URO NNE3946CA HVAC Heater Hose
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URO

URO NNE3946CA HVAC Heater Hose

Brand URO NNE3946CA
Branch Quantity 0
Centerline Length (mm) 520.7
Diameter (In) 1
End 1 Inside Diameter .700
End 1 Inside Diameter (mm) 17.8
End 2 Inside Diameter .700
End 2 Inside Diameter (mm) 17.8
Length 20.5
Material EPDM
Molded Yes
Number Of Quick Connect Fittings 0
Working Pressure 50
Fits Jaguar · 35 vehicles

Molded OE shape. Fits neatly and makes installation easier.

EPDM construction. Resists heat, ozone, and electrochemical degradation.

Heater hose built for dependable coolant flow.

Cross-references URO NNE3946CA, 117 26099 738 and URO-006514 for the same application. See all 3.

$26.26Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Jaguar Heater Return Hose Replacement

Restore proper coolant flow with this URO HVAC heater hose, part number NNE3946CA. It is molded to OE shape for a clean fit and easier routing on Jaguar heater return hose applications, including XK8, XKR, Vanden Plas, XJ8, and XJR models.

  • Guaranteed fitment for listed Jaguar applications
  • Molded OE-style shape for correct appearance and installation alignment
  • EPDM construction resists engine heat and ozone exposure
  • ECD-resistant rubber helps reduce electrochemical breakdown from the inside out
  • Temperature rating from -40°F to 275°F (-40°C to 135°C)
  • Working pressure rating: 50
  • Compatible with 1997-2006 Jaguar XK8 heater return hose applications
  • Compatible with 2000-2006 Jaguar XKR heater return hose applications
  • Compatible with 1998-2003 Jaguar Vanden Plas, XJ8, and XJR heater return hose applications

Built For OE-Style Fitment

This HVAC heater hose is formed from EPDM and shaped to match the original hose routing, helping maintain proper clearance and a factory-style appearance. With 17.8 mm inside diameter ends, a 520.7 mm centerline length, and molded construction, URO NNE3946CA is a direct replacement for the heater return hose on the specified Jaguar platforms. This part cross-references URO-006514 and 117 26099 738 for the same application.

Common Problems It Can Help Address

  • Coolant seepage from a cracked or aged heater hose
  • Restricted heater flow caused by deteriorated rubber
  • Improper hose routing after a failed original hose
  • Heat-related hardening or swelling of the hose material
  • Electrochemical degradation that breaks down the hose from within

Installation Notes

Verify the hose shape, end diameters, and routing against the original part before installation. Confirm the vehicle application by model year and heater return hose position on Jaguar XK8, XKR, Vanden Plas, XJ8, or XJR. Inspect adjoining clamps, fittings, and coolant passages for wear or contamination before refilling the system.

Quality Assurance

URO NNE3946CA is built from ECD-resistant EPDM and carries a 24-month unlimited mileage warranty. The hose is rated for a wide temperature range and is molded for OE-style fitment on the listed Jaguar applications.

Related reading

This part fits 35 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006JaguarXK8N/AHeater Return Hose
2006JaguarXKRN/AHeater Return Hose
2005JaguarXK8N/AHeater Return Hose
2005JaguarXKRN/AHeater Return Hose
2004JaguarXK8N/AHeater Return Hose
2004JaguarXKRN/AHeater Return Hose
2003JaguarVanden PlasN/AHeater Return Hose
2003JaguarXJ8N/AHeater Return Hose
2003JaguarXJRN/AHeater Return Hose
2003JaguarXK8N/AHeater Return Hose
2003JaguarXKRN/AHeater Return Hose
2002JaguarVanden PlasN/AHeater Return Hose
2002JaguarXJ8N/AHeater Return Hose
2002JaguarXJRN/AHeater Return Hose
2002JaguarXK8N/AHeater Return Hose
2002JaguarXKRN/AHeater Return Hose
2001JaguarVanden PlasN/AHeater Return Hose
2001JaguarXJ8N/AHeater Return Hose
2001JaguarXJRN/AHeater Return Hose
2001JaguarXK8N/AHeater Return Hose
2001JaguarXKRN/AHeater Return Hose
2000JaguarVanden PlasN/AHeater Return Hose
2000JaguarXJ8N/AHeater Return Hose
2000JaguarXJRN/AHeater Return Hose
2000JaguarXK8N/AHeater Return Hose
2000JaguarXKRN/AHeater Return Hose
1999JaguarVanden PlasN/AHeater Return Hose
1999JaguarXJ8N/AHeater Return Hose
1999JaguarXJRN/AHeater Return Hose
1999JaguarXK8N/AHeater Return Hose
1998JaguarVanden PlasN/AHeater Return Hose
1998JaguarXJ8N/AHeater Return Hose
1998JaguarXJRN/AHeater Return Hose
1998JaguarXK8N/AHeater Return Hose
1997JaguarXK8N/AHeater Return Hose
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
URO — NNE3946CA117 26099 738URO-006514