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
1973
Blazer
My Garage
33
View Garage
1971
Cadillac
Eldorado
Shop Parts
Filter Search
1977
Chevrolet
K30
Shop Parts
Filter Search
1972
Chevrolet
Blazer
Shop Parts
Filter Search
1987
Cadillac
Eldorado
Shop Parts
Filter Search
1979
Chevrolet
K30
Shop Parts
Filter Search
1972
Cadillac
Eldorado
Shop Parts
Filter Search
1973
Cadillac
Eldorado
Shop Parts
Filter Search
1973
Chevrolet
Blazer
Shop Parts
Filter Search
1987
Chevrolet
K30
Shop Parts
Filter Search
1963
Cadillac
60 Special
Shop Parts
Filter Search
1997
Cadillac
Eldorado
Shop Parts
Filter Search
1986
Chevrolet
Blazer
Shop Parts
Filter Search
1960
Cadillac
Eldorado
Shop Parts
Filter Search
1962
Cadillac
Eldorado
Shop Parts
Filter Search
1996
Cadillac
Eldorado
Shop Parts
Filter Search
1994
Chevrolet
Blazer
Shop Parts
Filter Search
1989
Chevrolet
Blazer
Shop Parts
Filter Search
1971
Chevrolet
Blazer
Shop Parts
Filter Search
1969
Cadillac
Eldorado
Shop Parts
Filter Search
1965
Cadillac
Eldorado
Shop Parts
Filter Search
1990
Cadillac
Eldorado
Shop Parts
Filter Search
1966
Pontiac
Tempest
Shop Parts
Filter Search
1976
Cadillac
Eldorado
Shop Parts
Filter Search
1985
Buick
T-Type
Shop Parts
Filter Search
1983
Chevrolet
Blazer
Shop Parts
Filter Search
1961
Pontiac
Tempest
Shop Parts
Filter Search
1986
Buick
T-Type
Shop Parts
Filter Search
1965
Pontiac
Tempest
Shop Parts
Filter Search
2012
Cadillac
Escalade
Shop Parts
Filter Search
2007
Cadillac
Escalade
Shop Parts
Filter Search
1969
Pontiac
Tempest
Shop Parts
Filter Search
1984
Buick
T-Type
Shop Parts
Filter Search
1971
Chevrolet
K20
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
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
Decals
Decals, Body Stripes, Misc
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
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
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
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
Everyday Free Shipping!
Free standard ground shipping on orders over $299
Home
Blazer
1973
Cooling & Heating
1973 Chevrolet Blazer
Cooling & Heating
Categories
Air Conditioning
Fans
Heater Blower Motors
Heater Cores
Heaters
Hvac Ducts & Accessories
Overflow Tanks & Catch Cans
Radiators
Thermostats, Housings & Fillers
Water Pumps
1973 Chevrolet Blazer
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
42
Performance
47
Restoration
36
Part Type
A/C Charging Valve Cap
1
A/C Compressor
8
A/C Compressor and Condenser Kit
2
A/C Compressor Bracket
2
A/C Condenser and Evaporator Assembly
1
A/C Control Switch
1
A/C Evaporator Bezel
2
A/C Evaporator Core Kit
2
Alternator Bracket
1
Cooling System Adapter
2
Dash Face Vents Duct
1
Electric Engine Water Pump
5
Engine Coolant Fan Mounting Kit
1
Engine Coolant Recovery Tank
1
Engine Coolant Recovery Tank Hose
1
Engine Coolant Temperature Sensor
3
Engine Coolant Thermostat
4
Engine Coolant Thermostat/Water Outlet Assembly
1
Engine Cooling Control Module
1
Engine Cooling Fan Assembly
22
Engine Cooling Fan Bracket
2
Engine Cooling Fan Motor Wiring Harness
5
Engine Cooling Fan Spacer Kit
2
Engine Water Pump
8
Engine Water Pump Assembly
1
Firewall Grommet
3
HVAC Blower Motor
1
HVAC Control Duct Hose
14
HVAC Defrost and Heater Air Duct Hose
5
HVAC Heater Core
2
HVAC Heater Hose Bracket
1
Pigtail
1
Radiator
6
Radiator Auxiliary Cooling Module Electric Fan
