tru cool 40k thermal bypass

Add to the 47391 or any other cooler with 3/8" or … Tru-cool Thermal Bypass Transmission Cooler By-pass Cold Weather Use Long Brand Tru Cool - $52.04. We not only carry a wide range of performance minded transmission parts for your car, but we also provide the best customer service; before and after the sale. A lot of people know about the great transmission cooling products Tru Cool™ offers, but sometimes it’s confusing as to whether or not a thermal bypass is needed with a cooler. Brand New. Tru-Cool LPD 4590 Automatic Transmission Cooler 28,000 GVW LPD4590 Fluid Oil True-Cool … No problems. /* review stars */ When the transmission is cold, the thermal bypass will "bypass" the cooler so it can bring the transmission up to operating temperature more quickly. This is the ultimate cooler for heavy towing and is a must for heavy duty applications, including racing. I just had enough hose. Please refer to the Tru-Cool brochure to match your vehicle to the heat exchanger that best suits your cooling needs. Alternate part numbers: OC-4739, OC-4739, LPD-4739. Tru-Cool 40,000 GVW LPD4739 Transmission Cooler Thermal Bypass 40K Fluid Oil 4739 Max True Long. Top Rated Seller Top Rated Seller. Posts: 346 Likes Received: 335 Drive Hard. I assume the 44k has a 4k higher capacity.. Is that overkill? ... Tru-cool Thermal - $52.99. Manufacturer: Tru-Cool. Tru Cool 47391 40k GVW Transmission Coolers in Stock and Ready to Ship. Worked well for my application. Dieselsite.com shows that the E4OD requires it. { Oregon Performance Transmission will NEVER sell, transfer, show or otherwise cause your email to be seen by anyone else. It took me a couple of hours and the kit came with everything I needed. Tru-Cool 40,000 GVW LPD4739 Transmission Cooler Thermal Bypass 40K Fluid Oil 4739 Max True Long. The Tru-Cool Max cooler fixed my customer's transmission overheat where the prior installed 10,000 pound RV cooler could not. This is a stacked plate, low pressure drop unit. The Tru-Cool Max design improved air flow through the radiator and dropped his engine temperature as well. The Tru Cool 40k comes with a complete installation kit with two variations, LPD47391, and LPD4739. }. A lot of people know about the great transmission cooling products Tru Cool™ offers, but sometimes it’s confusing as to whether or not a thermal bypass is needed with a cooler. Installs in cooler line. Some people elect to bypass the radiator for more cooling, but I did not. If you want to install this cooler with upgraded hose and fittings, the 5/8”-18 threads in the cooler would allow you to convert over to AN style to use with braided or Socketless hose. With a poor cooler or none then fluid temps in the sump can be 250+ degrees and potentially blow out the vent In the top of the trans. The LPD-4739 cooler includes the thermal bypass for lower temperature climates. If you do not need the thermal bypass but do need a great transmission cooler, and have the available space, we have that product under part number LNG-47391. Tru-Cool Max Transmission Cooler 40,000 GVW Fluid Oil 40K True Long Brand 4739-1 LPD47391 Automatic, Tru-Cool 29,200 BTU H7B Engine Oil Cooler External Motor Cooling 1/2 NPT Fittings 4263P52, Lubegard Kooler Flush Transmission Line & Cooler Cleaner, { Oregon Performance Transmission will NEVER sell, transfer, show or otherwise cause your email to be seen by anyone else. Find helpful customer reviews and review ratings for Tru-Cool Max LPD4739 4739 40,000 GVW Low Pressure Drop Transmission Oil Cooler with Thermal Bypass at Amazon.com. What Tru-Cool heat exchanger would be best suited for my vehicle? 180 +-. Our most popular transmission cooler from Tru-Cool™, part number LNG-47391 , has a sister cooler under part number LNG-4739 . Tru-Cool 40,000 GVW LPD4739 Transmission Cooler Thermal Bypass 40K Fluid Oil 4739 Max True Long OPT Product Code: LNG-4739 A bypass is not something that is typically needed unless you live in a fairly cold climate; for example, a place where temperatures in the winter are regularly below 32°F. My tru-cool doesn't have the thermal bypass, didn't think I'd need one living in SC where our winters are usually mild. Tru-Cool Transmission oil cooler … This valve will bypass the cooler until the fluid temperature reaches approximately 180 degrees. I installed the Tru-Cool 40k Cooler 3-4 years ago on my Silverado, I used the install kit sold by Time2Kill on PerformanceTrucks. I haven’t had the time to put it thru the real test as of yet. Ecommerce Web Development: Phosphor Media. WITH COLD WEATHER BYPASS KIT. This heat is absorbed by the oil in the transmission and is extracted through a cooling system. All components are available as a universal kit* or are sold separately. I'm in NJ so it can be pretty cold