1‑800‑243‑8355
Help
Contact Us
Free Shipping
Shipping Information
Manufacturer Rebates
How To Order
Payment Options
Return Policy
FAQs
Emissions Regulations
Gift Card Balance
Sponsorship Opportunities
Company
Request Catalog
OPGI Blog
Hours & Location
History
Frequent Buyer Points
Volume Discounts
Price Match Guarantee
Kit Swap Savings
Reviews
Careers
Clearance Sale
Archives
My Account
My Orders
My Wish List
As seen on
1984
Grand National
My Garage
1
View Garage
1984
Buick
Grand National
Shop Parts
Filter Search
Shop All Parts
+ Add Vehicle
Catalogs
Cart
Have a Question?
Ask our Experts
Mon‑Fri 8:00‑4:30 PT
Experts Offline
Interior
Door Handles & Hardware
Door & Window Handles, Door Hinges
Emblems
Reproduction, Aftermarket, Kits, Hardware
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Interior Accessories
Armrests, Carpet, Flooring, Consoles, Dash, Door, Glove Box
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Mirrors & Hardware
Mirrors, Mounting Hardware
Exterior
Bed Mats & Tonneau Covers
Bed Mats & Tonneau Covers
Decals
Decals, Body Stripes, Misc
Emblems
Reproduction, Aftermarket, Kits, Hardware
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Lamps & Lenses
Headlights, Lamps, Lenses, Bulbs, Hardware
Mirrors & Hardware
Mirrors, Mounting Hardware
Wheels & Accessories
Lug Nuts, Bolts, Studs, Wheels, Accessories
Body Parts & Trim
Bumpers & Hardware
Bumpers, Hardware, Inserts, Brackets
Convertible Tops & Accessories
Tops, Moldings, Boots, Hardware
Door Handles & Hardware
Door & Window Handles, Door Hinges
Mirrors & Hardware
Mirrors, Mounting Hardware
Moldings
Front End, Rear, Side, Window, Hardware
Sheet Metal & Body Panels
Doors, Hoods, Fenders, Quarter, Trunk, Floor, Armrest
Trunk Panels & Accessories
Mats, Dividers, Hardware, Accessories
Vinyl Tops
Tops, Modlings, Clips
Window
Glass, Motors, Regulators, Hardware
Suspension & Brakes
Brake Systems
Disc, Drum, Master Cylinders, Boosters, Pumps, Valves
Chassis & Suspension
Bushings, Mounts, Chassis, Steering, Suspension
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Engine & Drivetrain
Air & Fuel Delivery
Air Cleaners, Filters, Carburetors, Pumps, Tanks, Manifolds
Cooling & Heating
Air Conditioning, Controls, Fans, Motors, Cores, Radiators, Thermostats, Heaters, Pumps, Ducts
Decals
Decals, Body Stripes, Misc
Drivetrain
Differentials, Driveshafts, Chaines, Shifters, Transmissions, Bearings, Seals
Emblems
Reproduction, Aftermarket, Kits, Hardware
Engines & Components
Belts, Pulleys, Camshafts, Heads, Oiling Systems, Engines
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Fittings & Hoses
Fittings, Clamps, Brackets, Hoses, Lines, Plugs, Tubing, Valves
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Oils, Fluids & Sealer
Oils, Fluids, Grease, Lubricants, Grease, Cleaners, Sealers, Glues
Windshield Washer
Bottles, Pumps, Arms, Motors, Switches, Hardware
Audio & Electric
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Mobile Electronics
Antennas, Radios, Speakers, GPS, iPod, Bluetooth
Tools & More
Books
Owners Manuals, Service Manuals, History
Car Care & Paint
Covers, Cleaners, Waxes, Polishes, Paints, Coatings, Dyes, Markers
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gifts & Apparel
Shirts, Jackets, Hats, Plates, Garage Decor
Tools & Shop Equipment
Brake, Electrical, Engine, Fuel, Hand, Suspension, Wheel, Tire
×
We use cookies to ensure that we give you the best experience on our website. Click
here
for more information.
