What is a injector sleeve?

The diesel injector sleeve (a.k.a. fuel injector sleeve) seals and protects the injector in the cylinder head, separating the fuel system from the cooling circuit.

How many injectors are in a Cummins ISX?

six injectors
Description. Shop Cummins ISX Injectors at Internet Diesel! Comes with six injectors at $265.95 per injector with a refundable core charge.

Do you have to drain coolant to replace injectors?

Registered. Yes, drain it!

What seals the injector cooling sleeve?

The groove 8 is adapted to hold a sealing ring 30 that will provide an upper seal between the injector sleeve and the coolant channel in the cylinder head.

How does diesel fuel get in the radiator?

The fuel pressure from the injector rail cast into the head (small hole to the left of the arrow) is far greater than the pressure in the cooling system. When a crack occurs, diesel fuel easily passes into the coolant.

Why do injector cups crack?

Now that we have it apart, it is apparent that the injector cup has a long crack in it, probably caused by heat and materials, heating up and cooling down. It will cause a stress fracture in the injector cup.

Should you replace injector cups when you replace injectors?

If the injector cups do not pull out when replacing injectors you can just leave them in. You will need to make sure you clean the HP fuel lines VERY well before you reinstall them.

How much does a Cummins ISX15 QSX15 cost?

Cummins ISX15/QSX15 SOHC Injector Sleeve Tooling Kit Cummins ISX / QSX 15 Single Overhead Cam Injector Sleeve Installation and Removal Kit [450-6157-00] – $1,593.48 : Irontite Products, The Professionals Choice! Featured Products All Products “EA” LUBE – 8 OZ.

Why buy OE injector sleeves?

Plus, you’ll get an injector sleeve made to OE specifications with equal or better quality compared to the OE at a much lower price. Each injector sleeve is also made of stainless steel for long lasting strength and durability. It doesn’t get better than that!

What material is the injector sleeve made of?

Each injector sleeve is also made of stainless steel for long lasting strength and durability. It doesn’t get better than that! This engine requires a quantity of 6. Made of Stainless Steel and can be replace with the MCB7141 copper alloy injector repair sleeve for engine models prior to 2010 HPCR.