We use cookies to make your experience better. Read more
Heater Core
Filter
- REPRODUCTION Free Shipping In The USA
1977 1978 Cadillac Eldorado Heater Core REPRODUCTION Free Shipping In The USA
SKU: 7778TEM6603026$145.00Free Shipping In The USA
Providing parts for Cadillac Models from 1936-1993.
Toggle Nav
Toggle Nav 
- Shop Parts
- A/C & COOLING
- A/C (Air Conditioning) Refrigerant Line [GR 9.222]
- A/C (Air Conditioning) Vacuum Storage Tank [GR 9.281 / GR 9.196]
- Belts
- Boot & Ducts
- Brackets [GR 9.171 / GR 9.190]
- Cables
- Circuit Board [GR 9.275]
- Compressor & Compressor Parts
- Condenser & Brackets
- Dash Cover Climate Control [GR 9.279]
- Drier (Dehydrator) [GR 9.195 / GR 54.4005 ]
- Evaporator
- Expansion Valve
- Fan Items
- Fuse
- Heater Core
- Hoses
- Hot Bypass
- In-Dash Main Climate Control Heads & Parts For Head Units [GR 9.273]
- Motors
- PCV Valve
- POA Valve & Parts
- Power Servo & Parts [GR 9.275]
- Programmer & Parts [GR 9.275]
- Radiator
- Rebuild Kits
- Relays
- Resistors & Sensors & Sensor Covers [GR 9.275 / GR 54.5645]
- Reservoir Coolant [GR 1.129]
- Seals & Seal Kits
- STV Valve & Parts
- Switch
- Transducer [GR 9.275]
- Vacuum Advance Mode Units [GR 9.280 / GR 9.277 / GR 54.0295]
- Vacuum Valves [GR 8.852]
- Vent
- ACCESSORIES
- Autronic Eye Twilight Sentinel & Switches & Parts [GR 2.485 / GR 51.0580]
- Brackets
- Caddy Daddy Merchandise
- Car Covers
- Defogger Package GR 9.778 GR 60.0610
- Door Edge Guards [GR 10.500]
- Floor Mats
- Frame License Plate [GR 7.800 / GR 51.0300]
- Garage Door
- Litter Box
- Optikleen Bottle
- Optional Heater
- Seat Belt [GR 14.875]
- Seat Covers
- Spotlight
- Steering Wheel Cover
- Tissuemate Dispesner [GR 8.91]
- Vintage Decor
- BATTERY (BOX & CABLES & MORE)
- BEARINGS
- BODY FILLERS & EXTENSIONS & PANELS
- BRACES & SUPPORTS
- BRAKE ITEMS
- Booster & Master Cylinder Units
- Boosters
- Brake Filter [GR 4.913]
- Brake Rebuild Kits
- Caliper & Kits
- Disc Brake Conversion Kit Replacement Parts
- Disc Brake Conversion Kits
- Drum [GR 5.809]
- Emergency & Parking Brake
- Hardware & Spring Kits
- Hose [GR 4.5880]
- Lines
- Master Cylinders & Parts [GR 4.650 / GR 4.5500]
- Pedal Assembly
- Rotor
- Switch
- Tee Valve GR 4.686
- Valve & Blocks: Pressure Proportioning
- Wheel Cylinder [GR 4.665 / GR 4.5725]
- Shoes & Pads & Liners
- BUMPERS
- CLIPS / CONNECTORS / HARDWARE / RETAINERS / CLAMPS
- Back Rear Window Reveal [GR 11.209 / GR 37.1525]
- Barrel Studs (For Emblems & Scripts)
- Bolts
- Clamps
- Connectors
- Cruise Control Clip
- Door
- Fender Skirt
- Flat Nut
- Front Fender Dust Shield
- Front Side Fender Trim & Extensions [GR 8.133 / GR 10.0036]
- Grille
- Headlight Adjusting Screws [GR 2.737]
- Hardware Mounting Kits
- Fuel
- Hex Flange Nuts
- Hood Insulation
- Hood Lip Molding Clips
- Hood To Cowl Seal Clips
- Hub Cap & Steel Wheel
- Interior