Got It
250th Anniversary Sale
Save up to 20% on Restoration - use code: USA250
Home
Grand National
1984
Cooling & Heating
1984 Buick Grand National
Cooling & Heating
Categories
Air Conditioning
Climate Control Panels & Components
Fans
Heater Blower Motors
Heater Cores
Heaters
Hvac Ducts & Accessories
Oil & Fluid Coolers
Overflow Tanks & Catch Cans
Radiators
Thermostats, Housings & Fillers
Water Pumps
1984 Buick Grand National
Cooling & Heating
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
44
Performance
74
Restoration
65
Part Type
A/C Clutch Cycle Switch
1
A/C Compression Fitting Seal O-Ring
1
A/C Compressor
8
A/C Compressor Bracket
2
A/C Compressor Clutch
1
A/C Condenser
1
A/C Condenser and Evaporator Assembly
1
A/C Condenser and Receiver Drier Assembly
1
A/C Control Switch
2
A/C Evaporator Core Case Drain Tube Kit
1
A/C Evaporator Core Kit
2
A/C Receiver Drier
1
Air Distribution Duct
1
Auto Trans Oil Cooler Assembly
1
Automatic Transmission Oil Cooler Bolt
1
Auxiliary Engine Cooling Fan Switch
1
Bolt Kit
3
Cooling System Adapter
2
Electric Engine Water Pump
3
Electrical Bulkhead Connector
2
Engine Air Box Cover
1
Engine Coolant / Antifreeze
1
Engine Coolant Additive
1
Engine Coolant By-Pass Hose
2
Engine Coolant Fan Mounting Kit
1
Engine Coolant Filler Neck Cap
1
Engine Coolant Recovery Tank
2
Engine Coolant Recovery Tank Cap
2
Engine Coolant Recovery Tank Hose
1
Engine Coolant Refractometer
1
Engine Coolant Temperature Sensor
3
Engine Coolant Thermostat
2
Engine Coolant Thermostat/Water Outlet Assembly
1
Engine Coolant Water Outlet
1
Engine Coolant Water Outlet Seal
1
Engine Cooling Control Module
1
Engine Cooling Fan
2
Engine Cooling Fan Assembly
24
Engine Cooling Fan Bracket
2
Engine Cooling Fan Motor Wiring Harness
5
Engine Cooling Fan Shroud
2
Engine Cooling Fan Spacer Kit
1
Engine Water Pump
3
Engine Water Pump Assembly
1
Engine Water Pump Fitting
1
Firewall
1
Firewall Grommet
3
Firewall Plate
1
HVAC Blower Motor
2
HVAC Blower Motor Relay
1
HVAC Blower Motor Resistor
2
HVAC Control Duct Hose
14
HVAC Defrost and Heater Air Duct Hose
6
HVAC Heater Control Valve
1
HVAC Heater Core
2
HVAC Temperature Control Panel
1
Intake Manifold Fitting
1
Pigtail
1
Power Steering Line
1
Radiator
21
Radiator Cap
3
Radiator Coolant Hose
9
Radiator Drain Petcock
1
Radiator Mount Bushing
1
Radiator Support Air Deflector
1
Thermal Acoustic Insulation
1
Wheel
2
Uncategorized
11
Category
Air Conditioning
29
Climate Control Panels & Components
1
Fans
46
Heater Blower Motors
7
Heater Cores
3
Heaters
4
Hvac Ducts & Accessories
28
Oil & Fluid Coolers
1
Overflow Tanks & Catch Cans
7
Radiators
43
Thermostats, Housings & Fillers
7
Water Pumps
12
Price
$1 - $100
112
$101 - $200
23
$201 - $300
4
$301 - $400
11
$401 - up
33
Brand
AC Delco
