2803979 Insert-Valve Fits Caterpillar Models
2803979 Insert-Valve Fits Caterpillar Models
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One New Aftermarket Replacement Intake Valve Seat Insert for Caterpillar (Cat) Engines
This aftermarket replacement intake valve seat insert (standard size) is a precision cylinder head component for Caterpillar (Cat) heavy-duty diesel engines. The valve seat insert presses into the cylinder head to provide a sealing surface for the intake valve, maintaining compression and engine efficiency. Important: Must be used with Caterpillar valve 2365605. If replaced, ALL intake seats and intake valves within the engine must be replaced at the same time -- do not mix former and current intake valve and seat designs within the same engine.
Specifications
- Type: Intake Valve Seat Insert, Standard (STD)
- Outer Diameter: 2.75 in (69.85 mm)
- Height/Thickness: 0.4 in (10.16 mm)
- Weight: 0.07 lbs (0.03 kg)
Compatible Models
Caterpillar (Cat) Engines: 3406E, C15, C16, C18, C27, C32, 3456
Replaces Part Number(s):
2803979, 280-3979
Aftermarket Interchange Numbers
PAI 391850, 30-1891E-2, SB1891E-2
New aftermarket replacement part - not remanufactured, not used.
