1981 Renault R18i Transmission Fluids

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Keep Your 1981 Renault R18i in Top Shape with Quality Transmission Fluids

Whether you’re repairing or upgrading your Transmission Fluid, using high-quality parts is key to keeping your 1981 Renault R18i looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Fluids and Mercon and Dexron Automatic Transmission Fluids. 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 Transmission Fluids from Trusted Brands

Looking for a reliable Transmission Fluid? We’ve got you covered with options from brands you know and trust like Castrol and Mobil Oil. For example, Castrol Transmission Fluids start at just $13.99 with an average 4.9 star rating. Mobil Oil offer similar pricing and quality, backed by strong customer feedback. With over 151 reviews and a solid 5.0 star average, you can shop with confidence knowing other Renault R18i owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 Renault R18i Transmission Fluid at Advance Auto Parts is around $48.54, with a range that starts at $2.25 and goes up to $223.99. With 15 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Gallon, F426-1G, FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Quart, F426, and FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Quart, F420 start at just $4.15 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Transmission Fluid, don’t forget to check out other key components like Coolant/Antifreeze and Fluids. At Advance Auto Parts, we’re here to help you keep your 1981 Renault R18i in peak condition, inside and out.

Essential 1981 Renault R18i Transmission Fluids

FRAM – FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 5 Gallon, F420-5 (Part No.F420-5)

FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 5 Gallon, F420-5

from

$104.99
FRAM DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. FRAM DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. FRAM DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 5 gallons.
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ARGOS – ARGOS Multi-Vehicle Automatic Transmission Fluid: 6 Gallon Box, AR420-6GLBNB (Part No.AR420-6GLBNB)

ARGOS Multi-Vehicle Automatic Transmission Fluid: 6 Gallon Box, AR420-6GLBNB

from

$223.99
ARGOS DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. ARGOS DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. ARGOS DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 6 gallons.
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ARGOS – ARGOS Full Synthetic Global Multi-Vehicle Automatic Transmission Fluid: 1 Quart, AR470 (Part No.AR470)

ARGOS Full Synthetic Global Multi-Vehicle Automatic Transmission Fluid: 1 Quart, AR470

from

$13.99
ARGOS Global ATF is formulated to meet the fluid needs of a broad range of automatic transmissions. Using advanced additive technology and base fluids, it is suitable for service fill of many transmissions manufactured by North American, Asian, and European OEMs. ARGOS Global ATF provides oxidation and thermal stability, friction control, load-carrying ability, corrosion and wear protection. It helps protect against the formation of sludge, varnish and foam. ARGOS Global ATF has exceptional low temperature flow properties and enhanced protection against viscosity breakdown at high temperatures. It also has exceptional oxidation and thermal stability, resulting in maximum service life. Volume: 1 quart.
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ARGOS – ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 5 Gallon, AR420-5 (Part No.AR420-5)

ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 5 Gallon, AR420-5

from

$118.99
ARGOS DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. ARGOS DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. ARGOS DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 5 gallons.
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FRAM – FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Gallon, F426-1G (Part No.F426-1G)

FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Gallon, F426-1G

from

$32.99
FRAM DEXRON-VI FULL SYNTHETIC ATF represents the latest technology in full synthetic automatic transmission fluids. This product is designed for the newest generation of highly efficient transmissions now being installed in most vehicles, and is DEXRON-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel efficient choice for older models as well, such as those currently using DEXRON-III. FRAM DEXRON-VI FULL SYNTHETIC ATF is recommended for use in all GM DEXRON applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations. Volume: 1 gallon.
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FRAM – FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Gallon, F420-1G (Part No.F420-1G)

FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Gallon, F420-1G

from

$27.99
FRAM DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. FRAM DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. FRAM DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 1 gallon.
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Castrol – Castrol Transmax ATF Import Multi-Vehicle Transmission Fluid, 1 Quart, 15B868 (Part No.15B868)

