Nicholas Posted December 10, 2018 Share Posted December 10, 2018 I have an 86 and I’m changing out the fuel pump and possibly the sender assembly as well. I am wondering what years are interchangeable? Link to comment Share on other sites More sharing options...
Big Dan Posted December 10, 2018 Share Posted December 10, 2018 I don't know the part numbers off of my head, for pumps, so hopefully someone else can assist.As far as the sender, new ones are non existant for the 2.5L (junkyard trip will he needed). There has been a NOS 2.8L v6 sender floating around on ebay.86-90 2.5L senders are compatible. 84-86 2.8L senders are compatible. What engine do you have? Sent from my Pixel 2 XL using Tapatalk Link to comment Share on other sites More sharing options...
Green Mesa XJ Posted December 10, 2018 Share Posted December 10, 2018 1986-1990 is essentially the same sender signal and plugs. Now the 2.8 does not have the wiring for fuel pump however the plug case is still three terminal just the 2.8 lacks the power for the fuel pump.91 up Jeep’s the ohms for full and empty are reversed, so empty read like full and so on. Sent from my iPhone using Tapatalk Pro Link to comment Share on other sites More sharing options...
AZJeff Posted December 17, 2018 Share Posted December 17, 2018 OP---If you need one, I have a New Old Stock sender/pickup tube assembly I would sell to you have a very reasonable price. Just say the word. Link to comment Share on other sites More sharing options...
bubbanbrenda Posted December 24, 2018 Share Posted December 24, 2018 On 12/17/2018 at 12:21 PM, AZJeff said: OP---If you need one, I have a New Old Stock sender/pickup tube assembly I would sell to you have a very reasonable price. Just say the word. I wish I would have seen this before I "built" one. And by "built" I mean using the old assembly work with a new sending unit and pump. Link to comment Share on other sites More sharing options...
Big Dan Posted December 24, 2018 Share Posted December 24, 2018 Did you cobble one together from an XJ sender? Sent from my Pixel 2 XL using Tapatalk Link to comment Share on other sites More sharing options...
bubbanbrenda Posted December 24, 2018 Share Posted December 24, 2018 Basically yes but ebay say it fits MJ... Sorry for the double post https://www.ebay.com/itm/NEW-OUT-OF-BOX-SF8953002492-Fuel-Tank-Sending-Unit-86-87-Comanche-23-5-Gallon/183280706816?fits=Year%3A1986|Model%3AComanche|Submodel%3ACustom|Engine+-+Liter_Display%3A2.5L|Make%3AJeep|Trim%3ACustom+Standard+Cab+Pickup+2-Door|Engine%3A2.5L+150Cu.+In.+l4+GAS+OHV+Naturally+Aspirated&hash=item2aac61a500:g:GW0AAOSwDZ1bKE29:rk:11:pf:0 Link to comment Share on other sites More sharing options...
bubbanbrenda Posted December 24, 2018 Share Posted December 24, 2018 17 minutes ago, Big Dan said: Did you cobble one together from an XJ sender? Sent from my Pixel 2 XL using Tapatalk 14 minutes ago, bubbanbrenda said: Basically yes but ebay say it fits MJ... https://www.ebay.com/itm/NEW-OUT-OF-BOX-SF8953002492-Fuel-Tank-Sending-Unit-86-87-Comanche-23-5-Gallon/183280706816?fits=Year%3A1986|Model%3AComanche|Submodel%3ACustom|Engine+-+Liter_Display%3A2.5L|Make%3AJeep|Trim%3ACustom+Standard+Cab+Pickup+2-Door|Engine%3A2.5L+150Cu.+In.+l4+GAS+OHV+Naturally+Aspirated&hash=item2aac61a500:g:GW0AAOSwDZ1bKE29:rk:11:pf:0 Link to comment Share on other sites More sharing options...
bubbanbrenda Posted December 24, 2018 Share Posted December 24, 2018 On 12/9/2018 at 10:17 PM, Nicholas said: I have an 86 and I’m changing out the fuel pump and possibly the sender assembly as well. I am wondering what years are interchangeable? I'm working on a '86 too,(2.5) I used a "Carter P90034" pump absolutely everything included in the box including the little rubber insulator and bracket to secure it to the original stand. For the sending unit I used one of these....https://www.ebay.com/itm/NEW-OUT-OF-BOX-SF8953002492-Fuel-Tank-Sending-Unit-86-87-Comanche-23-5-Gallon/183280706816?fits=Year%3A1986|Model%3AComanche|Submodel%3ACustom|Engine+-+Liter_Display%3A2.5L|Make%3AJeep|Trim%3ACustom+Standard+Cab+Pickup+2-Door|Engine%3A2.5L+150Cu.+In.+l4+GAS+OHV+Naturally+Aspirated&hash=item2aac61a500:g:GW0AAOSwDZ1bKE29:rk:11:pf:0 I took the sending unit off the new stand and put it on the original stand it's an exact match as far as mounting tabs are positioned. I used a little basic creative engineering to get it switched. I'll post a couple of pictures of how I did it if anyone is interested after the holiday, it's about to get busy around here. Link to comment Share on other sites More sharing options...
