Part #: CU2648

Spectra CU2648 Radiator

45 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi and Volkswagen, A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, Passat, RS4, and S4
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Spectra CU2648 Radiator for Audi and Volkswagen

The Spectra CU2648 radiator is an OE-style replacement built for the durability and performance expectations associated with original equipment. It is a direct-fit cooling component for select Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, RS4, S4, and Volkswagen Passat applications with the specified 15-11/16 in. core width.

Key Features

  • OE-style radiator construction for factory-level fit and function
  • Designed for select Audi and Volkswagen cooling system applications
  • Core width specification: 15-11/16 in. from top to bottom coolant tubes
  • Direct replacement part number CU2648
  • Cross-reference example: APDI 8012648

Detailed Description

Built for the cooling demands of late-1990s and early-2000s European vehicles, the Spectra CU2648 radiator serves as a replacement for models including the Audi A4, Audi A4 Quattro, Audi A6, Audi A6 Quattro, Audi Allroad Quattro, Audi RS4, Audi S4, and Volkswagen Passat. Spectra Premium radiators are engineered to meet the durability expectations of OE-style components, making this radiator a practical choice when restoring proper engine temperature control. The CU2648 part number is also referenced in aftermarket catalogs for the same application.

What This Radiator Helps Address

  • Engine overheating caused by a leaking or restricted radiator
  • Coolant loss from cracked or corroded radiator tanks or cores
  • Temperature instability during stop-and-go driving
  • Poor heat rejection in aging Audi A4 and Volkswagen Passat cooling systems
  • Replacement needs after impact damage or internal blockage

Installation Notes and Tips

Verify the vehicle’s core width and match the fitment notes before ordering. This radiator is listed for Fits 1998-2005 Volkswagen Passat, N/A; Fits 1998-2004 Audi A6 Quattro, N/A; Fits 2001-2002 Audi Allroad Quattro, N/A; Fits 2002 Audi RS4, N/A; Fits 2000-2002 Audi S4, N/A; Fits 1996-2001 Audi A4, N/A; Fits 1997-2001 Audi A4, N/A; Fits 1996-2001 Audi A4 Quattro, N/A; and Fits 1998-2001 Audi A6, N/A. Confirm VIN break notes where shown, especially for Audi A4 and A4 Quattro applications from VIN # T210001.

Quality Assurance

Spectra Premium radiators are built to meet OE-style durability expectations for replacement cooling system service.

This part fits 45 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2005VolkswagenPassat2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2004AudiA6 Quattro2.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2004VolkswagenPassat2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2003AudiA6 Quattro2.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2003VolkswagenPassat2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2002AudiA6 Quattro2.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2002AudiAllroad Quattro2.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2002AudiRS42.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2002AudiS42.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2002VolkswagenPassat2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2001AudiA42.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
2001AudiA41.8LL4N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2001AudiA4 Quattro2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
2001AudiA62.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2001AudiA6 Quattro2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2001AudiA6 Quattro2.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2001AudiAllroad Quattro2.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2001AudiS42.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2001VolkswagenPassat2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2000AudiA42.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
2000AudiA41.8LL4N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2000AudiA4 Quattro2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
2000AudiA62.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2000AudiA6 Quattro2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2000AudiA6 Quattro2.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2000AudiS42.7LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
2000VolkswagenPassat2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1999AudiA42.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
1999AudiA41.8LL4N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1999AudiA4 Quattro2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
1999AudiA62.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1999AudiA6 Quattro2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1999VolkswagenPassat2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1998AudiA42.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
1998AudiA41.8LL4N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1998AudiA4 Quattro2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
1998AudiA62.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1998AudiA6 Quattro2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1998VolkswagenPassat2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1997AudiA42.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
1997AudiA41.8LL4N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes)
1997AudiA4 Quattro2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
1996AudiA42.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
1996AudiA4 QuattroManual2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001
1996AudiA4 QuattroAutomatic2.8LV6N/Aw/ 15-11/16 in. Core Width (From Top To Bottom Coolant Tubes); From VIN # T210001

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

This part directly replaces or is cross-referenced with the following part numbers:

0AAA53542035203625982648284228433361376715334376720601412035412036412648412648A4325544325554B0121251AE4B0121251L4B0121251R604987317577640A8012035801264888168D0121251BB8D0121251L8D0121251NAU3010103AU3010105C2648CU2036OR2648RAD2648REA412035REA412036REA412648REA412648AVW3010116VW3010117

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.