Please finalize your shopping cart. Scheduled maintenance will begin at 1 AM PT, and will last 30 minutes.
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
1966
LeMans
My Garage
1
View Garage
1966
Pontiac
LeMans
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
Vinyl Tops
Tops, Modlings, Clips
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
Ends Tonight!
Save up to 20% on Restoration - use code: USA250
Home
LeMans
1966
Drivetrain
Transmissions
1966 Pontiac LeMans
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
38
Performance
135
Restoration
53
Part Type
Accelerator Cable
1
Auto Trans Dipstick
7
Auto Trans Filter Kit
1
Auto Trans Flexplate Shield
1
Auto Trans Kickdown Cable
3
Auto Trans Lock-Up Torque Converter Control
2
Auto Trans Lock-Up Torque Converter Switch
1
Auto Trans Modulator Valve
1
Auto Trans Mount
1
Auto Trans Oil Cooler Assembly
1
Auto Trans Shift Linkage Clip
1
Auto Trans Shift Rod Joint
2
Auto Trans Shifter Cable
1
Auto Trans Torque Converter Dust Cover
2
Automatic Dual Clutch Transmission Mount
1
Automatic Transmission Adapter Plate Kit
3
Automatic Transmission Cable Bracket
2
Automatic Transmission Case Locator Pin
1
Automatic Transmission Harness Clip
1
Automatic Transmission Input Shaft Bearing Retaining Ring
1
Automatic Transmission Oil Cooler Coolant Line Fitting
1
Automatic Transmission Range Selector Lever
1
Automatic Transmission Torque Converter Cover
2
Bolt Kit
29
Clutch Bellcrank Bracket
2
Clutch Bellcrank Clip
1
Clutch Bellcrank Felt
1
Clutch Flywheel
18
Clutch Flywheel Bolt Set
9
Clutch Flywheel Counterweight
2
Clutch Flywheel Ring Gear Spacer
1
Clutch Fork
1
Clutch Fork Ball Stud
6
Clutch Fork Boot
1
Clutch Kit
18
Clutch Pilot Bearing
1
Clutch Pressure Plate and Disc Set
5
Clutch Pressure Plate Bolt
2
Clutch Push Rod
1
Clutch Push Rod Boot
1
Clutch Release Bearing
1
Clutch Spring
1
Firewall
1
Firewall Plate
3
Manual Trans Assembly
9
Manual Trans Rebuild Kit
1
Manual Trans Shifter Lever Kit
19
Shift Lever Adapter
2
Speedometer Cable
2
Speedometer Cable Seal
1
Speedometer Retainer
1
Steering Column Shift Mechanism
1
Stud
1
Transmission Bell Housing
6
Transmission Control Module
1
Transmission Crossmember
7
Transmission Crossmember Brace
6
Transmission Crossmember Bracket
2
Transmission Crossmember Insulator
1
Transmission Drop Bracket
2
Transmission Fluid Additive
1
Transmission Oil Pan
20
Transmission Oil Pan Gasket
2
Category
Accessory Bolt Kits
9
Bolts & Studs
28
Bushings & Mounts
15
Carburetor Accessories
1
Chassis Components
4
Clutch Pedals
5
Differential & Rear-End Components
3
Driveshafts, Drive Chains, Couplers & Yokes
2
Fittings
1
Gauge Accessories
1
Oil & Fluid Coolers
1
Oils, Fluids & Additives
1
Pedal Pads
1
Shifters
23
Speedometers & Tachometers
3
Throttle/Accelerator Hardware
1