Castrol Transmax ATF Import Multi-Vehicle Transmission Fluid, 1 Quart, 15B868

from

$13.99
Castrol Transmax Import Multi-Vehicle is a synthetic technology product designed for use in most Honda, Toyota and Nissan vehicles as well as many other imported brands. It exceeds the requirements of the JASO-1A performance standard created by Japanese auto manufacturers. It also exceeds DEXRON-IIIH, MERCON V and MERCON requirements. Volume: 1 quart.
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Castrol – Castrol Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon, 15E0C8 (Part No.15E0C8)

Castrol Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon, 15E0C8

from

$28.99
Castrol Transmax ATF/CVT Universal is a technologically advanced full-synthetic formulation designed to deliver excellent performance in most of the traditional stepped automatic transmissions and Continuously Variable Transmissions currently in use. It is also suitable for use in hybrids. Volume: 1 gallon.
See More

FRAM – Fram Full Synthetic Global Multi-Vehicle Automatic Transmission Fluid, 1 Quart, F470 (Part No.F470)

Fram Full Synthetic Global Multi-Vehicle Automatic Transmission Fluid, 1 Quart, F470

from

$11.49
FRAM Global ATF is formulated to meet the fluid needs of a broad range of automatic transmissions. Using advanced additive technology and base fluids, it is suitable for service fill of many transmissions manufactured by North American, Asian, and European OEMs. FRAM Global ATF provides oxidation and thermal stability, friction control, load-carrying ability, corrosion and wear protection. It helps protect against the formation of sludge, varnish and foam. FRAM Global ATF has exceptional low temperature flow properties and enhanced protection against viscosity breakdown at high temperatures. It also has exceptional oxidation and thermal stability, resulting in maximum service life. Volume: 1 quart.
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FRAM – FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Quart, F426 (Part No.F426)

FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Quart, F426

from

$11.99
FRAM DEXRON-VI FULL SYNTHETIC ATF represents the latest technology in full synthetic automatic transmission fluids. This product is designed for the newest generation of highly efficient transmissions now being installed in most vehicles, and is DEXRON-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel efficient choice for older models as well, such as those currently using DEXRON-III. FRAM DEXRON-VI FULL SYNTHETIC ATF is recommended for use in all GM DEXRON applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations. Volume: 1 quart.
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ARGOS – ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Quart, AR420 (Part No.AR420)

ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Quart, AR420

from

$9.99
ARGOS DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. ARGOS DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. ARGOS DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 1 quart.
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ARGOS – ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Gallon, AR420-1G (Part No.AR420-1G)

ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Gallon, AR420-1G

from

$36.99
ARGOS DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. ARGOS DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. ARGOS DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 1 gallon.
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FRAM – FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Quart, F420 (Part No.F420)

FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Quart, F420

from

$8.49
FRAM DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. FRAM DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. FRAM DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 1 quart.
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FRAM – FRAM Automatic Transmission Fluid, 6 Gallon, F420-6GLBNB (Part No.F420-6GLBNB)

FRAM Automatic Transmission Fluid, 6 Gallon, F420-6GLBNB

from

$114.99
FRAM DX III-H/M ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII / MERCON and earlier DEXRON / MERCON type transmission fluids. Check owner’s manual for specific recommendations. Volume: 6 gallons.
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Mobil 1 – Mobil 1 Full Synthetic ATF: Automatic Transmission Fluid, Outperforms Conventional ATFs, 1 Quart, 25201 (Part No.25201)

Mobil 1 Full Synthetic ATF: Automatic Transmission Fluid, Outperforms Conventional ATFs, 1 Quart, 25201

from

$12.99
Mobil 1 Synthetic ATF is a multi-vehicle, fully synthetic automatic transmission fluid that helps to improve overall transmission durability and cleanliness. Has exceptional thermal and oxidation stability and long-term frictional properties that help to improve and extend transmission efficiency, smooth shifting performance, and fuel economy. Mobil 1 ATF provides excellent low-temperature fluidity to promote reliable lubrication at temperatures down to -51C, and exceptional shear stability to help supports viscosity retention under the most severe heavy-duty, high-temperature operating conditions. Compatible with mineral ATF fluids and all common seal materials to help provide excellent leakage control and reduce concern in top-off emergencies. Meets or exceeds the requirements of JASO 1-A and Ford MERCON V. For more information, visit us at Mobil.US. Volume: 1 quart.
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Most Popular Automatic Transmission Fluids for 1981 Renault R18is