- Lock Nut & Tubular & Speed Nuts
- Molding Clips & Retainers
- Molding On Roof
- Peak Molding
- Rear 1/4 Panel
- Rocker Panel
- Screws
- Spacers & Shims
- Staples
- Trunk
- U Nuts
- Universal
- Washer
- Weatherstrip & Rubber
- Wheel Wheel Molding [GR 8.133 / GR 10.0036]
- Window
- Windshield Reveal Molding [GR 10.096]
- CONVERTIBLE ITEMS
- Hard Boots & Hardware & Soft Boots
- Header
- Hydraulic Convertible Top Lines
- Lens Bezels & Housings
- Other Items
- Pump & Motor & Gear Box & Actuator
- Side Tension Cables
- Sun Visor Brackets & Mirror Stems
- Tacking Rail Sets & Parts
- Top Cylinders
- Top Frame & Bow Items
- Top Frame Bushings
- Top Handles & Latches & Hardware
- Top Pump Hoses & Top Motor Cables
- Top Relays
- Top Switch
- Top Replacements (Canvas & Vinyl)
- Trim
- Vent Window Frame & Assemblies
- Well Liner
- Window Regulators
- Window Repair Parts
- Windows & Frames & Assemblies & Channels
- Windshield Trim
- CORNERING LIGHT
- CORES FOR SALE
- CRUISE CONTROL
- DEALERSHIP ITEMS
- DECALS (TAGS & INSTRUCTIONS)
- DIFFERENTIAL / REAR AXLE
- DOOR / DOOR SILL PLATES
- Arm Rest
- Cap Top Interior
- Control Remote Door Lock [GR 10.500]
- Door Check [GR 10.455]
- Door Edge Guards [GR 10.352]
- Door Hinge [GR 10.460]
- Door Panel
- Exterior Handles
- Exterior Handles & Escutcheon Plates & Ferrules
- Interior Handles & Pulls & Caps [GR 14.691]
- Lock Actuator & Assemblies [GR 10.485]
- Lock Knob [GR 10.515 / 10.559]
- Lock Mechanism & Striker Plates
- Sill Plates / Step Plates
- Vacuum Lock Valve [GR 10.485]
- Window Stop [GR 10.716]
- DRIVE LINE
- ELECTRICAL
- Alternator
- Anti-Theft Alarm
- Battery
- Bulbs
- Circuit Breaker
- Computer Control Module
- Dash Printed Circuit Boards [GR 9.744 / GR 7.5810]
- Distributor
- Flasher
- Fuse Block [GR 2.483]
- Gauges (Amp: Fuel & Temp) [GR 3.108 / GR 1.148]
- Generator (Brushes & Bracket) [GR 2.277] & More
- Ground Straps
- Ignition
- Power Supply Module
- Relays
- Starter
- Voltage Regulators (GR 2.500 / GR 7.0460)
- Wiring Harness & Plugs & Sockets
- EMBLEMS & SCRIPTS
- ENGINE ITEMS
- Air Cleaner Assemblies {GR 12.1140} & [GR 3.402]
- Bearings
- Belts
- Camshaft
- Check Valve GR 3.278
- Connecting Rods
- Crank
- Crank Case Breather Pipe [GR 1.762]
- Cylinder Head
- Dip Stick
- Distributors & Caps & Vacuum Advance [GR 7.0580]
- ECM (Engine Control Module) [GR 3.670]
- Emissions
- Engine Rebuild Kits
- Filters (Air Cleaner & Oil)
- Freeze Plugs
- Gaskets
- Gears (Cam & Timing) [GR 0.728]
- Ground Straps
- Harmonic Balancer [GR 0.659]
- Ignition Coil
- Lifters [GR 0.459]
- Manifold
- Misc
- Mounts
- Oil Filler Tube & Cap
- Oil Filter Assembly & Bracket [GR 1.835] {GR 8.2952}
- Oil Pan Baffle [GR 1.430]
- Oil Pan & Plugs [GR 1.426]
- Oil Pump & Rebuild Kits [GR 1.653 / GR 8.3670]
- Oil Pump Strainer Screen Pick Up (Floating Type) [GR 1.656 / GR 8.3889]
- Paint
