Automatic Transmission Filters & Fluid Protection
Shop Donaldson & WIX Replacement Filters Engineered for Smooth Shifting & Long-Term Reliability
Transmission Filter Solutions // Designed to Prevent Slipping, Sludge, & Wear
Shop heavy-duty & light-truck transmission filters engineered to prevent gear wear, lower operating temperatures, & keep your vehicle running smoother for longer.
Transmissions are complex feats of engineering that ensure your vehicle can shift gears with ease and fluidity. To keep your transmission functioning as it should, transmission filters are your engine’s first line of defence against contaminants, metal shards and dirt that can cause significant damage to this essential piece of tech within your engine.
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What is a Transmission Filter?
A transmission filter is much like an oil filter in that it removes contaminants from your transmission fluid as it circulates through your transmission. Your transmission filter sits between the transmission pan and the pickup tube that connects it to your oil pump. It works by passing your transmission fluid through a synthetic or felt-paper filter, removing potential contaminants such as dirt, debris, clutch material, and metal shavings from your system. Once your fluid passes through the filter, it can cool the system and lubricate your gears like it is designed to do. Not all vehicles have a transmission filter, but if you have a modern engine or an automatic transmission, you most likely have one that works hard every time you start your engine.
Do I Need to Change Out My Transmission Filter?
This will depend on a few factors. Some modern automatic transmissions have lifetime filters that are not designed to be changed over the life of the transmission itself. These transmissions will still require fluid changes, but not a full filter change. However, there are other automatic transmissions that do require transmission filter changes every 30,000 to 60,000 miles, depending on the specific transmission. Details on your service intervals can always be found in your owner’s manual or by asking an Amsoil technician.
AMSOIL Transmission Filters
We are proud to carry two of the top filter manufacturers in the North American auto market on your shelves. Donaldson and Wix are both top-rated filter manufacturers and deliver better-than-OEM results without the high costs associated with OEM filters.
Donaldson Transmission Filters
Our Donaldson P-Series Transmission filters offer a premium upgrade over OEM filters and help reduce wear and tear on your engine block. With the same OEM service intervals, this pan gasket and filter will deliver top-of-the-line filtration of your transmission fluid for up to four years or 60,000 miles.
Wix Transmission Filters
Wix has long been a premium filter manufacturer, and its transmission filter offers measurable improvement over traditional OEM-branded filters. With its proven reduction in transmission wear and the same OEM service intervals, this filter is a great option for those looking for premium filtration without the dealership costs.
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We have an AMSOIL product for every vehicle - it's your ride, you decide.
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AMSOIL // Engineered For What You Drive & How You Drive
From daily drivers to diesel haulers, weekend toys to workhorse machines — every engine deserves oil that’s made to handle the way you use it. Share a few details with us, and we’ll match you with the premium AMSOIL products designed to protect your engine and boost performance where it counts.
Frequently Asked Questions
No Dumb Questions, Just Dry Dipsticks
How often should a transmission filter be changed?
Unlike oil filters, transmission filter change intervals depend on the specific engine in your vehicle. For older vehicles, you should expect to change your transmission filter every 30,000 to 60,000 miles or every 2 to 4 years. For newer vehicles, your transmission filter may be a lifetime filter that is not designed to be replaced unless you fully disassemble your transmission. It is best to chat with an Amsoil expert or consult your user manual for specifics about your vehicle’s transmission and if you need to change it out during your transmission fluid change.
What are the signs of a clogged transmission filter?
There are a few telltale signs that you may have a clogged transmission filter in your vehicle. Things such as delayed gear engagement, slipping gears, sluggish gears, and buzzing or whirring noises from your engine are all telltale signs that your transmission filter is malfunctioning and needs to be changed.
Can a dirty transmission filter damage your transmission?
Yes, a damaged, clogged, or dirty transmission filter can seriously damage your transmission. The reason is that a dirty transmission filter can restrict essential fluid flow and pressure within your transmission, which can cause rough shifting, inadequate lubrication, or extreme overheating. A failure to address the issue could lead to irreversible internal component failure within your engine and require a full transmission replacement.
