1966 AMC Marlin Differentials
Keep Your 1966 AMC Marlin in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 AMC Marlin looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Front Differential Cover Gaskets, and Differential Oil. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Differentials from Trusted Brands
Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National and Valvoline. For example, National Differentials start at just $16.99 with an average 4.3 star rating. Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 1,896 reviews and a solid 5 star average, you can shop with confidence knowing other AMC Marlin owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1966 AMC Marlin Differential at Advance Auto Parts is around $135.04, with a range that starts at $1.99 and goes up to $526.69. With 16 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Multi-Purpose Bearing, 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, and 3 Qt – Penzoil 80W90 Conventional Gear Oil start at just $16.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1966 AMC Marlin in peak condition, inside and out.
Find Your Specific 1966 AMC Marlin Differentials
Looking for the perfect Differential for your 1966 AMC Marlin? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your AMC Marlin. Whether you’re driving a 1966 model or another popular model year like
1965 and
1967, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 1966 AMC Marlin Differentials
Powertrax – Grip PRO Traction System (Part No.GT443527)
from
$526.69
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
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Motive Gear – Ring Gear Bolt (Part No.D8OZ4216B)
National – Shaft Repair Sleeve (Part No.99193)
from
$43.99
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:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Felpro – Axle Housing Cover Gasket (Part No.RDS 13889)
from
$12.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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
Powertrax – Lock Right Locker (Part No.1710-LR)
from
$368.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles. Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction. Powertrax® = Extreme Traction Systems!
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Powertrax – No-Slip Traction System (Part No.9201202900)
from
$522.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles. Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction. Powertrax® = Extreme Traction Systems!
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National – Multi-Purpose Bearing (Part No.A-36)
from
$27.99
Product Features:
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- CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Multi-Purpose Bearing (Part No.A-6)
from
$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN — Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)
from
$21.29
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)
from
$34.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)
from
$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.
Product Features:
See More
Product Features:
- Includes three quarts of conventional oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)
from
$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.
Product Features:
See More
Product Features:
- Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)
from
$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.
Product Features:
See More
Product Features:
- Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)
from
$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.
Product Features:
See More
Product Features:
- Includes three quarts of Redline Shockproof oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)
from
$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.
Product Features:
See More
Product Features:
- Includes four quarts of Redline Shockproof oil
Popular 1966 AMC Marlin Differentials Categories
Most Popular Differential Bearings for 1966 AMC Marlins
Enhance your 1966 AMC Marlin with one of the 4 Differential Bearings we have in stock, starting at just $16.99.
National – Multi-Purpose Bearing (Part No.A-6)
from
$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN — Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Multi-Purpose Bearing (Part No.A-36)
from
$27.99
Product Features:
See More
- CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)
from
$34.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)
from
$21.29
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.
Product Features:
See More
Product Features:
- High-precision and High-quality components used in all KITs
- Coverage of classic and new high-tech solutions for the best system coverage
Best-Selling 1966 AMC Marlin Front Differential Cover Gasket
Upgrade your Marlin with our best-selling Front Differential Cover Gasket.
Felpro – Axle Housing Cover Gasket (Part No.RDS 13889)
from
$12.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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
Top-Quality Differential Oil for 1966 AMC Marlins
Choose a high-quality OEM or aftermarket Differential Oil for AMC Marlins and enjoy top-notch performance from $35.99.
Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)
from
$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.
Product Features:
See More
Product Features:
- Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)
from
$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.
Product Features:
See More
Product Features:
- Includes three quarts of conventional oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)
from
$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.
Product Features:
See More
Product Features:
- Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)
from
$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.
Product Features:
See More
Product Features:
- Includes three quarts of Redline Shockproof oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)
from
$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.
Product Features:
See More
Product Features:
- Includes four quarts of Redline Shockproof oil
Our Top Pick for a 1966 AMC Marlin Differential Ring Gear Bolt
Invest in a
durable Differential Ring Gear Bolt for your 1966 AMC, knowing you’re getting trusted brands and expert craftsmanship.
Motive Gear – Ring Gear Bolt (Part No.D8OZ4216B)
Our Top-Rated Differential Pinion Pilot Bearings for 1966 AMC Marlins
Make a smart move for your 1966 AMC Marlin with our Differential Pinion Pilot Bearing for $43.99.
National – Shaft Repair Sleeve (Part No.99193)
from
$43.99
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:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Top-Rated Differential Brands For Your 1966 AMC Marlin
When it comes to finding the perfect Differential for your 1966 AMC Marlin, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Differential brands including Valvoline and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $16.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1966 AMC Marlin, providing peace of mind with parts that meet or exceed OEM standards.
Popular Valvoline 1966 AMC Marlin Differentials
If you’re looking for a top-quality Differential for your 1966 AMC Marlin, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $35.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1966 AMC Marlin come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$35.99
(446)
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
“Good quality great price”
Top-Quality National 1966 AMC Marlin Differentials
For those in search of a high-quality Differential for their 1966 AMC Marlin, Advance Auto Parts offers a great selection of National Differentials. With 3 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $16.99, with an average price of $29.66, giving you a range of options to suit your budget. Backed by over 28 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$43.99
(2)
Shaft Repair Sleeve
“As a mechanic I dont have time or money to waste on inferior products, which this is not.
Great product,great price”
FAQs for 1966 AMC Marlin Differentials
What are the best-selling Differentials for 1966 AMC Marlins?
Out of 16 Differentials that fit 1966 AMC Marlins, the following parts are the top sellers:
- Multi-Purpose Bearing (3275973) – $16.99
- 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (11645418) – $57.99
- 3 Qt – Penzoil 80W90 Conventional Gear Oil (11644279) – $44.99
What’s the price range for 1966 AMC Marlin Differentials?
The prices of Differentials for the 1966 AMC Marlin range from $1.99 up to $526.69 for the most premium parts.
What is the average price of a Differential for a 1966 AMC Marlin?
The average price for Differentials for the 1966 AMC Marlin is $135.04. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.
What are the cheapest Differentials for my 1966 AMC Marlin?
The cheapest 1966 AMC Marlin Differentials we carry are:
- Ring Gear Bolt (19640279) – $1.99
- Axle Housing Cover Gasket (5723515) – $12.49
- Multi-Purpose Bearing (3275973) – $16.99
- Bearing – TRB (Tapered Roller Bearing) (50206196) – $21.29
- Multi-Purpose Bearing (3275884) – $27.99
Does Advance Auto Parts sell Differentials for any other 1966 AMC models?
Yes. We stock Differentials for 4 other popular 1966 AMC models. Some of the most popular are 1966 Ambassador Differentials, 1966 Rebel Differentials, 1966 American Differentials, 1966 Classic Differentials, and 1966 Rogue Differentials.
What are the top-rated Differentials that fit the 1966 AMC Marlin?
Based on 1,896 reviews by customers, our 1966 AMC Marlin Differentials have an average customer rating of 5 stars. These are the highest-rated categories of Differentials for the 1966 AMC Marlin and their top-rated products:
- Differential Oil
- MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (8150020) – $35.99
- Differential Pinion Pilot Bearings
- Shaft Repair Sleeve (3271765) – $43.99
What types of Differentials do you sell for my 1966 AMC Marlin?
As of 3/1/26, these are some of the most in-demand types of Differentials for a 1966 AMC Marlin:
Can I get help with 1966 AMC Marlin Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about AMC Differentials and more.
What is your return policy for AMC Marlin Differentials?
Advance Auto Parts keeps returns simple. For new AMC Marlin Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.