1971 Mercury Cougar Automatic Transmission Kits
Keep Your 1971 Mercury Cougar in Top Shape with Quality Automatic Transmission Kits
Whether you’re repairing or upgrading your Automatic Transmission Kit, using high-quality parts is key to keeping your 1971 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Transmission Master Repair Kits, Transmission Rebuild Kits, and Automatic Transmission Bushing Kits. 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 Automatic Transmission Kits from Trusted Brands
Looking for a reliable Automatic Transmission Kit? We’ve got you covered with options from brands you know and trust like Pro-King. For example, Pro-King Automatic Transmission Kits start at just $178.99 with an average 4.1 star rating. With over 17 reviews and a solid 4 star average, you can shop with confidence knowing other Mercury Cougar owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1971 Mercury Cougar Automatic Transmission Kit at Advance Auto Parts is around $154.16, with a range that starts at $59.99 and goes up to $449.99. With 12 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Automatic Transmission Deluxe Rebuild Kit, AUTOMATIC TRANS PART, and AT SHIFT KIT start at just $72.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Automatic Transmission Kit, don’t forget to check out other key components like Torque Converter and Related Products and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 1971 Mercury Cougar in peak condition, inside and out.
Find Your Specific 1971 Mercury Cougar Automatic Transmission Kits
Looking for the perfect Automatic Transmission Kit for your 1971 Mercury Cougar? You’re in the right place. Below, you’ll find links to various types of Automatic Transmission Kits that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Automatic Transmission Kits, ensuring durability and a precise fit for your Mercury Cougar. Whether you’re driving a 1971 model or another popular model year like
1993,
1994,
1995,
1996,
1997,
1999,
2000,
2001, and
2002, we’ve got you covered. Purchasing Automatic Transmission Kits 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 Automatic Transmission Kits that fit your vehicle.
Essential 1971 Mercury Cougar Automatic Transmission Kits
ATP – AUTOMATIC TRANS PART (Part No.FGS-110)
from
$77.99
AUTOMATIC TRANS PART
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-16)
from
$259.99
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:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-834)
from
$71.99
This Basic Rebuild Kit contains a complete gasket Kit and friction set. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
See More
Product Features:
- Does not include steels or filter
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-94)
from
$206.99
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:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
ATP – AT MASTER REPAIR KIT (Part No.LM-9)
from
$496.99
AT MASTER REPAIR KIT
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-100)
from
$340.99
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:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
ATP – AT MASTER REPAIR KIT (Part No.FM-45)
from
$388.99
AT MASTER REPAIR KIT
ATP – AT MSTR REP KIT PLUS (Part No.LMS-12)
from
$432.99
AT MSTR REP KIT PLUS
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-86)
from
$178.99
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:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
ATP – AT MASTER REPAIR KIT (Part No.LM-4)
from
$321.99
AT MASTER REPAIR KIT
ATP – AT BUSHING KIT (Part No.FBS-2)
from
$75.99
AT BUSHING KIT
B & M – Shift Improver Kit (Part No.40264)
from
$199.99
Shift Improver Kit – 1992 to 1995 Ford, Lincoln, Mercury AODE/4R70W Application: 1992 to 1995 Ford, Lincoln, Mercury AODE/4R70W Recalibrate your automatic transmission for optimum performance and extended life! Provides crisp shifts on any stock automatic transmissions. Elimination of soft sluggish shifts, shift overlap, and excess wear on clutches and bands due to slippage. Improves transmission life. Transmission removal not required. The B&M Shift Improver Kit the easiest way to get the stout performance you’ve always wanted out of your automatic transmission – and you get two modes of performance to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit. All you need are a few dollars and some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Just ask the thousands of satisfied customers that have installed one in their transmissions! Stage 1 – Heavy Duty Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles. Stage 2 – Street/Strip Provides very positive shifts for high performance street use or for competitive events. This model is for the enthusiast who wants the hardest, quickest possible shift.
Product Features:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
B & M – Shift Improver Kit (Part No.50262)
from
$83.99
Shift Improver Kit – 1970 to 1982 Ford, Lincoln, Mercury C4 Application: 1970 to 1982 Ford, Lincoln, Mercury C4 Recalibrate your automatic transmission for optimum performance and extended life! Select the mode that best suits your application Provides crisp shifts on any stock automatic transmission Eliminates shift overlap and excess wear on clutches and bands due to slippage The B&M Shift Improver Kit the easiest way to get the stout performance you’ve always wanted out of your automatic transmission – and you get two modes of performance to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit. All you need are some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Ask the thousands of satisfied customers that have installed one in their transmissions! STAGE 1. HEAVY DUTY Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles. STAGE 2. STREET/STRIP Provides positive shifts for high performance street use or for competitive events. This level is for the enthusiast who wants the hardest, quickest possible shift.
