1978 Pontiac LeMans Automatic Transmission Kits
Keep Your 1978 Pontiac LeMans 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 1978 Pontiac LeMans looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Oil Pump Seal Kit, Transmission Master Repair Kits, and Transmission Shift 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 $258.99 with an average 4.0 star rating. With over 10 reviews and a solid 4 star average, you can shop with confidence knowing other Pontiac LeMans owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1978 Pontiac LeMans Automatic Transmission Kit at Advance Auto Parts is around $178.74, with a range that starts at $15.99 and goes up to $459.99. With 14 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Automatic Transmission Basic Rebuild Kit, ManTransBrg-SealKit, and Transpak For 68-81 TH 350 Transmission start at just $135.99 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 1978 Pontiac LeMans in peak condition, inside and out.
Find Your Specific 1978 Pontiac LeMans Automatic Transmission Kits
Looking for the perfect Automatic Transmission Kit for your 1978 Pontiac LeMans? 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 Pontiac LeMans. Whether you’re driving a 1978 model or another popular model year like
1973,
1974,
1975,
1976,
1977,
1979,
1980,
1981, and
1993, 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 1978 Pontiac LeMans Automatic Transmission Kits
ATP – AT BANNER KIT (Part No.JM-10)
from
$179.99
AT BANNER KIT
ATP – AT OVERHAUL KIT (Part No.CGS-17)
from
$104.99
AT OVERHAUL KIT
B & M – Transmission Kit, Master Overhaul Kit For TH400 (Part No.21041)
from
$459.99
These kits include all of the necessary components to rebuild your automatic transmission. OEM style gaskets included. Kits do not include overhaul instructions – please refer to factory shop manual for proper assembly procedures.
Product Features:
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Product Features:
- Complete High Perf. Or Racing Trans. Overhaul
- Includes Only OEM Valvebody Gaskets
- Instructions Not Included
ATP – AT OVERHAUL KIT (Part No.SGS-27)
from
$89.99
AT OVERHAUL KIT
ATP – AT BANNER KIT (Part No.SM-11)
from
$206.99
AT BANNER KIT
ATP – AT OVERHAUL KIT (Part No.SGS-28)
from
$102.99
AT OVERHAUL KIT
ATP – AT OVERHAUL KIT (Part No.JGS-52)
from
$81.99
AT OVERHAUL KIT
Schaeffler – Shaft Seal (Part No.SS2803)
from
$15.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-15)
from
$268.99
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 MASTER REPAIR KIT (Part No.CM-11)
from
$261.99
AT MASTER REPAIR KIT
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-828)
from
$78.99
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:
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Product Features:
- Meets or exceeds OE specifications
B & M – Master Overhaul Kit For Powerglide Transmission (Part No.21040)
from
$459.99
The B&M Master Racing Overhaul Kit includes all gaskets, seals, bushings and high performance friction materials. No transbrake body gaskets or instructions included.
Product Features:
See More
Product Features:
- Complete High Perf. Or Racing Trans. Overhaul
- Includes Only OEM Valvebody Gaskets
- Instructions Not Included
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-838)
from
$135.99
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:
- Meets or exceeds OE specifications
ATP – AT MASTER REPAIR KIT (Part No.JM-9)
from
$269.99
AT MASTER REPAIR KIT
ATP – AT MSTR REP KIT PLUS (Part No.JMS-9)
from
$393.99
AT MSTR REP KIT PLUS
ATP – AT MASTER REPAIR KIT (Part No.SM-9)
from
$276.99
AT MASTER REPAIR KIT
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-17)
from
$258.99
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:
- Meets or exceeds OE specifications
- Includes Band and Modulator (if applicable)
ATP – AT MASTER REPAIR KIT (Part No.XM-5)
from
$207.99
AT MASTER REPAIR KIT
B & M – Transpak For 68-81 TH 350 Transmission (Part No.30228)
from
$166.99
The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.
