1966 Cadillac Eldorado Transmission Parts
Find Your Specific 1966 Cadillac Eldorado Transmission Parts
Below you will find various in-demand Cadillac Transmission Parts, components and accessories for your 1966 Eldorado. Advance Auto Parts has popular Eldorado parts like Transmission Cooler and Parts, Automatic Transmission Parts, Transmission Seals and more. You’ll also find aftermarket and OEM Transmission Parts for other Eldorado model years including
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001,
2002 and more. Select a category of 1966 Cadillac Eldorado Transmission Parts below and start saving instantly.
Popular 1966 Cadillac Eldorado Transmission Parts Categories
Essential Transmission Parts for 1966 Cadillac Eldorados
ATP – AT OIL PUMP ORING (Part No.SO-21)
from
$5.99
AT OIL PUMP ORING
B & M – Aluminum Braided Dip Stick, Fits TH-400 Transmission (Part No.22166)
from
$108.99
What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.
Product Features:
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Product Features:
- Automatic Transmission Dip Stick
National – Multi Purpose Seal (Part No.8792S)
from
$6.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
ATP – AT OIL PUMP SEAL (Part No.JO-127)
from
$15.99
AT OIL PUMP SEAL
ATP – AT FRT PUMP BUSHING (Part No.CB-30)
from
$11.99
AT FRT PUMP BUSHING
Driveworks – Auto Transmission Shift Shaft Seal (Part No.S-8792S)
ATP – AT MODULATOR VALVE (Part No.JX-76)
from
$48.99
AT MODULATOR VALVE
ATP – AT SHIFT KIT (Part No.JK-1)
from
$75.99
AT SHIFT KIT
ATP – AT OVERHAUL KIT (Part No.JGS-52)
from
$76.99
AT OVERHAUL KIT
B & M – Automatic Shifter, Magnum Grip Pro Stick with Cover (Part No.81040)
from
$529.99
The Magnum Grip Pro Stick shifter delivers rock-solid performance, mixed with clean design cues and compact size. This is why you see so many Pro Stick shifters at the race track. We start off with a heavy duty steel base with a hardened steel gate plate
Product Features:
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Product Features:
- All One-Handed
- NHRA/IHRA Reverse Lockout Meets Requirements
- Mount Directly To Floor/Chassis/Or w/Quick Release
- Ultimate For Powerglide Applications
- Lightweight Brushed Alum. Cover
ATP – AT EXT HOUSING SEAL (Part No.HO-8)
from
$11.99
AT EXT HOUSING SEAL
B & M – DEPTH PAN CHROME HP (Part No.20289)
from
$113.99
B&M Deep Transmission Pans increase the fluid capacity of your transmission, improving the cooling, allowing your transmission to work as efficiently as possible. Included drain plug, eliminates the need to drop the pan to drain the fluid.
Product Features:
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Product Features:
- Additional Oil Capacity
- More Cooling Ability
- No Dipstick Modification
- Some Include Fluid Pickup Extension
- Built-In Drain Plugs
- Chrome Plated Steel
Carquest Premium – Automatic Transmission Control Solenoid (Part No.SBA4934)
from
$21.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-32)
from
$114.99
One of the most complete rebuild kits in the automatic transmission industry today. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
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Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
ATP – AT EXT HOUSING SEAL (Part No.JO-57)
from
$7.99
AT EXT HOUSING SEAL
National – Multi Purpose Seal (Part No.4950)
from
$6.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
Felpro – AUTOMATIC TRANSMISSION OIL PAN GASKET (Part No.TOS 18697)
from
$10.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Pro-King – Automatic Transmission Remanufactured Torque Converter (Part No.GM3)
from
$204.99
Remanufactured using industry-leading techniques to assure enhanced torque performance and extended life. Each unit is harmonically balanced and leak tested with any inherent OE weaknesses corrected. Pro-King torque converters are subject to random ISO 9001 quality tests before leaving the factory.
Product Features:
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Product Features:
- Fluid Balanced
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242012)
from
$52.99
Product Features:
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- Mid-size and full-size cars, pickups
- GVWR up to 18,000 lbs.; towing up to 3,500 lbs
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
B & M – Cable Bracket (Part No.30499)
from
$28.99
Cable Bracket, GM APPLICATION: For TH400, 350, 250, 200, 700R4, 2004R transmissions.
