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International 4800 Fuel Injector Sleeves

International 4800 Fuel injector sleeves

Fuel injector sleeves for your International 4800 start at $10.95, with 2 options in stock from Standard Ignition. A fuel injector sleeve seals the injector bore in the cylinder head, preventing combustion gases and coolant from leaking past the injector. When the sleeve corrodes or fails, you risk misfires, coolant loss, and serious engine damage if left unaddressed.

Signs your International 4800 needs a fuel injector sleeve replacement

  • White or sweet-smelling exhaust smoke indicating coolant entering the combustion chamber through a failed sleeve seal
  • Unexplained coolant loss with no visible external leak — coolant is being burned internally past the deteriorated sleeve
  • Rough idle or persistent misfire on one or more cylinders caused by combustion gas escaping around a leaking sleeve
  • Visible coolant or carbon fouling around the base of one or more fuel injectors when inspecting the valve cover area
  • Hard start or extended cranking, especially when the engine is cold, due to lost compression or injector seating issues
  • Fuel odor in coolant or oily contamination in the coolant reservoir, signaling cross-contamination through a compromised sleeve

Which fuel injector sleeve should you buy for your International 4800?

The most important decision is material and fit: sleeves come in brass, stainless steel, and OEM-style coated steel, each offering different resistance to the heat cycling and corrosion that destroys the original. You also need to confirm whether your International 4800 uses a pressed-in or thread-in sleeve design, as these are not interchangeable. Matching the sleeve to your specific engine is critical — using an undersized or incompatible sleeve will not seal properly.

OEM-spec coated steel
Best for
Straightforward like-for-like replacement on a well-maintained engine
What you get
Direct-fit dimensions, factory-matched sealing surface, easy installation with correct tool
Brass sleeve
Best for
Engines with moderate corrosion or prior coolant contamination in the bore
What you get
Softer material that seats easily and resists galvanic corrosion, widely used in diesel and high-temp applications
Stainless steel sleeve
Best for
High-mileage or heavily corroded bores, or extreme-duty and towing use
What you get
Maximum corrosion and heat resistance, longest service life, may require more preparation of the bore
Sleeve and seal kit
Best for
Complete repair with one purchase, especially if O-rings or copper washers are also worn
What you get
Sleeve plus all associated seals and washers for a full injector bore restoration in one box

Fuel injector sleeves brands we stock for your International 4800

Standard Ignition
2 options · from $10.95

Replacing fuel injector sleeves on a International 4800

Advanced⏱ 3–6 hoursFuel injector sleeve puller/extractor setSleeve installation driver toolTorque wrenchCoolant system flush equipmentPenetrating oil and wire brush for bore preparation

Replacing fuel injector sleeves requires removing the fuel injectors, extracting each damaged sleeve without scoring the head bore, cleaning and inspecting the bore, then pressing or threading the new sleeve in fully square and seated. All associated O-rings, copper sealing washers, and injector seals should be replaced at the same time. After reassembly, the cooling system must be properly bled and refilled before starting the engine.

Frequently asked questions

How much does it cost to replace fuel injector sleeves on a International 4800?
Parts start at $10.95 per sleeve. DIY total cost depends on how many sleeves need replacement and whether you already own the installation and removal tools. Shop labor adds significant cost because accessing injector bores often requires removing the intake manifold or valve cover, making this a labor-intensive repair at a dealership or independent shop.
Can I drive my International 4800 with a leaking fuel injector sleeve?
You should not. A leaking injector sleeve allows combustion gases into the coolant system or coolant into the cylinder, both of which escalate quickly. Continued driving risks hydrolock, accelerated head gasket failure, or corrosion damage to the cylinder head bore itself — turning a sleeve replacement into a much more expensive repair.
How long do fuel injector sleeves last on a International 4800?
Sleeve lifespan varies widely. On well-maintained engines with clean coolant, original sleeves can last the life of the engine. Neglected coolant, hard water mineral deposits, and repeated heat cycling accelerate corrosion. Engines with a history of overheating or coolant contamination are at significantly higher risk of premature sleeve failure.
Do I need a special tool to replace fuel injector sleeves on a International 4800?
Yes. Proper installation requires a sleeve puller or extractor to remove the old sleeve without damaging the head, and a driver or installation tool to press or seat the new sleeve squarely. Using improvised tools risks damaging the bore. Many sleeve kits are sold with the required installation tool included or available as a bundle.
Should I replace all fuel injector sleeves at once on my International 4800?
It is strongly recommended. If one sleeve has corroded or failed, the remaining sleeves are typically the same age and exposed to the same conditions. Replacing all sleeves during the same repair eliminates the need to disassemble the engine again shortly after, and the incremental parts cost is low compared to the labor involved in a second visit.
What causes fuel injector sleeves to fail on a International 4800?
The primary cause is electrochemical corrosion driven by degraded coolant. When coolant additives break down, the coolant becomes acidic and attacks the sleeve material from the outside. Overheating events, using tap water instead of distilled water in the cooling system, and extended coolant change intervals all accelerate the corrosion process that eventually causes sleeve failure.

Shop fuel injector sleeves by year for the International 4800

200320022000199919981995

More parts for your International 4800

Accessory Drive Belt PulleyAccessory Drive Belt Tensioner AssemblyFuel Injector Seal KitFuel Injection HarnessMulti-Purpose Electrical ConnectorHVAC Heater HoseWiper Blade SetHVAC Harness Connector

Fuel injector sleeves for other International models

International 3900FCInternational 3000FEInternational 2554International 4300International 4900International 4400LP