Product Features:
See More
Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)
from
$128.99
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:
See More
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 – Transmission Kit, Transkit 68-81 TH-350 Transmission (Part No.30229)
from
$459.99
B&M Transkits give you the same high-quality components that are used in all B&M Street and Strip transmissions. They also include special directions on how to modify your case, pump, and components.
Product Features:
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Product Features:
- High Perf. Friction Materials
- Complete Overhaul Gasket Set
- Modification Components
- Replacement Valves
- Replacement Springs
B & M – Transpak (Part No.30235)
from
$178.99
Shift Improver Kits – Buick, Chevrolet, GMC, Olds, Pontiac – 1968 to 1981 TH-350 and M38 Application: 1968 to 1981 TH-350 and M38 (for TH-350C use Transpak # 30235) 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:
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Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
- Downshift At Any Speed
- Great For Trailer Towing
- For Heavy Loads Driving Downhill
B & M – Shift Improver Kit For 68-81 TH-350 Transmission (Part No.30262)
from
$70.99
HEAVY DUTY-Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. STREET/STRIP-Positive shifts for high performance street use or for competitive events. 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 For 65-87 TH400 Transmission (Part No.20260)
from
$73.99
The B&M Shift Improver Kit the easiest way to get the performance you’ve always wanted out of your automatic transmission, two modes to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit.
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.JK-1)
from
$80.99
AT SHIFT KIT
Popular 1978 Pontiac LeMans Automatic Transmission Kits Categories
Most Popular Automatic Transmission Oil Pump Seal Kit for 1978 Pontiac LeMans
Enhance your 1978 Pontiac LeMans with this popular Automatic Transmission Oil Pump Seal Kit we have in stock, for $15.99.
Schaeffler – Shaft Seal (Part No.SS2803)
from
$15.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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 1978 Pontiac LeMans Transmission Master Repair Kits
Upgrade your LeMans with one of our 4 best-selling Transmission Master Repair Kits, earning an average 4 stars rating across 2 reviews.
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-17)
from
$258.99
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:
- Meets or exceeds OE specifications
- Includes Band and Modulator (if applicable)
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-838)
from
$135.99
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:
- Meets or exceeds OE specifications
B & M – Master Overhaul Kit, TH350 Transmission (Part No.21042)
from
$385.99
The Master Racing overhaul kits are supplied with all of the gaskets, seals, bushings, and friction material required for a complete high performance or racing trans overhaul. Does not come with transbrake gaskets or components.
Product Features:
See More
Product Features:
- Complete High Perf. Or Racing Trans. Overhaul
- Includes Only OEM Valvebody Gaskets
- Instructions Not Included
ATP – AT MASTER REPAIR KIT (Part No.SM-9)
from
$276.99
AT MASTER REPAIR KIT
Top-Quality Transmission Shift Kits for 1978 Pontiac LeMans
Choose a high-quality OEM or aftermarket Transmission Shift Kit for Pontiac LeMans and enjoy top-notch performance from $70.99.
B & M – Transmission Kit, Transkit 68-81 TH-350 Transmission (Part No.30229)
from
$459.99
B&M Transkits give you the same high-quality components that are used in all B&M Street and Strip transmissions. They also include special directions on how to modify your case, pump, and components.
Product Features:
See More
Product Features:
- High Perf. Friction Materials
- Complete Overhaul Gasket Set
- Modification Components
- Replacement Valves
- Replacement Springs
B & M – Transpak For 68-81 TH 350 Transmission (Part No.30228)
from
$166.99
The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.
Product Features:
See More
Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)
from
$128.99
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:
See More
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 – Shift Improver Kit For 68-81 TH-350 Transmission (Part No.30262)
from
$70.99
HEAVY DUTY-Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. STREET/STRIP-Positive shifts for high performance street use or for competitive events. 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
Top Picks for 1978 Pontiac LeMans Transmission Rebuild Kits
Invest in one of our 5 durable Transmission Rebuild Kits for your 1978 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.
