Part #: CU856

Spectra CU856 Radiator

⚙️ 55 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, and Oldsmobile, 88, 98, Allante, Commercial Chassis, DeVille, Eldorado, Fleetwood, LeSabre, Park Avenue, and Seville
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Reliable Cooling Solution for Buick, Cadillac, and Oldsmobile Vehicles

The Spectra CU856 radiator is designed to provide efficient cooling performance for select Buick, Cadillac, and Oldsmobile models. Engineered to meet OEM specifications, this radiator helps maintain optimal engine temperature and supports vehicle reliability.

  • Compatible with Buick 88, 98, LeSabre, and Park Avenue models
  • Fits Cadillac Allante, Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville
  • Manufactured by Spectra for consistent quality and durability
  • Part number CU856 ensures precise fitment and easy identification
  • Constructed to support effective heat dissipation and engine cooling

Product Details and Specifications

The Spectra CU856 radiator is a direct replacement part designed for specific Buick, Cadillac, and Oldsmobile vehicles. It is engineered to match the original equipment dimensions and performance standards, ensuring proper fit and function. This radiator supports the cooling system by efficiently transferring heat away from the engine, which is critical for preventing overheating and maintaining engine performance. The CU856 is built with durable materials to withstand the demands of daily driving and varying operating conditions.

Compatible Vehicles and Applications

  • Buick 88 and 98 models
  • Buick LeSabre and Park Avenue
  • Cadillac Allante, Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville
  • Oldsmobile 88 and 98 models

Common Issues Addressed by the Spectra CU856 Radiator

  • Engine overheating due to radiator leaks or blockages
  • Reduced cooling efficiency from damaged or corroded radiator cores
  • Coolant loss caused by cracked or compromised radiator tanks
  • Inconsistent engine temperature regulation affecting performance
  • Replacement of worn or failing original radiators in Buick, Cadillac, and Oldsmobile vehicles

Installation Notes and Tips

When installing the Spectra CU856 radiator, ensure the cooling system is fully drained before removal of the old radiator. Verify all hose connections and mounting points align with the vehicle’s specifications. It is recommended to inspect and replace any worn hoses or clamps during installation to maintain system integrity. Properly refill and bleed the cooling system to avoid air pockets and ensure optimal performance.

Quality Assurance and Warranty Information

Manufactured by Spectra, the CU856 radiator undergoes quality control processes to meet industry standards. While specific warranty details are not provided, Spectra products typically adhere to rigorous manufacturing guidelines to ensure reliability and durability in automotive cooling applications.

This part fits 55 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
1996BuickPark Avenue3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1995BuickLeSabre3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1995BuickPark Avenue3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1995CadillacDeVille4.9LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1994BuickLeSabre3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1994BuickPark Avenue3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1994CadillacDeVille4.9LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1993BuickLeSabre3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1993BuickPark Avenue3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1993CadillacDeVille4.9LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1993CadillacEldorado4.9LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1993Oldsmobile883.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1993Oldsmobile983.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1992BuickLeSabre3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1992BuickPark Avenue3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1992CadillacAllante4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1992CadillacDeVille4.9LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1992CadillacEldorado4.9LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1992Oldsmobile883.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1991BuickPark Avenue3.8LV6N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1991CadillacAllante4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1991CadillacDeVille4.9LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1991CadillacEldorado4.9LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1990CadillacAllante4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1990CadillacCommercial Chassis4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1990CadillacDeVille4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1990CadillacEldorado4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1990CadillacFleetwood4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1990CadillacSeville4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1989CadillacAllante4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1989CadillacCommercial Chassis4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1989CadillacDeVille4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1989CadillacEldorado4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1989CadillacFleetwood4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1989CadillacSeville4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1988CadillacAllante4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1988CadillacCommercial Chassis4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1988CadillacDeVille4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1988CadillacEldorado4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1988CadillacFleetwood4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1988CadillacSeville4.5LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1987CadillacAllante4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1987CadillacCommercial Chassis4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1987CadillacDeVille4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1987CadillacEldorado4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1987CadillacFleetwood4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1987CadillacSeville4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1986CadillacCommercial Chassis4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1986CadillacDeVille4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1986CadillacEldorado4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1986CadillacFleetwoodFWD4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1986CadillacSeville4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1985CadillacCommercial Chassis4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1985CadillacDeVille4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required
1985CadillacFleetwoodFWD4.1LV8N/A30-1/2 in. Between Tanks; w/ EOC (Engine Oil Cooler); w/o Low Coolant indicator; Radiator Cap Is Required

* 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:

0856A0856AA0AAS5166104810531056147415817122028320284248524929304958630568963090244309102530910263257364441104841105341158413654185641856A43315843385643802644968524513345245279252452795524528595245386352453881524545035245563952455644524617855246263452462679524634535247071652492958524934065249858452498585731875760769778801085685692119605C0856CU856E9ZZ8005CF1ZZ8005AOR856RA20003RAD1474REA411048REA411053REA41158REA41856REA41856A

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