Product Features:
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Product Features:
- Shifter Service Parts
National – Multi Purpose Seal (Part No.3543)
from
$8.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
ATP – AT SOLENOID SEAL (Part No.JO-15)
from
$3.99
AT SOLENOID SEAL
B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)
from
$109.99
This kit allows you to adjust the shift points of your transmission after it is installed in your vehicle. The Governor Recalibration Kit is very useful if you have a vehicle that is very light; has a low rear-end gear ratio.
Product Features:
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Product Features:
- Adjust Shift Points Of Transmission
- Useful For Light Vehicles
- For Low Rear End Gear Ratio
- Or Useful If It Is Conversion
Edelbrock – Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions (Part No.8026)
from
$18.99
Product Features:
See More
- Edelbrock Part # 8026 GM Transmission adapter is for use with 2004R, 700R4, 4L60 transmissions.
- This kit relocates the pin position on an Edelbrock Carburetor when hooking up to a throttle valve style transmission (700R4, 2004R, 4L60).
- The pin location is critical as the TV controls line pressure, shift points, shift firmness, and part throttle downshifts.
Felpro – Transmission Oil Pan Gasket (Part No.TOS 18621)
from
$9.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Permatex – Ultra Grey RTV Gasket Maker (9.5 oz.) (Part No.85084)
from
$32.99
OEM specified. Designed specially for high-torque and high vibration applications, like those common in import engines, this premium RTV gasket maker exceeds manufacturers’ performance requirements. Sensor-safe, low odor, and non-corrosive. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Temperature range -65ºF to 500ºF (-54 Deg. C to 260 Deg. C) intermittent.
Product Features:
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Product Features:
- Designed specially for high-torque and high vibration applications
- Maximum vibration resistance with outstanding resistance to oils, cooling and shop fluids
- OEM specified
- Low-odor, non-corrosive formula
- Temperature Range: -65 Deg. F to 500 Deg. F (-54 Deg. C to 260 Deg. C)
B & M – Cable Bracket (Part No.30498)
from
$28.99
Cable Bracket, GM (Bandit style shifters only) APPLICATION: For TH-400, 350, 250, 200, 700R4, 200-4R with 80797, 80798 or 81050 shifter.
Product Features:
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Product Features:
- Shifter Service Parts
- Steel
- Natural Finish
- Sold individually
- Replacement for Bandit shifters
Upgrade your 1966 Cadillac Eldorado with Top-Quality Transmission Parts
When it comes to maintaining or upgrading your 1966 Cadillac Eldorado, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Cadillac or enhancing its overall performance, Transmission Parts are key to keeping your Eldorado functioning at its best. At Advance Auto Parts, we offer a wide selection of 66 Transmission Parts for the 1966 Cadillac Eldorado, designed to meet your needs without breaking the bank.
From
Transmission Cooler and Part
replacements to
Automatic Transmission Parts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Transmission Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Transmission Parts for your 1966 Cadillac Eldorado at great prices.
Our Transmission Parts inventory for this model
ranges from just $2.49 to $1,150.00, with
an average price of $207.61.
Our 66 Transmission Parts in stock come from 11 trusted brands, so you’re sure to find the right part for your 1966 Cadillac Eldorado without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1966 Cadillac Eldorado, we stock popular OEM and aftermarket Transmission Parts from top names
like Permatex, Imperial, National, and more.
Permatex Transmission Parts
start at just $6.99 and boast an impressive 5 stars average rating from customers.
Imperial and National also bring quality to the table, with Transmission Parts available starting at $6.99, and at an average 4 stars rating.
With 271 customer reviews and counting, our 1966 Cadillac Eldorado Transmission Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Transmission Part upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals
and more to make sure your 1966 Cadillac Eldorado is always ready to roll. We’re committed to providing you with everything you need to keep your Eldorado in top shape, all in one place.
Start shopping confidently below for your 1966 Cadillac Eldorado!