USA Standard Gear – ManTransBrg-SealKit (Part No.70267)
from
$159.99
ManTransBrg-SealKit
ATP – AT BANNER KIT (Part No.SM-11)
from
$206.99
AT BANNER KIT
ATP – AT OVERHAUL KIT (Part No.SGS-28)
from
$102.99
AT OVERHAUL KIT
ATP – AT OVERHAUL KIT (Part No.SGS-27)
from
$89.99
AT OVERHAUL KIT
USA Standard Gear – ManTransSmallPartKit (Part No.79024)
from
$48.99
ManTransSmallPartKit
Top-Rated Automatic Transmission Kit Brands For Your 1978 Pontiac LeMans
When it comes to finding the perfect Automatic Transmission Kit for your 1978 Pontiac LeMans, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 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 4.0 stars) and competitive prices, as low as $258.99. Purchasing a Automatic Transmission Kit from us here at Advance Auto Parts is a smart move for both you and your 1978 Pontiac LeMans, providing peace of mind with parts that meet or exceed OEM standards.
Popular Pro-King 1978 Pontiac LeMans Automatic Transmission Kits
If you’re looking for a top-quality Automatic Transmission Kit for your 1978 Pontiac LeMans, 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 $258.99, you’ll find the perfect Automatic Transmission Kit for your needs and budget. Pro-King Automatic Transmission Kits for the 1978 Pontiac LeMans come highly rated, with over 2 customer reviews and an impressive average rating of 4.0 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
$258.99
(2)
Automatic Transmission Deluxe Rebuild Kit
“Great kit except that it didn’t include all of the bushings. Also wish that it included the thrust washers (it didn’t day that it did) but anyone reb”
FAQs for 1978 Pontiac LeMans Automatic Transmission Kits
What are the best-selling Automatic Transmission Kits for 1978 Pontiac LeMans?
Out of 14 Automatic Transmission Kits that fit 1978 Pontiac LeMans, the following parts are the top sellers:
- Automatic Transmission Basic Rebuild Kit (10254196) – $135.99
- ManTransBrg-SealKit (12008300) – $159.99
- Transpak For 68-81 TH 350 Transmission (17130014) – $166.99
What’s the price range for 1978 Pontiac LeMans Automatic Transmission Kits?
The prices of Automatic Transmission Kits for the 1978 Pontiac LeMans range from $15.99 up to $459.99 for the most premium parts.
What is the average price of an Automatic Transmission Kit for a 1978 Pontiac LeMans?
The average price for Automatic Transmission Kits for the 1978 Pontiac LeMans is $178.74. 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 Pontiac LeMans model years?
What are the cheapest Automatic Transmission Kits for my 1978 Pontiac LeMans?
The cheapest 1978 Pontiac LeMans Automatic Transmission Kits we carry are:
- Shaft Seal (50206065) – $15.99
- ManTransSmallPartKit (12009171) – $48.99
- Shift Improver Kit For 68-81 TH-350 Transmission (6280919) – $70.99
- AT OVERHAUL KIT (11238824) – $89.99
- AT OVERHAUL KIT (11238757) – $102.99
Does Advance Auto Parts sell Automatic Transmission Kits for any other 1978 Pontiac models?
Yes. We stock Automatic Transmission Kits for 8 other popular 1978 Pontiac models. Some of the most popular are 1978 Grand Prix Automatic Transmission Kits, 1978 Bonneville Automatic Transmission Kits, 1978 Firebird Automatic Transmission Kits, 1978 Grand Am Automatic Transmission Kits, and 1978 Catalina Automatic Transmission Kits.
What are the top-rated Automatic Transmission Kits that fit the 1978 Pontiac LeMans?
The one 1978 Pontiac LeMans Automatic Transmission Kit we have in stock is the Shaft Seal. It costs $15.99.
What types of Automatic Transmission Kits do you sell for my 1978 Pontiac LeMans?
As of 3/1/26, these are some of the most in-demand types of Automatic Transmission Kits for a 1978 Pontiac LeMans:
Can I get help with 1978 Pontiac LeMans 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 Pontiac Automatic Transmission Kits and more.
What is your return policy for Pontiac LeMans Automatic Transmission Kits?
Advance Auto Parts keeps returns simple. For new Pontiac LeMans Automatic Transmission Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.