Genuine NCA3951CB Secondary Air Injection Pump Hose

Secondary Air Injection Hose for Jaguar

This Genuine Secondary Air Injection Pump Hose, part number NCA3951CB, is a direct-fit emission control hose for select Jaguar applications. It is listed for Full Load Breather Hose use on compatible Jaguar XJ8, XJR, XK8, XKR, and Vanden Plas models across the 1997-2003 model years.

Key Features

• Genuine replacement part for emission control service
• Part number NCA3951CB for accurate ordering and identification
• Fits select Jaguar XJ8, XJR, XK8, XKR, and Vanden Plas applications
• Used in Full Load Breather Hose configurations
• Position listed as N/A in the fitment data

Detailed Description

Genuine NCA3951CB is a Secondary Air Injection Pump Hose in the Emission Control > Air Injection System category. The fitment data identifies this hose for 1997-2002 Jaguar XK8, 2000-2002 Jaguar XKR, 1998-2002 Jaguar XJR, 1998-2002 Jaguar Vanden Plas, 1998-2003 Jaguar XJ8, and 2003 Jaguar Vanden Plas naturally aspirated applications. If you are servicing a Jaguar XJ8, XJR, XK8, XKR, or Vanden Plas and need the correct Full Load Breather Hose by part number NCA3951CB, this listing provides the application match needed for ordering and replacement.

Common Replacement Reasons

• Cracked or split breather hose
• Vacuum or air leakage in the emission control system
• Rough running caused by hose deterioration
• Failed inspection related to air injection or breather routing
• Incorrect hose routing during emission system repair

Installation Notes

Verify the vehicle year, model, and engine configuration before installation. Match the existing hose routing and connection points to the original part number NCA3951CB, and confirm the Full Load Breather Hose application for your Jaguar before final assembly. Because the fitment data lists Position as N/A, use the vehicle-specific routing and OE-style placement when replacing the hose.

Quality Assurance

This is a Genuine-branded replacement part identified by OE-style part number NCA3951CB. Use the confirmed fitment data to verify application before purchase and installation.