Part #: CU866

Spectra CU866 Radiator

12 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda and Mercury, 323, Capri, and Tracer
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Spectra CU866 Radiator for Mazda 323 and Mercury Capri

The Spectra CU866 radiator is built for direct replacement service on select compact cars, with construction aimed at meeting OE-level durability expectations. It is a fitment-based radiator for specific Mazda and Mercury applications, including the Mazda 323, Mercury Tracer, and Mercury Capri.

Key Features

  • Radiator replacement for select 1986-1994 vehicles
  • OE-style durability focus from Spectra Premium engineering
  • Fits 1986-1989 Mazda 323, N/A
  • Fits 1987-1990 Mercury Tracer, N/A
  • Fits 1991-1994 Mercury Capri, N/A
  • 26 1/8 in. core width noted for listed applications
  • Radiator cap is required for the listed fitments

Product Details

Part number CU866 is a radiator designed for direct-fit cooling system service on the listed Mazda and Mercury vehicles. Spectra builds this radiator structure and design to align with the durability expectations commonly associated with original equipment replacement parts. This makes the Spectra CU866 a practical choice when replacing a worn or leaking radiator on a Mazda 323, Mercury Tracer, or Mercury Capri.

This part cross-references APDI 8010866 for the same application.

What It Helps Address

  • Coolant leaks from a damaged radiator core or tank
  • Overheating caused by restricted coolant flow
  • Corrosion or age-related radiator deterioration
  • Cooling system performance loss in older Mazda and Mercury models
  • Replacement needs after radiator cap-related service

Installation Notes

Verify the core width and vehicle application before installation. The listed fitments require a radiator cap, so confirm cap condition and service the cooling system as needed during replacement. Use the vehicle’s cooling system specifications and inspect hoses, clamps, and related components before returning the vehicle to service.

Quality Assurance

Spectra Premium designs this radiator with OE-level durability expectations in mind for the listed applications. Confirm fitment by year, make, and model before ordering.

This part fits 12 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
1994MercuryCapri1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1993MercuryCapri1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1992MercuryCapri1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1991MercuryCapri1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1990MercuryTracer1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1989Mazda323Automatic1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1989MercuryTracer1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1988Mazda323Automatic1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1988MercuryTracer1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1987Mazda323Automatic1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1987MercuryTracer1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); Radiator Cap Is Required
1986Mazda323Automatic1.6LL4N/A26 1/8 in. Core Width (From Top To Bottom Coolant Tubes); 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:

124512591336136136CBR210522482432564270270CBR40554411364186643318043804043819175147514A8010866866866CBR9318932093249385944960996B63015200B63015200AB63115200B63115200AB63415200B63415200AB6B115200B6B1152000B6B215200B6B2152000E8GY8005BE8GY8005CE8GY8005DF0JY8005AF0JY8005BF0JY8005CF4JY8005AF4YJ8005BFOJY8005AFOJY8005BFOJY8005CRAD866REA41136REA41866

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