Product Features:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
- Improves Transmission Life
- Transmission Removal Not Required
ATP – AT SHIFT KIT (Part No.FK-6)
from
$72.99
AT SHIFT KIT
B & M – Transkit (Part No.50231)
from
$449.99
The B&M Transkit includes the same quality components used in a B&M street strip transmission, in a do it yourself kit. Our Transpak is included giving improved shift feel, while still retaining full automatic function.
Product Features:
See More
Product Features:
- High Perf. Friction Materials
- Complete Overhaul Gasket Set
- Modification Components
- Replacement Valves
- Replacement Springs
- Drain Plug Kit Included
B & M – Shift Improver Kit (Part No.50260)
from
$83.99
Shift Improver Kit – 1967 to 1969 Ford, Lincoln, Mercury C4 Application: 1967 to 1969 Ford, Lincoln, Mercury C4 Recalibrate your automatic transmission for optimum performance and extended life! Select the mode that best suits your application Provides crisp shifts on any stock automatic transmission Eliminates shift overlap and excess wear on clutches and bands due to slippage The B&M Shift Improver Kit the easiest way to get the stout performance you’ve always wanted out of your automatic transmission – and you get two modes of performance to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit. All you need are some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Ask the thousands of satisfied customers that have installed one in their transmissions! STAGE 1. HEAVY DUTY Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles. STAGE 2. STREET/STRIP Provides positive shifts for high performance street use or for competitive events. This level is for the enthusiast who wants the hardest, quickest possible shift.
Product Features:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
- Improves Transmission Life
- Transmission Removal Not Required
ATP – AT SHIFT KIT (Part No.LK-1)
from
$102.99
AT SHIFT KIT
B & M – Transpak, 67-91 C6 Transmission (Part No.40228)
from
$174.99
Use the B&M Transpak to recalibrate your automatic transmission for optimum performance. With the Transpak you will be able to downshift into low at any speed, and keep it in low to any speed that you want.
Product Features:
See More
Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
Popular 1971 Mercury Cougar Automatic Transmission Kits Categories
Most Popular Transmission Master Repair Kits for 1971 Mercury Cougars
Enhance your 1971 Mercury Cougar with one of the 2 Transmission Master Repair Kits we have in stock, starting at just $148.99.
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-86)
from
$178.99
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:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-13)
from
$148.99
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:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
Best-Selling 1971 Mercury Cougar Transmission Rebuild Kits
Upgrade your Cougar with one of our 5 best-selling Transmission Rebuild Kits.
ATP – AUTOMATIC TRANS PART (Part No.FGS-110)
from
$77.99
AUTOMATIC TRANS PART
USA Standard Gear – ManTransBrg-SealKit (Part No.73139)
from
$223.99
ManTransBrg-SealKit
USA Standard Gear – ManTransBrg-SealKit (Part No.76155)
from
$183.99
ManTransBrg-SealKit
USA Standard Gear – ManTransBrg-SealKit (Part No.72699)
from
$117.99
ManTransBrg-SealKit
USA Standard Gear – ManTransSmallPartKit (Part No.76195)
from
$59.99
ManTransSmallPartKit
Top-Quality Automatic Transmission Bushing Kits for 1971 Mercury Cougars
Choose a high-quality OEM or aftermarket Automatic Transmission Bushing Kit for Mercury Cougars and enjoy top-notch performance from $75.99.
ATP – AT BUSHING KIT (Part No.FBS-2)
from
$75.99
AT BUSHING KIT
Top Picks for 1971 Mercury Cougar Transmission Shift Kits
Invest in one of our 4 durable Transmission Shift Kits for your 1971 Mercury, knowing you’re getting trusted brands and expert craftsmanship.
ATP – AT SHIFT KIT (Part No.FK-6)
from
$72.99
AT SHIFT KIT
B & M – Transkit (Part No.50231)
from
$449.99
The B&M Transkit includes the same quality components used in a B&M street strip transmission, in a do it yourself kit. Our Transpak is included giving improved shift feel, while still retaining full automatic function.
Product Features:
See More
Product Features:
- High Perf. Friction Materials
- Complete Overhaul Gasket Set
- Modification Components
- Replacement Valves
- Replacement Springs
- Drain Plug Kit Included
B & M – Transpak, 67-91 C6 Transmission (Part No.40228)
from
$174.99
Use the B&M Transpak to recalibrate your automatic transmission for optimum performance. With the Transpak you will be able to downshift into low at any speed, and keep it in low to any speed that you want.
