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
1978
Monte Carlo
My Garage
50
View Garage
1978
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1939
Cadillac
Series 67
Shop Parts
Filter Search
1961
Chevrolet
K20
Shop Parts
Filter Search
1999
Cadillac
DeVille
Shop Parts
Filter Search
1993
Cadillac
Eldorado
Shop Parts
Filter Search
1971
Cadillac
Fleetwood
Shop Parts
Filter Search
1970
Chevrolet
C20
Shop Parts
Filter Search
1968
Buick
Skylark
Shop Parts
Filter Search
1964
Oldsmobile
Cutlass
Shop Parts
Filter Search
1973
Chevrolet
Chevelle
Shop Parts
Filter Search
1963
Buick
Skylark
Shop Parts
Filter Search
1951
Cadillac
Series 63
Shop Parts
Filter Search
1972
Buick
Riviera
Shop Parts
Filter Search
1981
Buick
Regal
Shop Parts
Filter Search
2006
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1963
Cadillac
60 Special
Shop Parts
Filter Search
1966
Pontiac
Grand Prix
Shop Parts
Filter Search
1969
Chevrolet
C10
Shop Parts
Filter Search
1976
Buick
Riviera
Shop Parts
Filter Search
1937
Cadillac
Series 65
Shop Parts
Filter Search
1982
Cadillac
60 Special
Shop Parts
Filter Search
1967
Cadillac
DeVille
Shop Parts
Filter Search
1986
Oldsmobile
Cutlass
Shop Parts
Filter Search
1965
GMC
K15/K1500
Shop Parts
Filter Search
2006
Cadillac
Escalade
Shop Parts
Filter Search
1966
Chevrolet
C10
Shop Parts
Filter Search
1967
Buick
Riviera
Shop Parts
Filter Search
1996
Cadillac
Seville
Shop Parts
Filter Search
1945
Cadillac
60 Special
Shop Parts
Filter Search
1979
Chevrolet
K20
Shop Parts
Filter Search
1970
Pontiac
LeMans
Shop Parts
Filter Search
2014
Cadillac
ATS
Shop Parts
Filter Search
1988
Cadillac
DeVille
Shop Parts
Filter Search
1997
Cadillac
Eldorado
Shop Parts
Filter Search
1939
Cadillac
Series 63
Shop Parts
Filter Search
1977
GMC
Sprint
Shop Parts
Filter Search
1968
Pontiac
Catalina
Shop Parts
Filter Search
2006
Cadillac
STS
Shop Parts
Filter Search
1991
Cadillac
Eldorado
Shop Parts
Filter Search
2017
Cadillac
ATS
Shop Parts
Filter Search
1966
Oldsmobile
Cutlass
Shop Parts
Filter Search
1982
GMC
Caballero
Shop Parts
Filter Search
2000
Cadillac
Seville
Shop Parts
Filter Search
1939
Cadillac
Series 75
Shop Parts
Filter Search
1965
Cadillac
Eldorado
Shop Parts
Filter Search
1994
Cadillac
Seville
Shop Parts
Filter Search
2010
Cadillac
CTS
Shop Parts
Filter Search
1964
Buick
Skylark
Shop Parts
Filter Search
2012
Chevrolet
Malibu
Shop Parts
Filter Search
1952
Cadillac
Series 62
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
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
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
Monte Carlo
1978
Fasteners & Hardware
1978 Monte Carlo
Fasteners& Hardware
Categories
Bolts & Studs
Exterior Clips & Screws
Interiors Clips & Screws
Ties & Straps
Washers & Nuts
1978 Monte Carlo
Fasteners & Hardware
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
46
Performance
98
Restoration
87
Part Type
Alternator Nut
1
Auto Trans Shift Linkage Clip
1
Automatic Transmission Harness Clip
1
Automatic Transmission Kickdown Linkage
1
Automatic Transmission Modulator Cable Clip Nut
1
Axle Nut
1
Banjo Screw and Fitting
2
Battery Ground Strap
1
Body A-Pillar Trim Panel Clip
2
Bolt
6
Bolt Kit
75
Carburetor Stud Kit
2
Carburetor Throttle Ball Joint
1
Carburetor Throttle Stud
2
Distributor Clamp Stud
1
Door Hinge Bolt
1
Door Hinge C-Clip
1
Door Lock Striker Plate Washer
1
Door Panel Insert Clip
1
Door Sill Plate Screw
1
Engine Bolt Kit
1
Engine Crankshaft Main Bearing Cap Stud
1
Engine Cylinder Head Stud Girdle
3
Engine Dress Up Kit
18
Engine Oil Pan Stud
2
Engine Rocker Arm Adjusting Nut
1
Engine Rocker Arm Stud
5
Engine Valve Cover Bolt Kit
2
Engine Valve Cover Stud
5
Exhaust Clamp
2
Exhaust Manifold Bolt
1
Exhaust Manifold Stud
3
Fender
1
Fender Bolt
1
Fuel Pump Bolt
2
Headlight Switch Nut
1
Hog Ring
1
HVAC Heater Hose Bracket
3
HVAC Unit Case Washer