Best-Selling Transmission Cooler and Parts for 1966 Cadillac Eldorados
Enhance the driving experience in your Cadillac with 9 quality Transmission Cooler and Part components, starting at $52.99.
Imperial – High Performance Transmission Oil Cooler (Part No.240516)
from
$85.99
Product Features:
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- Imperial high-performance transmission cooler
- Size: 3/4″ x 10″ x 15-7/8″
- SAE 45-degree fittings for maximum reliability
- Electrostatic powder-coated to prevent corrosion
- SAE 45 degree fittings for maximum reliability
- Electrostatically powder coated to prevent corrosion
- All aluminum lightweight construction
Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243007)
from
$73.99
The Imperial Maxi-Cool® XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.
Product Features:
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Product Features:
- Imperial Maxi-Cool® plate and fin transmission cooler
- Size: 3/4″ x 11″ x 7-1/2″
- Mid-size and full-size cars, pickups
- GVWR up to 20,000 lbs.; towing up to 2,500 lbs.
Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243012)
from
$81.99
Product Features:
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- Class “A” motor homes, large travel trailers, 5th-wheel trailers
- GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.241018)
from
$65.99
Product Features:
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- Imperial Econo-Kool« tube and fin transmission cooler
- Size: 3/4″ x 10″ x 15-7/8″
- Class “A” motor homes, large travel trailers, 5th-wheel trailers
- GVWR up to 26,000 lbs.; towing up to 10,000 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty (Part No.243008)
from
$80.99
Product Features:
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- Imperial Rapid-Cool« plate and fin transmission cooler
- Size: 3/4″ x 11″ x 9-1/2″
- Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
- GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
- 33% more efficient than a comparable tube and fin design
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242012)
from
$52.99
Product Features:
See More
- Mid-size and full-size cars, pickups
- GVWR up to 18,000 lbs.; towing up to 3,500 lbs
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – High Performance Transmission Oil Cooler (Part No.240514)
from
$81.99
High Performance Transmission Oil Cooler 3/4″ x 7-1/2″ x 15-1/2″. Heavy duty. Black. Imperial High Performance coolers are designed to provide outstanding cooling as well as complement other high-performance accessories.
Product Features:
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Product Features:
- Imperial high-performance transmission cooler
- Size: 3/4″ x 7-1/2″ x 15-7/8″
- SAE 45-degree fittings for maximum reliability
- Electrostatic powder-coated to prevent corrosion
Imperial – High Performance Transmission Oil Cooler (Part No.240512)
from
$67.99
Product Features:
See More
- Imperial high-performance transmission cooler
- Size: 3/4″ x 7-1/2″ x 12-1/2″
- SAE 45-degree fittings for maximum reliability
- Electrostatic powder-coated to prevent corrosion
- SAE 45 degree fittings for maximum reliability
- Electrostatically powder coated to prevent corrosion
- All aluminum lightweight construction
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242016)
from
$65.99
Product Features:
See More
- Imperial Econo-Kool« tube and fin transmission cooler
- Size: 3/4″ x 7-1/2″ x 15-7/8″
- Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
- GVWR up to 22,000 lbs.; towing up to 5,000 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Most Popular 1966 Cadillac Eldorado Automatic Transmission Parts
Customize your Cadillac with 11 Automatic Transmission Parts products
like Transmission Solenoids,
Transmission Bushings, and
Transmission Dipsticks, all
priced under $109.99.
ATP – AT SOLENOID SEAL (Part No.JO-15)
from
$3.99
AT SOLENOID SEAL
B & M – Cable Bracket (Part No.30499)
from
$28.99
Cable Bracket, GM APPLICATION: For TH400, 350, 250, 200, 700R4, 2004R transmissions.
Product Features:
See More
Product Features:
- Shifter Service Parts
B & M – Modulator (Part No.20234)
from
$43.99
B&M’s vacuum modulator is fully adjustable, this allows you to tailor your shift points to within a range of 2-4 mph. Comes preadjusted for normal shift points. For TH350 and TH400.
Product Features:
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Product Features:
- Fully Adjustable
- Allows You To Tailor Shift Points
- Comes Supplied Pre-Adjusted
Edelbrock – Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions (Part No.8026)
from
$18.99
Product Features:
See More
- Edelbrock Part # 8026 GM Transmission adapter is for use with 2004R, 700R4, 4L60 transmissions.
