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
Seville
My Garage
2
View Garage
1978
Cadillac
Seville
Shop Parts
Filter Search
1977
Chevrolet
K30
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
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
Wheels & Accessories
Lug Nuts, Bolts, Studs, Wheels, Accessories
Body Parts & Trim
Convertible Tops & Accessories
Tops, Moldings, Boots, Hardware
Door Handles & Hardware
Door & Window Handles, Door Hinges
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
Everyday Free Shipping!
Free standard ground shipping on orders over $299
Home
Seville
1978
Engines & Components
1978 Cadillac Seville
Engine & Component
Categories
Accessory & Engine Mounting Brackets
Accessory Bolt Kits
Belts & Pulleys
Camshafts & Valvetrains
Cylinder Heads
Engine Assemblies
Harmonic Balancers
Oiling Systems
Tools
Valve Covers & Dress-Up Kits
1978 Cadillac Seville
Engines & Components
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
61
Performance
108
Restoration
7
Part Type
Accessory Drive Belt
3
Alternator
1
Auto Trans Dipstick
1
Automatic Transmission Oil Cooler Hose Adapter
1
Bolt Kit
21
Combination Puller Tool
1
Cylinder Head Pliers
1
Engine Appearance Cover
4
Engine Block
7
Engine Camshaft Degree Wheel
2
Engine Complete Assembly
4
Engine Compression Test Gauge
1
Engine Control Module
3
Engine Crankcase Breather Cap
7
Engine Crankcase Breather Element
3
Engine Cylinder Head
9
Engine Dress Up Kit
8
Engine Harmonic Balancer
2
Engine Long Block
4
Engine Mount
1
Engine Oil Additive
1
Engine Oil Filter
1
Engine Oil Filter Remote Mounting Kit
1
Engine Oil Pan
1
Engine Oil Pressure Sensor
1
Engine Piston Installation Kit
1
Engine Pulley Kit
1
Engine Rocker Arm
1
Engine Stand
2
Engine Valve Cover
9
Engine Valve Cover Load Spreader
1
Exhaust Manifold Bolt
3
Fender Covering
4
Harmonic Balancer Puller
1
In-Car Computer
1
Multi-Purpose Hardware
2
Non-Permanent Marker
1
Nut
1
PCV Valve
3
Serpentine Belt Drive Component Kit
40
Serpentine Belt Drive Conversion Kit
13
Serpentine Belt Drive Solution Kit
1
Socket
3
Category
Accessory & Engine Mounting Brackets
2
Accessory Bolt Kits
38
Belts & Pulleys
63
Camshafts & Valvetrains
1
Cylinder Heads
9
Engine Assemblies
18
Harmonic Balancers
4
Oiling Systems
8
Tools
9
Valve Covers & Dress-Up Kits
28
Price
$1 - $100
63
$101 - $200
9
$201 - $300
2
$301 - $400
8
$401 - up
94
New Arrival
New
7
Brand
Air Flow Research
11
Blueprint Engines
7
Comp Cams
7
Eddie Motorsports
59
Edelbrock
1
Energy Suspension
1
Fender Gripper
4
G Force Performance
2
General Motors
2
GM Performance Parts
8
Hamburger's Performance
1
Lokar
14
Milodon
4
Mr. Gasket
1
NotcHead
7
PML
3
RESTOPARTS
1
Review Rating
ooooo
ooooo
6
ooooo
ooooo
2
ooooo
ooooo
1
ooooo
ooooo
1
Not Yet Reviewed
166
Air Flow Research
Breather, AFR, Valve Cover, Plain, Polished, 1" Neck
ooooo
ooooo
$29.99
Eddie Motorsports
Pulley System, S-Drive Elite, 1964-88 LS, 8-Rib, w/PS & Billet Reservoir (SET)
14 Finish Options
