1984 Jeep J20 Performance Transmissions

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Keep Your 1984 Jeep J20 in Top Shape with a Quality Performance Transmission

When it comes to maintaining or upgrading your 1984 Jeep J20, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Performance Transmission for your J20. We currently carry a top Performance Transmission in stock that is built to last. Whether you’re replacing a damaged Performance Transmission or looking to upgrade, our selection for the 1984 Jeep J20 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Performance Distributors and Performance Ignition Products to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1984 Jeep J20 running smoothly and looking great.

Essential 1984 Jeep J20 Performance Transmissions

B & M – B & M Chrome Deep Th 400 Transmission Pan, 20289 (Part No.20289)

B & M Chrome Deep Th 400 Transmission Pan, 20289

from

$138.99
Our Hi-Tek deep transmission pans are constructed from heavy gauge stamped steel and are designed and formed with rows of strengthening ribs adding structural rigidity. The pans are then finished off with high quality chrome plating for durable good looks. The deep pan design increases fluid capacity by 2-quarts over the stock O.E. pan, resulting in better heat dissipation, which helps lower temperatures prolonging the life of your transmission, trans fluid and corresponding components. Other features for this popular pan include a pan gasket, filter extension and drain port with magnetic drain plug for clean and easy servicing. Includes detailed instructions with all necessary hardware for an easy at home installation. Note: Does not fit Jeep CJ7 transmission.
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B & M – B & M Transmission Cast Deep Pan, Brushed Finish – Th400, 20280 (Part No.20280)

B & M Transmission Cast Deep Pan, Brushed Finish - Th400, 20280

from

$299.99
Our Hi-Tek deep transmission pans are constructed from A356-T6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties. The deep pan design increases fluid capacity by 2-quarts over the stock O.E. steel pan. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid and corresponding components. Other features for this popular pan include a filter extension, pan gasket and drain port with magnetic drain plug for clean and easy servicing. Also includes a 1/8 inch NPT temperature sensor port for easily adding a temp gauge for monitoring transmission temperatures while daily driving, towing or racing. Includes detailed instructions with all necessary hardware for an easy at home installation.
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B & M – B & M Transmission Cast Deep Pan, Brushed Finish Tf727 518&61848Re Cummins, 10280 (Part No.10280)

B & M Transmission Cast Deep Pan, Brushed Finish Tf727 518&61848Re Cummins, 10280

from

$363.99
Our Hi-Tek deep transmission pans are constructed from A356-T6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties. The deep pan design increases fluid capacity by 4-quarts over the stock O.E. steel pan. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid and corresponding components. Other features for this popular pan include a filter, filter extension, gasket and drain port with magnetic drain plug for clean and easy servicing. Also includes a 1/8-inch NPT temperature sensor port for easily adding a temp gauge for monitoring transmission temperatures while daily driving, towing or racing. Includes detailed instructions with all necessary hardware for an easy at home installation. Fits all Chrysler, Dodge, Plymouth A727 (RH36, RH37) A518 (46RH, 46RE) A618 (47RH, 47RE, 48RE) automatic transmissions.
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Most Popular Performance Transmission Pan for 1984 Jeep J20s

Enhance your 1984 Jeep J20 with this popular Performance Transmission Pan we have in stock, for $363.99.

B & M – B & M Transmission Cast Deep Pan, Brushed Finish Tf727 518&61848Re Cummins, 10280 (Part No.10280)

B & M Transmission Cast Deep Pan, Brushed Finish Tf727 518&61848Re Cummins, 10280

from

$363.99
Our Hi-Tek deep transmission pans are constructed from A356-T6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties. The deep pan design increases fluid capacity by 4-quarts over the stock O.E. steel pan. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid and corresponding components. Other features for this popular pan include a filter, filter extension, gasket and drain port with magnetic drain plug for clean and easy servicing. Also includes a 1/8-inch NPT temperature sensor port for easily adding a temp gauge for monitoring transmission temperatures while daily driving, towing or racing. Includes detailed instructions with all necessary hardware for an easy at home installation. Fits all Chrysler, Dodge, Plymouth A727 (RH36, RH37) A518 (46RH, 46RE) A618 (47RH, 47RE, 48RE) automatic transmissions.
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FAQs for 1984 Jeep J20 Performance Transmissions

What’s the price range for 1984 Jeep J20 Performance Transmissions?

We currently have just one Performance Transmissions for the 1984 Jeep J20 in stock: B & M Transmission Cast Deep Pan, Brushed Finish Tf727 518&61848Re Cummins, 10280 and it costs $363.99.

Does Advance Auto Parts sell Performance Transmissions for other Jeep J20 model years?

Yes, we carry Performance Transmissions for 13 model years of Jeep J20s between 1974 and 1988. The following model years are the most popular for Performance Transmission purchases: 1977, 1975, 1974, 1985, 1986, 1988, 1987, 1978, and 1976.

Does Advance Auto Parts sell Performance Transmissions for any other 1984 Jeep models?

What types of Performance Transmissions do you sell for my 1984 Jeep J20?

We currently have just 1 Performance Transmission in stock for a 1984 Jeep J20, and as of 8/2/26, it is a Performance Transmission Pan.

Can I get help with 1984 Jeep J20 Performance Transmission orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Jeep Performance Transmissions and more.

What is your return policy for Jeep J20 Performance Transmissions?

Advance Auto Parts keeps returns simple. For new Jeep J20 Performance Transmissions and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.