- PCV Valve
- Pistons & Rings
- Pulley
- Push Rods
- Retainer Spark Plug Wires [GR 2.251]
- Rocker Arms & Shafts
- Seals
- Senders Sensors Switches
- Struts
- Timing Chain
- Timing Cover (GR 0.206)
- Torque Struts
- Tune Up Items
- Valve Cover [GR 0.386]
- Valves (Intake & Exhaust & Springs & Keepers)
- Water Pump
- EXHAUST
- EXPLODED VIEWS (MASTER PARTS BOOK)
- FENDER SKIRTS & BRACKETS
- FIREWALL INSULATORS
- FOG LIGHTS
- FUEL & CARBURETION & EMISSIONS
- Air Cleaner [GR 3.402 / GR 12.1140]
- Air Injection
- Brackets
- Carburetor & Related Carburetor Items
- Dash Pot (Check Valve) [GR 3.440 / GR 12.1067]
- Duct
- Emission & EGR
- Fast Idle [GR 8.766]
- Fuel Injector
- Fuel Filler Door & Housings [GR 12.945]
- Fuel Filters & Assemblies & Gaskets [GR 3.890 / GR12.4150]
- Fuel Gas Tank Extension Filler Tube [GR 3.003]
- Line (Fuel)
- Fuel Pumps & Push Rod [GR 3.900 / GR 12.3955]
- Fuel Tanks & Sending Units [GR 3.001 / GR 3.110]
- Gas Caps [GR 3.028 ]
- Gauge [GR 3.108 / GR 12.3125]
- Miscellaneous
- Return Lines
- Sensor
- Switch
- GASKETS
- GLASS
- GRILLE
- HEADLIGHT
- HEATING
- HOOD
- HORN [GR 2.801]
- HUB CAPS & WHEEL COVERS [GR 5.858 / GR 22.0515]
- INTERIOR
- Ashtray & Parts & Assemblies [GR 9.709]
- Carpet
- Dash Items
- Door
- Foot Rest Rear Compartment GR 11.620
- Garage Door Opener Power Kit [GR 9.774]
- Headliner
- Interior Replacement Panels
- Kick Panels & Grills
- Levers & Knobs
- Lighting
- Package Tray
- Pedals
- Rear Side Panels & Trim
- Seat [GR 11.558 / GR 34.0620]
- Seat Belts
- Steering Column & Attached Parts
- Strap Assist Rear Quarter [GR 15.390]
- Sunroof [GR 14.555]
- Sun Visor & Brackets
- Wood Grain Replacement Sets
- LENS
- LICENSE PLATE
- LOCKS & KEY BLANKS
- MANUALS & LITERATURE
- MIRROR
- MOLDINGS & TRIM & BEZELS
- MOTORS & CYLINDERS & TRANSMISSIONS
- MOUNTS
- NORS (NEW OLD REPLACEMENT STOCK)
- NOS (NEW OLD STOCK)
- PARKING & SIDE MARKER & TURN SIGNAL HOUSINGS & PARTS
- RADIOS & ANTENNAS & PARTS
- REPAIR PANELS & SHEET METAL
- RESTORATION SUPPLIES
- RIMS & WHEELS (STEEL - WIRE - SABRE) & MORE
- RUBBER WEATHERSTRIPPING
- SEALS
- SUSPENSION ITEMS
- Air Suspension
- Axle
- Ball Joint
- Control Arm & Parts
- Eccentric Bushings
- Electric Suspension Control Module [GR 7.450]
- Front End Kits
- Front Hub Assembly [GR 6.307]
- Master Rebuild Kits
- Pivot Pin
- Rear End Kits
- Rear Upper Yoke (Wishbone)
- Sensor
- Shackle & Shackle Bushings
- Shock Absorbers
- Springs - Coil & Leaf
- Stabilizers & Link Kits
- Strut Rod & Bushings
- Sway Bar
- Trailing Arm
- STEERING
- Belts
- Bolt - Cover - Plate - Rod & Rack - Spring - Washer - Steering Column Lock [GR 6.500]
- Box & Rebuild Kits
- Center Link & Rebuild Kits [GR 6.870 / GR 18.1375]
- Couple & Flange [GR 6.525]
- CV Axle, Joint Boot & Kits
- Damper & Stabilizer
- Idler Arm & Bushings
- Key - Ignition Switch Actuator Rack [GR 2.195]