2
Radiator Cap
1
Radiator Coolant Hose
4
Radiator Fan Relay Kit
1
Radiator Mount Bushing
2
Radiator Surge Tank
1
Thermal Acoustic Insulation
1
Category
Air Conditioning
18
Fans
40
Heater Blower Motors
1
Heater Cores
3
Heaters
1
Hvac Ducts & Accessories
25
Overflow Tanks & Catch Cans
3
Radiators
13
Thermostats, Housings & Fillers
5
Water Pumps
16
Price
$1 - $100
64
$101 - $200
29
$201 - $300
3
$301 - $400
7
$401 - up
22
New Arrival
New
9
Brand
AC Delco
2
Aeromotive
7
Cold Case Radiators
1
Eddie Motorsports
2
Energy Suspension
1
Lokar
1
Maradyne
37
NotcHead
3
Old Air Products
16
Performance by OPGI
1
RESTOPARTS
2
Tuff Stuff
16
U.S. Radiator
7
Vintage Air
11
Review Rating
ooooo
ooooo
16
ooooo
ooooo
10
ooooo
ooooo
3
ooooo
ooooo
1
Not Yet Reviewed
95
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 1-½", Cloth, 6-Foot long
ooooo
ooooo
$49.99
Radiator Hose, 24", Chrome Caps, Stainless Steel
ooooo
ooooo
$63.99
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 3-1/4", Cloth, 6-Foot Long
ooooo
ooooo
$78.99
Tuff Stuff
AC Compressor, Tuff Stuff, Sanden SD508 Style, R-134A, 2V-Groove Pulley
7 Finish Options
ooooo
ooooo
From
$419.99
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 4", Vinyl, 6-Foot Length
ooooo
ooooo
$34.99
NEW
Heater Core, Aluminum, 1973-87 GM Trucks, 73-91 Suburban & Blazer, w/o AC
ooooo
ooooo
$49.99
Fan Spacer, 1969+ GM Models, 1"
ooooo
ooooo
$51.99
Thermostat, 195-Degree, High-Flow, Stainless Steel
ooooo
ooooo
$11.99
Tuff Stuff
Water Pump, Tuff Stuff Aluminum, Chev SB Long Pump, SuperCool Smoothie
5 Finish Options
ooooo
ooooo
From
$189.99
U.S. Radiator
Radiator, Std Core, 70-74 CAD, 75-76 CUT, 73-77 Truck, V8/AT, 4-Row, 3-1/2" Mnts
4 Transmission/Type Options
ooooo
ooooo
From
$789.99
Maradyne
Fan, Electric, Maradyne Jetstreme II, Dual, 26" x 3.23", 2310 CFM, 14.4-amp
2 Included Options
ooooo
ooooo
From
$341.99
Maradyne
Fan, Electric, Maradyne Jetstreme II, Dual, 27" x 16.3", 3400 CFM, 28.5-Amp
2 Type Options
ooooo
ooooo
From
$481.99
AC Delco
Duct Hose, GM Vehicles, Heater & A/C, 3-1/2", Vinyl, 6-Foot Length
ooooo
ooooo
$59.99
Vintage Air
Bracket Set, AC Compressor, 1969+ SBC Long Pump, Passenger Side Mount (SET)
ooooo
ooooo
$129.99
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 2-3/4", Cloth, 6-Foot Long
ooooo
ooooo
$67.99
Vintage Air
HVAC Louver Bezel, Under Dash, Vintage Air Slimline, Round (SET)
2 Finish Options
ooooo
ooooo
$23.99
Tuff Stuff
AC Compressor, Tuff Stuff, Sanden SD7 Style, R-134A, 6-Groove Pulley
5 Finish Options
ooooo
ooooo
From
$399.99
AC Delco
Duct Hose, GM Vehicles, Heater & A/C, 1-1/2", Vinyl, 6-Foot Long
ooooo
ooooo
$58.99
Maradyne
Fans, Maradyne Mach 2, Dual 11", Side Flanges
ooooo
ooooo
$346.99
Maradyne
Sending Unit, Temperature, Maradyne, 185-Degree
ooooo
ooooo
$29.99
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 2-1/2", Cloth, 6-Foot Long
ooooo
ooooo
$63.99
Maradyne
Sending Unit, Temperature, Maradyne, 195-Degree
ooooo
ooooo
$29.99
NEW
U.S. Radiator
Radiator, Std Core, 1973-77 GM Truck/SUB/Blazer/Jimmy, 6Cyl, w/Factory 2" Core
6 Transmission/Rows Options
ooooo
ooooo
From
$672.99
Tuff Stuff
Water Pump, Tuff Stuff Cast Iron, Chevy SB Long Pump, SuperCool Flow
6 Finish Options
ooooo
ooooo
From
$139.99
Page 2 of 6 - 125 Items
«
1
2
3
4
5
»
Page 2 of 6 - 125 Items
«
1
2
3
4
5
»
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