Enhance your 1981 Renault R18i with one of the 14 Automatic Transmission Fluids we have in stock, starting at just $8.49.

Castrol – Castrol Transmax ATF Import Multi-Vehicle Transmission Fluid, 1 Quart, 15B868 (Part No.15B868)

Castrol Transmax ATF Import Multi-Vehicle Transmission Fluid, 1 Quart, 15B868

from

$13.99
Castrol Transmax Import Multi-Vehicle is a synthetic technology product designed for use in most Honda, Toyota and Nissan vehicles as well as many other imported brands. It exceeds the requirements of the JASO-1A performance standard created by Japanese auto manufacturers. It also exceeds DEXRON-IIIH, MERCON V and MERCON requirements. Volume: 1 quart.
See More

FRAM – FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Gallon, F426-1G (Part No.F426-1G)

FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Gallon, F426-1G

from

$32.99
FRAM DEXRON-VI FULL SYNTHETIC ATF represents the latest technology in full synthetic automatic transmission fluids. This product is designed for the newest generation of highly efficient transmissions now being installed in most vehicles, and is DEXRON-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel efficient choice for older models as well, such as those currently using DEXRON-III. FRAM DEXRON-VI FULL SYNTHETIC ATF is recommended for use in all GM DEXRON applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations. Volume: 1 gallon.
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FRAM – FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Quart, F426 (Part No.F426)

FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Quart, F426

from

$11.99
FRAM DEXRON-VI FULL SYNTHETIC ATF represents the latest technology in full synthetic automatic transmission fluids. This product is designed for the newest generation of highly efficient transmissions now being installed in most vehicles, and is DEXRON-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel efficient choice for older models as well, such as those currently using DEXRON-III. FRAM DEXRON-VI FULL SYNTHETIC ATF is recommended for use in all GM DEXRON applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations. Volume: 1 quart.
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FRAM – FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Quart, F420 (Part No.F420)

FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Quart, F420

from

$8.49
FRAM DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. FRAM DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. FRAM DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 1 quart.
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FRAM – Fram Full Synthetic Global Multi-Vehicle Automatic Transmission Fluid, 1 Quart, F470 (Part No.F470)

Fram Full Synthetic Global Multi-Vehicle Automatic Transmission Fluid, 1 Quart, F470

from

$11.49
FRAM Global ATF is formulated to meet the fluid needs of a broad range of automatic transmissions. Using advanced additive technology and base fluids, it is suitable for service fill of many transmissions manufactured by North American, Asian, and European OEMs. FRAM Global ATF provides oxidation and thermal stability, friction control, load-carrying ability, corrosion and wear protection. It helps protect against the formation of sludge, varnish and foam. FRAM Global ATF has exceptional low temperature flow properties and enhanced protection against viscosity breakdown at high temperatures. It also has exceptional oxidation and thermal stability, resulting in maximum service life. Volume: 1 quart.
See More

FRAM – FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Gallon, F420-1G (Part No.F420-1G)

FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Gallon, F420-1G

from

$27.99
FRAM DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. FRAM DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. FRAM DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 1 gallon.
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FRAM – FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 5 Gallon, F420-5 (Part No.F420-5)

FRAM Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 5 Gallon, F420-5

from

$104.99
FRAM DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. FRAM DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. FRAM DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 5 gallons.
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ARGOS – ARGOS Multi-Vehicle Automatic Transmission Fluid: 6 Gallon Box, AR420-6GLBNB (Part No.AR420-6GLBNB)