Do both manual and automatic transmissions have a transmission filter?
All automatic transmissions use a filter, but some are lifetime, while others need to be replaced every 30,000 to 60,000 miles. Manual transmissions typically do not have a filter, as they rely on gravity and splash lubrication rather than a pressurized system. Manual transmissions also use magnetic drain plugs to help collect any metal shavings that may gather in the transmission fluid.
Should I replace the transmission fluid and filter at the same time?
In general, yes, you should replace your transmission fluid and filter at the same time. For automatic transmissions that need their filters replaced, you can complete a drain-and-fill service. This service will have you drop the transmission pan, replace the internal filter and pan gasket and replenish the fluid.
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Michigan
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Minnesota
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Mississippi
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Missouri
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Montana
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Ohio
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Texas
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Utah
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Vermont
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Virginia
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Washington
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West Virginia
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Wisconsin
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Wyoming
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Canada
Ontario
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Alberta
Calgary, Edmonton, Red Deer, Lethbridge, St. Albert, Medicine Hat, Grande Prairie, Airdrie, Spruce Grove, Okotoks, Fort Saskatchewan, Lloydminster, Camrose, Wetaskiwin, Cochrane, Chestermere, Leduc, Beaumont, Sherwood Park, Canmore
Nova Scotia
Halifax, Sydney (Cape Breton), Truro, New Glasgow, Glace Bay, Dartmouth, Bridgewater, Yarmouth, Kentville, Amherst, Antigonish, Bedford, Sydney Mines, Windsor, Digby, Berwick, Wolfville, Pictou, Springhill, Stellarton
Yukon
Whitehorse, Dawson City, Watson Lake, Haines Junction, Carmacks, Faro, Mayo, Teslin, Carcross, Old Crow
Quebec
Montreal, Quebec City, Laval, Gatineau, Longueuil, Sherbrooke, Saguenay, Levis, Trois-Rivieres, Terrebonne, Saint-Jean-sur-Richelieu, Repentigny, Brossard, Drummondville, Saint-Jerome, Granby, Blainville, Saint-Hyacinthe, Shawinigan, Dollard-des-Ormeaux
Manitoba
Winnipeg, Brandon, Steinbach, Thompson, Portage la Prairie, Winkler, Selkirk, Morden, Dauphin, The Pas, Flin Flon, Swan River, Neepawa, Virden, Carman, Stonewall, Beausejour, Niverville, Altona, Gimli
New Brunswick
Moncton, Saint John, Fredericton, Dieppe, Riverview, Miramichi, Edmundston, Bathurst, Campbellton, Oromocto, Rothesay, Quispamsis, Sackville, Shediac, Grand Falls, Sussex, Tracadie, Woodstock, Caraquet, Hampton
Northwest Territories
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British Columbia
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Saskatchewan
Saskatoon, Regina, Prince Albert, Moose Jaw, Swift Current, Yorkton, North Battleford, Estevan, Weyburn, Martensville, Warman, Melfort, Humboldt, Meadow Lake, Melville, Kindersley, Nipawin, Battleford, Tisdale, Lloydminster
Newfoundland and Labrador
St. John's, Mount Pearl, Corner Brook, Conception Bay South, Paradise, Grand Falls-Windsor, Gander, Happy Valley-Goose Bay, Torbay, Portugal Cove-St. Philip's, Labrador City, Stephenville, Carbonear, Bay Roberts, Clarenville, Marystown, Deer Lake, Channel-Port aux Basques
Nunavut
qaluit, Rankin Inlet, Arviat, Baker Lake, Igloolik, Cambridge Bay, Pond Inlet, Kugluktuk, Pangnirtung, Cape Dorset, Gjoa Haven, Taloyoak, Clyde River, Naujaat, Coral Harbour, Kimmirut, Sanikiluaq, Whale Cove, Chesterfield Inlet, Grise Fiord
Prince Edward Island
Charlottetown, Summerside, Stratford, Cornwall, Montague, Kensington, Souris, Alberton, Georgetown, Tignish
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