Product Features:
See More
Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
B & M – Shift Improver Kit (Part No.50262)
from
$83.99
Shift Improver Kit – 1970 to 1982 Ford, Lincoln, Mercury C4 Application: 1970 to 1982 Ford, Lincoln, Mercury C4 Recalibrate your automatic transmission for optimum performance and extended life! Select the mode that best suits your application Provides crisp shifts on any stock automatic transmission Eliminates shift overlap and excess wear on clutches and bands due to slippage The B&M Shift Improver Kit the easiest way to get the stout performance you’ve always wanted out of your automatic transmission – and you get two modes of performance to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit. All you need are some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Ask the thousands of satisfied customers that have installed one in their transmissions! STAGE 1. HEAVY DUTY Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles. STAGE 2. STREET/STRIP Provides positive shifts for high performance street use or for competitive events. This level is for the enthusiast who wants the hardest, quickest possible shift.
Product Features:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
- Improves Transmission Life
- Transmission Removal Not Required
Top-Rated Automatic Transmission Kit Brands For Your 1971 Mercury Cougar
When it comes to finding the perfect Automatic Transmission Kit for your 1971 Mercury Cougar, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Automatic Transmission Kit brands including Pro-King, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $178.99. Purchasing a Automatic Transmission Kit from us here at Advance Auto Parts is a smart move for both you and your 1971 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.
Popular Pro-King 1971 Mercury Cougar Automatic Transmission Kits
If you’re looking for a top-quality Automatic Transmission Kit for your 1971 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of Pro-King Automatic Transmission Kits. We have 1 Pro-King Automatic Transmission Kits in stock for this fitment, all known for their durability and precision fit. With prices starting at just $178.99, you’ll find the perfect Automatic Transmission Kit for your needs and budget. Pro-King Automatic Transmission Kits for the 1971 Mercury Cougar come highly rated, with over 1 customer reviews and an impressive average rating of 4.1 stars. Choosing a Pro-King Automatic Transmission Kit from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$178.99
(1)
Automatic Transmission Deluxe Rebuild Kit
“This comes with all the replacement parts steel disks and band with vacuum modulator the correct part for actually rebuilding not servicing”
FAQs for 1971 Mercury Cougar Automatic Transmission Kits
What are the best-selling Automatic Transmission Kits for 1971 Mercury Cougars?
Out of 12 Automatic Transmission Kits that fit 1971 Mercury Cougars, the following parts are the top sellers:
- Automatic Transmission Deluxe Rebuild Kit (5152984) – $148.99
- AUTOMATIC TRANS PART (11239133) – $77.99
- AT SHIFT KIT (11239088) – $72.99
What’s the price range for 1971 Mercury Cougar Automatic Transmission Kits?
The prices of Automatic Transmission Kits for the 1971 Mercury Cougar range from $59.99 up to $449.99 for the most premium parts.
What is the average price of an Automatic Transmission Kit for a 1971 Mercury Cougar?
The average price for Automatic Transmission Kits for the 1971 Mercury Cougar is $154.16. Keep in mind the variety of part types within our Automatic Transmission Kit category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Automatic Transmission Kits for other Mercury Cougar model years?
What are the cheapest Automatic Transmission Kits for my 1971 Mercury Cougar?
The cheapest 1971 Mercury Cougar Automatic Transmission Kits we carry are:
- ManTransSmallPartKit (12009418) – $59.99
- AT SHIFT KIT (11239088) – $72.99
- AT BUSHING KIT (11237501) – $75.99
- AUTOMATIC TRANS PART (11239133) – $77.99
- Shift Improver Kit (6121225) – $83.99
Does Advance Auto Parts sell Automatic Transmission Kits for any other 1971 Mercury models?
Yes. We stock Automatic Transmission Kits for 6 other popular 1971 Mercury models. Some of the most popular are 1971 Monterey Automatic Transmission Kits, 1971 Colony Park Automatic Transmission Kits, 1971 Montego Automatic Transmission Kits, 1971 Capri Automatic Transmission Kits, and 1971 Marquis Automatic Transmission Kits.
What are the top-rated Automatic Transmission Kits that fit the 1971 Mercury Cougar?
The one 1971 Mercury Cougar Automatic Transmission Kit we have in stock is the ManTransSmallPartKit. It costs $59.99.
What types of Automatic Transmission Kits do you sell for my 1971 Mercury Cougar?
As of 11/2/25, these are some of the most in-demand types of Automatic Transmission Kits for a 1971 Mercury Cougar:
Can I get help with 1971 Mercury Cougar Automatic Transmission Kit orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Automatic Transmission Kits and more.
What is your return policy for Mercury Cougar Automatic Transmission Kits?
Advance Auto Parts keeps returns simple. For new Mercury Cougar Automatic Transmission Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.