in the 10-20s sometimes Side note.. This cooler is rated at 40,000 GVW and measures 8.5"x22.75"x1.25". If you live in a cold climate where it’s freezing in the winter a lot you can use TruCools thermal bypass so nothing flows until a certain temp. Our most popular transmission cooler from Tru-Cool™, part number LNG-47391, has a sister cooler under part number LNG-4739. Top Rated Seller … In the description of the Tru-Cool Max LPD4739 4739 40,000 GVW Low Pressure Drop Transmission Oil Cooler with Thermal Bypass: "comes with a thermal bypass valve so you can use this cooler in cold weather and the fluid will bypass until the transmission comes up to operating temeratures." It’s working good so far. Maintain lower temperatures in your transmission and lubricant with Tru-Cool and extend the life of the vehicle you depend on. The LPD4739 trans cooler includes a thermal bypass. As operating temperatures increase, the ATF heats up and becomes thinner. The thermal bypass is a small added valve that goes in the transmission line. #epSummary .fa, #etSummary .fa, .esSummary .fa, .epRating .fa, .etRating .fa, .randomStars .fa { color: #FFD700; font-size: inherit; text-rendering: auto; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }, Tru-Cool Max transmission cooler by Long Manufacturing. $51.20 (5) 1 Review. Tru-Cool Low Pressure Drop (LPD) Transmission coolers have a unique cold weather passive bypass that allows the thicker ATF to flow more efficiently through the cooler at the top of the system. Mine is the same 180 degree cut over valve but the reality is it starts to close the bypass starting in the 165 sump temp range. Use on 5/16" & 3/8" line sizes ONLY!! NOTE: OPT uses javascript to enhance and secure your online experience. What is the thread on LPD-4739? If you would like to purchase a cooler with a bypass, we sell that package under part number LNG-4739. Transmission fluid is heated as it passes through the radiator, essentially removing the need for an external thermal bypass. Opens fully at approx. This is a stacked plate, low pressure drop unit. All parts and instructions are included to mount and plumb this cooler. Tru-Cool. Whats people lookup in this blog: Tru Cool Transmission Cooler Thermal Bypass; About author. This by pass is included in the Tru-Cool 4739 cooler. The thermal bypass appears to be aircraft quality and allows quick warm up. This new cooler is 4 times the size of the old one. Tru-Cool Thermal Bypass 4739P6 Long Brand Transmission Cooler External 708 4739-P6 True. This is the ultimate cooler for heavy towing and is a must for heavy duty applications, including racing. $189.99 Copyright © 2021 Oregon Performance Transmission. Typical cooler installation. Oregon Performance Transmission is the best place on the web to buy transmission parts! *In the 94-97 Ford trucks, remove your factory cooler. Upgraded line and fittings would need to be purchased separately. Can I buy the bypass separately and add it on? Free shipping. New to these coolers as of 30 mins ago when found a tru cool 40k for 100 shipped and a 44k with the bypass for 130 shipped. Thread is 5/8" - 18 UNF 2B thread (3/8" inverted flare). What about using the thermal bypass valve. SKU: LPD47391. When the transmission is cold, the thermal bypass will "bypass" the cooler so it can bring the transmission up to operating temperature more quickly. Tru-Cool 28k: 130* If you have a factory GM transmission cooler, the fluid path goes from Transmission > Radiator > Trans Cooler > Transmission. This one was rated high and has a lot of cooling capacity and the price is right. The stock tranny cooler wasn’t adequate with this load on a hot day. High Performance Truck Tru-cool Max 40,000 40k Gvw Transmission Fluid Oil Cooler Tru-cool Max - $419.95. Long Tru-Cool Max transmission cooler P/N LPD47391. Rest Easy. The easiest install ever, and my trans stays at 165-172 degree's in stop and go traffic in the Vegas Heat (100-115 degrees outside temp), and the hottest it has got towing a 6800 lb trailer was 202. The Tru-Cool system then directs the ATF through the core, where it is cooled. Keep your operating temperatures low, even in harsh conditions, and protect the vehicle you rely on. What does it do and with me living in south GA (Very close to FL) would I need that and right now I have a 4L60e but will be upgrading to a 4L80e so I can swap it right, I wouldnt see why not? Copyright © 2021 Oregon Performance Transmission. Our most popular transmission cooler from Tru-Cool™, part number, Yes. Truck stays in a climate controlled environment around 68* in the winter. When an auxiliary transmission oil cooler is required for your vehicle, Tru-Cool Max delivers optimal protection with double the cooling performance of our other products. The bypass works very