- This kit relocates the pin position on an Edelbrock Carburetor when hooking up to a throttle valve style transmission (700R4, 2004R, 4L60).
- The pin location is critical as the TV controls line pressure, shift points, shift firmness, and part throttle downshifts.
ATP – AT OIL PUMP ORING (Part No.SO-21)
from
$5.99
AT OIL PUMP ORING
ATP – AT MODULATOR VALVE (Part No.JX-76)
from
$48.99
AT MODULATOR VALVE
ATP – AT MODULATOR VALVE (Part No.JX-66)
from
$17.99
AT MODULATOR VALVE
ATP – AT FRT PUMP BUSHING (Part No.CB-4)
from
$10.99
AT FRT PUMP BUSHING
B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)
from
$109.99
This kit allows you to adjust the shift points of your transmission after it is installed in your vehicle. The Governor Recalibration Kit is very useful if you have a vehicle that is very light; has a low rear-end gear ratio.
Product Features:
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Product Features:
- Adjust Shift Points Of Transmission
- Useful For Light Vehicles
- For Low Rear End Gear Ratio
- Or Useful If It Is Conversion
B & M – Aluminum Braided Dip Stick, Fits TH-400 Transmission (Part No.22166)
from
$108.99
What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.
Product Features:
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Product Features:
- Automatic Transmission Dip Stick
B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)
from
$84.99
When swapping the TH400 transmission into any vehicle, this kit makes installation of the transmission’s kickdown feature a snap. This switch mounts to either a TH700R4, TH200, TH200-R4 or TH350 throttle cable bracket.
Product Features:
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Product Features:
- Allows High Speed Cruise
- Cruise In Overdrive
- Prevents Part Throttle Kickdown
- Quick Installation
Top Picks for 1966 Cadillac Eldorado Transmission Seals
Upgrade Cadillac Eldorados with top-quality Transmission Seals parts, including 6 OEM and aftermarket selections for your 1966 model.
National – Multi Purpose Seal (Part No.8792S)
from
$6.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
ATP – AT EXT HOUSING SEAL (Part No.HO-8)
from
$11.99
AT EXT HOUSING SEAL
Driveworks – Auto Transmission Shift Shaft Seal (Part No.S-8792S)
ATP – AT EXT HOUSING SEAL (Part No.JO-57)
from
$7.99
AT EXT HOUSING SEAL
Driveworks – Oil Seal (Part No.S-7038SA)
from
$6.29
Value-priced seal meets all cataloged application requirements.
Product Features:
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Product Features:
- Brand may vary by location
ATP – AT OIL PUMP SEAL (Part No.CO-4)
from
$14.99
AT OIL PUMP SEAL
In-Demand Automatic Transmission Pan and Gaskets for 1966 Cadillac Eldorados
Select from 13 premium Automatic Transmission Pan and Gaskets parts for your 1966 Cadillac Eldorado, with prices ranging from $6.99 to $259.99.
Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)
from
$11.49
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.
Product Features:
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Product Features:
- High torque and rigidity
- Sensor-safe, non-corrosive formula
- OEM specified
- Low-odor, non-corrosive formula
- Ideal for closed spaced bolt patterns
Permatex – Sensor-Safe, High Torque RTV Silicone Gasket Maker (Part No.22074)
from
$6.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.
Product Features:
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Product Features:
- High torque and rigidity
- Sensor-safe, non-corrosive formula
- OEM specified
- Low-odor, non-corrosive formula
- Ideal for closed spaced bolt patterns
Permatex – The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ (Part No.25238)
from
$19.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.
Product Features:
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Product Features:
- Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
- Sensor-safe, non-corrosive, RTV silicone
- Protects against leaks caused by vibration and thermal expansion
- Meets performance specs of OE silicone gaskets
- Quickly returns vehicle to service in just 1 minute
Felpro – Transmission Oil Pan Gasket (Part No.TOS 18621)
from
$9.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Permatex – The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ (Part No.34328)
from
$16.99
Permatex’s The Right Stuff 90 Minute Series offers the fastest return to service in a in just 90 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 90 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.