Transfer Cases & Components
1
Transmissions
228
Valve Covers & Dress-Up Kits
1
Weatherstrip Seals
1
Price
$1 - $100
107
$101 - $200
24
$201 - $300
25
$301 - $400
36
$401 - up
34
New Arrival
New
6
Brand
American Powertrain
10
ARP
14
B&M
4
CPP
2
Derale
1
Edelbrock
2
FiTech
1
G Force Performance
18
Hays Inc
5
Holley
3
Lakewood
1
Lokar
25
McLeod
40
Milodon
4
Painless Performance
2
Performance by OPGI
2
PML
11
Prothane
1
RESTOPARTS
9
Shiftworks
1
Trans Dapt
1
TREMEC
6
Review Rating
ooooo
ooooo
29
ooooo
ooooo
24
ooooo
ooooo
5
ooooo
ooooo
2
ooooo
ooooo
1
Not Yet Reviewed
165
McLeod
Flywheel, Steel, Pontiac, 1961-64 326/389/421ci, 0-Bal, 166 Teeth, 30Lbs
ooooo
ooooo
$495.99
Hays Inc
Clutch Set, Classic Street, Hays, 11", 26-Spline
ooooo
ooooo
$799.99
B&M
Shield, Transmission/Flexplate, Powerglide
ooooo
ooooo
$209.99
NEW
Gasket, Transmission Pan, 700R4/4L60/4L60E/4L65E, Cork
ooooo
ooooo
$2.99
Milodon
Dipstick, Milodon, Powerglide Transmission
ooooo
ooooo
$131.99
PML
Transmission Pan, GM 2004R, Deep/2.5 Quarts Over Stock Capacity
2 Finish Options
ooooo
ooooo
From
$359.99
SALE
Retaining Locks, Front Bearing, Muncie (PAIR)
ooooo
ooooo
$11.99
Save an extra 19%
Use
USA250
at checkout
Dipstick, Transmission, Flexible, 700R4
ooooo
ooooo
$62.99
NEW
Transmission Pan, TH400, Stock Depth, Finned w/Stamped Turbo 400
2 Finish Options
ooooo
ooooo
$29.99
PML
Transmission Pan, GM TH400, Low Profile/Stock Capacity
2 Finish Options
ooooo
ooooo
From
$339.99
Holley
Bracket, Transmission Kickdown, Carburetor, 700R4/4150-60
ooooo
ooooo
$42.99
McLeod
Clutch Kit, Super Street Pro, McLeod, 1955-85 GM, 11", 26-Spline
ooooo
ooooo
$375.99
Hays Inc
Clutch Set, Classic Street, Hays, 11", 10-Spline
ooooo
ooooo
$799.99
PML
Transmission Pan, GM 2004R, Low Profile/Stock Capacity
2 Finish Options
ooooo
ooooo
From
$359.99
TREMEC
Transmission, Tremec T-56 Magnum 6-Speed 26-Spline, 2.97 1st, 0.50 6th
ooooo
ooooo
$3,699.99
PML
Transmission Pan, GM TH350, Deep/2 Quarts Over Stock Capacity
2 Finish Options
ooooo
ooooo
From
$329.99
B&M
Remote Filter Set, B&M, Transmission (SET)
ooooo
ooooo
$99.99
McLeod
Choke Ring, Flywheel, Steel, Pontiac, 2.750" OD by 2.487" ID
ooooo
ooooo
$59.99
Milodon
Dipstick, Milodon, TH350 Transmission
ooooo
ooooo
$131.99
Hays Inc
Clutch Set, Classic Street, Hays, 10.5", 26-Spline
ooooo
ooooo
$612.99
Lokar
Dipstick, Transmission, Lokar, Pan Mounted
17 Finish Options
ooooo
ooooo
From
$138.99
NEW
Transmission Pan, TH400, Extra Deep, Finned w/Stamped Turbo 350
ooooo
ooooo
$39.99
TREMEC
Transmission, Tremec TKX 5-Speed 26-spline, 3.27 1st, .72 Overdrive
ooooo
ooooo
$3,002.99
Milodon
Dipstick, Milodon, 700-R4 Transmission
ooooo
ooooo
$131.99
Page 4 of 10 - 228 Items
«
2
3
4
5
6
»
Page 4 of 10 - 228 Items
«
2
3
4
5
6
»
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