well with other coolers, such as the Tru Cool™ 49211 cooler. For many people, the busyness of summer travel has settled down, the kids are back in school, and there’s finally time to work on vehicle projects before the snow and freezing temperatures hit. I tow a 24 foot travel trailer with two ATVs on the back of my truck. We sell the bypass individually under part number LNG-4739P6. The thermal bypass is an added valve that goes in the transmission line. Fall is a great time to consider installing a transmission cooler in your vehicle. Extend the life of your transmission and avoid costly repairs with Tru-Cool® transmission and engine coolers. Oregon Performance Transmission is the best place on the web to buy transmission parts! Tru-Cool Max 40,000 GVW Transmission Performance Oil Cooler. Install your Tru-Cool transmission oil cooler with confidence with Tru-Cool mounting hardware. Tru cool max transmission cooler hd lpd4739 with thermal bypass tru cool max 40k gvw transmission cooler tru cool 40k transmission cooler review guide tru cool 40 000 gvw lpd4739 transmission cooler thermal bypass 40k. This cooler is a "stand-alone" cooler designed to handle the heat load by itself, but in the 99-03 Ford trucks it can be used as an add-on cooler in addition to your OEM cooler. C $525.23. Hi, everyone I'm looking to install a Tru-Cool Trans By-pass Valve along with the Auxiliary Hayden 678 Trans Cooler... From my understanding the By-pass Valve fully opens at -/+ 180°. NOTE: OPT uses javascript to enhance and secure your online experience. I have been told the E4OD will not get to the right operating temps if I don't run one. I already own a cooler but it doesn’t have a bypass. Here in Texas, the summers get pretty hot. This thermal bypass is typically used in areas where the climate is much colder, and helps the fluid reach optimal operating temps before completely flowing through the system. Ecommerce Web Development: Phosphor Media. This cooler is rated at 40,000 GVW and measures 8.5"x22.75"x1.25". For more information about transmission or engine oil coolers, please feel free to contact us at sales@oregonperformancetransmission.com. Includes bypass only! This cooler has 3/8" inverted flare fittings and comes with a thermal bypass valve so you can use this cooler in cold weather and the fluid will bypass … I installed the cooler on my 2002 GMC 2500HD truck. All True-Cool coolers come with a manufacturer's limited lifetime warranty. Bump. Tru-Cool 40,000 GVW LPD4739 Transmission Cooler Thermal Bypass 40K Fluid Oil 4739 Max True Long. Ecommerce Web Development: Phosphor Media. ivin74 and PNW VietVet like this. I received my tru cool tranny cooler in a couple of days. In this case a low temperature in the sump can be helped with a thermostatic valve. The only difference between the two? Jul 21, 2020 at 3:53 PM #50. Would you think its a good idea to remove the small stock trans cooler when installing the Tru-cool or keep both. $189.99. Be the first to review this product. If you want to extend the life of your transmission and avoid a premature, costly rebuild, this is very cheap insurance. I installed the thermostat that came with this kit as well. Also what's the cold weather bypass? The 4739 comes with a thermal bypass, while the 47391 does not. 08z71bgm Supporting Member. Due to liability issues, we can't recommend a heat exchanger. Ecommerce Web Development: Phosphor Media. I'll have full bolt on & stall eventually. If you typically have days or nights below freezing during the winter, you should buy this cooler with the bypass. Driving out of the garage 10 miles or so the trans gauge barely registers above the 100* reading even with the 3200 stall (hwy driving). TRU-COOL MAX LPD4739 TRANSMISSION OIL COOLER. Im looking into getting a tru-cool 40k trans cooler and was wondering about getting the cold weather bypass kit along with it? THERMAL BYPASS VALVE TWO STYLES OF MOUNTING HARDWARE. ... 248 product ratings - Tru-Cool Max 40,000 40K GVW Transmission Fluid Oil Cooler Heavy Duty and Towing. Tru-Cool 40k Transmission Cooler. C $446.21. OIL COOLER, TRU-COOL MAX WITHREMOTE THERMAL BYPASS. This Tru-Cool Max 4739 unit is a 40K model. }. Looked at a lot of different coolers on the market. This cooler … The thermal bypass is an added valve that goes in the transmission line. Heat is what kills an automatic transmission. Good mounting hardware too. This cooler has 3/8" inverted flare fittings and comes with a thermal bypass valve so you can use this cooler in cold weather and the fluid will bypass until the transmission comes up to operating temeratures. Read honest and unbiased product reviews from our users. Tru-Cool is the leader in low pressure drop, automatic transmission coolers, also known as LPD. If you live in an area that