ARGOS Multi-Vehicle Automatic Transmission Fluid: 6 Gallon Box, AR420-6GLBNB

from

$223.99
ARGOS DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. ARGOS DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. ARGOS DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 6 gallons.
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ARGOS – ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 5 Gallon, AR420-5 (Part No.AR420-5)

ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 5 Gallon, AR420-5

from

$118.99
ARGOS DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. ARGOS DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. ARGOS DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 5 gallons.
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FRAM – FRAM Automatic Transmission Fluid, 6 Gallon, F420-6GLBNB (Part No.F420-6GLBNB)

FRAM Automatic Transmission Fluid, 6 Gallon, F420-6GLBNB

from

$114.99
FRAM DX III-H/M ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII / MERCON and earlier DEXRON / MERCON type transmission fluids. Check owner’s manual for specific recommendations. Volume: 6 gallons.
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ARGOS – ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Gallon, AR420-1G (Part No.AR420-1G)

ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Gallon, AR420-1G

from

$36.99
ARGOS DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. ARGOS DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. ARGOS DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 1 gallon.
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Castrol – Castrol Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon, 15E0C8 (Part No.15E0C8)

Castrol Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon, 15E0C8

from

$28.99
Castrol Transmax ATF/CVT Universal is a technologically advanced full-synthetic formulation designed to deliver excellent performance in most of the traditional stepped automatic transmissions and Continuously Variable Transmissions currently in use. It is also suitable for use in hybrids. Volume: 1 gallon.
See More

ARGOS – ARGOS Full Synthetic Global Multi-Vehicle Automatic Transmission Fluid: 1 Quart, AR470 (Part No.AR470)

ARGOS Full Synthetic Global Multi-Vehicle Automatic Transmission Fluid: 1 Quart, AR470

from

$13.99
ARGOS Global ATF is formulated to meet the fluid needs of a broad range of automatic transmissions. Using advanced additive technology and base fluids, it is suitable for service fill of many transmissions manufactured by North American, Asian, and European OEMs. ARGOS Global ATF provides oxidation and thermal stability, friction control, load-carrying ability, corrosion and wear protection. It helps protect against the formation of sludge, varnish and foam. ARGOS Global ATF has exceptional low temperature flow properties and enhanced protection against viscosity breakdown at high temperatures. It also has exceptional oxidation and thermal stability, resulting in maximum service life. Volume: 1 quart.
See More

ARGOS – ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Quart, AR420 (Part No.AR420)

ARGOS Dexron III / Mercon Multi-Vehicle Automatic Transmission Fluid: 1 Quart, AR420

from

$9.99
ARGOS DEX III/MERC ATF is formulated for older model Ford and General Motors vehicles requiring MERCON, DEXRON-I, DEXRON-II and DEXRON-III. It is also recommended for transmissions, power steering systems, and hydraulic systems requiring a DEXRONIII or Caterpillar TO-2 fluid. ARGOS DEX III/MERC ATF may also be used in compressors, pumps, and hydraulic systems. ARGOS DEX III-H/M ATF is recommended for use in all transmissions, hydraulic systems, and power steering units manufactured by American, European, Korean, Japanese and other manufactures from around the world specifying DEXRONIII H/Mercon and earlier DEXRON/Mercon type transmission fluids. Volume: 1 quart.
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Best-Selling 1981 Renault R18i Mercon and Dexron Automatic Transmission Fluid

Upgrade your R18i with our best-selling Mercon and Dexron Automatic Transmission Fluid with a 5 Starts rating across 58 reviews.