Product Features:
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Product Features:
- Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
- Sensor-safe, non-corrosive, RTV silicone
- Protects against leaks caused by vibration and thermal expansion
- Meets performance specs of OE silicone gaskets
- Quickly returns vehicle to service in just 90 minutes
Mr. Gasket – Automatic Transmission Oil Pan (Part No.9762)
from
$65.99
These pans are offered in stock depth or deep with extra capacity and available in both steel and aluminum to fit your specific needs. Includes drain plug, gasket and hardware.
Product Features:
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Product Features:
- Overall Height: 2.0″
- Stock Depth and Capacity
- Includes: Drain Plug, Washer & Gasket
Mr. Gasket – Automatic Transmission Oil Pan Gasket (Part No.8691)
from
$30.19
Made from cork/neoprene gasket material which features excellent compressibility and high recovery to create a positive seal.
Product Features:
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Product Features:
- High density cork-nitrile rubber blend
- Excellent compressibility and high recovery to create a positive seal
- Excellent Compressibility
Spectre – Trans Pan Turbo 400 Ex (Part No.5459)
from
$64.99
Spectre’s Transmission Pans provide a show quality replacement for a wide variety of transmissions, and include a drain plug to allow convenient fluid changes. This high capacity pan was designed to fit GM TH400 transmissions. Manufactured from high quality steel with a triple chrome-plated finish, this pan has a finned surface to offer improved cooling.
Product Features:
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Product Features:
- Manufactured from triple chrome-plated steel
- Designed for GM TH400 transmissions
- Includes drain plug
- High capacity
- Features fins for added cooling
Mr. Gasket – Gaskets (Part No.61082MRG)
from
$37.69
These transmission oil pan gaskets are made with a glass-filled nylon carrier with molded rubber on both the top and bottom of the gasket. Each bolt hole has a torque limiter that helps to avoid over-torqueing the bolts for a reliable seal. These gasket are reusable and can be cleaned using soap and water. Ideal for applications that require frequent service. Made in the USA.
Product Features:
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Product Features:
- Molded rubber over glass filled nylon carrier
- Reusable ¿ easy cleaning w/ soap & water
- Reusable ┐ easy cleaning w/ soap & water
- Torque Limiters ¿ helps to avoid over torqueing gaskets
- Torque Limiters ┐ helps to avoid over torqueing gaskets
- Applications for many common transmissions
- Ideal for applications that require frequent service
- Made in the USA
Permatex – The Right Stuff Grey Instant Gasket Maker, 147ml Cartridge (Part No.34311)
from
$28.49
Specifically designed to perform under higher torque loads associated with engines having closely spaced bolt patterns (typically import vehicles). This product is blowout resistant, allowing leakproof gaskets to be made and put into service in just one minute. Sensor-safe, The Right Stuff GREY seals instantly, forming a reliable, long lasting elastomeric rubber gasket that outperforms pre-molded gaskets. Specified by major import OEMs, this material is resistant to powertrain fluids (oil, coolant and ATF) and operates in environments to 450°F (232°C) continuous; 500°F (260°C) intermittent.
Product Features:
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Product Features:
- Ideal for rigid cast aluminum parts
- Meets OEM Specifications
- Sensor safe & non-corrosive
- Performs under higher torque loads associated with engines having closely spaced bolt patterns (typical of import vehicles)
- Blowout resistant, allowing leakproof gaskets to be made in just one minute
- Seals instantly, forming a reliable, long lasting elastomeric rubber gasket
- Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants
- Temperature range -60°C to 260°C (-75°F to 500°F) intermittent
- Applications: Automotive, industrial and marine gaskets, valve covers, gearbox covers, pumps, compressors, oil pans, thermostat housings, water pumps, etc.
Permatex – Ultra Grey RTV Gasket Maker (9.5 oz.) (Part No.85084)
from
$32.99
OEM specified. Designed specially for high-torque and high vibration applications, like those common in import engines, this premium RTV gasket maker exceeds manufacturers’ performance requirements. Sensor-safe, low odor, and non-corrosive. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Temperature range -65ºF to 500ºF (-54 Deg. C to 260 Deg. C) intermittent.