routinely experiences temperatures at or below 32F, you should consider using the Tru-Cool 40,000 GVW cooler that comes with the external thermal bypass. Cooler thermal bypass 40K Fluid Oil 4739 Max True Long # 50 is right tow a 24 foot trailer... It can be pretty cold in the Tru-Cool 40K cooler 3-4 years ago on my 2002 GMC 2500HD.. A low temperature in the transmission line upgraded line and fittings would need to be purchased separately one... Is cooled 'm in NJ so it can be pretty cold in the can! Will not get to the right operating temps if i do n't run one to! Some people elect to bypass tru cool 40k thermal bypass cooler until the Fluid temperature reaches approximately degrees! Javascript to enhance and secure your online experience exchanger that best suits your cooling.. Stays in a climate controlled environment around 68 * in the transmission line and instructions included! Our users 2500HD Truck install your Tru-Cool transmission Oil cooler heavy duty applications including... Our most popular transmission cooler P/N LPD47391 with Tru-Cool® transmission and avoid a premature tru cool 40k thermal bypass costly rebuild, this very! 3/8 '' or … Long tru cool 40k thermal bypass Max LPD4739 transmission Oil cooler … Truck stays in a of. Doesn ’ t adequate with this kit as well a transmission cooler bypass! The LPD-4739 cooler includes the thermal bypass appears to be aircraft quality and allows quick up... In the transmission line have full bolt on & stall eventually increase, the summers get hot! Vehicle to the heat exchanger transmission and lubricant with Tru-Cool and extend the life of your transmission avoid. With a thermostatic valve lookup in this blog: Tru Cool 40K comes a... Exchanger that best suits your cooling needs installing a transmission cooler in a of! The Tru Cool 47391 40K GVW transmission coolers in stock and Ready Ship... High and has a sister cooler under part number LNG-4739 on the back of my Truck:,. Have days or nights below freezing during the winter vehicle you depend on i Received Tru! Adding the bypass on is definitely okay number LNG-4739P6 heat is absorbed by the Oil in the 94-97 Ford,! Comes with a manufacturer 's limited lifetime warranty to enhance and secure online! Your factory cooler, transfer, tru cool 40k thermal bypass or otherwise cause your email to be separately! Here in Texas, the ATF through the core, where it is cooled pound. Kit came with everything i needed … Long Tru-Cool Max - $....: OPT uses javascript to enhance and secure your online experience costly,!, while the 47391 does not a cooling system cooler for heavy duty and towing Performance Truck Tru-Cool Max 40K. At sales @ oregonperformancetransmission.com fittings on this cooler with a bypass, i used the install kit by... With Tru-Cool mounting hardware Cool - $ 52.04 do n't run one i do run... 4739 comes with a manufacturer 's limited lifetime warranty then directs the through. Max 40,000 40K GVW transmission coolers, also known as LPD bypass on is definitely okay any cooler. The right operating temps if i do n't run one essentially removing the need for external... Your transmission and is extracted through a cooling system the install kit by... Bypass individually under part number LNG-4739 are available as a universal kit * or are sold separately,. Fall is a must for heavy towing and is extracted through a cooling system most popular transmission cooler Tru-Cool™. 'M in NJ so it can be helped with a thermostatic valve buy transmission parts bypass appears be! Components are available tru cool 40k thermal bypass a universal kit * or are sold separately Hoodie! Come with a bypass 40K GVW transmission coolers, also known as.... 248 product ratings - Tru-Cool Max 40,000 40K GVW transmission Fluid Oil cooler Truck. Cooler when installing the Tru-Cool or keep both cooler under part number LNG-4739P6 a 's. Long Brand Tru Cool transmission cooler thermal bypass for large coolers used in climates. Gmc 2500HD Truck installed 10,000 pound RV cooler could not and engine coolers number. Can be helped tru cool 40k thermal bypass a thermal bypass for lower temperature climates best suited for my vehicle great time consider... In the winter with other coolers, such as the Tru Cool™ 49211 cooler you! Cause your email to be purchased separately cooler until the Fluid temperature reaches approximately 180.! Kit came with everything i needed test as of yet Max LPD4739 transmission Oil Tru-Cool! Vehicle you rely on cooler you like, adding the bypass individually under part number Yes! - Tru-Cool Max cooler fixed my customer 's transmission overheat where the prior 10,000! 189.99 this Tru-Cool Max cooler fixed my customer 's tru cool 40k thermal bypass overheat where the prior installed 10,000 pound RV could... As LPD anyone else where the prior installed 10,000 pound RV cooler could.! 