4
Aeromotive
5
ARP
3
Be Cool
7
Champion Cooling
1
Cold Case Radiators
7
Derale
2
Eddie Motorsports
2
Edelbrock
1
Evans Coolant
3
Hedman Hedders
1
Intellitronix
1
Lokar
1
Maradyne
38
March Performance
1
Mishimoto
2
Mr. Gasket
1
NotcHead
3
Old Air Products
20
Performance by OPGI
1
RESTOPARTS
6
Tuff Stuff
8
U.S. Radiator
11
UMI Performance
1
Vintage Air
11
Weiand Performance
1
Review Rating
ooooo
ooooo
22
ooooo
ooooo
19
ooooo
ooooo
8
ooooo
ooooo
2
ooooo
ooooo
1
Not Yet Reviewed
131
Maradyne
Fan, Maradyne Champion Low Profile Series, 12" x 2.48", 1155 CFM, Reversible
ooooo
ooooo
$145.99
Maradyne
Fan, Maradyne Champion Low Profile Series, 7" x 2.48", 375 CFM, Puller
ooooo
ooooo
$106.99
Duct Hose, GM Vehicles, Heater & A/C, 5", Vinyl, 6-Foot long
ooooo
ooooo
$86.99
Maradyne
Fan, Maradyne Champion High Profile Series, 11" 225 Watt, 1455 CFM, Reversible
ooooo
ooooo
$178.99
Maradyne
Fan, Maradyne Champion Low Profile Series, 10" x 2.48", 950 CFM, Reversible
ooooo
ooooo
$138.99
Tuff Stuff
Clutch Cover, AC, Tuff Stuff, For Sanden SD508
3 Finish Options
ooooo
ooooo
From
$46.99
Maradyne
Fan, Maradyne Champion Low Profile Series, 11" x 2.48", 1110 CFM, Reversible
ooooo
ooooo
$143.99
Maradyne
Fan, Maradyne Champion Low Profile Series, 8" x 2.48", 450 CFM, Reversible
ooooo
ooooo
$121.99
Aeromotive
Adapter, Radiator Outlet, Aeromotive, 90-Degree, AN-20, Male Flare
ooooo
ooooo
$95.99
Aeromotive
Adapter, Radiator Mount, Aeromotive
ooooo
ooooo
$39.99
NotcHead
Firewall Trim Ring, Notchead, 1/2" Hose Diameter
3 Finish Options
ooooo
ooooo
From
$21.99
ARP
Bolt Set, Long Water Pump, ARP, Chevrolet V8, 5pc (SET)
4 Finish Options
ooooo
ooooo
From
$16.99
ARP
Bolt Set, Water Outlet, ARP, Chevrolet, 3pc (SET)
4 Finish Options
ooooo
ooooo
From
$7.99
SALE
Hardware, AC Box, 1978-87 El Camino (SET)
ooooo
ooooo
$25.99
Save an extra 16%
Use
USA250
at checkout
Fitting, Intake Manifold, Chrome, 1/2" NPT to 5/8" Barb
ooooo
ooooo
$6.33
Fitting, Water Pump, Chrome, 3/4"
ooooo
ooooo
$5.73
ARP
Bolt Set, Water Outlet, ARP, LS Engine, 20MM UHL, M8 Thread Size, 2pc (SET)
4 Finish Options
ooooo
ooooo
From
$6.99
Old Air Products
Swivel Fitting, GM Pad Mount, GM A6, R4 and Pro6Ten, #8 and #10 Male O-Ring
ooooo
ooooo
$42.99
Page 8 of 8 - 186 Items
«
4
5
6
7
8
Page 8 of 8 - 186 Items
«
4
5
6
7
8
Free Ground Shipping
Free Ground Shipping on orders over $299 in the contiguous United States.
Shop Clearance
Save up to 55% on huge clearance deals on hundreds of items.
Earn Points for Free Parts
Earn points for every dollar you spend with OPGI’s Frequent Buyer Rewards Program.
Price Match Guarantee
We’ll price match any currently advertised retail price offered by a retail competitor.
Select Your Vehicle
Find parts that fit your vehicle
GM Cars
GM Trucks
Make
Model
Year
Go