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International 3400 Turbocharger Gasket Kits

International 3400 Turbocharger gasket kits

Starting at low prices, AutoBuffy stocks multiple turbocharger gasket kits from top OE-quality brands for the International 3400. These kits seal the joints between the turbo, exhaust manifold, oil lines, and charge pipes, containing extreme heat and pressure. When they fail, boost leaks and oil loss follow quickly, causing power loss, smoking, and potential turbo damage.

Signs your International 3400 needs a new turbocharger gasket kit

  • Visible white or blue smoke from the engine bay or exhaust, indicating oil or boost gas escaping a failed seal
  • Noticeable drop in boost pressure or throttle response, especially under hard acceleration
  • Hissing or whooshing noise from the turbo area caused by compressed air leaking past a cracked intake or outlet gasket
  • Oil residue or wet staining around the turbo oil feed or drain line fittings
  • Check engine light with boost-related codes such as overboost, underboost, or intake pressure sensor faults
  • Burning oil smell from the engine bay without an obvious external oil leak, pointing to a failing turbo oil seal gasket

Which turbocharger gasket kit should you buy for your International 3400?

Turbocharger gasket kits vary by what they include and what materials they use to handle heat. The right kit depends on whether you need a basic OE-replacement set, a full-coverage kit including oil and coolant line gaskets, or a performance-grade option for a modified or high-output engine. Always confirm the kit covers all the joints specific to your turbo configuration before ordering.

OE-Replacement Kit
Best for
Daily drivers, stock turbo systems, straightforward repairs
What you get
Factory-spec gaskets matching original material grades; covers exhaust inlet and outlet flanges
Full Comprehensive Kit
Best for
High-mileage vehicles or complete turbo removal and reinstall jobs
What you get
All gaskets plus oil feed, oil drain, and coolant line seals in one box; eliminates multiple part orders
Performance / Multi-Layer Steel (MLS) Kit
Best for
Modified engines, upgraded turbos, or vehicles with elevated boost targets
What you get
Multi-layer steel exhaust gaskets with higher heat and pressure ratings; silicone-coated oil and coolant seals
OEM-Brand / Genuine Kit
Best for
Owners who want exact factory fit with no compatibility guesswork
What you get
Gaskets sourced from or matching the original equipment supplier; typically highest per-unit cost but guaranteed fitment

Replacing a turbocharger gasket kit on a International 3400

Advanced2–4 hoursSocket and ratchet set with extensionsWrench set including crow-foot fittings for oil line fittingsTorque wrenchWire brush and gasket scraper for flange surface prepHigh-temperature anti-seize compound

Turbocharger gasket replacement requires disconnecting oil feed and drain lines, coolant lines if present, the exhaust manifold flange, and the charge pipe connections before the turbo can be removed and all mating surfaces cleaned. All flange faces must be free of old gasket material and corrosion before the new kit is installed. Fasteners should be torqued in the sequence specified by the kit manufacturer using a calibrated torque wrench, and the oil system should be primed before first start to protect the turbo bearings.

Frequently asked questions

How much does it cost to replace turbocharger gasket kits on a International 3400?
Parts start at low prices for a International 3400 turbocharger gasket kit. DIY total cost is typically just the kit price plus basic supplies. Shop labor for a full turbo-off gasket replacement commonly runs one to three hours, so professional repair adds significant labor cost on top of the parts.
Can I replace just one gasket, or do I need the full kit for my International 3400?
Replacing the full kit is almost always the better choice. Once the turbo is removed for access, labor cost is already spent. Individual gaskets on adjacent joints are exposed to the same heat cycles and age together, so replacing all of them at once prevents a repeat job weeks later.
How long do turbocharger gaskets last on a International 3400?
Turbocharger gaskets generally last many years under normal driving, but heat cycling, oil contamination, and coolant exposure degrade them over time. High-mileage vehicles, those run hard regularly, or any engine that has overheated are at significantly higher risk of gasket failure regardless of age.
Is it safe to drive a International 3400 with a leaking turbocharger gasket?
No. A leaking turbo gasket should be addressed promptly. An exhaust leak near the turbo creates a fire risk and causes oxygen sensor errors. A boost leak causes the engine to run lean under load. An oil seal leak can starve the turbo of lubrication, leading to bearing failure and expensive turbo replacement.
Do I need to use a gasket sealant with a turbocharger gasket kit on a International 3400?
Most modern turbo gasket kits are designed to seal without additional sealant on the mating surfaces. Using the wrong sealant near turbo oil passages can cause blockages. Check the kit manufacturer's instructions — some exhaust flange gaskets benefit from a thin coat of high-temperature copper sealant, but most seals install dry.
What causes turbocharger gaskets to fail on a International 3400?
The primary causes are extreme heat cycling, oil contamination from a worn turbo seal, improper torque during a previous installation, and engine overheating events. Carbon buildup on exhaust flanges can also prevent gaskets from seating evenly, creating high-pressure leak points even with a new gasket installed.

More parts for your International 3400

Turbocharger gasket kits for other International models