Product Features:
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Product Features:
- Designed specially for high-torque and high vibration applications
- Maximum vibration resistance with outstanding resistance to oils, cooling and shop fluids
- OEM specified
- Low-odor, non-corrosive formula
- Temperature Range: -65 Deg. F to 500 Deg. F (-54 Deg. C to 260 Deg. C)
B & M – Transmission Cast Deep Pan, Brushed Finish – TH400 (Part No.20280)
from
$259.99
Add fluid capacity to your transmission. Extra fluid means more cooling, and more cooling means better efficiency and performance. Add life to your transmission with a B&M Deep Pan! Adds 2 additional quarts to the system.
Product Features:
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Product Features:
- Additional Oil Capacity
- More Cooling Ability
- No Dipstick Modification
- Some Include Fluid Pickup Extension
- Built-In Drain Plugs
B & M – DEPTH PAN CHROME HP (Part No.20289)
from
$113.99
B&M Deep Transmission Pans increase the fluid capacity of your transmission, improving the cooling, allowing your transmission to work as efficiently as possible. Included drain plug, eliminates the need to drop the pan to drain the fluid.
Product Features:
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Product Features:
- Additional Oil Capacity
- More Cooling Ability
- No Dipstick Modification
- Some Include Fluid Pickup Extension
- Built-In Drain Plugs
- Chrome Plated Steel
Most Sold 1966 Cadillac Eldorado Torque Converter and Related Products
Explore our best-selling Cadillac parts for the 1966 Eldorado among 12 OEM and aftermarket options starting from $6.29.
National – Multi Purpose Seal (Part No.6712NA)
from
$10.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
Driveworks – Oil Seal (Part No.S-6712NA)
from
$6.29
Value-priced seal meets all cataloged application requirements.
Product Features:
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Product Features:
- Brand may vary by location
Hays – Hays Race Tq Convtr Th400 42-5000 Stall (Part No.97-1D42F)
from
$1150.00
Hays Race Tq Convtr Th400 42-5000 Stall
Hays – Hays Race Tq Convtr Th400 36-4200 Stall (Part No.97-1D36F)
from
$999.99
Hays Race Tq Convtr Th400 36-4200 Stall
Hays – Hays Race Tq Convtr Th400 32-3600 Stall (Part No.97-1D32F)
from
$992.99
Hays Race Tq Convtr Th400 32-3600 Stall
B & M – Holeshot 3000 (Part No.20413)
from
$779.99
HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c
Product Features:
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Product Features:
- Furnace Brazed Impeller
- Steel Alloy Pump Drive Tube
- Heavy Duty Needle Bearing
- Between Stator and Turbine
- Furnace Brazed Turbine
Hays – Hays Race Tq Convtr Th400 24-2800 Stall (Part No.97-1D24F)
from
$774.99
Hays Race Tq Convtr Th400 24-2800 Stall
B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)
from
$766.99
Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.
Product Features:
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Product Features:
- 2800-3200 RPM
- Small And Big Blocks
- Serious Performance
- Furnace Brazed
- Fully Balanced
B & M – Torque Converter (Part No.20484)
from
$549.99
Torque Converter
B & M – Torque Converter, Nitrous Holeshot 2400 (Part No.20480)
from
$529.99
Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers. Due to torque converter core availability, the actual converter size may vary but performance functionality will be as advertised.