- King Pin Sets
- Kits
- Knuckle Arm [GR 1.0413]
- Pitman Arm [GR 6.859]
- Spindle [GR 6.020]
- Steering Pump & Parts [GR 6.606]
- Valves
- Steering Shaft [GR 6.521]
- Switch
- Tie Rod Inner & Outer [GR 6.230 / GR 18.1520 / GR 6.233 / GR 18.1540]
- SWITCH
- Anti-Theft Alarm [GR 2.195]
- A/C & Heating
- Antenna
- Back Up Light [GR 2.698 / GR 14.1439]
- Brake Light & Stop Light [GR 2.447 / GR 14.2080]
- Convertible Top
- Cruise Control
- Cruise Control Brake Light [GR 3.887 / GR 12.1495]
- Defogger & Defroster
- Courtesy & Dome Light
- Door Jam
- Door Lock Switch [GR 10.485 / GR 10.777]
- Fog Light [GR 2.485]
- Fuel Economy Indicator Switch [GR 9.755]
- Glove Box Light
- Hazard Lights [GR 2.575]
- Headlight
- Ignition [GR 2.188 / GR 7.1875]
- Low Brake Light Warning [GR 4.874]
- Map Light [GR 10.275]
- Neutral Safety [GR 4.054]
- Oil Pressure
- Ported Vacuum
- Power Steering
- Radio Foot GR 9.650 & GR 60.0625
- Seat [GR 11.558 / GR 34.0620]
- Speed Controlled Spark [GR 4.075]
- Starter Button
- Starter Solenoid
- Sunroof
- Temperature [GR 1.150]
- Thermo Vacuum [GR 3.681]
- Transmission Kick Down [GR 4.057]
- Transmission Speed Control [GR 4.075]
- Twilight Sentinel [GR 2.485]
- Turn Signal [GR 2.895 / GR 14.2172]
- Trunk Power Unit (In Glove Box) [GR 31.5165]
- Trunk Pull Down Switch [GR 12.243]
- Vent Window [GR 31.1500]
- Window [GR 10.777]
- Window Lockout Switch
- Wiper [GR 10.163 / GR 38.6070]
- TRANSMISSION
- Adapter Plates & Kits
- Bands
- Bearings
- Bushings & Washers
- Clutch Cone [GR 4.189]
- Clutch Pressure Plate
- Cooler GR [4.128]
- Countershaft [GR 4.428 & Gr 20.8535]
- Crossmember Transmission Mount Support
- Dip Stick & Tube [GR 4.133 / GR 20.0060]
- Filters
- Flexplate & Flywheel [GR 0.666 GR 8.0931]
- Gaskets
- Governor
- Inside Throttle Control [GR 4.278]
- Kick Down Switch
- Lines & Hoses
- Main Shaft [GR 4.172]
- Modulator
- Mount
- Pans & Covers
- Rebuild Kits
- Rings & Clutches & Steels
- Rod (Throttle Control (TV Rod) - Carburetor To Transmission) [GR 4.500 / GR 12.2010]
- Seals
- Shift Lever
- Solenoid
- Speedometer Gear [GR 4.337 / GR 20.2605]
- Speedometer Cable
- Switch
- Torus Cover & Parts [GR 4.118]
- Tubes [GR4.222]
- Wave Spring
- Housing
- TRUNK
- WATER PUMPS
- WINDOWS (DOOR / QUARTER / VENT)
- WINDSHIELD WIPER
- Arms & Guides [GR 10.147 / GR 38.6000]
- Bezels & Escutcheons [GR 10.160]
- Blades & Refills [GR 10.146]
- Cam [GR 10.147]
- Motors & Pumps & Coordinators [GR 10.150 / GR 38.5400]
- Nut [GR 10.160]
- Relay
- Spacer [GR 10.159]
- Switch
- Transmissions [GR 10.159 GR 38.5550]
- Washer [GR 10.160]
- Washer Bottle Reservoir & Lids & Brackets & Washer Pump Kits [Bottle / Container Cover / Lid GR 10.154A GR 10.154B]
- Unidentified GM Parts & More (By Part Number)
- A/C & COOLING
- Shop By Year
- Contact us
- GIFT CARD
- Home
- Shop Parts
- A/C & COOLING
- Heater Core
