1966 GMC 3500 Transmission Parts
Find Your Specific 1966 GMC 3500 Transmission Parts
Below you will find various in-demand GMC Transmission Parts, components and accessories for your 1966 3500. Advance Auto Parts has popular 3500 parts like Transmission Seals, Automatic Transmission Parts, Automatic Transmission Pan and Gaskets and more. You’ll also find aftermarket and OEM Transmission Parts for other 3500 model years including
1960,
1961,
1962,
1963,
1964,
1965 and more. Select a category of 1966 GMC 3500 Transmission Parts below and start saving instantly.
Popular 1966 GMC 3500 Transmission Parts Categories
Essential Transmission Parts for 1966 GMC 3500s
Felpro – Manual Transmission Gasket Set (Part No.TS 5100)
from
$13.99
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
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Includes all parts needed to complete the repair
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
National – Multi Purpose Seal (Part No.5M89)
from
$7.29
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
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
National – Bearings (Part No.PB-656-HD)
from
$14.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel and bronze for outstanding durability and performance
- Oil impregnated for extended life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Multi Purpose Seal (Part No.471341N)
from
$13.29
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
National – Bearings (Part No.207-L)
from
$32.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Multi Purpose Seal (Part No.240698)
from
$3.29
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 – 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
Felpro – Transmission Oil Pan Gasket (Part No.TOS 18633)
from
$8.49
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
ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 265 And 454 V8 With 2 Piece Rear Seal (Part No.200-2902)
from
$22.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating. Complete with washers and nuts where applicable.
Product Features:
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Product Features:
- Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
- Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter
- Flanged Nut
- Increased Strength And Improved Flywheel Register
- Chevy 90░ V6 & 265-454 With 2-pc Rear Seal, Ford 289-460
- 0.68″ Underhead Length
- 200,000 PSI
National – Multi Purpose Seal (Part No.474278)
from
$6.29
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
National – Bearings (Part No.207-S)
from
$28.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
Driveworks – Auto Transmission Shift Shaft Seal (Part No.S-8792S)
National – Bearings (Part No.FA-35688)
from
$11.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Available in both caged design and full complement
- Industry leading coverage
- Professional technicians know they can depend on National
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:
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
Driveworks – Oil Seal (Part No.S-6712NA)
from
$6.29
Value-priced seal meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
National – Bearings (Part No.306-L)
from
$42.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearings (Part No.1307)
from
$73.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
Felpro – Manual Transmission Gasket Set (Part No.TS 80161)
from
$28.49
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
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Includes all parts needed to complete the repair
National – Multi Purpose Seal (Part No.240735)
from
$4.99
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
National – Multi Purpose Seal (Part No.480954)
from
$2.99
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
B & M – Automatic Shifter, Sport Shifter (Part No.80776)
from
$329.99
The B&M Sport Shifter features, Neutral safety switch, backup light switch, lighted gear indicator and black T-Handle and cable. Fits Most 3 and 4 Speed applications.
Product Features:
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Product Features:
- Base Trims For Custom Fit
- Neutral Safety Switch
- Backup Light Switch
- Lighted Gear Indicator
- Black T-Handle and Cable
B & M – Automatic Shifter, Unimatic Shifter (Part No.80775)
from
$269.99
The B&M Unimatic is an ideal replacement for column shift vehicles, includes neutral safety switch, 5 foot cable and a boot and plate.
Product Features:
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Product Features:
- Ideal As Column Shift Replacement
- Includes Neutral Safety Switch
- Includes Black T-Handle
- Backup Light Not Available
- Includes 5 ft. Cable and Hardware
- Includes Boot and Plate
B & M – Automatic Shifter – Megashifter – Universal (Part No.80690)
from
$479.99
The Classic BAndM Megashifter features a Ratcheting action, ensuring positive shifts. Chrome Knob, Neutral safety switch And NHRA/IHRA Approved reverse lockout. Fits Most 3 And 4 speeds.