Product Features:
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Product Features:
- 2300-2500 RPM
- Small And Big Blocks
- Mild To Serious Performance
- Furnace Brazed
- Fully Balanced
B & M – Torque Converter (Part No.20483)
from
$489.99
Torque Converter
B & M – Holeshot 2000 (Part No.20416)
from
$369.99
HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) Application: HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c
Product Features:
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Product Features:
- Furnace Brazed Impeller
- Steel Alloy Pump Drive Tube
- Heavy Duty Needle Bearing
- Between Stator and Turbine
- Furnace Brazed Turbine
Top-Rated Transmission Parts Brands For Your 1966 Cadillac Eldorado
Shop for the best-rated brands offering Transmission Parts and other products for your 1966 Cadillac Eldorados. Below you’ll find some of our best rated Transmission Parts from Permatex, Imperial, and National, and more. Transmission Parts from these brands that fit a 1966 Eldorado start at just $6.99 and are rated as high as 5 stars. OEM and aftermarket Transmission Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Permatex 1966 Cadillac Eldorado Transmission Parts
When it comes to maintaining or upgrading your 1966 Cadillac Eldorado, using quality Transmission Parts is essential to ensure durability and a perfect fit. Permatex ticks all of those boxes. We offer a wide selection of Permatex Transmission Parts, specifically designed for the 1966 Cadillac Eldorado. With over 6 Permatex brand Transmission Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.99, with an average price of just $19.49. Plus, with over 106 customer reviews and an average rating of 5 stars, you can trust that our Permatex Transmission Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Popular Imperial 1966 Cadillac Eldorado Transmission Parts
Imperial auto parts is one of the highest quality Transmission Part brands in the market. Any 1966 Cadillac Eldorado owner should feel confident when installing genuine Imperial parts in their vehicle. To ensure the best fit and performance for your 1966 Eldorado, Advance Auto Parts carries a full inventory of 9 Imperial Transmission Parts. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these Imperial Transmission Parts range from $52.99 to $85.99, plus, with more than 113 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Transmission Parts below will deliver on both quality and value.
FAQs for 1966 Cadillac Eldorado Transmission Parts
Which Transmission Parts are best-sellers for 1966 Cadillac Eldorados?
Out of 66 Transmission Parts that fit 1966 Cadillac Eldorados, the following parts are the top sellers:
- Sensor-Safe, High-Torque RTV Silicone Gasket Maker (7160017) – $11.49
- Sensor-Safe, High Torque RTV Silicone Gasket Maker (99997948) – $6.99
- Multi Purpose Seal (3271471) – $6.99
What’s the price range for 1966 Cadillac Eldorado Transmission Parts?
Transmission Part prices for the 1966 Cadillac Eldorado start at $2.49 and go up to $1,150.00 for the most premium parts.
What’s the average price of a Transmission Part for a 1966 Cadillac Eldorado?
The average price for Transmission Parts for the 1966 Cadillac Eldorado is $207.61. Keep in mind the variety of part types within our Transmission Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Transmission Parts for other Cadillac Eldorado model years?
What are the cheapest Transmission Parts for my 1966 Cadillac Eldorado?
The cheapest 1966 Cadillac Eldorado Transmission Parts we carry in stock are:
- Auto Transmission Shift Shaft Seal (11407786) – $2.49
- AT SOLENOID SEAL (11239035) – $3.99
- AT OIL PUMP ORING (11236298) – $5.99
- Oil Seal (5441811) – $6.29
- Oil Seal (5441803) – $6.29
What are the top-rated Transmission Parts that fit the 1966 Cadillac Eldorado?
Out of 271 reviews by customers, our 1966 Cadillac Eldorado Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1966 Cadillac Eldorado and their top-rated products:
- Automatic Transmission Pan and Gaskets
- Sensor-Safe, High Torque RTV Silicone Gasket Maker (99997948) – $6.99
- Sensor-Safe, High-Torque RTV Silicone Gasket Maker (7160017) – $11.49
- The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ (11082073) – $19.99
- Transmission Cooler and Parts
- Sensor-Safe, High Torque RTV Silicone Gasket Maker (99997948) – $6.99
- Sensor-Safe, High-Torque RTV Silicone Gasket Maker (7160017) – $11.49
- The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ (11082073) – $19.99
- Transmission Seals
- Sensor-Safe, High Torque RTV Silicone Gasket Maker (99997948) – $6.99
- Sensor-Safe, High-Torque RTV Silicone Gasket Maker (7160017) – $11.49
- The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ (11082073) – $19.99
What types of Transmission Parts do you sell for my 1966 Cadillac Eldorado?
As of 2/5/25, these are some of the most in-demand types of Transmission Parts for a 1966 Cadillac Eldorado:
Can I get help with 1966 Cadillac Eldorado Transmission Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Cadillac Transmission Parts and more.
What is your return policy for Cadillac Eldorado Transmission Parts?
Advance Auto Parts keeps returns simple. For new Cadillac Eldorado Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
