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
1981
Bonneville
My Garage
48
View Garage
1981
Pontiac
Bonneville
Shop Parts
Filter Search
1969
Chevrolet
Chevelle
Shop Parts
Filter Search
1989
Cadillac
Seville
Shop Parts
Filter Search
1984
Oldsmobile
Cutlass
Shop Parts
Filter Search
1984
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1982
Cadillac
Seville
Shop Parts
Filter Search
1977
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1963
Cadillac
Series 75
Shop Parts
Filter Search
1965
Pontiac
LeMans
Shop Parts
Filter Search
1973
Cadillac
Series 62
Shop Parts
Filter Search
1981
Oldsmobile
Cutlass
Shop Parts
Filter Search
1972
GMC
K25/K2500
Shop Parts
Filter Search
1964
Buick
Skylark
Shop Parts
Filter Search
1985
Chevrolet
El Camino
Shop Parts
Filter Search
1985
Cadillac
Eldorado
Shop Parts
Filter Search
1960
Chevrolet
Corvair
Shop Parts
Filter Search
1936
Cadillac
Series 60
Shop Parts
Filter Search
1965
Pontiac
Tempest
Shop Parts
Filter Search
1967
GMC
K25/K2500
Shop Parts
Filter Search
2017
Cadillac
ATS
Shop Parts
Filter Search
1998
Chevrolet
Monte Carlo
Shop Parts
Filter Search
2004
Cadillac
CTS
Shop Parts
Filter Search
1973
Cadillac
60 Special
Shop Parts
Filter Search
1980
Chevrolet
K20
Shop Parts
Filter Search
1980
Cadillac
Seville
Shop Parts
Filter Search
1976
GMC
Jimmy
Shop Parts
Filter Search
1936
Cadillac
Series 75
Shop Parts
Filter Search
1976
GMC
C35/C3500
Shop Parts
Filter Search
1974
Chevrolet
Blazer
Shop Parts
Filter Search
1937
Cadillac
Series 67
Shop Parts
Filter Search
1966
Chevrolet
Chevelle
Shop Parts
Filter Search
1965
Pontiac
GTO
Shop Parts
Filter Search
1979
Cadillac
Fleetwood
Shop Parts
Filter Search
1985
Oldsmobile
Cutlass
Shop Parts
Filter Search
2004
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1965
Chevrolet
El Camino
Shop Parts
Filter Search
1951
Cadillac
Series 75
Shop Parts
Filter Search
1972
Oldsmobile
Cutlass
Shop Parts
Filter Search
1974
Chevrolet
C20
Shop Parts
Filter Search
1982
Pontiac
Grand Prix
Shop Parts
Filter Search
1984
Cadillac
DeVille
Shop Parts
Filter Search
1946
Cadillac
Series 60
Shop Parts
Filter Search
1976
Cadillac
Eldorado
Shop Parts
Filter Search
1979
Chevrolet
C20
Shop Parts
Filter Search
1939
Cadillac
Series 75
Shop Parts
Filter Search
1987
Chevrolet
K10
Shop Parts
Filter Search
1969
Pontiac
Grand Prix
Shop Parts
Filter Search
1945
Cadillac
Series 63
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
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
Bonus! Extended! ★
Free ground shipping $99 + up to 20% Savings - use code: USA250
Home
Bonneville
1981
Drivetrain
Transmissions
1981 Bonneville
Transmissions
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
19
Performance
73
Restoration
11
Part Type
Auto Trans Lock-Up Torque Converter Switch
1
Auto Trans Mount
1
Auto Trans Shift Linkage Clip
1
Auto Trans Torque Converter Dust Cover
1
Automatic Transmission Adapter Plate Kit
2
Automatic Transmission Case Locator Pin
1
Automatic Transmission Harness Clip
1
Bolt
2
Bolt Kit
7
Clutch Bellcrank Clip
1
Clutch Flywheel
16
Clutch Flywheel Counterweight
2
Clutch Flywheel Ring Gear Spacer
1
Clutch Kit
15
Clutch Pressure Plate Bolt
1
Clutch Push Rod
1
Manual Trans Assembly
8
Manual Trans Shifter Lever Kit
19
Transmission Control Module
