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
Cutlass
My Garage
1
View Garage
1978
Oldsmobile
Cutlass
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
Cutlass
1978
Fasteners & Hardware
1978 Cutlass
Fasteners& Hardware
Categories
Bolts & Studs
Exterior Clips & Screws
Interiors Clips & Screws
Ties & Straps
Washers & Nuts
1978 Cutlass
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
44
Performance
84
Restoration
74
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
5
Bolt Kit
66
Carburetor Stud Kit
1
Carburetor Throttle Ball Joint
1
Carburetor Throttle Stud
2
Distributor Clamp Stud
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
2
Engine Dress Up Kit
17
Engine Oil Pan Stud
1
Engine Rocker Arm Adjusting Nut
1
Engine Rocker Arm Stud
4
Engine Valve Cover Bolt Kit
2
Engine Valve Cover Stud
3
Exhaust Clamp
2
Exhaust Manifold Stud
2
Fender Bolt
1
Fuel Pump Bolt
2
Headlight Switch Nut
1
Hog Ring
1
HVAC Heater Hose Bracket
3
Molding Clip Set
5
Multi Purpose Spring Clip
1
Nut
8
Push Nut
1
Push-In Fastener
2
Radiator Coolant Hose C-Clip
1
Screw
5
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 Wiper Motor Grommet
1
Wing Nut
2
Wiring Harness Clip
2
Uncategorized
12
Category
Bolts & Studs
136
Exterior Clips & Screws
26
Interiors Clips & Screws
10
Ties & Straps
4
Washers & Nuts
31
Price
$1 - $100
183
$101 - $200
7
$201 - $300
6
$301 - $400
6
Brand
ARP
69
Comp Cams
2
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
19
TA Performance
1
Trans Dapt
6
Review Rating
ooooo
ooooo
36
ooooo
ooooo
32
ooooo
ooooo
2
ooooo
ooooo
1
Not Yet Reviewed
131
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
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
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
Eddie Motorsports
Accent Washer, Billet Aluminum, 1/4" x 1-1/4", Counter Sunk
3 Finish Options
ooooo
ooooo
$6.99
SALE
RESTOPARTS
Bolt Kit, Motor Mount, 7/16" X 4"
ooooo
ooooo
$9.99
Save an extra 19%
Use
USA250
at checkout
SALE
CPP
Studs, Rear Shock Mounting, 1959-88 All, Pair (PAIR)
ooooo
ooooo
$25.99
Save an extra $1.10
Use
USA250
at checkout
SALE
RESTOPARTS
Bolt, Fender to Body, 1978-87 G-Body
ooooo
ooooo
$0.99
Save an extra 17%
Use
USA250
at checkout
KIT
Push In Nut Kit, Size #8, #10, 12pc (KIT)
ooooo
ooooo
$8.99
Discounted Kit
Save 18% with this bundle
SALE
General Motors
Screw, Headlamp Retaining Ring, 1976-88
ooooo
ooooo
$7.99
Save an extra $0.33
Use
USA250
at checkout
ARP
Bolt Set, Long Water Pump, ARP, Chevrolet V8, 5pc (SET)
4 Finish Options
ooooo
ooooo
From
$16.99
SALE
RESTOPARTS
Lens Screw, 1954-88 GM, 3/4"
ooooo
ooooo
$1.99
Save an extra 16%
Use
USA250
at checkout
SALE
Screws, Wiper Transmission Post Mount, 1964-72 A-Body/1978-88 G-Body (SET)
ooooo
ooooo
$14.99
Save an extra 8%
Use
USA250
at checkout
KIT
Push In Nut Kit, 1/4"X20, 12pc (KIT)
ooooo
ooooo
$6.00
Discounted Kit
Save 25% with this bundle
ARP
Bolt Set, Fuel Pump Mount, ARP, Chevrolet V8 (SET)
4 Finish Options
ooooo
ooooo
From
$8.99
SALE
RESTOPARTS
Lens Screw, 1954-88 GM, 1"
ooooo
ooooo
$1.99
Save an extra 12%
Use
USA250
at checkout
KIT
#10-24, 1/8", And 3/16" Speed Nut Kit, 30-Piece (KIT)
ooooo
ooooo
$24.99
Discounted Kit
Save 11% with this bundle
Page 2 of 9 - 204 Items
«
1
2
3
4
5
»
Page 2 of 9 - 204 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