Product Features:
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Product Features:
- Universal Floor Mount
- Base Can Be Trimmed-Custom Fit
- Cable Operated
- Quick Installation
- Accurate Shifting
B & M – Automatic Shifter, Pro Stick Shift with CVR (Part No.80706)
from
$429.99
The Original 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, a reverse lockout feature that only requires one hand to operate, and complies with NHRA/IHRA safety rules. Then add the billet aluminum shift handle with classic white shift knob, lightweight aluminum trigger and finish it off with a brushed aluminum cover with quick release pins, and you end up with one good looking bullet-proof race shifter. Optional Forward and Reverse shift pattern gate plates are available for most popular 2, 3 and 4-speed transmissions. This model Pro Stick comes out of the box ready for action for most popular 3-speed transmissions, includes a 5-foot Super Duty shift cable, brackets, levers, hardware and detailed instructions for an easy installation. Be sure to check out all the optional Magnum Grip side grip plates including the one and two button 12-volt momentary switches or any of the other accessories we offer for the Pro Stick in the Shifter Accessories section. Notes: AOD requires installation kit #40496, AODE & 4R70W requires installation kit #40504, E40D & 4R100 requires installation kit #40505, 2004R & 700R4 require gate plate #80712, 4L60E – 4L85E equipped with PRNDL switch requires cable bracket kit #70499 and gate plate #80712. Overall Dimensions – 8.25L x 2.92W x 9.25H
Product Features:
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Product Features:
- All One-Handed
- Reverse Lockout Meets NHRA And IHRA Requirements
- Mount Directly To Floor/Chassis/Or w/Quick Release
- Ultimate For Powerglide Applications
- Lightweight Brushed Alum. Cover
- Cover Removed Quickly and Easily
- Includes 5 Ft. Super Duty Race Cable
- Quick Change Plate Design
Upgrade your 1966 GMC 3500 with Top-Quality Transmission Parts
When it comes to maintaining or upgrading your 1966 GMC 3500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Transmission Parts are key to keeping your 3500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 47 Transmission Parts for the 1966 GMC 3500, designed to meet your needs without breaking the bank.
From
Transmission Seal
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 GMC 3500 at great prices.
Our Transmission Parts inventory for this model
ranges from just $2.49 to $479.99, with
an average price of $32.40.
Our 47 Transmission Parts in stock come from 6 trusted brands, so you’re sure to find the right part for your 1966 GMC 3500 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 GMC 3500, we stock popular OEM and aftermarket Transmission Parts from top names
like FELPRO, Imperial, National, and more.
FELPRO Transmission Parts
start at just $8.49 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 $2.99, and at an average 4 stars rating.
With 1,552 customer reviews and counting, our 1966 GMC 3500 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 GMC 3500 is always ready to roll. We’re committed to providing you with everything you need to keep your 3500 in top shape, all in one place.
Start shopping confidently below for your 1966 GMC 3500!
Best-Selling Transmission Seals for 1966 GMC 3500s
Enhance the driving experience in your GMC with 15 quality Transmission Seal components, starting at $2.49.
Driveworks – Oil Seal (Part No.S-9613S)
from
$4.79
Value-priced seal meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
National – Multi Purpose Seal (Part No.470059)
from
$9.49
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:
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
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
National – Multi Purpose Seal (Part No.472164)
from
$16.99
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
Driveworks – Oil Seal (Part No.S-7412S)
from
$6.79
Value-priced seal meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
National – Multi Purpose Seal (Part No.240735)
from
$4.99
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
National – Multi Purpose Seal (Part No.411330N)
from
$17.49
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:
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
Driveworks – Auto Transmission Shift Shaft Seal (Part No.S-8792S)
National – Multi Purpose Seal (Part No.5M89)
from
$7.29
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
Driveworks – Oil Seal (Part No.S-7038SA)
from
$6.29
Value-priced seal meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
National – Multi Purpose Seal (Part No.340797)
from
$8.79
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
National – Multi Purpose Seal (Part No.471341N)
from
$13.29
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
National – Multi Purpose Seal (Part No.7188S)
from
$8.29
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
National – Multi Purpose Seal (Part No.474278)
from
$6.29
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
National – Multi Purpose Seal (Part No.480954)
from
$2.99
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
Most Popular 1966 GMC 3500 Automatic Transmission Parts
Customize your GMC with 2 Automatic Transmission Parts products
like Transmission Bushings and
Overdrive Solenoid O-Rings, all
priced under $14.99.
National – Bearings (Part No.PB-656-HD)
from
$14.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel and bronze for outstanding durability and performance
- Oil impregnated for extended life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Multi Purpose Seal (Part No.240698)
from
$3.29
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
Top Picks for 1966 GMC 3500 Automatic Transmission Pan and Gaskets
Upgrade GMC 3500s with top-quality Automatic Transmission Pan and Gaskets parts, including 3 OEM and aftermarket selections for your 1966 model.
Felpro – Transmission Oil Pan Gasket (Part No.TOS 18633)
from
$8.49
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
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
Felpro – Transmission Oil Pan Gasket (Part No.TOS 18608)
from
$8.99
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
In-Demand Transmission Cooler and Parts for 1966 GMC 3500s
Select from 12 premium Transmission Cooler and Parts parts for your 1966 GMC 3500, with prices ranging from $39.99 to $145.99.