1
Transmission Crossmember
1
Transmission Crossmember Brace
1
Transmission Fluid Additive
1
Uncategorized
18
Category
Accessory Bolt Kits
6
Bolts & Studs
10
Bushings & Mounts
1
Clutch Pedals
1
Driveshafts, Drive Chains, Couplers & Yokes
1
Oils, Fluids & Additives
1
Pedal Pads
1
Shifters
21
Transmissions
103
Weatherstrip Seals
1
Price
$1 - $100
34
$101 - $200
12
$201 - $300
18
$301 - $400
16
$401 - up
23
Brand
American Powertrain
5
ARP
1
B&M
1
CPP
1
FiTech
1
G Force Performance
8
General Motors
1
Lokar
21
McLeod
39
Performance by OPGI
1
PML
1
RESTOPARTS
1
TREMEC
6
Review Rating
ooooo
ooooo
4
ooooo
ooooo
2
ooooo
ooooo
1
ooooo
ooooo
1
Not Yet Reviewed
95
SALE
Bolts, Flywheel to Crankshaft, 7/16"-20 X .95", 6-Piece (SET)
ooooo
ooooo
$19.99
Save an extra 11%
Use
USA250
at checkout
SALE
Ball Stud, Clutch, 1964-81, Engine Side
ooooo
ooooo
$14.99
Save an extra 15%
Use
USA250
at checkout
SALE
Ball Stud, Clutch, 1961-81 A-Body, 1960-69 Corvair, Frame Side, 3/8-16"
ooooo
ooooo
$11.99
Save an extra 19%
Use
USA250
at checkout
SALE
Seat, Clutch Ball Stud, 1960-81, Transmission Control
ooooo
ooooo
$3.99
Save an extra 19%
Use
USA250
at checkout
ARP
Bolt, Pressure Plate, ARP, Chevrolet 265-502 V8, 3/8"-16 Thread Size (SET)
2 Finish Options
ooooo
ooooo
From
$19.99
Bolt Set, Pan Cover, Hex Head, TH350/TH400 (SET)
9 Finish Options
ooooo
ooooo
From
$8.99
Retainer Clip, "G" Shaped, 1964-88, Transmission Control
ooooo
ooooo
$1.99
Bolt Set, Pan Cover, Hex Head, 700-R4/4L60E (SET)
6 Finish Options
ooooo
ooooo
From
$14.99
Bolt Set, Pan Cover, Allen Head, TH350/TH400 (SET)
7 Finish Options
ooooo
ooooo
From
$13.99
Bolt Set, Pan Cover, Allen Head, 700-R4/4L60E (SET)
5 Finish Options
ooooo
ooooo
From
$41.99
Bolt Set, Pan Cover, 12-Point, 700-R4/4L60E (SET)
ooooo
ooooo
$72.99
Bolt Set, Pan Cover, 12-Point, TH350/TH400 (SET)
ooooo
ooooo
$54.99
SALE
Bolts, Flex Plate, 6pc (SET)
ooooo
ooooo
$23.99
Save an extra 18%
Use
USA250
at checkout
SALE
Clip, "C" Shaped, Transmission Control
ooooo
ooooo
$4.32
Save an extra 20%
Use
USA250
at checkout
McLeod
Pressure Plate Bolt, McLeod, 3/8"-16 Hex Head, Black Oxide, 6pc (SET)
ooooo
ooooo
$29.99
McLeod
Flywheel Bolt, McLeod, 1/2"-20, 12-Point Head, Pontiac 326-455, 6pc (SET)
ooooo
ooooo
$39.99
McLeod
Flywheel Bolt, McLeod, 7/16"-20, 12-Point Head, Black Oxide, 6pc (SET)
ooooo
ooooo
$29.99
Lokar
Shift Control Lever Adapter, Bolt-On Orbital, TKO 500/600, TKX, AxiShift Pro (SET)
ooooo
ooooo
$198.99
McLeod
Flywheel, Aluminum, 1997-13 LS-X, 6-Bolt, 0-Bal, 168 Teeth, 15 Lbs.
ooooo
ooooo
$495.99
McLeod
Flywheel Bolt, McLeod, 11mm x 1.5mm, 12-Point Head, Black Oxide, 8pc (SET)
ooooo
ooooo
$45.99
Lokar
Shift Lever Adapter, Bolt-On Orbital, TKO 500/600, T56/TKX, AxiShift Lokar (SET)
ooooo
ooooo
$132.99
G Force Performance
Bolt, Flexplate & Flywheel, G Force, LSA/Gen V LT Engine, 6-Point Hex, 8-Piece (SET)
ooooo
ooooo
$45.99
G Force Performance
Bolt, Flexplate & Flywheel, G Force, LS Engine, 6-Point Hex, 6-Piece (SET)
ooooo
ooooo
$35.99
McLeod
Flywheel, Steel, 1997-13 LS-X, 6-Bolt, 0-Bal, 168 Teeth, 28Lbs
ooooo
ooooo
$349.99
Page 4 of 5 - 103 Items
«
2
3
4
5
»
Page 4 of 5 - 103 Items
«
2
3
4
5
»
Free Ground Shipping
Free Ground Shipping on orders over $99 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