Retired Wrencher 6,109 #1 Posted Monday at 12:05 PM There was discussion about fuel pumps in another post. And they mentioned then and now automotive make four different gasket kits to rebuild a fuel pump. My spec number is S-46 215. Could not find any information on that spec number. If anybody has done business with this parts supplier and they have old K2 41s I’d appreciate it. If they have a number for that fuel pump.. Not quite sure which one to get. Any Info would be much appreciated. Share this post Link to post Share on other sites
953 nut 62,593 #2 Posted Monday at 01:03 PM https://www.then-now-auto.com/kohler-fuel-pumps-2/ They are good people, call first so they can send you what you need. 2 Share this post Link to post Share on other sites
pfrederi 19,084 #3 Posted Monday at 01:29 PM That spec number engine came with pump # 4755904 Share this post Link to post Share on other sites
oliver2-44 11,028 #4 Posted Monday at 05:05 PM 4 hours ago, 953 nut said: https://www.then-now-auto.com/kohler-fuel-pumps-2/ They are good people, call first so they can send you what you need. I've sent them a picture of my pump to be sure I get the right one. Share this post Link to post Share on other sites
Retired Wrencher 6,109 #5 Posted Monday at 05:09 PM 4 hours ago, 953 nut said: https://www.then-now-auto.com/kohler-fuel-pumps-2/ They are good people, call first so they can send you what you need. Ok thanks. Share this post Link to post Share on other sites
Retired Wrencher 6,109 #6 Posted Monday at 05:11 PM 4 minutes ago, oliver2-44 said: I've sent them a picture of my pump to be sure I get the right one. The only this invisible is the outside. I know it started leaking. I bought some rebuilt kits from I saved tractors and the one that I put in the pump that is running the 1056 it leaks. So something‘s not right there. I’ve done a bunch of fuel pumps so not sure but thank you for the information and I will definitely do that. Share this post Link to post Share on other sites
953 nut 62,593 #7 Posted yesterday at 01:01 AM It is best to flatten the surfaces prior to assembly. When the diaphragm is in stalled it must be screeched by holding tension on the arm before tightening the four screws. 1 Share this post Link to post Share on other sites
Retired Wrencher 6,109 #8 Posted yesterday at 12:01 PM (edited) 11 hours ago, 953 nut said: It is best to flatten the surfaces prior to assembly. When the diaphragm is in stalled it must be screeched by holding tension on the arm before tightening the four screws. I believe I did that Richard. But thanks for the reply. Edited yesterday at 12:02 PM by Retired Wrencher 1 Share this post Link to post Share on other sites
sqrlgtr 1,135 #9 Posted 16 hours ago (edited) On 11/24/2025 at 7:05 AM, Retired Wrencher said: There was discussion about fuel pumps in another post. And they mentioned then and now automotive make four different gasket kits to rebuild a fuel pump. My spec number is S-46 215. Could not find any information on that spec number. If anybody has done business with this parts supplier and they have old K2 41s I’d appreciate it. If they have a number for that fuel pump.. Not quite sure which one to get. Any Info would be much appreciated. @pfrederi may have you covered BUT, I just rebuilt two one for an 857 k181 and one for 701 with k161. I tried to figure out which kits I needed before ordering but I had to take them apart before I could tell which kit I needed to order. They both looked the same from the outside but the k181 was pulse/vacuum type while the k161 had the Kohler type rod on the diaphragm. Sure glad I took them apart before ordering because I sure thought they were both the same by their outward appearance. The Then and Now kits are very good quality. BTW I couldn't believe how much junk was in the pumps when I tore them apart. No wonder I couldnt keep the carbs cleaned out . Edited 16 hours ago by sqrlgtr 1 Share this post Link to post Share on other sites
Retired Wrencher 6,109 #10 Posted 5 hours ago 10 hours ago, sqrlgtr said: @pfrederi may have you covered BUT, I just rebuilt two one for an 857 k181 and one for 701 with k161. I tried to figure out which kits I needed before ordering but I had to take them apart before I could tell which kit I needed to order. They both looked the same from the outside but the k181 was pulse/vacuum type while the k161 had the Kohler type rod on the diaphragm. Sure glad I took them apart before ordering because I sure thought they were both the same by their outward appearance. The Then and Now kits are very good quality. BTW I couldn't believe how much junk was in the pumps when I tore them apart. No wonder I couldnt keep the carbs cleaned out . From what I understand the early 60s like 64 65 had those vacuum pumps. Not 100% sure. Some people like them I personally did not. I have an 856 I did not like that vacuum pump that had on it so I opted to go electric fuel pump that was before I knew about then and now so I saved that page and I will be giving them a call. 2 Share this post Link to post Share on other sites
sqrlgtr 1,135 #11 Posted 3 hours ago I couldn't tell any difference between the two after rebuilding, both would squirt fuel across shop floor and onto the wall. Share this post Link to post Share on other sites