Mobil 1 – Mobil 1 Full Synthetic ATF: Automatic Transmission Fluid, Outperforms Conventional ATFs, 1 Quart, 25201 (Part No.25201)

Mobil 1 Full Synthetic ATF: Automatic Transmission Fluid, Outperforms Conventional ATFs, 1 Quart, 25201

from

$12.99
Mobil 1 Synthetic ATF is a multi-vehicle, fully synthetic automatic transmission fluid that helps to improve overall transmission durability and cleanliness. Has exceptional thermal and oxidation stability and long-term frictional properties that help to improve and extend transmission efficiency, smooth shifting performance, and fuel economy. Mobil 1 ATF provides excellent low-temperature fluidity to promote reliable lubrication at temperatures down to -51C, and exceptional shear stability to help supports viscosity retention under the most severe heavy-duty, high-temperature operating conditions. Compatible with mineral ATF fluids and all common seal materials to help provide excellent leakage control and reduce concern in top-off emergencies. Meets or exceeds the requirements of JASO 1-A and Ford MERCON V. For more information, visit us at Mobil.US. Volume: 1 quart.
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Top-Rated Transmission Fluid Brands For Your 1981 Renault R18i

When it comes to finding the perfect Transmission Fluid for your 1981 Renault R18i, 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 Transmission Fluid brands including Castrol and Mobil Oil, and more, all known for their exceptional customer ratings (average brand rating of 4.9 stars) and competitive prices, as low as $12.99. Purchasing a Transmission Fluid from us here at Advance Auto Parts is a smart move for both you and your 1981 Renault R18i, providing peace of mind with parts that meet or exceed OEM standards.

Popular Castrol 1981 Renault R18i Transmission Fluids

If you’re looking for a top-quality Transmission Fluid for your 1981 Renault R18i, Advance Auto Parts has exactly what you need with our selection of Castrol Transmission Fluids. We have 1 Castrol Transmission Fluids in stock for this fitment, all known for their durability and precision fit. With prices starting at just $13.99, you’ll find the perfect Transmission Fluid for your needs and budget. Castrol Transmission Fluids for the 1981 Renault R18i come highly rated, with over 93 customer reviews and an impressive average rating of 4.9 stars. Choosing a Castrol Transmission Fluid from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality Mobil Oil 1981 Renault R18i Transmission Fluids

For those in search of a high-quality Transmission Fluid for their 1981 Renault R18i, Advance Auto Parts offers a great selection of Mobil Oil Transmission Fluids. With 1 Mobil Oil Transmission Fluids in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Transmission Fluids start at just $12.99, giving you a range of options to suit your budget. Backed by over 58 customer ratings and an average rating of 4.9 stars, Mobil Oil Transmission Fluids provide both reliability and excellent performance. Choosing a Mobil Oil Transmission Fluid from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 1981 Renault R18i Transmission Fluids

What are the best-selling Transmission Fluids for 1981 Renault R18is?

Out of 15 Transmission Fluids that fit 1981 Renault R18is, the following parts are the top sellers:

What’s the price range for 1981 Renault R18i Transmission Fluids?

The prices of Transmission Fluids for the 1981 Renault R18i range from $2.25 up to $223.99 for the most premium parts.

What is the average price of a Transmission Fluid for a 1981 Renault R18i?

The average price for Transmission Fluids for the 1981 Renault R18i is $48.54. Keep in mind the variety of part types within our Transmission Fluid category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Transmission Fluids for other Renault R18i model years?

Yes, we carry Transmission Fluids for 3 model years of Renault R18is between 1982 and 1986. The following model years are the most popular for Transmission Fluid purchases: 1986, 1985, 1984, and 1982.

What are the top-rated Transmission Fluids that fit the 1981 Renault R18i?

Based on 151 reviews by customers, our 1981 Renault R18i Transmission Fluids have an average customer rating of 5.0 stars. These are the highest-rated categories of Transmission Fluids for the 1981 Renault R18i and their top-rated products:

What types of Transmission Fluids do you sell for my 1981 Renault R18i?

As of 8/2/26, these are some of the most in-demand types of Transmission Fluids for a 1981 Renault R18i:

Can I get help with 1981 Renault R18i Transmission Fluid orders?

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

What is your return policy for Renault R18i Transmission Fluids?

Advance Auto Parts keeps returns simple. For new Renault R18i Transmission Fluids and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.