Big Dan Posted December 24, 2018 Share Posted December 24, 2018 Please doSent from my Pixel 2 XL using Tapatalk Link to comment Share on other sites More sharing options...
bubbanbrenda Posted December 24, 2018 Share Posted December 24, 2018 Will do... folks are starting to show up here it'll be later tonight or tomorrow afternoon depending on how long everyone stays. 5 minutes ago, Big Dan said: Please do Sent from my Pixel 2 XL using Tapatalk Link to comment Share on other sites More sharing options...
bubbanbrenda Posted December 25, 2018 Share Posted December 25, 2018 I started with the eBay sending unit.I bent the small metal tab between plastic lock tabs up 90°. Then squeezed the plastic plastic lock tabs with needle nose pliers and wiggled the plastic housing a little bit and it slid off the float arm. Then I GENTLY bent the round end of the arm that holds the float to get the float off of the arm. Then I slid the arm out of the eBay stand working towards the end of the arm holding the float. Then I basically reversed the whole process in order with the exception of removing the float. I completely reassembled the sending unit making sure the float arm is between the high and low stops. Then I put the float back in the round end of the arm and GENTLY squeezed the loop to secure the float. In hindsight removing the float first will be a lot easier than trying to hold the sending unit and unattached arm and trying to gently bend the arm without distorting it. Also on reassembly make absolutely sure you have the float arm between the stops before you bend the little metal tab back down to secure the plastic lock tabs or you will be doing it twice. The last statement is the voice of experience. Link to comment Share on other sites More sharing options...
murdamanche Posted December 27, 2018 Share Posted December 27, 2018 i spoke with Airtex and they make this, i just ordered a new one https://www.amazon.com/Airtex-E7091S-Fuel-Sender-Assembly/dp/B000C1IOIW Link to comment Share on other sites More sharing options...
bubbanbrenda Posted December 28, 2018 Share Posted December 28, 2018 22 hours ago, murdamanche said: i spoke with Airtex and they make this, i just ordered a new one https://www.amazon.com/Airtex-E7091S-Fuel-Sender-Assembly/dp/B000C1IOIW Please keep us posted about how it goes. If that works it will make life a lot easier for A bunch of us. Link to comment Share on other sites More sharing options...
Big Dan Posted December 28, 2018 Share Posted December 28, 2018 With that being an XJ sender, it should work if you don't have the baffle in the tank. You just won't be able to utilize all of the fuel in your tank as the sender won't reach to the bottom. Sent from my Pixel 2 XL using Tapatalk Link to comment Share on other sites More sharing options...
murdamanche Posted December 28, 2018 Share Posted December 28, 2018 With that being an XJ sender, it should work if you don't have the baffle in the tank. You just won't be able to utilize all of the fuel in your tank as the sender won't reach to the bottom. Sent from my Pixel 2 XL using Tapatalk I took my old sender out and of the truck and it was the same part number, they used to offer with the pump and without. Now it’s only with so it has to work Link to comment Share on other sites More sharing options...
bubbanbrenda Posted December 29, 2018 Share Posted December 29, 2018 13 hours ago, Big Dan said: With that being an XJ sender, it should work if you don't have the baffle in the tank. You just won't be able to utilize all of the fuel in your tank as the sender won't reach to the bottom. Sent from my Pixel 2 XL using Tapatalk 10 hours ago, murdamanche said: I took my old sender out and of the truck and it was the same part number, they used to offer with the pump and without. Now it’s only with so it has to work That is what several people told me both here and in my local parts store, that's why I chose to build my own. The actual sending units are the same, it's the bends in the arm and the shape of the float on the end of the arm will hit the baffle in the Comanche tank. Murdamanche will be able to use all the fuel in the tank but the float is going to hit the baffle and stop it from reading below about 1/4 tank on the gauge. As long as he is aware that his gauge will not show empty and refuels when it his a 1/4 tank he'll be ok. Link to comment Share on other sites More sharing options...
AAAAAutomotive Parts Guy Posted March 9, 2022 Share Posted March 9, 2022 This is an old thread, but I thought I would post up that we have the original Mopar tank senders in stock. Seems like you guys are looking hard and not finding them? Check out: https://aaaaautomotive.com/products/nos-86-jeep-comanche-fuel-tank-sending-unit-assy-23-5-gallon-tank-52003652 Link to comment Share on other sites More sharing options...
Pete M Posted March 10, 2022 Share Posted March 10, 2022 8 hours ago, AAAAAutomotive Parts Guy said: This is an old thread, but I thought I would post up that we have the original Mopar tank senders in stock. Seems like you guys are looking hard and not finding them? Check out: https://aaaaautomotive.com/products/nos-86-jeep-comanche-fuel-tank-sending-unit-assy-23-5-gallon-tank-52003652 the 86 carb senders don't have provisions for the fuel pump that most MJs need. Link to comment Share on other sites More sharing options...
dasbulliwagen Posted March 15, 2022 Share Posted March 15, 2022 Raybuck is now listing sending units with or without the pump for the MJ. Might be a place to look for one for the 2.8. It was under $100 for one without an electric pump. Link to comment Share on other sites More sharing options...
coheed Posted March 16, 2022 Share Posted March 16, 2022 On 3/9/2022 at 4:25 PM, AAAAAutomotive Parts Guy said: This is an old thread, but I thought I would post up that we have the original Mopar tank senders in stock. Seems like you guys are looking hard and not finding them? Check out: https://aaaaautomotive.com/products/nos-86-jeep-comanche-fuel-tank-sending-unit-assy-23-5-gallon-tank-52003652 Just ordered one from y'all. Installing a new tank and was gonna reuse the old one, but a NOS for $85 it's too good to pass up. Link to comment Share on other sites More sharing options...
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