailed Product Description

This Beck Arnley PCV valve (part number 045-0291) is a critical component in the crankcase ventilation system of Lexus LS400 and SC400 models. The valve features an engine side size of 0.55 inches and an outlet size of 0.45 inches, ensuring a precise fit and proper airflow regulation. By controlling the release of gases from the crankcase, it helps reduce harmful emissions and prevents pressure buildup inside the engine. This part is engineered to meet OEM specifications, providing reliable performance and durability.

Purpose and Common Issues Addressed

  • Prevents excessive crankcase pressure that can cause oil leaks
  • Reduces engine emissions by regulating blow-by gases
  • Helps maintain optimal engine performance and fuel efficiency
  • Prevents contamination of the intake system with oil vapors
  • Addresses rough idling or engine stalling related to PCV valve failure

Installation Notes and Tips

When installing the Beck Arnley 045-0291 PCV valve, ensure the engine is cool to avoid injury. Verify the engine side size of 0.55 inches and outlet size of 0.45 inches match the vehicle’s specifications. Properly secure the valve to prevent vacuum leaks. It is recommended to inspect related hoses and connections during replacement to maintain system integrity.

Quality Assurance and Warranty

Beck Arnley parts are manufactured to meet or exceed OEM standards. The 045-0291 PCV valve undergoes rigorous quality control to ensure durability and reliable operation in Lexus LS400 and SC400 vehicles. Please refer to Beck Arnley’s warranty policy for specific coverage details.

BrandBeck Arnley
Part Number045-0291
ENGINE SIDE SIZE INCHES0.55
OUTLET SIZE0.45

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997LexusLS4004.0LV8N/A
1997LexusSC4004.0LV8N/A
1996LexusLS4004.0LV8N/A
1996LexusSC4004.0LV8N/A
1995LexusLS4004.0LV8N/A
1995LexusSC4004.0LV8N/A
1994LexusLS4004.0LV8N/A
1994LexusSC4004.0LV8N/A
1993LexusLS4004.0LV8N/A
1993LexusSC4004.0LV8N/A
1992LexusLS4004.0LV8N/A
1992LexusSC4004.0LV8N/A
1991LexusLS4004.0LV8N/A
1990LexusLS4004.0LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.