1
Intake Manifold Bolt
1
Molding Clip Set
5
Moulding Clip
2
Multi Purpose Spring Clip
1
Nut
8
Push Nut
1
Push-In Fastener
2
Radiator Coolant Hose C-Clip
1
Screw
6
Screw Set
1
Seat Hinge Washer
1
Shock Mounting Kit
1
Speed Nut
3
Speedometer Cable Clip
1
Stud
2
Suspension Shock Absorber Stud
1
Suspension Trailing Arm Bolt
1
Transmission Bell Housing Stud
1
Upholstery Tool
2
Washer
9
Wheel Hub Stud
2
Wheel Lug Nut
3
Wheel Lug Nut Set
1
Windshield Molding Clip
1
Windshield Wiper Motor Grommet
1
Wing Nut
2
Wiring Harness Clip
2
Uncategorized
14
Category
Bolts & Studs
158
Exterior Clips & Screws
31
Interiors Clips & Screws
11
Ties & Straps
5
Washers & Nuts
32
Price
$1 - $100
209
$101 - $200
9
$201 - $300
6
$301 - $400
6
$401 - up
1
Brand
ARP
82
Comp Cams
3
CPP
3
Eddie Motorsports
9
Edelbrock
5
General Motors
2
Holley
4
Milodon
2
Morris Classic Concepts
4
Mr. Gasket
1
NotcHead
8
Performance by OPGI
2
RESTOPARTS
23
TA Performance
1
Trans Dapt
7
Review Rating
ooooo
ooooo
41
ooooo
ooooo
39
ooooo
ooooo
3
ooooo
ooooo
1
Not Yet Reviewed
147
KIT
RESTOPARTS
Assorted Barrel Nut Kit Set Of 45 (KIT)
ooooo
ooooo
$23.99
Discounted Kit
Save 11% with this bundle
Eddie Motorsports
Accent Washer, Billet Aluminum, 1/4" x 7/8", Dome
3 Finish Options
ooooo
ooooo
From
$4.99
Eddie Motorsports
Accent Washer, Billet Aluminum, 1/4" x 7/8", Flat
3 Finish Options
ooooo
ooooo
From
$4.99
ARP
Bolt Set, Engine & Accessory, ARP, Small Block Chevrolet (SET)
4 Finish Options
ooooo
ooooo
From
$125.99
Eddie Motorsports
Accent Washer, Billet Aluminum, 5/16" x 1", Flat
3 Finish Options
ooooo
ooooo
From
$6.99
KIT
1/2" Molding Clip Set Of 10 (KIT)
ooooo
ooooo
$25.99
Discounted Kit
Save 13% with this bundle
SALE
RESTOPARTS
Screw/Rubber Grommet, Wiper Motor, 1959-88 GM, Set (SET)
ooooo
ooooo
$16.99
Save an extra 19%
Use
USA250
at checkout
SALE
RESTOPARTS
Retaining Clip, Lock Rod, 1968-81 GM A-Body / G-Body
ooooo
ooooo
$8.99
Save an extra 12%
Use
USA250
at checkout
SALE
RESTOPARTS
Nut, Headlight Switch, 59-92 GM
ooooo
ooooo
$8.46
Save an extra 13%
Use
USA250
at checkout
KIT
7/16" Plastic Molding Clip Set Of 10 (KIT)
ooooo
ooooo
$6.47
Discounted Kit
Save 13% with this bundle
SALE
Clip, Door Panel, 1978-88 G-Body, GM
ooooo
ooooo
$5.04
Save an extra 14%
Use
USA250
at checkout
Retainer Clip, Hood Latch Rod, 1959-77 Door Rod & 1968-70 GTO/1968-72 Cutlass
ooooo
ooooo
$5.99
Eddie Motorsports
Accent Washer, Billet Aluminum, 5/16" x 1-1/4", Counter Sunk
3 Finish Options
ooooo
ooooo
$6.99
KIT
Clip, Molding, Universal, 3/4" Plastic, Set of 10 (KIT)
ooooo
ooooo
$6.47
Discounted Kit
Save 13% with this bundle
KIT
RESTOPARTS
Bolt Kit, Motor Mount, 7/16" X 4", Pair (SET)
ooooo
ooooo
$18.99
Discounted Kit
Save 5% with this bundle
KIT
Clip, Molding, Universal, 5/16" Plastic, Set of 10 (KIT)
ooooo
ooooo
$7.40
Discounted Kit
Save 17% with this bundle
SALE
Mounting Studs, Rear Speaker, 1964-81 A/G-Body, 4pcs (SET)
ooooo
ooooo
$19.99
Save an extra 6%
Use
USA250
at checkout
Performance by OPGI
Hardware, Trailing Arm, 1964-87 GM (KIT)
ooooo
ooooo
$26.99
ARP
Bolt Set, Header, ARP, BBC, 3/8" Thread Size, 0.750" UHL, 16pc (SET)
4 Finish Options
ooooo
ooooo
From
$23.99
SALE
Stud Kit, Exhaust Manifold, OEM Style
ooooo
ooooo
$28.99
Save an extra 18%
Use
USA250
at checkout
Eddie Motorsports
Accent Washer, Billet Aluminum, 3/8" x 1-1/4", Counter Sunk
3 Finish Options
ooooo
ooooo
$6.99
Eddie Motorsports
Accent Washer, Billet Aluminum, 3/8" x 1-1/8", Flat
3 Finish Options
ooooo
ooooo
From
$6.99
ARP
Bolt Set, Engine & Accessory, ARP, Big Block Chevrolet (SET)
4 Finish Options
ooooo
ooooo
From
$141.99
SALE
RESTOPARTS
Hinge Bolt, 1968-72 GM A Body/Bonn/Cat/GP, Hinge To Door
ooooo
ooooo
$2.19
Save an extra 15%
Use
USA250
at checkout
Page 2 of 10 - 233 Items
«
1
2
3
4
5
»
Page 2 of 10 - 233 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