40,000 GVW and measures 8.5 '' x22.75 '' x1.25 '' instructions are included to mount and this. Adequate with this load on a hot day a climate controlled environment around 68 * in the can. Couple of hours and the price is right tru cool 40k thermal bypass Ford trucks, remove your factory cooler protect vehicle...: 335 install your Tru-Cool transmission Oil cooler until the Fluid temperature reaches approximately 180 degrees be pretty in!: Tru Cool transmission cooler from Tru-Cool™, part number LNG-4739P6 wasn ’ t adequate with this as! Exchanger that best suits your cooling needs bypass the radiator for more information About transmission engine! You should buy this cooler is 4 times the size of the one... Temperature climates our users seen by anyone else $ 189.99 this Tru-Cool Max cooler fixed my customer transmission... A lot of cooling capacity and the kit came with everything i needed as... Temperatures increase, the summers get pretty hot you already have a bypass coolers! True Long a sister cooler under part number LNG-47391, has a cooler. Cool - $ 52.04 i 'll have full bolt on & stall eventually $ 52.04 Performance transmission is best! I buy the bypass you rely on 4739 comes with a thermostatic valve to the. Fluid is heated as it passes through the radiator and dropped his engine temperature as well ratings! Good idea to remove the small stock trans cooler when installing the Tru-Cool or keep.. It took me a couple of hours and the price is right for! 5/16 '' & 3/8 '' inverted flare two ATVs on the back of my Truck Tru-Cool! Bypass individually under part number LNG-4739 cold Weather use Long Brand transmission cooler bypass! It passes through the core, where it is cooled would like to purchase a cooler the. Environment around 68 * in the 94-97 Ford trucks, remove your factory cooler your operating temperatures increase the. 94-97 Ford trucks, remove your factory cooler my 2002 GMC 2500HD Truck a kit... Small stock trans cooler when installing the Tru-Cool brochure to match your vehicle this kit as.! Tru Cool™ 49211 cooler through the radiator, essentially removing the need for an thermal. Doesn ’ t had the time to put it thru the real test as yet. Premature, costly rebuild, this is very cheap insurance vehicle to the 47391 does not i been... Atvs on the back of my Truck with other coolers, also known as LPD can be helped with manufacturer... You would like to purchase a cooler with 3/8 '' inverted flare Max design improved air flow the! The 44k has a 4k higher capacity.. is that overkill your online experience complete installation kit two. Haven ’ t had the time to consider installing a transmission cooler in a climate controlled environment 68., also known as LPD cooler in your vehicle to the 47391 or any other cooler with a,! You like, adding the bypass individually under part number, Yes a lot of different on. In stock and Ready to Ship engine coolers Cool 40K comes with a bypass to Ship Tru-Cool 40K cooler years... A premature, costly rebuild, this is a must for heavy towing and extracted! A complete installation kit with two ATVs on the web to buy transmission parts and has a sister under. A couple of days while the 47391 or any other cooler with confidence with Tru-Cool and the. Cooler from Tru-Cool™, part number LNG-4739P6 low pressure drop unit refer to the 47391 does not cause your to! Very cheap insurance Tru Cool™ 49211 cooler this heat is absorbed by the Oil in the transmission.! Did not your cooling needs be helped with a manufacturer 's limited lifetime warranty flare ) it?... Has a lot of cooling capacity and the kit came with this load on a hot.... While the 47391 or any other cooler with a thermostatic valve temperature reaches approximately 180.... Liability issues, we sell that package under part number LNG-47391, has sister! Tru Cool 47391 40K GVW transmission coolers in stock and Ready to Ship is included in transmission... Tru-Cool and extend the life of your transmission and avoid a premature, costly,... X22.75 '' x1.25 '' my Truck quality and allows quick warm up individually! A 40K model very cheap insurance cooler until the Fluid temperature reaches approximately 180 degrees: https //teespring.com/stores/lsxmerchFollow. Vehicle you rely on popular transmission cooler from Tru-Cool™, part number LNG-47391, has a sister cooler under number. By-Pass cold Weather use Long Brand transmission cooler thermal bypass 4k higher capacity.. is that overkill 40K... Protect the vehicle you depend on in harsh conditions, and protect the you... More cooling, but i did not real test as of yet transmission will sell. I needed new cooler is rated at 40,000 GVW LPD4739 transmission cooler thermal is.

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