ooooo
ooooo
From
$3,465.99
Comp Cams
Tool, Engine Rotating
ooooo
ooooo
$47.99
Eddie Motorsports
Pulley System, S-Drive Plus, 1964-88 LS, 8-Rib, w/PS & Plastic Reservoir (SET)
14 Finish Options
ooooo
ooooo
From
$2,772.99
Hamburger's Performance
Oil Filter Relocation, Hamburger's Perf LS Swap, Billet Aluminum (SET)
3 Configuration Options
ooooo
ooooo
From
$386.99
Eddie Motorsports
Pulley System, Raven Elite S-Drive, 1964-88 LS, 6-Rib, w/PS & Plastic Reservoir (SET)
6 Finish Options
ooooo
ooooo
From
$3,179.99
Milodon
Oil Filter Mount, Milodon, LS Series, On-The-Block
ooooo
ooooo
$95.99
Eddie Motorsports
Pulley System, Raven Elite S-Drive, 1964-88 LS, 8-Rib, w/PS, w/o Reservoir (SET)
6 Finish Options
ooooo
ooooo
From
$3,548.99
Eddie Motorsports
Pulley System, S-Drive, 1964-88 LS, 6-Rib, w/PS, w/o Reservoir (SET)
14 Finish Options
ooooo
ooooo
From
$2,393.99
Eddie Motorsports
Pulley System, S-Drive, 1964-88 LS, 6-Rib, w/PS & Plastic Reservoir (SET)
14 Finish Options
ooooo
ooooo
From
$2,393.99
Eddie Motorsports
Pulley System, S-Drive, 1964-88 LS VVT, 6-Rib, w/PS & Billet Reservoir (SET)
14 Finish Options
ooooo
ooooo
From
$3,245.99
Lokar
Crate Engine, Lokar, LS3 495 HP, '62 Fuelie, SBC Style Valve Covers
2 Valve Cover Style/Engine Paint Finish Options
ooooo
ooooo
From
$27,854.99
Eddie Motorsports
Pulley System, S-Drive, 1964-88 LS VVT, 6-Rib, w/PS & Plastic Reservoir (SET)
14 Finish Options
ooooo
ooooo
From
$3,025.99
Eddie Motorsports
Pulley System, S-Drive, 1964-88 LS, 8-Rib, w/PS, w/o Reservoir (SET)
14 Finish Options
ooooo
ooooo
From
$2,772.99
Eddie Motorsports
Pulley System, S-Drive, 1964-88 LS, 6-Rib, w/AC, w/o Power Steering (SET)
7 Finish Options
ooooo
ooooo
From
$2,442.99
Eddie Motorsports
Pulley System, Raven S-Drive, 1964-88 LS, 6-Rib, w/PS, w/o Reservoir (SET)
6 Finish Options
ooooo
ooooo
From
$2,668.99
Lokar
Serpentine Pulley Set, Lokar, LS, w/ PS & AC, Black Finish (SET)
2 Belt Line Type Options
ooooo
ooooo
From
$2,377.99
Eddie Motorsports
Pulley System, Raven S-Drive, 1964-88 GM, LS, 6-Rib, w/PS & Plastic Reservoir (SET)
6 Finish Options
ooooo
ooooo
From
$2,668.99
Eddie Motorsports
Pulley System, S-Drive, 1964-88 LS, 8-Rib, w/AC, w/o Power Steering (SET)
7 Finish Options
ooooo
ooooo
From
$2,805.99
Eddie Motorsports
Pulley System, Raven S-Drive, 1964-88 LS, 8-Rib, w/PS, w/o Reservoir (SET)
6 Finish Options
ooooo
ooooo
From
$3,025.99
Eddie Motorsports
Pulley System, S-Drive, 1964-88 LS & Magnuson Blower, 8-Rib, w/AC, w/o PS (SET)
7 Finish Options
ooooo
ooooo
From
$3,405.99
Eddie Motorsports
Pulley System, Raven S-Drive, 1964-88 LS VVT, 8-Rib, w/AC, w/o PS (SET)
3 Finish Options
ooooo
ooooo
From
$3,713.99
G Force Performance
Mount, PCM/ECU/ECM, G Force, 1999-2005 Gen III LS
ooooo
ooooo
$31.99
PML
Valve Covers, LS1/LS6, Finned, w/ Holes for Breather/PCV (PAIR)
2 Finish Options
ooooo
ooooo
From
$389.99
Page 3 of 8 - 177 Items
«
1
2
3
4
5
»
Page 3 of 8 - 177 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