Imperial – High Performance Transmission Oil Cooler (Part No.240516)
from
$85.99
Product Features:
See More
- 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 – Econo-Kool® Transmission Oil Cooler (Part No.242010)
from
$54.99
Product Features:
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- Imperial Econo-Kool« tube and fin transmission cooler
- Size: 3/4″ x 5″ x 15-7/8″
- Compact and mid-size cars
- GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242009)
from
$39.99
Product Features:
See More
- Imperial Econo-Kool« tube and fin transmission cooler
- Size: 3/4″ x 5″ x 12-1/2″
- Sub-compact to compact cars
- GVWR up to 12,000 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243012)
from
$81.99
Product Features:
See More
- 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:
See More
- 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
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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:
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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
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.
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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:
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- 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:
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- 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
Imperial – Transmission Oil Cooler (Part No.241015)
from
$145.99
Oil cooler 1-1/2″ x 12″ x 15-1/8″. Extra heavy-duty. Designed for severe-duty transmission oil cooling applications.
Product Features:
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Product Features:
- Imperial Econo-Kool® tube and fin transmission cooler
- Size: 1-1/2″ x 12″ x 15 1/8″
- Severe-duty transmission oil cooling applications
- Towing with class “A” motor home or towing more than 10,000 lbs.
Most Sold 1966 GMC 3500 Transmission Bearings
Explore our best-selling GMC parts for the 1966 3500 among 5 OEM and aftermarket options starting from $11.99.
National – Bearings (Part No.207-L)
from
$32.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearings (Part No.1307)
from
$73.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearings (Part No.306-L)
from
$42.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearings (Part No.207-S)
from
$28.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearings (Part No.FA-35688)
from
$11.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Available in both caged design and full complement
- Industry leading coverage
- Professional technicians know they can depend on National
Top-Rated Transmission Parts Brands For Your 1966 GMC 3500
Shop for the best-rated brands offering Transmission Parts and other products for your 1966 GMC 3500s. Below you’ll find some of our best rated Transmission Parts from FELPRO, Imperial, and National, and more. Transmission Parts from these brands that fit a 1966 3500 start at just $2.99 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 FELPRO 1966 GMC 3500 Transmission Parts
When it comes to maintaining or upgrading your 1966 GMC 3500, using quality Transmission Parts is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Transmission Parts, specifically designed for the 1966 GMC 3500. With over 6 FELPRO brand Transmission Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $8.49, with an average price of just $15.79. Plus, with over 8 customer reviews and an average rating of 5 stars, you can trust that our FELPRO 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 GMC 3500 Transmission Parts
Imperial auto parts is one of the highest quality Transmission Part brands in the market. Any 1966 GMC 3500 owner should feel confident when installing genuine Imperial parts in their vehicle. To ensure the best fit and performance for your 1966 3500, Advance Auto Parts carries a full inventory of 12 Imperial Transmission Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these Imperial Transmission Parts range from $39.99 to $145.99, plus, with more than 153 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 GMC 3500 Transmission Parts
Which Transmission Parts are best-sellers for 1966 GMC 3500s?
Out of 47 Transmission Parts that fit 1966 GMC 3500s, the following parts are the top sellers:
- Econo-Kool® Transmission Oil Cooler (6014720) – $39.99
- Transmission Oil Pan Gasket (5181054) – $8.49
- Multi Purpose Seal (3271471) – $6.99
What’s the price range for 1966 GMC 3500 Transmission Parts?
Transmission Part prices for the 1966 GMC 3500 start at $2.49 and go up to $479.99 for the most premium parts.
What’s the average price of a Transmission Part for a 1966 GMC 3500?
The average price for Transmission Parts for the 1966 GMC 3500 is $32.40. 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 GMC 3500 model years?
What are the cheapest Transmission Parts for my 1966 GMC 3500?
The cheapest 1966 GMC 3500 Transmission Parts we carry in stock are:
- Auto Transmission Shift Shaft Seal (11407786) – $2.49
- Multi Purpose Seal (18444449) – $2.99
- Multi Purpose Seal (18442789) – $3.29
- Oil Seal (5440610) – $4.79
- Multi Purpose Seal (18442792) – $4.99
What are the top-rated Transmission Parts that fit the 1966 GMC 3500?
Out of 1,552 reviews by customers, our 1966 GMC 3500 Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1966 GMC 3500 and their top-rated products:
- Automatic Transmission Pan and Gaskets
- Transmission Oil Pan Gasket (5181054) – $8.49
- Transmission Oil Pan Gasket (5181011) – $9.29
What types of Transmission Parts do you sell for my 1966 GMC 3500?
As of 2/5/25, these are some of the most in-demand types of Transmission Parts for a 1966 GMC 3500:
Can I get help with 1966 GMC 3500 Transmission Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Transmission Parts and more.
What is your return policy for GMC 3500 Transmission Parts?
Advance Auto Parts keeps returns simple. For new GMC 3500 Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
