Shop the Highest Quality Fuel System parts for your Caterpillar 3126 engine. Talk to Certified Mechanics, Save 30%-50% off OEM Prices, Delivery in 2-Days or Less to most areas. The Caterpillar 3126 HEUI Engine introduces a new era of the diesel engine in the bus industry using the medium duty diesel engine. The basic engine takes advantage of the 3116's best features and years of experience and combines this with an electronically controlled fuel system, larger displacement, and other new features to produce the 3126. Jul 02, 2016 · is the fuel system from fuel tank to engine, which a temp bypass was made. Did you check fuel pressure going into the engine fuel rail 60 to 65 psi high Idle. Being fuel transfer pump rebuilt you should but needs to be checked ( low fuel pressure will cause low power ). Next place to look real close at is the Need Caterpillar 3126 Fuel Gear Pump Parts? Check out 8 Caterpillar 3126 Fuel Gear Pump Parts for sale. We help you find the heavy duty truck parts that you need. Jul 09, 2013 · The Caterpiller 3116 has a mechanical fuel pump located on the top of the governor near the front left of engine. There is no in-tank pump on the m109a4's and I have to assume this applies to the m35a3's as well, at least thats what the hand drawn fuel system diagram that i got from a cat dealer shows.

I posted a fuel filter question in the Cat section of another forum. A member of that forum responded, by saying that NO priming is needed for the 3126 or C7 engines. This is the first I have ever heard of this. Cat 3126 They replaced fuel filters, batteries, changed eng. Oil, heui pump before finding problem. Got someone with Real laptop not a hand held code reader. Bad high pressure oil sensor, sending 300 pressure to ECM . Plugged off oil line from heui pump with gage pump developing 6000 pressure, replaced sensor working fine. Diesel Parts Direct offers a large selection of lift pumps for Caterpillar Engines ready for immediate shipment. Please use any of our quick links below to find the fuel pump for your engine. If you do not see the part you need, just use our quote request form or call us at 888.687.0539. Our knowledgeable staff will promptly answer your request. Nov 16, 2014 · If there's signs of external fuel leakage at any of these quick connects, replace it. If it allows fuel to seep out, then air can be pulled in, too. Since I'm not a CAT expert, I don't know if this is true for the 3126 or not, but I've seen more than one 3406 stall out because the square seal ring that comes with some fuel filters was not put ... I have a 2002 National RV Tradewinds with a 3126 CAT (330 hp). I recently changed the fuel water separator and have not been able to prime the fuel system. I filled the filter with fuel and the advise of an RV repair shop pressurized the fuel tank to purge the air from the fuel line. Replaced the line on the filter but still won't start. Caterpillar Genuine OEM Hand Fuel Primer Pump with gasket 1052508 3176 3208 3126 3406 ... Aftermarket Replacement for CAT 3116 3126 C7 Engine Oil Cooler 2674743 ...

Shop Caterpillar 3126 Fuel System Parts at Highway and Heavy Parts. Savings of 30%-50% off OEM Prices, OEM Quality, Delivery in 2-days or less to most areas.

May 05, 2012 · Hello, I have a bad oil leak on my 2003 cat 3126 between the oil actuating pump and the fuel pump. How do i get into check and replace seals or gaskets? cant seem to find any good photos of this engin … read more

137-5541 Fuel hand Primer Pump CAT 3116 3126 3208 C7 C9 C15 C10 C12 C11 3304 C18 ... 0R-4968 FUEL TRANSFER PUMP CAT Caterpillar 0R4968 3116 3126. ONE REPLACEMENT 0R ... Aug 15, 2014 · In on-highway applications the 3116 is a mechanical rackbar (MUI) controlled fuel system and the 3126 is a HEUI electronically controlled fuel system. There are MUI 3126's but they are found in industrial and OEM Cat equipment applications. I can go very in-depth on these as they came out and become fased out during my tenure as a Cat mechanic.

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Caterpillar Genuine OEM Hand Fuel Primer Pump with gasket 1052508 3176 3208 3126 3406 ... Aftermarket Replacement for CAT 3116 3126 C7 Engine Oil Cooler 2674743 ... Nov 27, 2012 · cat 3126, Oil press. drops off from 50 psi. to 17 psi as it warms up what is the Cat specs. for the oil press. in a - Cars & Trucks question ... Pump replacement is ...

Cat 3126 fuel pump replacement

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May 05, 2012 · Hello, I have a bad oil leak on my 2003 cat 3126 between the oil actuating pump and the fuel pump. How do i get into check and replace seals or gaskets? cant seem to find any good photos of this engin … read more Sep 06, 2016 · If a Cat Diesel Engine doesn't have good fuel pressure it can cause a lot of performance related issues. This video goes over the proper component identification and troubleshooting for most Cat ...